<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:cdae5bd4-d79b-49ef-bc3c-64ba15e28585,g:38151e2f-9d30-4752-b4ff-9fc6507136ce-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.bakkt.com/role/Cover" xlink:type="simple" xlink:href="bakkt-20211231.xsd#Cover"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/Cover" xlink:type="extended" id="ib9af32ef30e546468bef02c8530846b3_Cover">
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_8024030c-cf5f-4b27-b146-c61d34f3d911" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentType"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentType_8024030c-cf5f-4b27-b146-c61d34f3d911" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentAnnualReport_f86e86eb-f21c-43f7-89de-b8d700edb4a0" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentAnnualReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentAnnualReport_f86e86eb-f21c-43f7-89de-b8d700edb4a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_f9bdfed9-60d8-4e3d-9093-6ef06d08dc42" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentPeriodEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentPeriodEndDate_f9bdfed9-60d8-4e3d-9093-6ef06d08dc42" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_b6d87ea9-3a3b-4833-abb2-ec6bdfca837b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_CurrentFiscalYearEndDate_b6d87ea9-3a3b-4833-abb2-ec6bdfca837b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_7a818da5-b572-45ad-b119-6cd916d2b875" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentTransitionReport"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentTransitionReport_7a818da5-b572-45ad-b119-6cd916d2b875" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_afb4664a-28bf-4f5a-9bf9-17cd4cddc527" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFileNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityFileNumber_afb4664a-28bf-4f5a-9bf9-17cd4cddc527" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_301f7ba7-4ef9-4b12-b603-3b9d72a9516b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityRegistrantName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityRegistrantName_301f7ba7-4ef9-4b12-b603-3b9d72a9516b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_55c8ebb7-7a77-48bf-bb00-b431c53caff4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityIncorporationStateCountryCode_55c8ebb7-7a77-48bf-bb00-b431c53caff4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_7c4f9e18-9a9d-43f1-a286-4844be79a44f" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityTaxIdentificationNumber_7c4f9e18-9a9d-43f1-a286-4844be79a44f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_f38f0224-6c7d-409b-8013-1c92c774683d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityAddressAddressLine1_f38f0224-6c7d-409b-8013-1c92c774683d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2_6051082b-e670-4f38-a1f5-92798928966c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressAddressLine2"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityAddressAddressLine2_6051082b-e670-4f38-a1f5-92798928966c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_3eaa0f4e-fcd1-45ae-9549-329c26cb658b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressCityOrTown"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityAddressCityOrTown_3eaa0f4e-fcd1-45ae-9549-329c26cb658b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_815d85d3-f179-44bf-b4ea-017c15ebf1f9" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressStateOrProvince"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityAddressStateOrProvince_815d85d3-f179-44bf-b4ea-017c15ebf1f9" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_60753c8b-d47e-4bad-b8f8-d21b660c1a43" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityAddressPostalZipCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityAddressPostalZipCode_60753c8b-d47e-4bad-b8f8-d21b660c1a43" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_9ef8ca5e-176e-4225-9196-22cd59bdf822" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_CityAreaCode"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_CityAreaCode_9ef8ca5e-176e-4225-9196-22cd59bdf822" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_c2ae6f2b-d1b9-4156-b3e3-9be3eefc71e5" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LocalPhoneNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_LocalPhoneNumber_c2ae6f2b-d1b9-4156-b3e3-9be3eefc71e5" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_2b24eee7-3e70-4636-acef-1f9fdaddcd31" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_Security12bTitle"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_Security12bTitle_2b24eee7-3e70-4636-acef-1f9fdaddcd31" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_b8fb703b-d534-409e-a874-a66cc122d666" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_TradingSymbol"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_TradingSymbol_b8fb703b-d534-409e-a874-a66cc122d666" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_c6ad6d1e-7863-4196-87d7-d959ebaa64f3" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_SecurityExchangeName"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_SecurityExchangeName_c6ad6d1e-7863-4196-87d7-d959ebaa64f3" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityWellKnownSeasonedIssuer_5b61d3e5-ea5e-472a-9fbc-0bf86cc91e99" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityWellKnownSeasonedIssuer"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityWellKnownSeasonedIssuer_5b61d3e5-ea5e-472a-9fbc-0bf86cc91e99" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityVoluntaryFilers_742bfb88-6bd0-467b-b100-fbbede18261b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityVoluntaryFilers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityVoluntaryFilers_742bfb88-6bd0-467b-b100-fbbede18261b" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_1c168f42-272f-4c3a-8186-4631aa995aa5" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCurrentReportingStatus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityCurrentReportingStatus_1c168f42-272f-4c3a-8186-4631aa995aa5" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_839e3752-9da1-48cf-a788-70020a335c9e" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityInteractiveDataCurrent_839e3752-9da1-48cf-a788-70020a335c9e" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_e5a36f09-26bc-4354-814d-a19bd6888c41" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityFilerCategory"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityFilerCategory_e5a36f09-26bc-4354-814d-a19bd6888c41" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_6a50184c-59fc-41d4-b9c4-b9393fcd7d46" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntitySmallBusiness"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntitySmallBusiness_6a50184c-59fc-41d4-b9c4-b9393fcd7d46" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_e470ff64-5fe3-4e5f-9eae-c589c9d7770c" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityEmergingGrowthCompany_e470ff64-5fe3-4e5f-9eae-c589c9d7770c" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityExTransitionPeriod_e41f10a0-e93e-4763-84e8-42c84b78f5eb" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityExTransitionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityExTransitionPeriod_e41f10a0-e93e-4763-84e8-42c84b78f5eb" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_IcfrAuditorAttestationFlag_c3f0a492-85c8-41d5-928e-57a7769e9c67" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_IcfrAuditorAttestationFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_IcfrAuditorAttestationFlag_c3f0a492-85c8-41d5-928e-57a7769e9c67" xlink:type="arc" order="27"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_717fb99e-596a-48e9-b72d-3c7f81fefeb4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityShellCompany"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityShellCompany_717fb99e-596a-48e9-b72d-3c7f81fefeb4" xlink:type="arc" order="28"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityPublicFloat_ee559153-88ee-4701-8543-30fad3beade4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityPublicFloat"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityPublicFloat_ee559153-88ee-4701-8543-30fad3beade4" xlink:type="arc" order="29"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_949d455c-3da4-4063-ab49-ca41966cd548" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_949d455c-3da4-4063-ab49-ca41966cd548" xlink:type="arc" order="30"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentsIncorporatedByReferenceTextBlock_9bb36547-2abe-4347-aa99-344b9e09eef9" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentsIncorporatedByReferenceTextBlock"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentsIncorporatedByReferenceTextBlock_9bb36547-2abe-4347-aa99-344b9e09eef9" xlink:type="arc" order="31"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_d0d861b8-eb30-4aa8-8292-bd557197a5b4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_AmendmentFlag"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_AmendmentFlag_d0d861b8-eb30-4aa8-8292-bd557197a5b4" xlink:type="arc" order="32"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_e642807b-0123-45db-ab42-207175aefad6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentFiscalPeriodFocus_e642807b-0123-45db-ab42-207175aefad6" xlink:type="arc" order="33"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_3be7d741-64d5-4170-b8bf-c9b78880f098" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentFiscalYearFocus"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentFiscalYearFocus_3be7d741-64d5-4170-b8bf-c9b78880f098" xlink:type="arc" order="34"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_f8560e3e-7869-4f96-b8cc-421f590b87f4" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityCentralIndexKey"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_EntityCentralIndexKey_f8560e3e-7869-4f96-b8cc-421f590b87f4" xlink:type="arc" order="35"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable_e73b4c3f-526d-4e83-8800-19b184032eb6" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_DocumentInformationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_DocumentInformationLineItems_13d751f3-cac2-48b2-a57a-6f6d39a4652a" xlink:to="loc_dei_DocumentInformationTable_e73b4c3f-526d-4e83-8800-19b184032eb6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_f337c6be-c0c0-42a3-8f5b-2a9cdc60f01f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_DocumentInformationTable_e73b4c3f-526d-4e83-8800-19b184032eb6" xlink:to="loc_us-gaap_StatementClassOfStockAxis_f337c6be-c0c0-42a3-8f5b-2a9cdc60f01f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_f337c6be-c0c0-42a3-8f5b-2a9cdc60f01f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_f337c6be-c0c0-42a3-8f5b-2a9cdc60f01f" xlink:to="loc_us-gaap_ClassOfStockDomain_f337c6be-c0c0-42a3-8f5b-2a9cdc60f01f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_120f1fdd-aa44-47f2-8d4d-aaa32abe6567" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_f337c6be-c0c0-42a3-8f5b-2a9cdc60f01f" xlink:to="loc_us-gaap_ClassOfStockDomain_120f1fdd-aa44-47f2-8d4d-aaa32abe6567" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_1aca8e4c-43fa-48da-86fb-6c2bb7dcfeb6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_120f1fdd-aa44-47f2-8d4d-aaa32abe6567" xlink:to="loc_us-gaap_CommonClassAMember_1aca8e4c-43fa-48da-86fb-6c2bb7dcfeb6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_462d293c-229c-4ceb-97a5-196a5ea6d759" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_120f1fdd-aa44-47f2-8d4d-aaa32abe6567" xlink:to="loc_us-gaap_WarrantMember_462d293c-229c-4ceb-97a5-196a5ea6d759" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonClassVMember_3c2de5f2-a8b0-4915-8a16-b9886d713413" xlink:href="bakkt-20211231.xsd#bakkt_CommonClassVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_120f1fdd-aa44-47f2-8d4d-aaa32abe6567" xlink:to="loc_bakkt_CommonClassVMember_3c2de5f2-a8b0-4915-8a16-b9886d713413" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ConsolidatedBalanceSheets" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ConsolidatedBalanceSheets"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ConsolidatedBalanceSheets" xlink:type="extended" id="i63b5453624d34516b78027289c0055e9_ConsolidatedBalanceSheets">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_286cc787-cf6a-4ede-bd6d-3d8f88736ec7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_286cc787-cf6a-4ede-bd6d-3d8f88736ec7" xlink:to="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3767629e-f878-4979-af0c-dfb0ed794fed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3767629e-f878-4979-af0c-dfb0ed794fed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_04fe1e79-6436-4382-89d7-f762084c8e70" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_RestrictedCashCurrent_04fe1e79-6436-4382-89d7-f762084c8e70" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FundsHeldForClients_08bcf0a6-da43-40aa-b4b5-be59baebef27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FundsHeldForClients"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_FundsHeldForClients_08bcf0a6-da43-40aa-b4b5-be59baebef27" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_231210d3-92f5-4169-a07f-141d39f93705" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_231210d3-92f5-4169-a07f-141d39f93705" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_InvestmentInSharesOfAffiliateStockCurrent_76de3a79-2416-4bfc-bab9-50bdf76b8c51" xlink:href="bakkt-20211231.xsd#bakkt_InvestmentInSharesOfAffiliateStockCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_bakkt_InvestmentInSharesOfAffiliateStockCurrent_76de3a79-2416-4bfc-bab9-50bdf76b8c51" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsCurrent_bc1dc3c9-f587-4ceb-b1a0-e701d9bf62c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepositsAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_DepositsAssetsCurrent_bc1dc3c9-f587-4ceb-b1a0-e701d9bf62c2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidInsurance_1464f945-23d5-4f31-8978-f912299b28ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrepaidInsurance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_PrepaidInsurance_1464f945-23d5-4f31-8978-f912299b28ee" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_899273a8-9507-48ec-8e9a-3625ad1c79e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_OtherAssetsCurrent_899273a8-9507-48ec-8e9a-3625ad1c79e0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_a3be7896-6fbb-4031-a62c-ebc4e477bada" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_c24e446e-8b4b-4c24-9027-b0b2e3216de3" xlink:to="loc_us-gaap_AssetsCurrent_a3be7896-6fbb-4031-a62c-ebc4e477bada" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_e3b41f41-70c1-4344-8287-be74c4ba23ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_e3b41f41-70c1-4344-8287-be74c4ba23ba" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_61416b4c-6495-45cd-af9f-6d4eb25d8ae5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_Goodwill_61416b4c-6495-45cd-af9f-6d4eb25d8ae5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_c13876cf-1f5b-498f-8e92-b98782a4519f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_c13876cf-1f5b-498f-8e92-b98782a4519f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepositsAssetsNoncurrent_8da5d754-bcd4-4fb4-8b54-d6ba06cb117c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepositsAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_DepositsAssetsNoncurrent_8da5d754-bcd4-4fb4-8b54-d6ba06cb117c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_d6081c0b-8383-4a09-8723-f93b85d4e62b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_d6081c0b-8383-4a09-8723-f93b85d4e62b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_157f7e38-bf0a-4aaf-88d1-f064f9485ebe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_f1d2ed7e-4e01-4d06-b382-523f5d1fb87f" xlink:to="loc_us-gaap_Assets_157f7e38-bf0a-4aaf-88d1-f064f9485ebe" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_286cc787-cf6a-4ede-bd6d-3d8f88736ec7" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_38bc5a52-84b8-46c6-8df4-867dc503492e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_38bc5a52-84b8-46c6-8df4-867dc503492e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CustomerFundsPayableCurrent_fbb7c70e-c6ad-41c2-b70e-b857c3c57fa0" xlink:href="bakkt-20211231.xsd#bakkt_CustomerFundsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:to="loc_bakkt_CustomerFundsPayableCurrent_fbb7c70e-c6ad-41c2-b70e-b857c3c57fa0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_08e752ee-41f0-46c3-9164-a19f1c1447fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_08e752ee-41f0-46c3-9164-a19f1c1447fd" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_48bafd8f-cef3-4cdc-8d0d-211e4e9c902b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:to="loc_us-gaap_DueToRelatedPartiesCurrent_48bafd8f-cef3-4cdc-8d0d-211e4e9c902b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_5443205c-850a-4d52-b2ea-6e226bfe5950" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_5443205c-850a-4d52-b2ea-6e226bfe5950" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_1a4045a3-7da0-4c5e-b91e-36947c23901c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_74fe9b20-6628-49ba-b1e7-56d3bc894a2b" xlink:to="loc_us-gaap_LiabilitiesCurrent_1a4045a3-7da0-4c5e-b91e-36947c23901c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_f702ca07-e405-497b-82d6-8b588a303cda" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_f702ca07-e405-497b-82d6-8b588a303cda" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantLiability_25bcd754-8224-42e7-8b83-6c81ddad61a7" xlink:href="bakkt-20211231.xsd#bakkt_WarrantLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_bakkt_WarrantLiability_25bcd754-8224-42e7-8b83-6c81ddad61a7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d2c51602-7a7b-4333-b5af-7c6f913e4659" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_d2c51602-7a7b-4333-b5af-7c6f913e4659" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_a52c062c-6f87-4a24-a3c4-9b88dbda53c2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_a52c062c-6f87-4a24-a3c4-9b88dbda53c2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_59841f73-b9e8-4d32-9fb1-9c8fa898d206" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Liabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_Liabilities_59841f73-b9e8-4d32-9fb1-9c8fa898d206" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_08fd8806-06ee-4d27-afaa-5cdef56e909f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_CommitmentsAndContingencies_08fd8806-06ee-4d27-afaa-5cdef56e909f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityAbstract_0fac8980-6b96-4e9a-a62a-203b1784792c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_TemporaryEquityAbstract_0fac8980-6b96-4e9a-a62a-203b1784792c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_8ac5f6ab-89b4-4745-ad88-6ef47e3fb263" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TemporaryEquityAbstract_0fac8980-6b96-4e9a-a62a-203b1784792c" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_8ac5f6ab-89b4-4745-ad88-6ef47e3fb263" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersCapital_e4faa3f5-8854-49f2-b642-d224e6ce1764" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_MembersCapital_e4faa3f5-8854-49f2-b642-d224e6ce1764" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstanding_d6de0d7a-36ab-483a-b2de-4a32a6282763" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_WarrantsAndRightsOutstanding_d6de0d7a-36ab-483a-b2de-4a32a6282763" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValueOutstanding_ed6330e9-7c93-4696-a966-5f89645c7583" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockValueOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_CommonStockValueOutstanding_ed6330e9-7c93-4696-a966-5f89645c7583" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_d8c6b3b7-a4f6-419b-a7f4-f7bbf284386f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_AdditionalPaidInCapital_d8c6b3b7-a4f6-419b-a7f4-f7bbf284386f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_a0ed8823-9507-4e5d-8089-f94d4cb6f290" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_a0ed8823-9507-4e5d-8089-f94d4cb6f290" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b67440a7-f11d-48ac-b129-306cad505565" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_b67440a7-f11d-48ac-b129-306cad505565" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_0299ec48-ce7d-4c1b-96dc-da19eb181c57" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_MembersEquity_0299ec48-ce7d-4c1b-96dc-da19eb181c57" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_b5fdab33-c5b3-4e2e-b5ee-397689f2eab2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_StockholdersEquity_b5fdab33-c5b3-4e2e-b5ee-397689f2eab2" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_d97a7095-7d59-43a0-814f-4f1856c9d6fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_MinorityInterest_d97a7095-7d59-43a0-814f-4f1856c9d6fd" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5ba2e14c-1272-4f41-8456-f9ab3d2736e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCMembersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_adc34365-7f20-45fc-8189-ee71488d7113" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_5ba2e14c-1272-4f41-8456-f9ab3d2736e3" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_2e6017f3-8f5d-4d72-8292-87046fb4e21c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_d92a8501-ea4b-4b2b-b599-28836abd178f" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_2e6017f3-8f5d-4d72-8292-87046fb4e21c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_b5c09faa-18f3-41dc-bb67-c787473b5e71" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_286cc787-cf6a-4ede-bd6d-3d8f88736ec7" xlink:to="loc_us-gaap_StatementTable_b5c09faa-18f3-41dc-bb67-c787473b5e71" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_906d45d1-08be-4885-a8a9-fd19ecdc1caa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_b5c09faa-18f3-41dc-bb67-c787473b5e71" xlink:to="loc_us-gaap_StatementClassOfStockAxis_906d45d1-08be-4885-a8a9-fd19ecdc1caa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_906d45d1-08be-4885-a8a9-fd19ecdc1caa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_906d45d1-08be-4885-a8a9-fd19ecdc1caa" xlink:to="loc_us-gaap_ClassOfStockDomain_906d45d1-08be-4885-a8a9-fd19ecdc1caa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_906d45d1-08be-4885-a8a9-fd19ecdc1caa" xlink:to="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassAMember_473a95b7-018d-4dab-85e9-312b566d045f" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:to="loc_bakkt_VotingClassAMember_473a95b7-018d-4dab-85e9-312b566d045f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassBMember_8ee0ebd6-87d5-4294-b7fc-32d495b977e6" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:to="loc_bakkt_VotingClassBMember_8ee0ebd6-87d5-4294-b7fc-32d495b977e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassCMember_a23d4c4b-965b-4fae-a33e-2ce266066984" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:to="loc_bakkt_VotingClassCMember_a23d4c4b-965b-4fae-a33e-2ce266066984" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_fe0f7872-30a8-439b-a7b7-4fb41420781d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:to="loc_us-gaap_CommonClassAMember_fe0f7872-30a8-439b-a7b7-4fb41420781d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonClassVMember_d2a63065-88a8-4cd4-9e60-2c77b507470e" xlink:href="bakkt-20211231.xsd#bakkt_CommonClassVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_eac0c7ce-852f-4a08-9abb-030f4c2730c3" xlink:to="loc_bakkt_CommonClassVMember_d2a63065-88a8-4cd4-9e60-2c77b507470e" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ConsolidatedBalanceSheetsParentheticals" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ConsolidatedBalanceSheetsParentheticals"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ConsolidatedBalanceSheetsParentheticals" xlink:type="extended" id="i3efcab2ed8744373a71a5d91f6fa123e_ConsolidatedBalanceSheetsParentheticals">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesAuthorized_dc621a55-a6c3-4faa-ae00-fe61829ac5cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquitySharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_TemporaryEquitySharesAuthorized_dc621a55-a6c3-4faa-ae00-fe61829ac5cf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesIssued_5be05c5a-0bcc-4025-a232-9bcfb4d1e606" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquitySharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_TemporaryEquitySharesIssued_5be05c5a-0bcc-4025-a232-9bcfb4d1e606" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_16a3d99a-6de0-4c6a-96f4-e5f4b98c4aa0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_16a3d99a-6de0-4c6a-96f4-e5f4b98c4aa0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonUnitAuthorized_0bd6908b-548e-44fe-ae41-7d8dab20fbc3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonUnitAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonUnitAuthorized_0bd6908b-548e-44fe-ae41-7d8dab20fbc3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonUnitIssued_ad61197a-bbf9-47e6-a68f-936614485c74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonUnitIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonUnitIssued_ad61197a-bbf9-47e6-a68f-936614485c74" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonUnitOutstanding_b955ca03-9dde-4d18-865f-8a7d78b05a08" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonUnitOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonUnitOutstanding_b955ca03-9dde-4d18-865f-8a7d78b05a08" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_de2a8266-2ef9-445a-b2f7-3b7f77a86f8b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_de2a8266-2ef9-445a-b2f7-3b7f77a86f8b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_76de41ff-fe73-4355-9c9f-f6c6d9955d5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_76de41ff-fe73-4355-9c9f-f6c6d9955d5b" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_a78293b5-44d2-4bca-a5b6-c5bb60a18cb9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonStockSharesIssued_a78293b5-44d2-4bca-a5b6-c5bb60a18cb9" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_d39e68ef-3f88-4229-8a4c-eb865c35f764" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_d39e68ef-3f88-4229-8a4c-eb865c35f764" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_19621aff-6504-4c8b-9719-cd89f1d0cbc2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_01d8e269-b3cf-4050-ae95-9c4476f08925" xlink:to="loc_us-gaap_StatementTable_19621aff-6504-4c8b-9719-cd89f1d0cbc2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_b2d1de7b-5df4-4fdc-bd39-b68f67f84509" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_19621aff-6504-4c8b-9719-cd89f1d0cbc2" xlink:to="loc_us-gaap_StatementClassOfStockAxis_b2d1de7b-5df4-4fdc-bd39-b68f67f84509" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_b2d1de7b-5df4-4fdc-bd39-b68f67f84509_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_b2d1de7b-5df4-4fdc-bd39-b68f67f84509" xlink:to="loc_us-gaap_ClassOfStockDomain_b2d1de7b-5df4-4fdc-bd39-b68f67f84509_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_b2d1de7b-5df4-4fdc-bd39-b68f67f84509" xlink:to="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassAMember_de81afdc-77f1-4c44-8050-80bab0276453" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:to="loc_bakkt_VotingClassAMember_de81afdc-77f1-4c44-8050-80bab0276453" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassBMember_e21ee6e3-8a90-4b69-9379-e5ce8ba750d4" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:to="loc_bakkt_VotingClassBMember_e21ee6e3-8a90-4b69-9379-e5ce8ba750d4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassCMember_355abda1-8528-4537-9e22-4584a2481612" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:to="loc_bakkt_VotingClassCMember_355abda1-8528-4537-9e22-4584a2481612" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_2513577f-faad-4714-97ae-0255eb30e486" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:to="loc_us-gaap_CommonClassAMember_2513577f-faad-4714-97ae-0255eb30e486" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonClassVMember_bf4b908b-74a4-4ca0-8754-108364d6f98a" xlink:href="bakkt-20211231.xsd#bakkt_CommonClassVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_354d7a5c-6a95-4e06-b279-03e4f6d3ba3f" xlink:to="loc_bakkt_CommonClassVMember_bf4b908b-74a4-4ca0-8754-108364d6f98a" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ConsolidatedStatementsofChangesinMembersEquityandMezzanineEquity" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ConsolidatedStatementsofChangesinMembersEquityandMezzanineEquity"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ConsolidatedStatementsofChangesinMembersEquityandMezzanineEquity" xlink:type="extended" id="ida099b42178442d7b1b07ff4cb6f4edd_ConsolidatedStatementsofChangesinMembersEquityandMezzanineEquity">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_fc9d9f9e-9967-4b4e-843e-4f4db9d308e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fc9d9f9e-9967-4b4e-843e-4f4db9d308e8" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_de47c6ee-f2e0-44f8-a068-ea66a9c4e207" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_SharesOutstanding_de47c6ee-f2e0-44f8-a068-ea66a9c4e207" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesOutstanding_2063ce9b-eabe-4246-a963-05ef7ec95bcc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_78794785-20e9-4099-9c9d-6a8aa2d97971" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_MembersEquity_78794785-20e9-4099-9c9d-6a8aa2d97971" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d8acac03-29e9-482c-8fa3-99a5cea48e1f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_d8acac03-29e9-482c-8fa3-99a5cea48e1f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_97571adc-93ea-4b08-9f09-7370dea4a6f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_97571adc-93ea-4b08-9f09-7370dea4a6f1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_2fa4ac20-5acb-4faf-85b7-c61aad72afd2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_2fa4ac20-5acb-4faf-85b7-c61aad72afd2" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_ff2cf444-73c0-492d-88c5-ba212838fe07" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_ff2cf444-73c0-492d-88c5-ba212838fe07" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_StockholdersEquityWarrantsIssued_c101ede1-ea33-4c09-82f4-cfff6dd16030" xlink:href="bakkt-20211231.xsd#bakkt_StockholdersEquityWarrantsIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_bakkt_StockholdersEquityWarrantsIssued_c101ede1-ea33-4c09-82f4-cfff6dd16030" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_StockIssuedDuringThePeriodSharesWarrantsExercised_84132c18-c79d-419f-85a6-1b72b8a57e0a" xlink:href="bakkt-20211231.xsd#bakkt_StockIssuedDuringThePeriodSharesWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_bakkt_StockIssuedDuringThePeriodSharesWarrantsExercised_84132c18-c79d-419f-85a6-1b72b8a57e0a" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_StockIssuedDuringPeriodValueWarrantsExercised_5a28df42-1fe7-4ff9-8dcf-7fa2d70be463" xlink:href="bakkt-20211231.xsd#bakkt_StockIssuedDuringPeriodValueWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_bakkt_StockIssuedDuringPeriodValueWarrantsExercised_5a28df42-1fe7-4ff9-8dcf-7fa2d70be463" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_StcokholdersEquityWarrantsVested_cfd0d7da-bae7-4ea6-917b-6c6e9a09d2d4" xlink:href="bakkt-20211231.xsd#bakkt_StcokholdersEquityWarrantsVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_bakkt_StcokholdersEquityWarrantsVested_cfd0d7da-bae7-4ea6-917b-6c6e9a09d2d4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_7637427f-eaad-4a36-9d42-91c10d64d0a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_7637427f-eaad-4a36-9d42-91c10d64d0a8" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_5cb9f84c-8d4d-4491-9222-6be4d24a59ef" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities_5cb9f84c-8d4d-4491-9222-6be4d24a59ef" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_06810bc9-e44b-42a5-bf0a-cb464b4d18ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_06810bc9-e44b-42a5-bf0a-cb464b4d18ed" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_NoncontrollingInterestIncreaseFromShareBasedCompensationArrangement_a5259801-1b04-4354-9454-7d5439eb0774" xlink:href="bakkt-20211231.xsd#bakkt_NoncontrollingInterestIncreaseFromShareBasedCompensationArrangement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_bakkt_NoncontrollingInterestIncreaseFromShareBasedCompensationArrangement_a5259801-1b04-4354-9454-7d5439eb0774" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_9f66bed6-ef0e-42b2-b8e3-d2987c09caee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited_9f66bed6-ef0e-42b2-b8e3-d2987c09caee" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited_aafbbd98-1154-410c-9d80-09765cc44d56" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited_aafbbd98-1154-410c-9d80-09765cc44d56" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_d673ebde-8c60-48ae-b857-3af06faa3193" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_d673ebde-8c60-48ae-b857-3af06faa3193" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_9abf35e0-d69a-495f-a2e8-0bc78e622660" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_66e98873-fe16-4558-b5c0-b62d75e2a856" xlink:to="loc_us-gaap_ProfitLoss_9abf35e0-d69a-495f-a2e8-0bc78e622660" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MembersEquity_26252f2a-6180-4641-be21-e3a767c6d02f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MembersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_4bfc25e6-ffe9-476e-8634-49b49c9b2126" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInTemporaryEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_fc9d9f9e-9967-4b4e-843e-4f4db9d308e8" xlink:to="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_85c170c6-f9f1-46ad-b557-95c01818257f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_us-gaap_TemporaryEquitySharesOutstanding_85c170c6-f9f1-46ad-b557-95c01818257f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_6248cb46-6c36-41ee-af5b-9fecd9eb20c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_6248cb46-6c36-41ee-af5b-9fecd9eb20c4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition_9cdb81bc-b66f-402e-8d0b-6fa426f94b75" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_bakkt_TemporaryEquityShareBasedPaymentArrangementIncreaseForCostRecognition_9cdb81bc-b66f-402e-8d0b-6fa426f94b75" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquityStockRepurchasedDuringThePeriodValue_e02df6ec-5a35-4eda-947e-7871389075d4" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquityStockRepurchasedDuringThePeriodValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_bakkt_TemporaryEquityStockRepurchasedDuringThePeriodValue_e02df6ec-5a35-4eda-947e-7871389075d4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquityStockRepurchasedDuringThePeriodShares_3a74c566-ef98-4807-a91f-308dc4a42004" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquityStockRepurchasedDuringThePeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_bakkt_TemporaryEquityStockRepurchasedDuringThePeriodShares_3a74c566-ef98-4807-a91f-308dc4a42004" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquityValueConversionOfConvertibleSecurities_858a8470-2a2f-42c7-9e13-d8b4a3288526" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquityValueConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_bakkt_TemporaryEquityValueConversionOfConvertibleSecurities_858a8470-2a2f-42c7-9e13-d8b4a3288526" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquitySharesConversionOfConvertibleSecurities_3af69f7e-7e47-4610-ae95-1bb11b552305" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquitySharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInTemporaryEquityRollForward_d4782b0b-ebde-4421-9b1e-c937478b925c" xlink:to="loc_bakkt_TemporaryEquitySharesConversionOfConvertibleSecurities_3af69f7e-7e47-4610-ae95-1bb11b552305" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquitySharesOutstanding_fba259a4-f45d-4374-8617-8d7d4c2dadc8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquitySharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountAttributableToParent_8ae3c918-7dbb-4d1a-9e54-576c87d1d796" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_eebfc222-1721-42f4-8cf7-5479dcf7a33a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_fc9d9f9e-9967-4b4e-843e-4f4db9d308e8" xlink:to="loc_us-gaap_StatementTable_eebfc222-1721-42f4-8cf7-5479dcf7a33a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_8ebbbf46-2fbd-40bc-9624-aae5e121e58e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_eebfc222-1721-42f4-8cf7-5479dcf7a33a" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_8ebbbf46-2fbd-40bc-9624-aae5e121e58e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_8ebbbf46-2fbd-40bc-9624-aae5e121e58e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8ebbbf46-2fbd-40bc-9624-aae5e121e58e" xlink:to="loc_us-gaap_EquityComponentDomain_8ebbbf46-2fbd-40bc-9624-aae5e121e58e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_8ebbbf46-2fbd-40bc-9624-aae5e121e58e" xlink:to="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MemberUnitsMember_489a20ad-0b38-4b25-a574-47950d99aa0f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MemberUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_MemberUnitsMember_489a20ad-0b38-4b25-a574-47950d99aa0f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_bb88db85-a8eb-46b8-814f-243699f1b0ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_WarrantMember_bb88db85-a8eb-46b8-814f-243699f1b0ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_e93c833b-2f73-421c-9309-5c7146d943bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_RetainedEarningsMember_e93c833b-2f73-421c-9309-5c7146d943bf" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6657edf9-7b83-48fd-9382-f867687b7c37" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_6657edf9-7b83-48fd-9382-f867687b7c37" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_bf777996-f558-437b-a50a-02b60205fb6f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_CommonStockMember_bf777996-f558-437b-a50a-02b60205fb6f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_81f76b0d-27ef-490b-99b8-77012ac36c97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_81f76b0d-27ef-490b-99b8-77012ac36c97" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember_cfc85bd1-4efe-4f29-801b-406e79c75560" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_ParentMember_cfc85bd1-4efe-4f29-801b-406e79c75560" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_446396e8-ef00-4849-873d-06b282c865a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a6b80ba9-3bb8-4394-9180-a09206082c88" xlink:to="loc_us-gaap_NoncontrollingInterestMember_446396e8-ef00-4849-873d-06b282c865a4" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_79b59ce7-f2cd-42c0-af0a-3a4c767877c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_eebfc222-1721-42f4-8cf7-5479dcf7a33a" xlink:to="loc_us-gaap_StatementClassOfStockAxis_79b59ce7-f2cd-42c0-af0a-3a4c767877c8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_79b59ce7-f2cd-42c0-af0a-3a4c767877c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_79b59ce7-f2cd-42c0-af0a-3a4c767877c8" xlink:to="loc_us-gaap_ClassOfStockDomain_79b59ce7-f2cd-42c0-af0a-3a4c767877c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_79b59ce7-f2cd-42c0-af0a-3a4c767877c8" xlink:to="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassAMember_5a5b2ecb-1a92-4663-bd13-57058eb021ee" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_bakkt_VotingClassAMember_5a5b2ecb-1a92-4663-bd13-57058eb021ee" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassBMember_45b04980-f1be-40e6-9898-cc599a67e8e7" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_bakkt_VotingClassBMember_45b04980-f1be-40e6-9898-cc599a67e8e7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassCMember_7c33ef30-b1e0-4c66-be04-7cfc538fb3c7" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_bakkt_VotingClassCMember_7c33ef30-b1e0-4c66-be04-7cfc538fb3c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_692a89c3-62fa-4ed9-b753-dc320d4d8865" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_us-gaap_CommonClassAMember_692a89c3-62fa-4ed9-b753-dc320d4d8865" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonClassVMember_eebeaa50-4813-450f-a8f5-b771a7aae4a9" xlink:href="bakkt-20211231.xsd#bakkt_CommonClassVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_bakkt_CommonClassVMember_eebeaa50-4813-450f-a8f5-b771a7aae4a9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_5d4c171d-6b74-4fe6-91b7-61b6c7156041" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_us-gaap_CommonClassBMember_5d4c171d-6b74-4fe6-91b7-61b6c7156041" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IncentiveUnitsMember_ee056b41-d3a9-4fab-bd17-2aca3f3a9452" xlink:href="bakkt-20211231.xsd#bakkt_IncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_e49ca9b9-dd7a-40eb-87a2-ff0670ba01ee" xlink:to="loc_bakkt_IncentiveUnitsMember_ee056b41-d3a9-4fab-bd17-2aca3f3a9452" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_6fd9d3b7-896b-4eed-8339-19383d3cb4a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_eebfc222-1721-42f4-8cf7-5479dcf7a33a" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_6fd9d3b7-896b-4eed-8339-19383d3cb4a5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_6fd9d3b7-896b-4eed-8339-19383d3cb4a5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_6fd9d3b7-896b-4eed-8339-19383d3cb4a5" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_6fd9d3b7-896b-4eed-8339-19383d3cb4a5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_198ce4a7-2a0b-485c-af44-28c5cf54c6d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_6fd9d3b7-896b-4eed-8339-19383d3cb4a5" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_198ce4a7-2a0b-485c-af44-28c5cf54c6d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassBMember_4a006726-f27a-4cc5-b087-dfeb5de2d464" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_198ce4a7-2a0b-485c-af44-28c5cf54c6d2" xlink:to="loc_bakkt_WarrantClassBMember_4a006726-f27a-4cc5-b087-dfeb5de2d464" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassCMember_028a1005-0fa7-433c-ad1b-2909db801538" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_198ce4a7-2a0b-485c-af44-28c5cf54c6d2" xlink:to="loc_bakkt_WarrantClassCMember_028a1005-0fa7-433c-ad1b-2909db801538" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_69e8d278-3819-4c9c-a0c9-c272c0795320" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockByUniqueDescriptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_eebfc222-1721-42f4-8cf7-5479dcf7a33a" xlink:to="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_69e8d278-3819-4c9c-a0c9-c272c0795320" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_69e8d278-3819-4c9c-a0c9-c272c0795320_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_69e8d278-3819-4c9c-a0c9-c272c0795320" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_69e8d278-3819-4c9c-a0c9-c272c0795320_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_9d4062dc-36a8-4c08-a41a-31569d0694ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_69e8d278-3819-4c9c-a0c9-c272c0795320" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_9d4062dc-36a8-4c08-a41a-31569d0694ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ConversionOfClassAOrdinarySharesAndClassBOrdinarySharesIntoClassACommonStockMember_3bb95cee-3b7f-425b-be73-74579328d100" xlink:href="bakkt-20211231.xsd#bakkt_ConversionOfClassAOrdinarySharesAndClassBOrdinarySharesIntoClassACommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_9d4062dc-36a8-4c08-a41a-31569d0694ce" xlink:to="loc_bakkt_ConversionOfClassAOrdinarySharesAndClassBOrdinarySharesIntoClassACommonStockMember_3bb95cee-3b7f-425b-be73-74579328d100" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember_95be2781-6e03-4258-9adb-7dca04b5b9aa" xlink:href="bakkt-20211231.xsd#bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_9d4062dc-36a8-4c08-a41a-31569d0694ce" xlink:to="loc_bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember_95be2781-6e03-4258-9adb-7dca04b5b9aa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IssuanceOfClassVCommonStockForOpcoIncentiveUnitsMember_72025008-b9d6-4825-a142-4868fc397d9a" xlink:href="bakkt-20211231.xsd#bakkt_IssuanceOfClassVCommonStockForOpcoIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_9d4062dc-36a8-4c08-a41a-31569d0694ce" xlink:to="loc_bakkt_IssuanceOfClassVCommonStockForOpcoIncentiveUnitsMember_72025008-b9d6-4825-a142-4868fc397d9a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/OrganizationandDescriptionofBusinessDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#OrganizationandDescriptionofBusinessDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/OrganizationandDescriptionofBusinessDetails" xlink:type="extended" id="if836251d96d04467b72bfa8efd39bf5e_OrganizationandDescriptionofBusinessDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_fa57d9a6-ceee-4b04-9a9a-776613b216dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_fa57d9a6-ceee-4b04-9a9a-776613b216dd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_9d9a7923-aa03-4d89-b9b5-7835908864c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_9d9a7923-aa03-4d89-b9b5-7835908864c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPricePerShare_1192bd3c-1377-4dc7-b44c-f932766952f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:to="loc_us-gaap_SaleOfStockPricePerShare_1192bd3c-1377-4dc7-b44c-f932766952f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccount_31dc5ec0-a307-46d2-8fd5-402f3cad1a35" xlink:href="bakkt-20211231.xsd#bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:to="loc_bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccount_31dc5ec0-a307-46d2-8fd5-402f3cad1a35" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccountPerShareAmount_b85f0f05-1ab2-441a-a1f3-b732201a3472" xlink:href="bakkt-20211231.xsd#bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccountPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:to="loc_bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccountPerShareAmount_b85f0f05-1ab2-441a-a1f3-b732201a3472" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_e21e908f-588c-4c82-9c74-4ad6ce04dd1f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsidiarySaleOfStockLineItems_a017280a-d866-46d9-a2d9-b56313e76dee" xlink:to="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_e21e908f-588c-4c82-9c74-4ad6ce04dd1f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_54c2d769-d1d6-4990-95f6-3af356d840f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_e21e908f-588c-4c82-9c74-4ad6ce04dd1f" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_54c2d769-d1d6-4990-95f6-3af356d840f1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_54c2d769-d1d6-4990-95f6-3af356d840f1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_54c2d769-d1d6-4990-95f6-3af356d840f1" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_54c2d769-d1d6-4990-95f6-3af356d840f1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_9e4583e3-d7f4-40e2-97b2-9d6b50ced7d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_54c2d769-d1d6-4990-95f6-3af356d840f1" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_9e4583e3-d7f4-40e2-97b2-9d6b50ced7d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IPOAndOverAllotmentOptionMember_ead840d8-a6e4-4ab5-bf19-7129fd865fc2" xlink:href="bakkt-20211231.xsd#bakkt_IPOAndOverAllotmentOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_9e4583e3-d7f4-40e2-97b2-9d6b50ced7d1" xlink:to="loc_bakkt_IPOAndOverAllotmentOptionMember_ead840d8-a6e4-4ab5-bf19-7129fd865fc2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IPOMember_30fa1260-4b83-4ee3-84e7-a8c7a2371f9e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IPOMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_IPOAndOverAllotmentOptionMember_ead840d8-a6e4-4ab5-bf19-7129fd865fc2" xlink:to="loc_us-gaap_IPOMember_30fa1260-4b83-4ee3-84e7-a8c7a2371f9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivatePlacementMember_225dd877-4241-433c-a7bf-459c7be0b1f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrivatePlacementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_IPOAndOverAllotmentOptionMember_ead840d8-a6e4-4ab5-bf19-7129fd865fc2" xlink:to="loc_us-gaap_PrivatePlacementMember_225dd877-4241-433c-a7bf-459c7be0b1f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OverAllotmentOptionMember_5809370c-2803-4e8c-a9d6-a4de656c52e4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OverAllotmentOptionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_9e4583e3-d7f4-40e2-97b2-9d6b50ced7d1" xlink:to="loc_us-gaap_OverAllotmentOptionMember_5809370c-2803-4e8c-a9d6-a4de656c52e4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_1db74fe6-f915-4557-9258-41a2a4eed6b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsidiaryOrEquityMethodInvesteeSaleOfStockBySubsidiaryOrEquityInvesteeTable_e21e908f-588c-4c82-9c74-4ad6ce04dd1f" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_1db74fe6-f915-4557-9258-41a2a4eed6b1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_1db74fe6-f915-4557-9258-41a2a4eed6b1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1db74fe6-f915-4557-9258-41a2a4eed6b1" xlink:to="loc_us-gaap_EquityComponentDomain_1db74fe6-f915-4557-9258-41a2a4eed6b1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_17f30abb-acb9-4dec-9d71-a4953531c4c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_1db74fe6-f915-4557-9258-41a2a4eed6b1" xlink:to="loc_us-gaap_EquityComponentDomain_17f30abb-acb9-4dec-9d71-a4953531c4c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_MemberUnitsAndWarrantMember_de1f09df-0ae5-4ce0-99bc-9c5d3960a3ff" xlink:href="bakkt-20211231.xsd#bakkt_MemberUnitsAndWarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_17f30abb-acb9-4dec-9d71-a4953531c4c4" xlink:to="loc_bakkt_MemberUnitsAndWarrantMember_de1f09df-0ae5-4ce0-99bc-9c5d3960a3ff" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MemberUnitsMember_21770a52-bdcd-4522-a4d7-2dc8f634d1b9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MemberUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_MemberUnitsAndWarrantMember_de1f09df-0ae5-4ce0-99bc-9c5d3960a3ff" xlink:to="loc_us-gaap_MemberUnitsMember_21770a52-bdcd-4522-a4d7-2dc8f634d1b9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_ae112b5a-a613-4a3e-86dc-e2d89a19f0db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_MemberUnitsAndWarrantMember_de1f09df-0ae5-4ce0-99bc-9c5d3960a3ff" xlink:to="loc_us-gaap_WarrantMember_ae112b5a-a613-4a3e-86dc-e2d89a19f0db" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/SummaryofSignificantAccountingPoliciesDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#SummaryofSignificantAccountingPoliciesDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/SummaryofSignificantAccountingPoliciesDetails" xlink:type="extended" id="ib72366ce69354912851cf253a14fa256_SummaryofSignificantAccountingPoliciesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments_c3df3289-f700-4b66-b0ba-e1f1149de385" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_NumberOfOperatingSegments_c3df3289-f700-4b66-b0ba-e1f1149de385" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_ef0fc8d3-26bd-4154-8a38-e1ffb1dbafcf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_NumberOfReportableSegments_ef0fc8d3-26bd-4154-8a38-e1ffb1dbafcf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_257659be-7c20-4528-95be-bb802be62689" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_257659be-7c20-4528-95be-bb802be62689" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_000d7366-e0eb-4e16-a2f3-b5ebd987e3c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_000d7366-e0eb-4e16-a2f3-b5ebd987e3c7" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_f6810e97-6db5-44f1-b7d6-37046b31a6cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_f6810e97-6db5-44f1-b7d6-37046b31a6cf" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_4ba932ad-b3ec-431b-a1d1-1e7d90db0b4a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_4ba932ad-b3ec-431b-a1d1-1e7d90db0b4a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_aaadab7c-af3b-45e5-857c-1ef513035fbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetImpairment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetImpairment_aaadab7c-af3b-45e5-857c-1ef513035fbb" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_2bffae83-4b33-4b8b-9bd9-e6ec8b7b37bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_2bffae83-4b33-4b8b-9bd9-e6ec8b7b37bf" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CustomerConsiderationAssetReductionToTransactionFeesStraightLineRecognitionPeriod_52bed75f-02e5-4d32-a160-2dfe383696c7" xlink:href="bakkt-20211231.xsd#bakkt_CustomerConsiderationAssetReductionToTransactionFeesStraightLineRecognitionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_bakkt_CustomerConsiderationAssetReductionToTransactionFeesStraightLineRecognitionPeriod_52bed75f-02e5-4d32-a160-2dfe383696c7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_4498563d-452e-46f6-be0c-8ae1f30685ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_4498563d-452e-46f6-be0c-8ae1f30685ca" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_76ed792f-113c-4c0e-81c0-cf2914475116" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_76ed792f-113c-4c0e-81c0-cf2914475116" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdvertisingExpense_119b64b6-2140-480e-96de-aea46e4a28fd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AdvertisingExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_AdvertisingExpense_119b64b6-2140-480e-96de-aea46e4a28fd" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_b3bbe057-c01a-4932-b62a-19d8654edf3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_b3bbe057-c01a-4932-b62a-19d8654edf3f" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1_5a7210ea-ee4f-4b3a-8a73-1ec28f788f29" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_ConcentrationRiskPercentage1_5a7210ea-ee4f-4b3a-8a73-1ec28f788f29" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_0a0bcdff-9daf-48ec-8a5f-2ceb46954386" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_0a0bcdff-9daf-48ec-8a5f-2ceb46954386" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_95f4a02e-3774-4e1b-9e79-d1e93d3e6f74" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_95f4a02e-3774-4e1b-9e79-d1e93d3e6f74" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_a2e72961-994f-4694-a0b1-613628ec60d6" xlink:to="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_48662758-bd5d-4d2e-8218-e71da029879b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_48662758-bd5d-4d2e-8218-e71da029879b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_48662758-bd5d-4d2e-8218-e71da029879b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_48662758-bd5d-4d2e-8218-e71da029879b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_48662758-bd5d-4d2e-8218-e71da029879b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_22c73e5b-c1b6-4e1d-9e58-707169339e95" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_48662758-bd5d-4d2e-8218-e71da029879b" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_22c73e5b-c1b6-4e1d-9e58-707169339e95" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_45199443-ef84-4fad-98a2-8c312fed813e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_22c73e5b-c1b6-4e1d-9e58-707169339e95" xlink:to="loc_us-gaap_MoneyMarketFundsMember_45199443-ef84-4fad-98a2-8c312fed813e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_9c23a999-1722-41da-89e5-897909890cdc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_StatementClassOfStockAxis_9c23a999-1722-41da-89e5-897909890cdc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_9c23a999-1722-41da-89e5-897909890cdc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9c23a999-1722-41da-89e5-897909890cdc" xlink:to="loc_us-gaap_ClassOfStockDomain_9c23a999-1722-41da-89e5-897909890cdc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_a5851dcf-889f-4776-9a18-3942923f345c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_9c23a999-1722-41da-89e5-897909890cdc" xlink:to="loc_us-gaap_ClassOfStockDomain_a5851dcf-889f-4776-9a18-3942923f345c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassBMember_0e8c3dc1-c903-4897-8ddd-d15452bed0a9" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_a5851dcf-889f-4776-9a18-3942923f345c" xlink:to="loc_bakkt_VotingClassBMember_0e8c3dc1-c903-4897-8ddd-d15452bed0a9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassCMember_fcbd2509-bb4e-4883-aeb3-3a6d5e623f68" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_a5851dcf-889f-4776-9a18-3942923f345c" xlink:to="loc_bakkt_VotingClassCMember_fcbd2509-bb4e-4883-aeb3-3a6d5e623f68" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_675fcad9-49da-4444-8922-c5368d663369" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_675fcad9-49da-4444-8922-c5368d663369" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_675fcad9-49da-4444-8922-c5368d663369_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_675fcad9-49da-4444-8922-c5368d663369" xlink:to="loc_us-gaap_EquityComponentDomain_675fcad9-49da-4444-8922-c5368d663369_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_bd17e374-e1c3-4ae0-ada9-2b80b0207baa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_675fcad9-49da-4444-8922-c5368d663369" xlink:to="loc_us-gaap_EquityComponentDomain_bd17e374-e1c3-4ae0-ada9-2b80b0207baa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MemberUnitsMember_3945e072-6e99-4c6b-a053-33e93d083f57" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MemberUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_bd17e374-e1c3-4ae0-ada9-2b80b0207baa" xlink:to="loc_us-gaap_MemberUnitsMember_3945e072-6e99-4c6b-a053-33e93d083f57" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_4f44722c-c7f3-4d7a-989e-04f65d7aacfc" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_srt_CounterpartyNameAxis_4f44722c-c7f3-4d7a-989e-04f65d7aacfc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4f44722c-c7f3-4d7a-989e-04f65d7aacfc_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_4f44722c-c7f3-4d7a-989e-04f65d7aacfc" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_4f44722c-c7f3-4d7a-989e-04f65d7aacfc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f59b76f8-f309-4221-bcee-5cbea3d9fedd" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_4f44722c-c7f3-4d7a-989e-04f65d7aacfc" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f59b76f8-f309-4221-bcee-5cbea3d9fedd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_StrategicPartnerMember_3b1dbd26-3062-41a2-8ad3-425057508354" xlink:href="bakkt-20211231.xsd#bakkt_StrategicPartnerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_f59b76f8-f309-4221-bcee-5cbea3d9fedd" xlink:to="loc_bakkt_StrategicPartnerMember_3b1dbd26-3062-41a2-8ad3-425057508354" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0f4dfd1e-9c12-4410-9ef9-0605210c035c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0f4dfd1e-9c12-4410-9ef9-0605210c035c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_0f4dfd1e-9c12-4410-9ef9-0605210c035c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0f4dfd1e-9c12-4410-9ef9-0605210c035c" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_0f4dfd1e-9c12-4410-9ef9-0605210c035c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain_25ab0858-e7f4-4ce8-a603-a429c90d37ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis_0f4dfd1e-9c12-4410-9ef9-0605210c035c" xlink:to="loc_us-gaap_ConcentrationRiskBenchmarkDomain_25ab0858-e7f4-4ce8-a603-a429c90d37ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_7fffacde-8c67-48aa-9d9a-5d8ec77c3da4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_25ab0858-e7f4-4ce8-a603-a429c90d37ce" xlink:to="loc_us-gaap_AccountsReceivableMember_7fffacde-8c67-48aa-9d9a-5d8ec77c3da4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerMember_1bf8b961-3c2f-413f-8f28-b42bb67195bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain_25ab0858-e7f4-4ce8-a603-a429c90d37ce" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerMember_1bf8b961-3c2f-413f-8f28-b42bb67195bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis_9585e183-22da-46ca-9f6a-c026a8d3a2ff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_ConcentrationRiskByTypeAxis_9585e183-22da-46ca-9f6a-c026a8d3a2ff" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_9585e183-22da-46ca-9f6a-c026a8d3a2ff_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_9585e183-22da-46ca-9f6a-c026a8d3a2ff" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_9585e183-22da-46ca-9f6a-c026a8d3a2ff_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain_abd7e2f5-3d89-4d8b-a2ab-10eb2d67f1f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis_9585e183-22da-46ca-9f6a-c026a8d3a2ff" xlink:to="loc_us-gaap_ConcentrationRiskTypeDomain_abd7e2f5-3d89-4d8b-a2ab-10eb2d67f1f9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerConcentrationRiskMember_b3890fb1-546c-42b1-b078-bdcff0f40f2a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerConcentrationRiskMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain_abd7e2f5-3d89-4d8b-a2ab-10eb2d67f1f9" xlink:to="loc_us-gaap_CustomerConcentrationRiskMember_b3890fb1-546c-42b1-b078-bdcff0f40f2a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_69e3628f-6e5b-4922-894f-1a37914be178" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MajorCustomersAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_srt_MajorCustomersAxis_69e3628f-6e5b-4922-894f-1a37914be178" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_69e3628f-6e5b-4922-894f-1a37914be178_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_MajorCustomersAxis_69e3628f-6e5b-4922-894f-1a37914be178" xlink:to="loc_srt_NameOfMajorCustomerDomain_69e3628f-6e5b-4922-894f-1a37914be178_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_74c40b2e-d63e-4d09-9c5e-2e387affca3b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_MajorCustomersAxis_69e3628f-6e5b-4922-894f-1a37914be178" xlink:to="loc_srt_NameOfMajorCustomerDomain_74c40b2e-d63e-4d09-9c5e-2e387affca3b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ThreeCustomersMember_ea3b5c14-8f37-4eac-ba6e-0bcac9a9bc51" xlink:href="bakkt-20211231.xsd#bakkt_ThreeCustomersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_74c40b2e-d63e-4d09-9c5e-2e387affca3b" xlink:to="loc_bakkt_ThreeCustomersMember_ea3b5c14-8f37-4eac-ba6e-0bcac9a9bc51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_FourCustomersMember_594fac16-6683-4ee0-b023-fc6e62cb6a7a" xlink:href="bakkt-20211231.xsd#bakkt_FourCustomersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_74c40b2e-d63e-4d09-9c5e-2e387affca3b" xlink:to="loc_bakkt_FourCustomersMember_594fac16-6683-4ee0-b023-fc6e62cb6a7a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TwoCustomersMember_c8058fa9-6593-4691-8a14-c163936a2881" xlink:href="bakkt-20211231.xsd#bakkt_TwoCustomersMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_NameOfMajorCustomerDomain_74c40b2e-d63e-4d09-9c5e-2e387affca3b" xlink:to="loc_bakkt_TwoCustomersMember_c8058fa9-6593-4691-8a14-c163936a2881" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_36399e3b-74e9-4185-ad62-89d8c611d4fb" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_srt_ProductOrServiceAxis_36399e3b-74e9-4185-ad62-89d8c611d4fb" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_36399e3b-74e9-4185-ad62-89d8c611d4fb_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_36399e3b-74e9-4185-ad62-89d8c611d4fb" xlink:to="loc_srt_ProductsAndServicesDomain_36399e3b-74e9-4185-ad62-89d8c611d4fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_db58c61c-f704-4d97-bc3f-7a80be67060c" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_36399e3b-74e9-4185-ad62-89d8c611d4fb" xlink:to="loc_srt_ProductsAndServicesDomain_db58c61c-f704-4d97-bc3f-7a80be67060c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CryptoassetsMember_b91e456e-fd5e-4aa7-af87-6ae768066801" xlink:href="bakkt-20211231.xsd#bakkt_CryptoassetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_db58c61c-f704-4d97-bc3f-7a80be67060c" xlink:to="loc_bakkt_CryptoassetsMember_b91e456e-fd5e-4aa7-af87-6ae768066801" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelAxis_e8348e31-1c2f-41d8-9b38-54df1b1e6db9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelAxis_e8348e31-1c2f-41d8-9b38-54df1b1e6db9" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_e8348e31-1c2f-41d8-9b38-54df1b1e6db9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_e8348e31-1c2f-41d8-9b38-54df1b1e6db9" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_e8348e31-1c2f-41d8-9b38-54df1b1e6db9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_591ba730-45f6-4535-82ca-e3ed475455f4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_e8348e31-1c2f-41d8-9b38-54df1b1e6db9" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_591ba730-45f6-4535-82ca-e3ed475455f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SalesChannelAlternativePaymentPlatformDirectlyToConsumerMember_e80528e2-8296-4356-9685-771b2f9b23e5" xlink:href="bakkt-20211231.xsd#bakkt_SalesChannelAlternativePaymentPlatformDirectlyToConsumerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_591ba730-45f6-4535-82ca-e3ed475455f4" xlink:to="loc_bakkt_SalesChannelAlternativePaymentPlatformDirectlyToConsumerMember_e80528e2-8296-4356-9685-771b2f9b23e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SalesChannelAlternativePaymentPlatformThroughIntermediaryMember_7a477abc-1bac-4e38-bf1a-9431d25d5272" xlink:href="bakkt-20211231.xsd#bakkt_SalesChannelAlternativePaymentPlatformThroughIntermediaryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_591ba730-45f6-4535-82ca-e3ed475455f4" xlink:to="loc_bakkt_SalesChannelAlternativePaymentPlatformThroughIntermediaryMember_7a477abc-1bac-4e38-bf1a-9431d25d5272" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_fa8e087a-1b79-4660-ae23-7ea98853029b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_3491613a-50c1-44d8-89b9-c76340eb0758" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_fa8e087a-1b79-4660-ae23-7ea98853029b" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_fa8e087a-1b79-4660-ae23-7ea98853029b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_fa8e087a-1b79-4660-ae23-7ea98853029b" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_fa8e087a-1b79-4660-ae23-7ea98853029b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_82ea3b33-f384-44a9-8b69-4cd8295383ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_fa8e087a-1b79-4660-ae23-7ea98853029b" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_82ea3b33-f384-44a9-8b69-4cd8295383ed" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_Bridge2SolutionsMember_54cfedc7-e1d3-4293-996a-6c3373883b8d" xlink:href="bakkt-20211231.xsd#bakkt_Bridge2SolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_82ea3b33-f384-44a9-8b69-4cd8295383ed" xlink:to="loc_bakkt_Bridge2SolutionsMember_54cfedc7-e1d3-4293-996a-6c3373883b8d" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentUsefulLivesDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentUsefulLivesDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentUsefulLivesDetails" xlink:type="extended" id="ia37835bc8b724c54891637a8d89e8192_SummaryofSignificantAccountingPoliciesPropertyPlantandEquipmentUsefulLivesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f14e8916-3841-47e0-a303-8a94e7bc4ff6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_0fadd800-69d5-408d-be11-7ff8e666d75e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f14e8916-3841-47e0-a303-8a94e7bc4ff6" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentUsefulLife_0fadd800-69d5-408d-be11-7ff8e666d75e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeFinanceLeaseTermOfContract1_d987e596-fc47-4da4-a5e7-b69089cff39b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeFinanceLeaseTermOfContract1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f14e8916-3841-47e0-a303-8a94e7bc4ff6" xlink:to="loc_us-gaap_LesseeFinanceLeaseTermOfContract1_d987e596-fc47-4da4-a5e7-b69089cff39b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8278ee03-6487-4d34-810c-799032fd9cb8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_f14e8916-3841-47e0-a303-8a94e7bc4ff6" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8278ee03-6487-4d34-810c-799032fd9cb8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_707f0b75-7860-40e8-a036-41b587878a6d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8278ee03-6487-4d34-810c-799032fd9cb8" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_707f0b75-7860-40e8-a036-41b587878a6d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_707f0b75-7860-40e8-a036-41b587878a6d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_707f0b75-7860-40e8-a036-41b587878a6d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_707f0b75-7860-40e8-a036-41b587878a6d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_707f0b75-7860-40e8-a036-41b587878a6d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_4e420263-b3f6-4b4a-a49b-7532635bda3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_4e420263-b3f6-4b4a-a49b-7532635bda3a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PurchasedSoftwareMember_1ffb91ac-f830-492f-9ec1-f909418e7134" xlink:href="bakkt-20211231.xsd#bakkt_PurchasedSoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:to="loc_bakkt_PurchasedSoftwareMember_1ffb91ac-f830-492f-9ec1-f909418e7134" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_67ca6cf5-c94d-4336-b8e4-a91c772bf02e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_67ca6cf5-c94d-4336-b8e4-a91c772bf02e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_568c0495-6446-4349-8ec6-cbb3ae743973" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_568c0495-6446-4349-8ec6-cbb3ae743973" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_cd8d3421-4625-4cce-8f67-b94cb9832058" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComputerEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_7d0df103-5b7b-4f72-8607-8e20dbf307d9" xlink:to="loc_us-gaap_ComputerEquipmentMember_cd8d3421-4625-4cce-8f67-b94cb9832058" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_952c685a-67e6-4be6-9c15-65f9664ff033" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_8278ee03-6487-4d34-810c-799032fd9cb8" xlink:to="loc_srt_RangeAxis_952c685a-67e6-4be6-9c15-65f9664ff033" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_952c685a-67e6-4be6-9c15-65f9664ff033_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_952c685a-67e6-4be6-9c15-65f9664ff033" xlink:to="loc_srt_RangeMember_952c685a-67e6-4be6-9c15-65f9664ff033_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_3086333e-c2b7-4deb-8089-50ca256b8c9e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_952c685a-67e6-4be6-9c15-65f9664ff033" xlink:to="loc_srt_RangeMember_3086333e-c2b7-4deb-8089-50ca256b8c9e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_8a83add1-be3a-468c-ab77-9a19ddd6ff87" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_3086333e-c2b7-4deb-8089-50ca256b8c9e" xlink:to="loc_srt_MinimumMember_8a83add1-be3a-468c-ab77-9a19ddd6ff87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e94acf72-7c17-43cf-8c68-7961fcb0beed" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_3086333e-c2b7-4deb-8089-50ca256b8c9e" xlink:to="loc_srt_MaximumMember_e94acf72-7c17-43cf-8c68-7961fcb0beed" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/RevenuefromContractswithCustomersDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#RevenuefromContractswithCustomersDisaggregationofRevenueDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/RevenuefromContractswithCustomersDisaggregationofRevenueDetails" xlink:type="extended" id="ib42c93f5d65a40db936c29a55b9e89b5_RevenuefromContractswithCustomersDisaggregationofRevenueDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_df305ee4-9384-4b1a-b3e8-eae5cbfc39c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_df305ee4-9384-4b1a-b3e8-eae5cbfc39c8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RevenueFromContractWithCustomerRebatesLiquidityPaymentsReductionsAndConsiderationsPayable_41a3fce3-6b98-4c94-878b-313c2cab574d" xlink:href="bakkt-20211231.xsd#bakkt_RevenueFromContractWithCustomerRebatesLiquidityPaymentsReductionsAndConsiderationsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:to="loc_bakkt_RevenueFromContractWithCustomerRebatesLiquidityPaymentsReductionsAndConsiderationsPayable_41a3fce3-6b98-4c94-878b-313c2cab574d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_68d30b1f-4852-4991-b958-34acc2c16546" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:to="loc_us-gaap_RevenueFromRelatedParties_68d30b1f-4852-4991-b958-34acc2c16546" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RevenueFromContractWithCustomerRebatesLiquidityPaymentsAndReductions_9f2fc7aa-b78c-42ff-ab1f-a5336cc753b6" xlink:href="bakkt-20211231.xsd#bakkt_RevenueFromContractWithCustomerRebatesLiquidityPaymentsAndReductions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:to="loc_bakkt_RevenueFromContractWithCustomerRebatesLiquidityPaymentsAndReductions_9f2fc7aa-b78c-42ff-ab1f-a5336cc753b6" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RevenueFromContractWithCustomerConsiderationsPayable_23362c08-e3b9-422c-990b-633bb9f6a892" xlink:href="bakkt-20211231.xsd#bakkt_RevenueFromContractWithCustomerConsiderationsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:to="loc_bakkt_RevenueFromContractWithCustomerConsiderationsPayable_23362c08-e3b9-422c-990b-633bb9f6a892" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_d5e55418-b6db-4c5d-9055-365302db48f6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_b6e025b3-dd89-40f8-98f4-1b4f3bb0edd5" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_d5e55418-b6db-4c5d-9055-365302db48f6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_cbeafad2-d825-4b01-a8e3-2941b15f40ce" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d5e55418-b6db-4c5d-9055-365302db48f6" xlink:to="loc_srt_ProductOrServiceAxis_cbeafad2-d825-4b01-a8e3-2941b15f40ce" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_cbeafad2-d825-4b01-a8e3-2941b15f40ce_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_cbeafad2-d825-4b01-a8e3-2941b15f40ce" xlink:to="loc_srt_ProductsAndServicesDomain_cbeafad2-d825-4b01-a8e3-2941b15f40ce_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_76fddcfd-c3ec-4be5-83e2-eddfe4920f4f" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_cbeafad2-d825-4b01-a8e3-2941b15f40ce" xlink:to="loc_srt_ProductsAndServicesDomain_76fddcfd-c3ec-4be5-83e2-eddfe4920f4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TransactionRevenueNetMember_31ea8fad-f1a9-4e13-8406-af042b27ac9a" xlink:href="bakkt-20211231.xsd#bakkt_TransactionRevenueNetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_76fddcfd-c3ec-4be5-83e2-eddfe4920f4f" xlink:to="loc_bakkt_TransactionRevenueNetMember_31ea8fad-f1a9-4e13-8406-af042b27ac9a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SubscriptionAndServiceRevenueMember_7bb5ce65-1b60-4a76-82ce-36658fb61b6a" xlink:href="bakkt-20211231.xsd#bakkt_SubscriptionAndServiceRevenueMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_76fddcfd-c3ec-4be5-83e2-eddfe4920f4f" xlink:to="loc_bakkt_SubscriptionAndServiceRevenueMember_7bb5ce65-1b60-4a76-82ce-36658fb61b6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelAxis_65e4fb9f-af49-4789-a41f-3db516b74805" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_d5e55418-b6db-4c5d-9055-365302db48f6" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelAxis_65e4fb9f-af49-4789-a41f-3db516b74805" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_65e4fb9f-af49-4789-a41f-3db516b74805_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_65e4fb9f-af49-4789-a41f-3db516b74805" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_65e4fb9f-af49-4789-a41f-3db516b74805_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerSalesChannelDomain_c7732724-0bda-402f-8c57-7af1ab0a5d0d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ContractWithCustomerSalesChannelDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelAxis_65e4fb9f-af49-4789-a41f-3db516b74805" xlink:to="loc_us-gaap_ContractWithCustomerSalesChannelDomain_c7732724-0bda-402f-8c57-7af1ab0a5d0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SalesChannelDigitalAssetMarketplaceMember_8c644669-b19a-4a7f-a9d0-8714d016c72a" xlink:href="bakkt-20211231.xsd#bakkt_SalesChannelDigitalAssetMarketplaceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_c7732724-0bda-402f-8c57-7af1ab0a5d0d" xlink:to="loc_bakkt_SalesChannelDigitalAssetMarketplaceMember_8c644669-b19a-4a7f-a9d0-8714d016c72a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SalesChannelLoyaltyRedemptionPlatformMember_35297a4c-7d8d-486d-b7e5-e2b45017f543" xlink:href="bakkt-20211231.xsd#bakkt_SalesChannelLoyaltyRedemptionPlatformMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_c7732724-0bda-402f-8c57-7af1ab0a5d0d" xlink:to="loc_bakkt_SalesChannelLoyaltyRedemptionPlatformMember_35297a4c-7d8d-486d-b7e5-e2b45017f543" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SalesChannelAlternativePaymentPlatformMember_67766f72-9b1f-40c8-ace6-498e2bfa2140" xlink:href="bakkt-20211231.xsd#bakkt_SalesChannelAlternativePaymentPlatformMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ContractWithCustomerSalesChannelDomain_c7732724-0bda-402f-8c57-7af1ab0a5d0d" xlink:to="loc_bakkt_SalesChannelAlternativePaymentPlatformMember_67766f72-9b1f-40c8-ace6-498e2bfa2140" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/RevenuefromContractswithCustomersDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#RevenuefromContractswithCustomersDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/RevenuefromContractswithCustomersDetails" xlink:type="extended" id="iac1cc2c2bbfd4c3d965805f293584da1_RevenuefromContractswithCustomersDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_84cbf0f2-b38c-4115-890c-e23bf80b2adc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments_b2011cd0-5725-4f4b-b388-08047947bcac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_84cbf0f2-b38c-4115-890c-e23bf80b2adc" xlink:to="loc_us-gaap_NumberOfReportableSegments_b2011cd0-5725-4f4b-b388-08047947bcac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_30c19987-24f7-4b8a-9f1f-b822657623e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_84cbf0f2-b38c-4115-890c-e23bf80b2adc" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_30c19987-24f7-4b8a-9f1f-b822657623e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RevenueRemainingPerformanceObligationRevenueRecognitionPeriod_337d0108-059c-4fab-ad9b-861c59ea62a7" xlink:href="bakkt-20211231.xsd#bakkt_RevenueRemainingPerformanceObligationRevenueRecognitionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_84cbf0f2-b38c-4115-890c-e23bf80b2adc" xlink:to="loc_bakkt_RevenueRemainingPerformanceObligationRevenueRecognitionPeriod_337d0108-059c-4fab-ad9b-861c59ea62a7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostAmortization_04b20377-1e80-401a-bf1d-927817f7575a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedContractCostAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_84cbf0f2-b38c-4115-890c-e23bf80b2adc" xlink:to="loc_us-gaap_CapitalizedContractCostAmortization_04b20377-1e80-401a-bf1d-927817f7575a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_420232c9-9df2-4574-9762-e057bc2786f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_84cbf0f2-b38c-4115-890c-e23bf80b2adc" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_420232c9-9df2-4574-9762-e057bc2786f9" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_15a06171-129b-45fe-a0f9-d59d958b57a1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_420232c9-9df2-4574-9762-e057bc2786f9" xlink:to="loc_srt_ProductOrServiceAxis_15a06171-129b-45fe-a0f9-d59d958b57a1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_15a06171-129b-45fe-a0f9-d59d958b57a1_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_15a06171-129b-45fe-a0f9-d59d958b57a1" xlink:to="loc_srt_ProductsAndServicesDomain_15a06171-129b-45fe-a0f9-d59d958b57a1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4f80a7cd-bfea-4b22-8386-bc84d8beeaf0" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_15a06171-129b-45fe-a0f9-d59d958b57a1" xlink:to="loc_srt_ProductsAndServicesDomain_4f80a7cd-bfea-4b22-8386-bc84d8beeaf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SubscriptionFeesMember_44532702-ff1d-4f5a-b17c-93876944e292" xlink:href="bakkt-20211231.xsd#bakkt_SubscriptionFeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4f80a7cd-bfea-4b22-8386-bc84d8beeaf0" xlink:to="loc_bakkt_SubscriptionFeesMember_44532702-ff1d-4f5a-b17c-93876944e292" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ServiceFeesMember_712276c1-a35a-4313-855a-0720ca23d237" xlink:href="bakkt-20211231.xsd#bakkt_ServiceFeesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_4f80a7cd-bfea-4b22-8386-bc84d8beeaf0" xlink:to="loc_bakkt_ServiceFeesMember_712276c1-a35a-4313-855a-0720ca23d237" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d761d741-86fc-4cc8-ba87-2d4d73145a15" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_420232c9-9df2-4574-9762-e057bc2786f9" xlink:to="loc_srt_RangeAxis_d761d741-86fc-4cc8-ba87-2d4d73145a15" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d761d741-86fc-4cc8-ba87-2d4d73145a15_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_d761d741-86fc-4cc8-ba87-2d4d73145a15" xlink:to="loc_srt_RangeMember_d761d741-86fc-4cc8-ba87-2d4d73145a15_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_1ddacb85-b0c9-4d72-b11e-6c0da4e4ef09" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_d761d741-86fc-4cc8-ba87-2d4d73145a15" xlink:to="loc_srt_RangeMember_1ddacb85-b0c9-4d72-b11e-6c0da4e4ef09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_bc87e8db-7fc2-4281-b446-dda9b358b8d1" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_1ddacb85-b0c9-4d72-b11e-6c0da4e4ef09" xlink:to="loc_srt_MinimumMember_bc87e8db-7fc2-4281-b446-dda9b358b8d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_d8b6738e-8c5c-4b60-b2cc-c193374c682d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_1ddacb85-b0c9-4d72-b11e-6c0da4e4ef09" xlink:to="loc_srt_MaximumMember_d8b6738e-8c5c-4b60-b2cc-c193374c682d" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionNarrativeDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionNarrativeDetails" xlink:type="extended" id="i66fb6a9acba74ab1a7885587dcc62e50_BusinessCombinationandAcquisitionNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingAgreementMaximumNoncontrollingInterestVotingPowerPercentage_7f880421-075c-4b87-ab54-0ae015cead67" xlink:href="bakkt-20211231.xsd#bakkt_VotingAgreementMaximumNoncontrollingInterestVotingPowerPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_VotingAgreementMaximumNoncontrollingInterestVotingPowerPercentage_7f880421-075c-4b87-ab54-0ae015cead67" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_5a00c051-46be-4749-aabf-793a120d9092" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_5a00c051-46be-4749-aabf-793a120d9092" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingAgreementVotingPowerOfCommonStockThreshold_84ab9193-e0b9-415f-8e76-192835f82cae" xlink:href="bakkt-20211231.xsd#bakkt_VotingAgreementVotingPowerOfCommonStockThreshold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_VotingAgreementVotingPowerOfCommonStockThreshold_84ab9193-e0b9-415f-8e76-192835f82cae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingAgreementNumberOfBoardMembersFromNoncontrollingInterest_2752f3a1-ad9b-4656-83c1-3907774b7671" xlink:href="bakkt-20211231.xsd#bakkt_VotingAgreementNumberOfBoardMembersFromNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_VotingAgreementNumberOfBoardMembersFromNoncontrollingInterest_2752f3a1-ad9b-4656-83c1-3907774b7671" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingAgreementTotalNumberOfBoardMembers_f5f9db04-0282-4920-bd76-c1c72d376009" xlink:href="bakkt-20211231.xsd#bakkt_VotingAgreementTotalNumberOfBoardMembers"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_VotingAgreementTotalNumberOfBoardMembers_f5f9db04-0282-4920-bd76-c1c72d376009" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccount_0a793043-efc9-4462-a5f5-6dd765f60984" xlink:href="bakkt-20211231.xsd#bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_ProceedsFromSaleOfStockAndIssuanceOfWarrantsPlacedInTrustAccount_0a793043-efc9-4462-a5f5-6dd765f60984" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PaymentsForRepurchaseOfTemporaryEquity_0780e410-fb96-4673-9526-7411abb6cafd" xlink:href="bakkt-20211231.xsd#bakkt_PaymentsForRepurchaseOfTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_PaymentsForRepurchaseOfTemporaryEquity_0780e410-fb96-4673-9526-7411abb6cafd" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquityStockRepurchasedDuringThePeriodShares_ac782465-c6b0-4178-920e-d33c705b0646" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquityStockRepurchasedDuringThePeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_TemporaryEquityStockRepurchasedDuringThePeriodShares_ac782465-c6b0-4178-920e-d33c705b0646" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TemporaryEquitySharesConversionOfConvertibleSecurities_f25540b2-b590-427f-9eb0-03803a2ddb47" xlink:href="bakkt-20211231.xsd#bakkt_TemporaryEquitySharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_TemporaryEquitySharesConversionOfConvertibleSecurities_f25540b2-b590-427f-9eb0-03803a2ddb47" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityParOrStatedValuePerShare_961337c6-190f-47fe-b977-73843802f48d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TemporaryEquityParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_TemporaryEquityParOrStatedValuePerShare_961337c6-190f-47fe-b977-73843802f48d" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_a2eb57d8-f137-4416-bd46-3c3cd91fbd03" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_a2eb57d8-f137-4416-bd46-3c3cd91fbd03" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_9a02b008-544e-4bcc-a5ef-9356268553ba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_9a02b008-544e-4bcc-a5ef-9356268553ba" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessAcquisitionSuccessFee_3cc451a7-130a-4cab-b7a4-d5e7e8848d15" xlink:href="bakkt-20211231.xsd#bakkt_BusinessAcquisitionSuccessFee"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_BusinessAcquisitionSuccessFee_3cc451a7-130a-4cab-b7a4-d5e7e8848d15" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PaymentOfUnderwritingCosts_52a53538-7032-44da-bc88-5d0efd0ac845" xlink:href="bakkt-20211231.xsd#bakkt_PaymentOfUnderwritingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_PaymentOfUnderwritingCosts_52a53538-7032-44da-bc88-5d0efd0ac845" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfStockIssuanceCosts_afbf79c6-50b2-43dd-a645-ec7fae4608b3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsOfStockIssuanceCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_PaymentsOfStockIssuanceCosts_afbf79c6-50b2-43dd-a645-ec7fae4608b3" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_1974b52e-a006-4592-a9db-b2f6ddbe1245" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_1974b52e-a006-4592-a9db-b2f6ddbe1245" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_311630ca-c826-41dc-b848-5febe3f4c7f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_311630ca-c826-41dc-b848-5febe3f4c7f0" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PaymentOfDirectorAndOfficerInsurance_f6dfac41-0f2a-4f3d-8daf-2225a6728a98" xlink:href="bakkt-20211231.xsd#bakkt_PaymentOfDirectorAndOfficerInsurance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_PaymentOfDirectorAndOfficerInsurance_f6dfac41-0f2a-4f3d-8daf-2225a6728a98" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_bb7585d4-49e4-4674-9e84-ab7fa84f512b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_CommonStockSharesIssued_bb7585d4-49e4-4674-9e84-ab7fa84f512b" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_0e083b0d-ce15-4079-8a12-b9b2193d37dd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_0e083b0d-ce15-4079-8a12-b9b2193d37dd" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_396c78f4-7320-40b3-a78e-9d84b727e697" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MinorityInterestOwnershipPercentageByParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByParent_396c78f4-7320-40b3-a78e-9d84b727e697" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_69719eee-c173-475f-9b4c-e51fbd9b83e7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_Goodwill_69719eee-c173-475f-9b4c-e51fbd9b83e7" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_71531a27-be4d-4a39-8dbc-48510d8a0e0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_71531a27-be4d-4a39-8dbc-48510d8a0e0b" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_e77be6b6-9691-45ff-a1b5-b810fe06fa09" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_e77be6b6-9691-45ff-a1b5-b810fe06fa09" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationFairValueContributedByAffiliatedEntity_43cc82e9-379d-44ce-8337-8c23b5debd2c" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationFairValueContributedByAffiliatedEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_bakkt_BusinessCombinationFairValueContributedByAffiliatedEntity_43cc82e9-379d-44ce-8337-8c23b5debd2c" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_c89e6737-da2a-4274-baaf-4e84e608c6f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_c89e6737-da2a-4274-baaf-4e84e608c6f9" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_1346b324-3040-4067-8c61-35f024067570" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_1346b324-3040-4067-8c61-35f024067570" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_968d6205-23b9-4389-ba93-08a977aa9289" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_c6692403-9c87-47dd-8cec-278f76900471" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_c6692403-9c87-47dd-8cec-278f76900471" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c6692403-9c87-47dd-8cec-278f76900471_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c6692403-9c87-47dd-8cec-278f76900471" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c6692403-9c87-47dd-8cec-278f76900471_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2237d473-f9d7-467d-ad34-7da177b593d9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c6692403-9c87-47dd-8cec-278f76900471" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2237d473-f9d7-467d-ad34-7da177b593d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_2fbdccd3-34c4-4a0c-a929-2a8e30714a4d" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2237d473-f9d7-467d-ad34-7da177b593d9" xlink:to="loc_bakkt_OpcoMember_2fbdccd3-34c4-4a0c-a929-2a8e30714a4d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_Bridge2SolutionsLLCMember_d56775f5-56c0-4123-8d42-2decdec67843" xlink:href="bakkt-20211231.xsd#bakkt_Bridge2SolutionsLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_2237d473-f9d7-467d-ad34-7da177b593d9" xlink:to="loc_bakkt_Bridge2SolutionsLLCMember_d56775f5-56c0-4123-8d42-2decdec67843" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_ad0fb7ee-8305-4385-b576-118372e2b6db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_us-gaap_StatementClassOfStockAxis_ad0fb7ee-8305-4385-b576-118372e2b6db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ad0fb7ee-8305-4385-b576-118372e2b6db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ad0fb7ee-8305-4385-b576-118372e2b6db" xlink:to="loc_us-gaap_ClassOfStockDomain_ad0fb7ee-8305-4385-b576-118372e2b6db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_7ea00f09-d464-4841-96f1-3e880dec3875" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_ad0fb7ee-8305-4385-b576-118372e2b6db" xlink:to="loc_us-gaap_ClassOfStockDomain_7ea00f09-d464-4841-96f1-3e880dec3875" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_0803f6e0-c682-45a6-ad67-1c14d8956a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7ea00f09-d464-4841-96f1-3e880dec3875" xlink:to="loc_us-gaap_CommonClassAMember_0803f6e0-c682-45a6-ad67-1c14d8956a6c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonClassVMember_574a712b-71c2-42a6-866f-28b2659c82f3" xlink:href="bakkt-20211231.xsd#bakkt_CommonClassVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7ea00f09-d464-4841-96f1-3e880dec3875" xlink:to="loc_bakkt_CommonClassVMember_574a712b-71c2-42a6-866f-28b2659c82f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassBMember_8e5b6289-2273-43bf-b17f-b6a900e94214" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_7ea00f09-d464-4841-96f1-3e880dec3875" xlink:to="loc_us-gaap_CommonClassBMember_8e5b6289-2273-43bf-b17f-b6a900e94214" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis_ac297e1b-c35f-4fbc-b356-ebb646e632a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_us-gaap_SubsidiarySaleOfStockAxis_ac297e1b-c35f-4fbc-b356-ebb646e632a3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_ac297e1b-c35f-4fbc-b356-ebb646e632a3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_ac297e1b-c35f-4fbc-b356-ebb646e632a3" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_ac297e1b-c35f-4fbc-b356-ebb646e632a3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain_13682dbf-0848-400c-b85e-cd41a944711b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis_ac297e1b-c35f-4fbc-b356-ebb646e632a3" xlink:to="loc_us-gaap_SaleOfStockNameOfTransactionDomain_13682dbf-0848-400c-b85e-cd41a944711b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrivatePlacementMember_78eee159-51a7-46dd-9639-64935e9e6203" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PrivatePlacementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain_13682dbf-0848-400c-b85e-cd41a944711b" xlink:to="loc_us-gaap_PrivatePlacementMember_78eee159-51a7-46dd-9639-64935e9e6203" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_4d01d704-e8af-4aca-81bd-222aa9ca0b50" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_srt_OwnershipAxis_4d01d704-e8af-4aca-81bd-222aa9ca0b50" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_4d01d704-e8af-4aca-81bd-222aa9ca0b50_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_4d01d704-e8af-4aca-81bd-222aa9ca0b50" xlink:to="loc_srt_OwnershipDomain_4d01d704-e8af-4aca-81bd-222aa9ca0b50_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_e5edf0b4-6625-439d-8d69-f8777c64952d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_4d01d704-e8af-4aca-81bd-222aa9ca0b50" xlink:to="loc_srt_OwnershipDomain_e5edf0b4-6625-439d-8d69-f8777c64952d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_6c13f54b-10e0-4606-b858-ab46fc013a56" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_e5edf0b4-6625-439d-8d69-f8777c64952d" xlink:to="loc_bakkt_OpcoMember_6c13f54b-10e0-4606-b858-ab46fc013a56" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_77abdea5-074a-47b5-a226-a8d988590c02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_77abdea5-074a-47b5-a226-a8d988590c02" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_77abdea5-074a-47b5-a226-a8d988590c02_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_77abdea5-074a-47b5-a226-a8d988590c02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_77abdea5-074a-47b5-a226-a8d988590c02_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e466f4bb-ef9d-4fd9-aaf3-f00f707acb16" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_77abdea5-074a-47b5-a226-a8d988590c02" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e466f4bb-ef9d-4fd9-aaf3-f00f707acb16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_438055bb-2d04-456a-9713-19f467f94da2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e466f4bb-ef9d-4fd9-aaf3-f00f707acb16" xlink:to="loc_us-gaap_CustomerRelationshipsMember_438055bb-2d04-456a-9713-19f467f94da2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_e3740c4e-b010-4946-95fd-04f688d5923d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e466f4bb-ef9d-4fd9-aaf3-f00f707acb16" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_e3740c4e-b010-4946-95fd-04f688d5923d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_0327ce73-c8d8-4869-89f3-251991689464" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_e466f4bb-ef9d-4fd9-aaf3-f00f707acb16" xlink:to="loc_us-gaap_TradeNamesMember_0327ce73-c8d8-4869-89f3-251991689464" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_1e31a4da-fe26-4b61-8a3e-bb8b5713b9df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockByUniqueDescriptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_1e31a4da-fe26-4b61-8a3e-bb8b5713b9df" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_1e31a4da-fe26-4b61-8a3e-bb8b5713b9df_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_1e31a4da-fe26-4b61-8a3e-bb8b5713b9df" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_1e31a4da-fe26-4b61-8a3e-bb8b5713b9df_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_641bd5c0-3987-41d4-9073-4c400da614d8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_1e31a4da-fe26-4b61-8a3e-bb8b5713b9df" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_641bd5c0-3987-41d4-9073-4c400da614d8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember_2484e60c-a68c-4d88-a5e7-998bf374d863" xlink:href="bakkt-20211231.xsd#bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_641bd5c0-3987-41d4-9073-4c400da614d8" xlink:to="loc_bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember_2484e60c-a68c-4d88-a5e7-998bf374d863" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ConversionOfClassAOrdinarySharesAndClassBOrdinarySharesIntoClassACommonStockMember_af76ac6a-0fa7-465c-a429-77ec5adbd8b2" xlink:href="bakkt-20211231.xsd#bakkt_ConversionOfClassAOrdinarySharesAndClassBOrdinarySharesIntoClassACommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_641bd5c0-3987-41d4-9073-4c400da614d8" xlink:to="loc_bakkt_ConversionOfClassAOrdinarySharesAndClassBOrdinarySharesIntoClassACommonStockMember_af76ac6a-0fa7-465c-a429-77ec5adbd8b2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ConversionOfOpcoIncentiveUnitsMember_33d52594-da67-4e8b-b58e-59f153f710c7" xlink:href="bakkt-20211231.xsd#bakkt_ConversionOfOpcoIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_641bd5c0-3987-41d4-9073-4c400da614d8" xlink:to="loc_bakkt_ConversionOfOpcoIncentiveUnitsMember_33d52594-da67-4e8b-b58e-59f153f710c7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_25be5185-15a4-4a57-99c8-3f0c5d3b6827" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_03f53723-e2a3-4935-bddf-d02bd1479935" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_25be5185-15a4-4a57-99c8-3f0c5d3b6827" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_25be5185-15a4-4a57-99c8-3f0c5d3b6827_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_25be5185-15a4-4a57-99c8-3f0c5d3b6827" xlink:to="loc_us-gaap_EquityComponentDomain_25be5185-15a4-4a57-99c8-3f0c5d3b6827_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_9cd799f0-2c74-47f2-a6ed-0b2b82013ae8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_25be5185-15a4-4a57-99c8-3f0c5d3b6827" xlink:to="loc_us-gaap_EquityComponentDomain_9cd799f0-2c74-47f2-a6ed-0b2b82013ae8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_b0d6e749-24af-4cba-978e-7d4595a69619" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9cd799f0-2c74-47f2-a6ed-0b2b82013ae8" xlink:to="loc_us-gaap_CommonStockMember_b0d6e749-24af-4cba-978e-7d4595a69619" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOkpoConsiderationTransferredDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionOkpoConsiderationTransferredDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOkpoConsiderationTransferredDetails" xlink:type="extended" id="i3b815c37414c40a58bc981341c3fc69e_BusinessCombinationandAcquisitionOkpoConsiderationTransferredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_58fa199e-c5ab-4d66-9f7d-e683e9c97cf5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_58fa199e-c5ab-4d66-9f7d-e683e9c97cf5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PaymentsToRedeemTemporaryEquity_4e68d56a-bdd7-441c-b370-602eec6a8737" xlink:href="bakkt-20211231.xsd#bakkt_PaymentsToRedeemTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_bakkt_PaymentsToRedeemTemporaryEquity_4e68d56a-bdd7-441c-b370-602eec6a8737" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PaymentsForBusinessAcquisitionsCosts_b2c06330-bbd8-4147-bf15-d838ec88fef7" xlink:href="bakkt-20211231.xsd#bakkt_PaymentsForBusinessAcquisitionsCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_bakkt_PaymentsForBusinessAcquisitionsCosts_b2c06330-bbd8-4147-bf15-d838ec88fef7" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_cf1aea0d-0192-41b1-a427-ee55069a742c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_cf1aea0d-0192-41b1-a427-ee55069a742c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_10ded4c4-be33-4beb-96e1-fc3b3932c9f0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued_10ded4c4-be33-4beb-96e1-fc3b3932c9f0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionSharePrice_f607d544-55a0-42eb-8853-6d668a4c58ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionSharePrice"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_us-gaap_BusinessAcquisitionSharePrice_f607d544-55a0-42eb-8853-6d668a4c58ca" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationConsiderationTransferredEquityInterestsIssued_dca41687-d5d1-4a3f-878e-6bea0d161e7a" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationConsiderationTransferredEquityInterestsIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_bakkt_BusinessCombinationConsiderationTransferredEquityInterestsIssued_dca41687-d5d1-4a3f-878e-6bea0d161e7a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationConsiderationTransferredEquityInterestsIssuable_471e5b28-fc57-478b-aa3c-ca8a0ea97bd8" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationConsiderationTransferredEquityInterestsIssuable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_bakkt_BusinessCombinationConsiderationTransferredEquityInterestsIssuable_471e5b28-fc57-478b-aa3c-ca8a0ea97bd8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable_874fcd7e-ea79-41a3-944b-addfca298024" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRedemptionOfTemporaryEquityPercentage_6e7c81b4-bc32-465b-9d29-67d9d46d85fe" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRedemptionOfTemporaryEquityPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_bakkt_BusinessCombinationRedemptionOfTemporaryEquityPercentage_6e7c81b4-bc32-465b-9d29-67d9d46d85fe" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationPercentageOfAwardsVested_98a772b5-ff87-43a9-9f82-e5ec5394dd0c" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationPercentageOfAwardsVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_bakkt_BusinessCombinationPercentageOfAwardsVested_98a772b5-ff87-43a9-9f82-e5ec5394dd0c" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4a0d99e0-f2b4-4945-9d52-4902b406c7f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_84a6f269-9ebd-4264-b7ca-74d4282989d5" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4a0d99e0-f2b4-4945-9d52-4902b406c7f8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_eaaa99e8-1e84-47d1-b461-39fc144f88bd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_4a0d99e0-f2b4-4945-9d52-4902b406c7f8" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_eaaa99e8-1e84-47d1-b461-39fc144f88bd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_eaaa99e8-1e84-47d1-b461-39fc144f88bd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_eaaa99e8-1e84-47d1-b461-39fc144f88bd" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_eaaa99e8-1e84-47d1-b461-39fc144f88bd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0fda44a9-b798-480a-b39f-9f26757059d3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_eaaa99e8-1e84-47d1-b461-39fc144f88bd" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0fda44a9-b798-480a-b39f-9f26757059d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_83e8ed8e-9ccc-474b-b6a0-fbe7d224dedf" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0fda44a9-b798-480a-b39f-9f26757059d3" xlink:to="loc_bakkt_OpcoMember_83e8ed8e-9ccc-474b-b6a0-fbe7d224dedf" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOpkoAssetsAcquiredAndLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionOpkoAssetsAcquiredAndLiabilitiesAssumedDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOpkoAssetsAcquiredAndLiabilitiesAssumedDetails" xlink:type="extended" id="iadabe5616bf04ecba45d92119f971fc9_BusinessCombinationandAcquisitionOpkoAssetsAcquiredAndLiabilitiesAssumedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_8c2a47c3-13df-48da-96f3-a8629d2b5aba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_8c2a47c3-13df-48da-96f3-a8629d2b5aba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_265ee5a2-e2f1-43ae-bd0a-4940688a1e00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_265ee5a2-e2f1-43ae-bd0a-4940688a1e00" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_0ad58122-f1d3-4f5a-8084-ee92c38354fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_0ad58122-f1d3-4f5a-8084-ee92c38354fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_c44ad1a4-045f-41bd-be49-6b9a70389319" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_c44ad1a4-045f-41bd-be49-6b9a70389319" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositAssets_dd023d67-2fe8-4f3e-8cb4-07b49c6dd3fb" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDepositAssets_dd023d67-2fe8-4f3e-8cb4-07b49c6dd3fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_64663f9f-1b9c-45f1-9f5a-d329707b5299" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_64663f9f-1b9c-45f1-9f5a-d329707b5299" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_ec7d606f-909d-401c-9c7c-9d2894e74a2e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_Goodwill_ec7d606f-909d-401c-9c7c-9d2894e74a2e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_cb8e9259-439c-49ec-8cbc-579704bda2f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_cb8e9259-439c-49ec-8cbc-579704bda2f7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_f46f90e1-e33a-4173-b20a-15436761925a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_f46f90e1-e33a-4173-b20a-15436761925a" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill_3bc02d2b-d4cb-4335-85e7-2e9e836a4edf" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill_3bc02d2b-d4cb-4335-85e7-2e9e836a4edf" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_8cfcf435-e81e-432f-9b39-c250eaccc500" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_8cfcf435-e81e-432f-9b39-c250eaccc500" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDueToRelatedParty_7e096ce6-eb0b-4d74-b965-f50056d32a4b" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDueToRelatedParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDueToRelatedParty_7e096ce6-eb0b-4d74-b965-f50056d32a4b" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_7f31f633-7d67-4c70-b66f-27fa0c2a9c81" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesOther_7f31f633-7d67-4c70-b66f-27fa0c2a9c81" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_4cb25b62-7543-4bcd-bd34-d24c60ea7a80" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_4cb25b62-7543-4bcd-bd34-d24c60ea7a80" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedParticipationUnitLiability_03002f93-1321-46de-ab6f-9672292d5af2" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedParticipationUnitLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedParticipationUnitLiability_03002f93-1321-46de-ab6f-9672292d5af2" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_8ac6a20d-fdc8-4044-9f5f-ff1da33b0e42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_8ac6a20d-fdc8-4044-9f5f-ff1da33b0e42" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenueNoncurrent_affc6537-2d44-4374-b742-693645d03621" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenueNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenueNoncurrent_affc6537-2d44-4374-b742-693645d03621" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_1455e482-b04d-44df-9c91-c975686fd2f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_1455e482-b04d-44df-9c91-c975686fd2f7" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_d392799a-0eeb-4cef-a162-3fb52ab748af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_d392799a-0eeb-4cef-a162-3fb52ab748af" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_051a8f94-eb98-4ec8-939b-0b9d030a582f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_051a8f94-eb98-4ec8-939b-0b9d030a582f" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_12ec4833-33c6-4e01-8da5-76a4fc0713a2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_045c5775-8432-47ee-8d16-1599d455ac97" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_12ec4833-33c6-4e01-8da5-76a4fc0713a2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_870e3d87-baca-4061-bce4-448d1af1e62f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_12ec4833-33c6-4e01-8da5-76a4fc0713a2" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_870e3d87-baca-4061-bce4-448d1af1e62f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_870e3d87-baca-4061-bce4-448d1af1e62f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_870e3d87-baca-4061-bce4-448d1af1e62f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_870e3d87-baca-4061-bce4-448d1af1e62f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_eb7a293a-1880-4874-9a51-ade49a48d3ab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_870e3d87-baca-4061-bce4-448d1af1e62f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_eb7a293a-1880-4874-9a51-ade49a48d3ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_46042420-2691-495a-a4ea-0069ab8260c8" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_eb7a293a-1880-4874-9a51-ade49a48d3ab" xlink:to="loc_bakkt_OpcoMember_46042420-2691-495a-a4ea-0069ab8260c8" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOpkoFiniteLivedIntangibleAssetsAcquiredDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionOpkoFiniteLivedIntangibleAssetsAcquiredDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOpkoFiniteLivedIntangibleAssetsAcquiredDetails" xlink:type="extended" id="i8ccc3e170429441ba407359e9460b107_BusinessCombinationandAcquisitionOpkoFiniteLivedIntangibleAssetsAcquiredDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_ae027257-0c46-4f09-8b71-7874786ef767" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefinitelivedIntangibleAssetsAcquired_fc310b23-43e2-4f2d-991b-f22183f7b247" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefinitelivedIntangibleAssetsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_ae027257-0c46-4f09-8b71-7874786ef767" xlink:to="loc_us-gaap_IndefinitelivedIntangibleAssetsAcquired_fc310b23-43e2-4f2d-991b-f22183f7b247" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_d0ae855a-283d-4a16-89c7-3fb0a4bfda82" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_ae027257-0c46-4f09-8b71-7874786ef767" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_d0ae855a-283d-4a16-89c7-3fb0a4bfda82" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_e4313078-3f6d-4d38-948a-f55cb3946f54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_ae027257-0c46-4f09-8b71-7874786ef767" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_e4313078-3f6d-4d38-948a-f55cb3946f54" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_8103ae44-dbc4-4817-8a7b-1d9f5a377c01" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_ae027257-0c46-4f09-8b71-7874786ef767" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_8103ae44-dbc4-4817-8a7b-1d9f5a377c01" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_a8756d27-ae83-4b28-b7d6-e93361e796d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsLineItems_ae027257-0c46-4f09-8b71-7874786ef767" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_a8756d27-ae83-4b28-b7d6-e93361e796d4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_93d96831-4b9f-4e1a-b315-702140332232" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_a8756d27-ae83-4b28-b7d6-e93361e796d4" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_93d96831-4b9f-4e1a-b315-702140332232" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_93d96831-4b9f-4e1a-b315-702140332232_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_93d96831-4b9f-4e1a-b315-702140332232" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_93d96831-4b9f-4e1a-b315-702140332232_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_e42fa189-92eb-48b5-a957-963ab60463db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_93d96831-4b9f-4e1a-b315-702140332232" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_e42fa189-92eb-48b5-a957-963ab60463db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_37e6d55d-fd66-439b-9079-18e34963c3a5" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_e42fa189-92eb-48b5-a957-963ab60463db" xlink:to="loc_bakkt_OpcoMember_37e6d55d-fd66-439b-9079-18e34963c3a5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_e9452796-a66c-43a9-a0ac-64d58388b4ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_a8756d27-ae83-4b28-b7d6-e93361e796d4" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_e9452796-a66c-43a9-a0ac-64d58388b4ce" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_e9452796-a66c-43a9-a0ac-64d58388b4ce_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_e9452796-a66c-43a9-a0ac-64d58388b4ce" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_e9452796-a66c-43a9-a0ac-64d58388b4ce_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_c0169746-f4ea-41ce-bc58-60b586d96e31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_e9452796-a66c-43a9-a0ac-64d58388b4ce" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_c0169746-f4ea-41ce-bc58-60b586d96e31" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_aac0da93-2900-460c-8dca-7011643a7863" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_c0169746-f4ea-41ce-bc58-60b586d96e31" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_aac0da93-2900-460c-8dca-7011643a7863" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicenseMember_4e955f1e-a0e7-4b8a-b4e8-542e3d71a944" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LicenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_c0169746-f4ea-41ce-bc58-60b586d96e31" xlink:to="loc_us-gaap_LicenseMember_4e955f1e-a0e7-4b8a-b4e8-542e3d71a944" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_184051aa-7d7d-411a-b70a-2c53a319f52d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTable_a8756d27-ae83-4b28-b7d6-e93361e796d4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_184051aa-7d7d-411a-b70a-2c53a319f52d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_184051aa-7d7d-411a-b70a-2c53a319f52d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_184051aa-7d7d-411a-b70a-2c53a319f52d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_184051aa-7d7d-411a-b70a-2c53a319f52d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a31572c2-6908-4a80-922c-c5a257dca884" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_184051aa-7d7d-411a-b70a-2c53a319f52d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a31572c2-6908-4a80-922c-c5a257dca884" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_aa51148a-e01d-4bbb-907e-129479392c95" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a31572c2-6908-4a80-922c-c5a257dca884" xlink:to="loc_us-gaap_CustomerRelationshipsMember_aa51148a-e01d-4bbb-907e-129479392c95" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_3b4b9b3b-4dde-4a93-9f80-a86c6d49f295" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a31572c2-6908-4a80-922c-c5a257dca884" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_3b4b9b3b-4dde-4a93-9f80-a86c6d49f295" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOpkoProFormaInformationDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionOpkoProFormaInformationDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionOpkoProFormaInformationDetails" xlink:type="extended" id="if554bec32c4640378eb53665b5eff6c0_BusinessCombinationandAcquisitionOpkoProFormaInformationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_dabd14af-f66f-49fa-a572-12b397b7dbc1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_179e772c-0f97-4af3-9506-6875fc16daf1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_dabd14af-f66f-49fa-a572-12b397b7dbc1" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_179e772c-0f97-4af3-9506-6875fc16daf1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_039db3ef-d106-4ad2-9d3d-31bd709dbb33" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_dabd14af-f66f-49fa-a572-12b397b7dbc1" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_039db3ef-d106-4ad2-9d3d-31bd709dbb33" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessAcquisitionProFormaNetIncomeLossAttributableToNoncontrollingInterest_6e7fbe2f-363e-44d6-8023-797aaa2bd91d" xlink:href="bakkt-20211231.xsd#bakkt_BusinessAcquisitionProFormaNetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_dabd14af-f66f-49fa-a572-12b397b7dbc1" xlink:to="loc_bakkt_BusinessAcquisitionProFormaNetIncomeLossAttributableToNoncontrollingInterest_6e7fbe2f-363e-44d6-8023-797aaa2bd91d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessAcquisitionProFormaNetIncomeLossAttributableToParent_430a8402-d2f1-4f91-b840-db5aa810c6bf" xlink:href="bakkt-20211231.xsd#bakkt_BusinessAcquisitionProFormaNetIncomeLossAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_dabd14af-f66f-49fa-a572-12b397b7dbc1" xlink:to="loc_bakkt_BusinessAcquisitionProFormaNetIncomeLossAttributableToParent_430a8402-d2f1-4f91-b840-db5aa810c6bf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_ac52df3d-8dea-4272-9091-07b2d5ae302a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_dabd14af-f66f-49fa-a572-12b397b7dbc1" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_ac52df3d-8dea-4272-9091-07b2d5ae302a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_73370176-d56b-47e2-91d4-b58c109e17e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_ac52df3d-8dea-4272-9091-07b2d5ae302a" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_73370176-d56b-47e2-91d4-b58c109e17e9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_73370176-d56b-47e2-91d4-b58c109e17e9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_73370176-d56b-47e2-91d4-b58c109e17e9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_73370176-d56b-47e2-91d4-b58c109e17e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0d14208a-3d0a-4634-b4f0-69be2bd44051" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_73370176-d56b-47e2-91d4-b58c109e17e9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0d14208a-3d0a-4634-b4f0-69be2bd44051" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_f6a171cd-b28e-422e-9f26-e0bc98dd8b33" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0d14208a-3d0a-4634-b4f0-69be2bd44051" xlink:to="loc_bakkt_OpcoMember_f6a171cd-b28e-422e-9f26-e0bc98dd8b33" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionBridge2SolutionsAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionBridge2SolutionsAssetsAcquiredandLiabilitiesAssumedDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionBridge2SolutionsAssetsAcquiredandLiabilitiesAssumedDetails" xlink:type="extended" id="ia01b79399a594bb4b38be92f531826ca_BusinessCombinationandAcquisitionBridge2SolutionsAssetsAcquiredandLiabilitiesAssumedDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_92a9f9b8-3215-4280-990c-831f884b9e87" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_92a9f9b8-3215-4280-990c-831f884b9e87" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_6b498352-5d3a-4c6a-8ce6-034ba1cb1969" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_6b498352-5d3a-4c6a-8ce6-034ba1cb1969" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_0e671e63-51b7-4e0d-a351-93e3834c4b6b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_0e671e63-51b7-4e0d-a351-93e3834c4b6b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_1dd6378e-22b0-4ed1-90d7-a192f6572ddf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_1dd6378e-22b0-4ed1-90d7-a192f6572ddf" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_f8b50467-2f40-43f3-a87a-04d8ecc637d4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_f8b50467-2f40-43f3-a87a-04d8ecc637d4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_b0305246-975c-47ce-903b-118145ae3c7e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_b0305246-975c-47ce-903b-118145ae3c7e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_ace3a31c-e40f-48ce-a058-b00fd5d57a10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_Goodwill_ace3a31c-e40f-48ce-a058-b00fd5d57a10" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill_27bfd504-ae75-44bf-9727-93c2f1e0bc95" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_bakkt_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssetsAndGoodwill_27bfd504-ae75-44bf-9727-93c2f1e0bc95" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_0cec0174-a8df-48c1-986d-62d30cfa2233" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_0cec0174-a8df-48c1-986d-62d30cfa2233" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_137ba5b1-7c4a-4a50-9550-e65d625d4fac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesDeferredRevenue_137ba5b1-7c4a-4a50-9550-e65d625d4fac" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_ed48f203-165b-48f2-b216-8a23a77f0dde" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilities_ed48f203-165b-48f2-b216-8a23a77f0dde" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_7d6c861b-6c9c-43cc-ad91-b55f97238530" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_7d6c861b-6c9c-43cc-ad91-b55f97238530" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_47c0e804-805b-4e63-a3d6-736ad652bbbc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_47c0e804-805b-4e63-a3d6-736ad652bbbc" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_d01991e4-f54c-408b-8834-fb2c96bc0f0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_d01991e4-f54c-408b-8834-fb2c96bc0f0a" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_180a858c-d197-47cd-872e-0b68befc25c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_b4d5db47-fd91-4538-94fc-08456146cfe3" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_180a858c-d197-47cd-872e-0b68befc25c5" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_c3c96548-3f2e-4892-8d23-16cef04d48db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_180a858c-d197-47cd-872e-0b68befc25c5" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_c3c96548-3f2e-4892-8d23-16cef04d48db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c3c96548-3f2e-4892-8d23-16cef04d48db_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c3c96548-3f2e-4892-8d23-16cef04d48db" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c3c96548-3f2e-4892-8d23-16cef04d48db_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c793deed-4b2f-4608-ba5f-82a33d856837" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_c3c96548-3f2e-4892-8d23-16cef04d48db" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c793deed-4b2f-4608-ba5f-82a33d856837" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_Bridge2SolutionsLLCMember_9ee548ab-429e-4915-87f1-2174b9ff65ad" xlink:href="bakkt-20211231.xsd#bakkt_Bridge2SolutionsLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_c793deed-4b2f-4608-ba5f-82a33d856837" xlink:to="loc_bakkt_Bridge2SolutionsLLCMember_9ee548ab-429e-4915-87f1-2174b9ff65ad" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45a1113e-50ec-4d1b-a6d9-dc9ee96825f5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_180a858c-d197-47cd-872e-0b68befc25c5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45a1113e-50ec-4d1b-a6d9-dc9ee96825f5" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_45a1113e-50ec-4d1b-a6d9-dc9ee96825f5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45a1113e-50ec-4d1b-a6d9-dc9ee96825f5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_45a1113e-50ec-4d1b-a6d9-dc9ee96825f5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46f747e6-5701-4974-a8a9-40364c73ef28" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45a1113e-50ec-4d1b-a6d9-dc9ee96825f5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46f747e6-5701-4974-a8a9-40364c73ef28" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_46b30c12-a6f9-4a9f-805a-8fb16f63fbb8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46f747e6-5701-4974-a8a9-40364c73ef28" xlink:to="loc_us-gaap_CustomerRelationshipsMember_46b30c12-a6f9-4a9f-805a-8fb16f63fbb8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_f56477b4-428c-4b1c-97de-e812fbd53e52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46f747e6-5701-4974-a8a9-40364c73ef28" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_f56477b4-428c-4b1c-97de-e812fbd53e52" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_ab4254e4-9e9f-4ad4-8d62-35499f20882e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_46f747e6-5701-4974-a8a9-40364c73ef28" xlink:to="loc_us-gaap_TradeNamesMember_ab4254e4-9e9f-4ad4-8d62-35499f20882e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/BusinessCombinationandAcquisitionBridge2SolutionsProFormaDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#BusinessCombinationandAcquisitionBridge2SolutionsProFormaDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/BusinessCombinationandAcquisitionBridge2SolutionsProFormaDetails" xlink:type="extended" id="ia140acb666f94c04b293a0f70181af0b_BusinessCombinationandAcquisitionBridge2SolutionsProFormaDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_0444e388-ce64-4b10-8660-5df42a41ad9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_00ff8bcb-770f-4a36-ad2e-4edf847a7a1e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0444e388-ce64-4b10-8660-5df42a41ad9d" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_00ff8bcb-770f-4a36-ad2e-4edf847a7a1e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_34372828-430d-4f4c-a0c2-5d955f520e8f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0444e388-ce64-4b10-8660-5df42a41ad9d" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_34372828-430d-4f4c-a0c2-5d955f520e8f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_12a655d4-fb42-49b7-bd1a-c5779e38573e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_0444e388-ce64-4b10-8660-5df42a41ad9d" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_12a655d4-fb42-49b7-bd1a-c5779e38573e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_7e82655f-f4bc-47d5-b17c-da4175c423c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_12a655d4-fb42-49b7-bd1a-c5779e38573e" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_7e82655f-f4bc-47d5-b17c-da4175c423c9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7e82655f-f4bc-47d5-b17c-da4175c423c9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7e82655f-f4bc-47d5-b17c-da4175c423c9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7e82655f-f4bc-47d5-b17c-da4175c423c9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3eb10fe2-dc13-4765-aaa3-c67aaefe57ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_7e82655f-f4bc-47d5-b17c-da4175c423c9" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3eb10fe2-dc13-4765-aaa3-c67aaefe57ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_Bridge2SolutionsLLCMember_569a1296-6450-4478-b718-4983c8776974" xlink:href="bakkt-20211231.xsd#bakkt_Bridge2SolutionsLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3eb10fe2-dc13-4765-aaa3-c67aaefe57ad" xlink:to="loc_bakkt_Bridge2SolutionsLLCMember_569a1296-6450-4478-b718-4983c8776974" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/GoodwillandIntangibleAssetsNetScheduleofIntangibleAssetsDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#GoodwillandIntangibleAssetsNetScheduleofIntangibleAssetsDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/GoodwillandIntangibleAssetsNetScheduleofIntangibleAssetsDetails" xlink:type="extended" id="i60ebafee759c4abe90d20947362f3e20_GoodwillandIntangibleAssetsNetScheduleofIntangibleAssetsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_654ea3c6-8c01-4e86-a0db-8f13e99db79c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2854ac1f-56ac-4767-81f7-5739a1e26fdb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_654ea3c6-8c01-4e86-a0db-8f13e99db79c" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_2854ac1f-56ac-4767-81f7-5739a1e26fdb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_5e7f00fb-b202-49df-b0be-3a8fb27f9b5d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassLineItems_654ea3c6-8c01-4e86-a0db-8f13e99db79c" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_5e7f00fb-b202-49df-b0be-3a8fb27f9b5d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_889b404a-8403-440d-a9d6-8aea5d18f92a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTable_5e7f00fb-b202-49df-b0be-3a8fb27f9b5d" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_889b404a-8403-440d-a9d6-8aea5d18f92a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_889b404a-8403-440d-a9d6-8aea5d18f92a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_889b404a-8403-440d-a9d6-8aea5d18f92a" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_889b404a-8403-440d-a9d6-8aea5d18f92a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_7aa43a7e-ef9b-4783-b074-a3b87ea9c8e0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis_889b404a-8403-440d-a9d6-8aea5d18f92a" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_7aa43a7e-ef9b-4783-b074-a3b87ea9c8e0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicensingAgreementsMember_6437807a-3bd4-4a39-b1cb-e65518a0b7b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LicensingAgreementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_7aa43a7e-ef9b-4783-b074-a3b87ea9c8e0" xlink:to="loc_us-gaap_LicensingAgreementsMember_6437807a-3bd4-4a39-b1cb-e65518a0b7b1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksAndTradeNamesMember_cbb90458-e629-4858-b139-39284b42c272" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TrademarksAndTradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IndefiniteLivedIntangibleAssetsMajorClassNameDomain_7aa43a7e-ef9b-4783-b074-a3b87ea9c8e0" xlink:to="loc_us-gaap_TrademarksAndTradeNamesMember_cbb90458-e629-4858-b139-39284b42c272" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_83c328d5-6710-4154-9bb0-87d4ff277ef8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_da5b53da-fa15-4e78-88b0-5eb7b27d3d51" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_83c328d5-6710-4154-9bb0-87d4ff277ef8" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_da5b53da-fa15-4e78-88b0-5eb7b27d3d51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_f21ad15e-febe-4c57-bee9-3d51e1bca448" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_83c328d5-6710-4154-9bb0-87d4ff277ef8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_f21ad15e-febe-4c57-bee9-3d51e1bca448" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_305fdc63-f06c-4165-aaeb-a527257c1bf3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_83c328d5-6710-4154-9bb0-87d4ff277ef8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_305fdc63-f06c-4165-aaeb-a527257c1bf3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a0389592-e17e-465e-a5b0-41ebc835e5f1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_83c328d5-6710-4154-9bb0-87d4ff277ef8" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_a0389592-e17e-465e-a5b0-41ebc835e5f1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_2d9e9154-1dc3-4c87-9d4d-cef5be00260b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_83c328d5-6710-4154-9bb0-87d4ff277ef8" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_2d9e9154-1dc3-4c87-9d4d-cef5be00260b" xlink:type="arc" order="2" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5160f39f-e363-4765-bdff-8afabd9c853d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_2d9e9154-1dc3-4c87-9d4d-cef5be00260b" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5160f39f-e363-4765-bdff-8afabd9c853d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5160f39f-e363-4765-bdff-8afabd9c853d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5160f39f-e363-4765-bdff-8afabd9c853d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_5160f39f-e363-4765-bdff-8afabd9c853d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_232efcdb-1a1d-4918-b7e9-9abef3aa097a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_5160f39f-e363-4765-bdff-8afabd9c853d" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_232efcdb-1a1d-4918-b7e9-9abef3aa097a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_c560546d-06db-4222-b03b-39fa28c81759" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_232efcdb-1a1d-4918-b7e9-9abef3aa097a" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_c560546d-06db-4222-b03b-39fa28c81759" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_50a976ff-e1d9-4b56-861d-807c6cd8aacf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_232efcdb-1a1d-4918-b7e9-9abef3aa097a" xlink:to="loc_us-gaap_CustomerRelationshipsMember_50a976ff-e1d9-4b56-861d-807c6cd8aacf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeNamesMember_01db03db-e034-47e5-90cf-79c4f8e53e2e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeNamesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_232efcdb-1a1d-4918-b7e9-9abef3aa097a" xlink:to="loc_us-gaap_TradeNamesMember_01db03db-e034-47e5-90cf-79c4f8e53e2e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ConsolidatedBalanceSheetComponentsAccountsReceivableNetDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ConsolidatedBalanceSheetComponentsAccountsReceivableNetDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ConsolidatedBalanceSheetComponentsAccountsReceivableNetDetails" xlink:type="extended" id="ibe07b5bb62fc451f97527b3f4efba211_ConsolidatedBalanceSheetComponentsAccountsReceivableNetDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_af98dda0-d7c0-449e-8d2c-2e7f4072f024" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGrossCurrent_930c6f90-4863-423b-aba0-43d94ce7475d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableGrossCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_af98dda0-d7c0-449e-8d2c-2e7f4072f024" xlink:to="loc_us-gaap_AccountsReceivableGrossCurrent_930c6f90-4863-423b-aba0-43d94ce7475d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_d3b23720-5600-467c-a008-2cf6a1d5c9b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_af98dda0-d7c0-449e-8d2c-2e7f4072f024" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_d3b23720-5600-467c-a008-2cf6a1d5c9b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_0ad3c55e-9e85-44e0-b796-7dac1824dcc9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_af98dda0-d7c0-449e-8d2c-2e7f4072f024" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_0ad3c55e-9e85-44e0-b796-7dac1824dcc9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_49433bd8-a82c-48b4-847a-1c998deb399d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_af98dda0-d7c0-449e-8d2c-2e7f4072f024" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_49433bd8-a82c-48b4-847a-1c998deb399d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_01831593-9714-456c-ab70-d6908b8e1865" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_49433bd8-a82c-48b4-847a-1c998deb399d" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_01831593-9714-456c-ab70-d6908b8e1865" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_01831593-9714-456c-ab70-d6908b8e1865_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_01831593-9714-456c-ab70-d6908b8e1865" xlink:to="loc_us-gaap_ReceivableTypeDomain_01831593-9714-456c-ab70-d6908b8e1865_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_6ce9f474-70f6-4d37-8ebc-a984d30aa45e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_01831593-9714-456c-ab70-d6908b8e1865" xlink:to="loc_us-gaap_ReceivableTypeDomain_6ce9f474-70f6-4d37-8ebc-a984d30aa45e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TradeAccountsReceivableMember_947e210c-52f3-45be-be5e-3cf3d527859c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TradeAccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_6ce9f474-70f6-4d37-8ebc-a984d30aa45e" xlink:to="loc_us-gaap_TradeAccountsReceivableMember_947e210c-52f3-45be-be5e-3cf3d527859c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_UnbilledReceivablesCurrentMember_4df1b2b7-5d85-4126-95b1-8edd372cef10" xlink:href="bakkt-20211231.xsd#bakkt_UnbilledReceivablesCurrentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_6ce9f474-70f6-4d37-8ebc-a984d30aa45e" xlink:to="loc_bakkt_UnbilledReceivablesCurrentMember_4df1b2b7-5d85-4126-95b1-8edd372cef10" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OtherReceivablesCurrentMember_0896d46f-96a1-4334-90d7-08b8aacaa797" xlink:href="bakkt-20211231.xsd#bakkt_OtherReceivablesCurrentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_6ce9f474-70f6-4d37-8ebc-a984d30aa45e" xlink:to="loc_bakkt_OtherReceivablesCurrentMember_0896d46f-96a1-4334-90d7-08b8aacaa797" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ConsolidatedBalanceSheetComponentsPropertyEquipmentandSoftwareNetDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ConsolidatedBalanceSheetComponentsPropertyEquipmentandSoftwareNetDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ConsolidatedBalanceSheetComponentsPropertyEquipmentandSoftwareNetDetails" xlink:type="extended" id="iaf4656d8dd1a4e5bb9a154aaa488e877_ConsolidatedBalanceSheetComponentsPropertyEquipmentandSoftwareNetDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_89be57a7-2798-4c94-8a52-4022978dae3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_e1d081df-cc64-4419-bda4-2a4cd602f0f9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_89be57a7-2798-4c94-8a52-4022978dae3a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_e1d081df-cc64-4419-bda4-2a4cd602f0f9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_dabd897a-54a8-458c-aad1-fab42d39190c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_89be57a7-2798-4c94-8a52-4022978dae3a" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_dabd897a-54a8-458c-aad1-fab42d39190c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_5d0e437e-d120-4d67-8dd2-334430495e99" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_89be57a7-2798-4c94-8a52-4022978dae3a" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_5d0e437e-d120-4d67-8dd2-334430495e99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_b78193f1-538b-49c9-8058-20d0ac579c20" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_89be57a7-2798-4c94-8a52-4022978dae3a" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_b78193f1-538b-49c9-8058-20d0ac579c20" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_348fe65b-ff07-4e07-b843-00346363ec03" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_b78193f1-538b-49c9-8058-20d0ac579c20" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_348fe65b-ff07-4e07-b843-00346363ec03" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_348fe65b-ff07-4e07-b843-00346363ec03_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_348fe65b-ff07-4e07-b843-00346363ec03" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_348fe65b-ff07-4e07-b843-00346363ec03_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_348fe65b-ff07-4e07-b843-00346363ec03" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_0c29c0f3-a35c-4fe4-aa0d-f2b8c33c005f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_0c29c0f3-a35c-4fe4-aa0d-f2b8c33c005f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PurchasedSoftwareMember_921af131-3ecd-4e2e-abc5-7f6162dc4fdc" xlink:href="bakkt-20211231.xsd#bakkt_PurchasedSoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:to="loc_bakkt_PurchasedSoftwareMember_921af131-3ecd-4e2e-abc5-7f6162dc4fdc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FurnitureAndFixturesMember_558ca664-af95-44c9-bbcd-13c3f3913f0b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FurnitureAndFixturesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:to="loc_us-gaap_FurnitureAndFixturesMember_558ca664-af95-44c9-bbcd-13c3f3913f0b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComputerEquipmentMember_5ed7d523-6e1b-4db7-b6a5-45831d7c91a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComputerEquipmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:to="loc_us-gaap_ComputerEquipmentMember_5ed7d523-6e1b-4db7-b6a5-45831d7c91a3" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LeaseholdImprovementsMember_3beb0eca-92cd-4452-9838-ed937a410dca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseholdImprovementsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_e3c1bcc5-fa19-4bde-8d03-0770e1354835" xlink:to="loc_us-gaap_LeaseholdImprovementsMember_3beb0eca-92cd-4452-9838-ed937a410dca" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ConsolidatedBalanceSheetComponentsNarrativeDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ConsolidatedBalanceSheetComponentsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ConsolidatedBalanceSheetComponentsNarrativeDetails" xlink:type="extended" id="id037874f1dd94c2a8b71525ef065c1fb_ConsolidatedBalanceSheetComponentsNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Depreciation_e3cc46ca-1d77-4851-ad89-3792a8d4f79b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Depreciation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_Depreciation_e3cc46ca-1d77-4851-ad89-3792a8d4f79b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_f62cfba5-874b-41a5-94d2-a17c793cd8ad" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedComputerSoftwareAmortization1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareAmortization1_f62cfba5-874b-41a5-94d2-a17c793cd8ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedComputerSoftwareGross_30672674-c3df-4c68-a8fd-c1599c97dff2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CapitalizedComputerSoftwareGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_CapitalizedComputerSoftwareGross_30672674-c3df-4c68-a8fd-c1599c97dff2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CapitalizedComputerSoftwareGrossPlacedInService_64cebee1-22c8-4561-8873-50c250b03f34" xlink:href="bakkt-20211231.xsd#bakkt_CapitalizedComputerSoftwareGrossPlacedInService"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_CapitalizedComputerSoftwareGrossPlacedInService_64cebee1-22c8-4561-8873-50c250b03f34" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SoftwareLicenseObligationsCurrent_6619c663-8f5c-44ca-8753-cefac186c9a0" xlink:href="bakkt-20211231.xsd#bakkt_SoftwareLicenseObligationsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_SoftwareLicenseObligationsCurrent_6619c663-8f5c-44ca-8753-cefac186c9a0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_0d237296-b7cd-446b-ad2a-7ecdc83deeea" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_0d237296-b7cd-446b-ad2a-7ecdc83deeea" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFairValueOfAsset_5bfd5f04-6b2e-482c-acac-025f183d0818" xlink:href="bakkt-20211231.xsd#bakkt_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFairValueOfAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFairValueOfAsset_5bfd5f04-6b2e-482c-acac-025f183d0818" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_d84305da-188b-450e-a552-332a2adb071d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_d84305da-188b-450e-a552-332a2adb071d" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_SoftwareLicenseAgreementTerm_358312a8-65f7-45ae-9ba1-a663b09b224d" xlink:href="bakkt-20211231.xsd#bakkt_SoftwareLicenseAgreementTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_SoftwareLicenseAgreementTerm_358312a8-65f7-45ae-9ba1-a663b09b224d" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DepositAssetsDefaultResourceContribution_fe97def7-6043-42c7-9b81-d901e6ccbced" xlink:href="bakkt-20211231.xsd#bakkt_DepositAssetsDefaultResourceContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_DepositAssetsDefaultResourceContribution_fe97def7-6043-42c7-9b81-d901e6ccbced" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DepositAssetsDefaultResourceContributionSelfCertificationPeriod_c5253fb0-2604-48de-8b44-ca4ec8756500" xlink:href="bakkt-20211231.xsd#bakkt_DepositAssetsDefaultResourceContributionSelfCertificationPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_DepositAssetsDefaultResourceContributionSelfCertificationPeriod_c5253fb0-2604-48de-8b44-ca4ec8756500" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DepositAssetsDefaultResourceContributionPeriodIncreaseDecrease_be74fe7a-320c-4e02-b686-abcf8b7e9d80" xlink:href="bakkt-20211231.xsd#bakkt_DepositAssetsDefaultResourceContributionPeriodIncreaseDecrease"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_bakkt_DepositAssetsDefaultResourceContributionPeriodIncreaseDecrease_be74fe7a-320c-4e02-b686-abcf8b7e9d80" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarginDepositAssets_a4d1ad29-98c6-479b-ac68-1de7bcb6de52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MarginDepositAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_MarginDepositAssets_a4d1ad29-98c6-479b-ac68-1de7bcb6de52" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_490e4273-954a-4c0a-8ffa-677de8009d0e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfPropertyPlantAndEquipmentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentLineItems_1c36410b-af16-4648-af14-ff5f2f2803e6" xlink:to="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_490e4273-954a-4c0a-8ffa-677de8009d0e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_068aafc4-c716-4041-854f-8791df13ca39" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_490e4273-954a-4c0a-8ffa-677de8009d0e" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_068aafc4-c716-4041-854f-8791df13ca39" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_068aafc4-c716-4041-854f-8791df13ca39_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_068aafc4-c716-4041-854f-8791df13ca39" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_068aafc4-c716-4041-854f-8791df13ca39_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d0492a46-525e-436e-8861-e96d39c4abe3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_068aafc4-c716-4041-854f-8791df13ca39" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d0492a46-525e-436e-8861-e96d39c4abe3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareDevelopmentMember_b193f4df-03e2-4a3a-a69f-7e4447d16d31" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareDevelopmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d0492a46-525e-436e-8861-e96d39c4abe3" xlink:to="loc_us-gaap_SoftwareDevelopmentMember_b193f4df-03e2-4a3a-a69f-7e4447d16d31" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PurchasedSoftwareMember_49d1759f-4b85-4285-a0da-ad813c15fae6" xlink:href="bakkt-20211231.xsd#bakkt_PurchasedSoftwareMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_d0492a46-525e-436e-8861-e96d39c4abe3" xlink:to="loc_bakkt_PurchasedSoftwareMember_49d1759f-4b85-4285-a0da-ad813c15fae6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_aa721281-3d44-4b24-a829-55a85962f326" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_490e4273-954a-4c0a-8ffa-677de8009d0e" xlink:to="loc_srt_ProductOrServiceAxis_aa721281-3d44-4b24-a829-55a85962f326" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_aa721281-3d44-4b24-a829-55a85962f326_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_aa721281-3d44-4b24-a829-55a85962f326" xlink:to="loc_srt_ProductsAndServicesDomain_aa721281-3d44-4b24-a829-55a85962f326_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_30843195-1382-40fc-99ec-440c117f3f79" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_aa721281-3d44-4b24-a829-55a85962f326" xlink:to="loc_srt_ProductsAndServicesDomain_30843195-1382-40fc-99ec-440c117f3f79" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LicenseMember_53f2bee1-cae7-400b-bc09-cd0107ec9e49" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LicenseMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_30843195-1382-40fc-99ec-440c117f3f79" xlink:to="loc_us-gaap_LicenseMember_53f2bee1-cae7-400b-bc09-cd0107ec9e49" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_d47f1610-76f6-4edf-822d-ea612900f98b" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_490e4273-954a-4c0a-8ffa-677de8009d0e" xlink:to="loc_dei_LegalEntityAxis_d47f1610-76f6-4edf-822d-ea612900f98b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_d47f1610-76f6-4edf-822d-ea612900f98b_default" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_d47f1610-76f6-4edf-822d-ea612900f98b" xlink:to="loc_dei_EntityDomain_d47f1610-76f6-4edf-822d-ea612900f98b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_89b75c31-1f95-4c48-b200-efdc9fe31c6a" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_d47f1610-76f6-4edf-822d-ea612900f98b" xlink:to="loc_dei_EntityDomain_89b75c31-1f95-4c48-b200-efdc9fe31c6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BakktTrustMember_718318e5-f6e8-435f-b450-ec30876e708e" xlink:href="bakkt-20211231.xsd#bakkt_BakktTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_89b75c31-1f95-4c48-b200-efdc9fe31c6a" xlink:to="loc_bakkt_BakktTrustMember_718318e5-f6e8-435f-b450-ec30876e708e" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/RelatedPartiesDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#RelatedPartiesDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/RelatedPartiesDetails" xlink:type="extended" id="ifab71fb2fe4b499a928a39ebb4e2574f_RelatedPartiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_877a7720-6ff6-497e-8a62-95e534ef32c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_877a7720-6ff6-497e-8a62-95e534ef32c1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction_71503bc5-159b-4b14-824c-5e1dee03f134" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_SaleOfStockPercentageOfOwnershipBeforeTransaction_71503bc5-159b-4b14-824c-5e1dee03f134" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_0a84fe18-05d2-4c8d-876d-0c954eb35f6a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockConsiderationReceivedOnTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_SaleOfStockConsiderationReceivedOnTransaction_0a84fe18-05d2-4c8d-876d-0c954eb35f6a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionTermOfContract_6b744f54-5dbf-4cd0-8018-29ac40add14d" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionTermOfContract_6b744f54-5dbf-4cd0-8018-29ac40add14d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionPercentageOfContractsThatGoToPhysicalSettlement_3eae7900-6f46-4def-b765-48e6262a28c6" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionPercentageOfContractsThatGoToPhysicalSettlement"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionPercentageOfContractsThatGoToPhysicalSettlement_3eae7900-6f46-4def-b765-48e6262a28c6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromRelatedParties_789f18c5-aa27-4c3c-83e3-2be437c88a6c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromRelatedParties"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_RevenueFromRelatedParties_789f18c5-aa27-4c3c-83e3-2be437c88a6c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RevenueFromRelatedPartiesContraRevenueRebatesAndIncentivePayments_6f2821e0-6cc9-45f1-b483-10e06414fc56" xlink:href="bakkt-20211231.xsd#bakkt_RevenueFromRelatedPartiesContraRevenueRebatesAndIncentivePayments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RevenueFromRelatedPartiesContraRevenueRebatesAndIncentivePayments_6f2821e0-6cc9-45f1-b483-10e06414fc56" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DepositAssetsDefaultResourceContribution_6ff0c600-366a-4269-ae9a-5f65cbc72c87" xlink:href="bakkt-20211231.xsd#bakkt_DepositAssetsDefaultResourceContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_DepositAssetsDefaultResourceContribution_6ff0c600-366a-4269-ae9a-5f65cbc72c87" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet_f510db6b-a90a-46e2-a830-e87dd8930bc0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_InterestIncomeExpenseNet_f510db6b-a90a-46e2-a830-e87dd8930bc0" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionCapitalContributionReductionToRevenue_feee98ab-4daf-4dab-b05f-c8ebab5e308c" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionCapitalContributionReductionToRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionCapitalContributionReductionToRevenue_feee98ab-4daf-4dab-b05f-c8ebab5e308c" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionPercentageOfNetTradingAndClearingRevenuesReceivable_426d6c86-2a0c-46b1-a8ef-a9d04c9d8be6" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionPercentageOfNetTradingAndClearingRevenuesReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionPercentageOfNetTradingAndClearingRevenuesReceivable_426d6c86-2a0c-46b1-a8ef-a9d04c9d8be6" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DueToRelatedPartiesCurrent_a237f7ea-da6c-434c-93ac-0ff0455c9d2c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DueToRelatedPartiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_DueToRelatedPartiesCurrent_a237f7ea-da6c-434c-93ac-0ff0455c9d2c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_9ed0dee4-289b-4165-8706-e3fac4541cd5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_9ed0dee4-289b-4165-8706-e3fac4541cd5" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealizedInvestmentGainsLosses_d9013c46-b3c7-4e79-8bbe-b864a1ddc8f8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RealizedInvestmentGainsLosses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_RealizedInvestmentGainsLosses_d9013c46-b3c7-4e79-8bbe-b864a1ddc8f8" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnInvestments_8df8299d-c1b3-4f24-b3e2-564053bd4828" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_UnrealizedGainLossOnInvestments_8df8299d-c1b3-4f24-b3e2-564053bd4828" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_d4f464e8-2630-421b-b6c5-9a44b4a5c426" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_BusinessAcquisitionPercentageOfVotingInterestsAcquired_d4f464e8-2630-421b-b6c5-9a44b4a5c426" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_3786f5a1-7ade-4dad-a577-6266dc21ccca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_3786f5a1-7ade-4dad-a577-6266dc21ccca" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionContributionOfBusinessEnterpriseValue_11c43a8c-f965-44ad-8bc8-6f302e98033e" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionContributionOfBusinessEnterpriseValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionContributionOfBusinessEnterpriseValue_11c43a8c-f965-44ad-8bc8-6f302e98033e" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionContributionOfBusinessAdditionalGoodwill_60e28368-aa4e-4dba-bb9a-7f5b7a9876d1" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionContributionOfBusinessAdditionalGoodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionContributionOfBusinessAdditionalGoodwill_60e28368-aa4e-4dba-bb9a-7f5b7a9876d1" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionContributionOfBusinessCashContribution_d1b511a6-8eb6-4111-bd25-de1d897d6c85" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionContributionOfBusinessCashContribution"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionContributionOfBusinessCashContribution_d1b511a6-8eb6-4111-bd25-de1d897d6c85" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionContributionOfBusinessCashContributionAmountUsedToPayAcquisitionRelatedExpenses_b7ba5a3d-41e2-4025-95ad-e291372d8398" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionContributionOfBusinessCashContributionAmountUsedToPayAcquisitionRelatedExpenses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_RelatedPartyTransactionContributionOfBusinessCashContributionAmountUsedToPayAcquisitionRelatedExpenses_b7ba5a3d-41e2-4025-95ad-e291372d8398" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightFairValue_e63e97ae-147d-4f88-9a2a-abdd8190533c" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_bakkt_ClassOfWarrantOrRightFairValue_e63e97ae-147d-4f88-9a2a-abdd8190533c" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems_ffb1bca3-9932-41bd-8eb0-2087f99465da" xlink:to="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c3c2e3eb-9cc9-46ff-ae66-ddc6b11b836c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c3c2e3eb-9cc9-46ff-ae66-ddc6b11b836c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_c3c2e3eb-9cc9-46ff-ae66-ddc6b11b836c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c3c2e3eb-9cc9-46ff-ae66-ddc6b11b836c" xlink:to="loc_us-gaap_RelatedPartyDomain_c3c2e3eb-9cc9-46ff-ae66-ddc6b11b836c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_b0c52cbf-85f5-4036-8f69-b3276a49964a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_c3c2e3eb-9cc9-46ff-ae66-ddc6b11b836c" xlink:to="loc_us-gaap_RelatedPartyDomain_b0c52cbf-85f5-4036-8f69-b3276a49964a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_80b58fc5-e129-4268-8274-37993f383828" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_b0c52cbf-85f5-4036-8f69-b3276a49964a" xlink:to="loc_srt_AffiliatedEntityMember_80b58fc5-e129-4268-8274-37993f383828" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ExecutiveOfficerMember_c913a59d-7b4a-4018-b1c2-825b58828929" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ExecutiveOfficerMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_b0c52cbf-85f5-4036-8f69-b3276a49964a" xlink:to="loc_srt_ExecutiveOfficerMember_c913a59d-7b4a-4018-b1c2-825b58828929" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_9831ca5e-e207-4ad1-b009-cd6fd2349a13" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_srt_CounterpartyNameAxis_9831ca5e-e207-4ad1-b009-cd6fd2349a13" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9831ca5e-e207-4ad1-b009-cd6fd2349a13_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_9831ca5e-e207-4ad1-b009-cd6fd2349a13" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_9831ca5e-e207-4ad1-b009-cd6fd2349a13_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_9831ca5e-e207-4ad1-b009-cd6fd2349a13" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ICEMember_7151ee51-0e61-49c2-a555-7bbd2b6e8cac" xlink:href="bakkt-20211231.xsd#bakkt_ICEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:to="loc_bakkt_ICEMember_7151ee51-0e61-49c2-a555-7bbd2b6e8cac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IFUSAndICUSMember_da7fb557-d1ee-45d8-afa6-c326c5ef9993" xlink:href="bakkt-20211231.xsd#bakkt_IFUSAndICUSMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:to="loc_bakkt_IFUSAndICUSMember_da7fb557-d1ee-45d8-afa6-c326c5ef9993" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ICUSMember_3bf2f07d-64bc-4b7e-bbdc-fdc36ccf74d6" xlink:href="bakkt-20211231.xsd#bakkt_ICUSMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_IFUSAndICUSMember_da7fb557-d1ee-45d8-afa6-c326c5ef9993" xlink:to="loc_bakkt_ICUSMember_3bf2f07d-64bc-4b7e-bbdc-fdc36ccf74d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IFSAndICSMember_f6ad0e52-df4c-4017-89c4-5d2ab0e892b0" xlink:href="bakkt-20211231.xsd#bakkt_IFSAndICSMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:to="loc_bakkt_IFSAndICSMember_f6ad0e52-df4c-4017-89c4-5d2ab0e892b0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ICEAndCertainMinorityInvestorsMember_52295900-44e8-42d6-a0b9-a0f1777a9560" xlink:href="bakkt-20211231.xsd#bakkt_ICEAndCertainMinorityInvestorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:to="loc_bakkt_ICEAndCertainMinorityInvestorsMember_52295900-44e8-42d6-a0b9-a0f1777a9560" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_MinorityInvestorMember_084b269f-e760-438a-9d45-4007e9494b3e" xlink:href="bakkt-20211231.xsd#bakkt_MinorityInvestorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_491d4e8c-9b58-437e-a3b1-e3babd4ecff2" xlink:to="loc_bakkt_MinorityInvestorMember_084b269f-e760-438a-9d45-4007e9494b3e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_11951812-2aa6-4f15-be9f-8b032dba120c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_11951812-2aa6-4f15-be9f-8b032dba120c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_11951812-2aa6-4f15-be9f-8b032dba120c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_11951812-2aa6-4f15-be9f-8b032dba120c" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_11951812-2aa6-4f15-be9f-8b032dba120c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_9149cc6f-8516-44c3-9770-c7414578a346" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_11951812-2aa6-4f15-be9f-8b032dba120c" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_9149cc6f-8516-44c3-9770-c7414578a346" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IntercompanyServicesAgreementMember_99bfc259-b66c-4f3b-adee-172760cd28c3" xlink:href="bakkt-20211231.xsd#bakkt_IntercompanyServicesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_9149cc6f-8516-44c3-9770-c7414578a346" xlink:to="loc_bakkt_IntercompanyServicesAgreementMember_99bfc259-b66c-4f3b-adee-172760cd28c3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TransitionServicesAgreementMember_21e6b9fb-4f29-487e-99fe-c36118a38de7" xlink:href="bakkt-20211231.xsd#bakkt_TransitionServicesAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_9149cc6f-8516-44c3-9770-c7414578a346" xlink:to="loc_bakkt_TransitionServicesAgreementMember_21e6b9fb-4f29-487e-99fe-c36118a38de7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TripartyAgreementMember_e7653017-23d6-42e6-adcf-f0a9a59ff02a" xlink:href="bakkt-20211231.xsd#bakkt_TripartyAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_9149cc6f-8516-44c3-9770-c7414578a346" xlink:to="loc_bakkt_TripartyAgreementMember_e7653017-23d6-42e6-adcf-f0a9a59ff02a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IntercompanyServicesAgreementAndTripartyAgreementMember_44184821-f701-4aba-8077-55906d0ca2ff" xlink:href="bakkt-20211231.xsd#bakkt_IntercompanyServicesAgreementAndTripartyAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_9149cc6f-8516-44c3-9770-c7414578a346" xlink:to="loc_bakkt_IntercompanyServicesAgreementAndTripartyAgreementMember_44184821-f701-4aba-8077-55906d0ca2ff" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_4838c56b-70e0-4f7f-bd1f-a4f3f6bc0dad" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_srt_ProductOrServiceAxis_4838c56b-70e0-4f7f-bd1f-a4f3f6bc0dad" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_4838c56b-70e0-4f7f-bd1f-a4f3f6bc0dad_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_4838c56b-70e0-4f7f-bd1f-a4f3f6bc0dad" xlink:to="loc_srt_ProductsAndServicesDomain_4838c56b-70e0-4f7f-bd1f-a4f3f6bc0dad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_dce1f821-1e55-4c5f-84cc-51f82adcb984" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_4838c56b-70e0-4f7f-bd1f-a4f3f6bc0dad" xlink:to="loc_srt_ProductsAndServicesDomain_dce1f821-1e55-4c5f-84cc-51f82adcb984" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PDFContractsMember_adcd732b-189e-4b08-859f-2da7debd56fd" xlink:href="bakkt-20211231.xsd#bakkt_PDFContractsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_dce1f821-1e55-4c5f-84cc-51f82adcb984" xlink:to="loc_bakkt_PDFContractsMember_adcd732b-189e-4b08-859f-2da7debd56fd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_68c844a7-4d75-4d52-beae-314fcf3f353d" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_dei_LegalEntityAxis_68c844a7-4d75-4d52-beae-314fcf3f353d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_68c844a7-4d75-4d52-beae-314fcf3f353d_default" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_68c844a7-4d75-4d52-beae-314fcf3f353d" xlink:to="loc_dei_EntityDomain_68c844a7-4d75-4d52-beae-314fcf3f353d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_e774ac14-6f80-49c4-b38b-d5b457bdf1ee" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_68c844a7-4d75-4d52-beae-314fcf3f353d" xlink:to="loc_dei_EntityDomain_e774ac14-6f80-49c4-b38b-d5b457bdf1ee" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ICEMember_df5056df-f9ce-4558-aed4-128ac474d6ef" xlink:href="bakkt-20211231.xsd#bakkt_ICEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_e774ac14-6f80-49c4-b38b-d5b457bdf1ee" xlink:to="loc_bakkt_ICEMember_df5056df-f9ce-4558-aed4-128ac474d6ef" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BakktTrustMember_13219062-8b14-4592-9230-8bfcbee1a828" xlink:href="bakkt-20211231.xsd#bakkt_BakktTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_e774ac14-6f80-49c4-b38b-d5b457bdf1ee" xlink:to="loc_bakkt_BakktTrustMember_13219062-8b14-4592-9230-8bfcbee1a828" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_d62b349c-7613-4666-81a9-11223cad94d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_d62b349c-7613-4666-81a9-11223cad94d6" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d62b349c-7613-4666-81a9-11223cad94d6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d62b349c-7613-4666-81a9-11223cad94d6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_d62b349c-7613-4666-81a9-11223cad94d6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_dd243e9d-29a8-4422-803b-4468ffb3ed66" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d62b349c-7613-4666-81a9-11223cad94d6" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_dd243e9d-29a8-4422-803b-4468ffb3ed66" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_Bridge2SolutionsLLCMember_1a6b20f5-9df2-45e4-a39b-aff8b6f2547d" xlink:href="bakkt-20211231.xsd#bakkt_Bridge2SolutionsLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_dd243e9d-29a8-4422-803b-4468ffb3ed66" xlink:to="loc_bakkt_Bridge2SolutionsLLCMember_1a6b20f5-9df2-45e4-a39b-aff8b6f2547d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_2f14b357-9b7a-4567-bf27-b699d525bdd2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_us-gaap_StatementClassOfStockAxis_2f14b357-9b7a-4567-bf27-b699d525bdd2" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_2f14b357-9b7a-4567-bf27-b699d525bdd2_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2f14b357-9b7a-4567-bf27-b699d525bdd2" xlink:to="loc_us-gaap_ClassOfStockDomain_2f14b357-9b7a-4567-bf27-b699d525bdd2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_1d341aac-3703-4035-910e-247fa16daa22" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_2f14b357-9b7a-4567-bf27-b699d525bdd2" xlink:to="loc_us-gaap_ClassOfStockDomain_1d341aac-3703-4035-910e-247fa16daa22" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassCMember_a30d6158-5fd6-41c3-a977-3a57a4b7f2d7" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_1d341aac-3703-4035-910e-247fa16daa22" xlink:to="loc_bakkt_VotingClassCMember_a30d6158-5fd6-41c3-a977-3a57a4b7f2d7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_8b8c2f28-d54e-4e3a-9dda-8ce3c32cc726" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_3a5742a3-fa12-4a02-98f3-e257377e43f3" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_8b8c2f28-d54e-4e3a-9dda-8ce3c32cc726" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_8b8c2f28-d54e-4e3a-9dda-8ce3c32cc726_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_8b8c2f28-d54e-4e3a-9dda-8ce3c32cc726" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_8b8c2f28-d54e-4e3a-9dda-8ce3c32cc726_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_d9682bb4-ff98-4a03-8770-7e282aa5b7c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_8b8c2f28-d54e-4e3a-9dda-8ce3c32cc726" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_d9682bb4-ff98-4a03-8770-7e282aa5b7c7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassCMember_81059fc6-08a6-492f-8a0a-a5674a345f7b" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_d9682bb4-ff98-4a03-8770-7e282aa5b7c7" xlink:to="loc_bakkt_WarrantClassCMember_81059fc6-08a6-492f-8a0a-a5674a345f7b" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/WarrantsDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#WarrantsDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/WarrantsDetails" xlink:type="extended" id="ifaf63acecabb4cc78b4e39d7c73cc5eb_WarrantsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightOutstanding_ae5db0a9-0941-48a6-8c12-3d1930ad755d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_ClassOfWarrantOrRightOutstanding_ae5db0a9-0941-48a6-8c12-3d1930ad755d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_73553f23-369d-47bd-8b41-c4812085227b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByEachWarrantOrRight_73553f23-369d-47bd-8b41-c4812085227b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_76e9177e-a58e-4558-8370-5f768667741c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_76e9177e-a58e-4558-8370-5f768667741c" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm_e3bd2847-320b-4440-9f7c-5aabbc0a900d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingTerm_e3bd2847-320b-4440-9f7c-5aabbc0a900d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_6dcb36ee-cb94-46d1-8cf2-1f28fb07c247" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_6dcb36ee-cb94-46d1-8cf2-1f28fb07c247" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightExercised_35cd2702-1b34-43ad-b466-6ed63319f298" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_bakkt_ClassOfWarrantOrRightExercised_35cd2702-1b34-43ad-b466-6ed63319f298" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromWarrantExercises_1c6f462f-0bbf-46f7-afd7-387e2731a4b1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromWarrantExercises"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_ProceedsFromWarrantExercises_1c6f462f-0bbf-46f7-afd7-387e2731a4b1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAdjustmentOfWarrants_8f01af6f-e3bb-4f9e-a43d-facb119d93a5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAdjustmentOfWarrants"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_FairValueAdjustmentOfWarrants_8f01af6f-e3bb-4f9e-a43d-facb119d93a5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightTable_751f9ccc-17eb-49b8-9050-a192daae32a8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfWarrantOrRightLineItems_3d8abcb0-94f9-48f6-bc6d-78dbf1f0ddab" xlink:to="loc_us-gaap_ClassOfWarrantOrRightTable_751f9ccc-17eb-49b8-9050-a192daae32a8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_4271afe3-d862-41fc-9350-720d2a381bcd" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_751f9ccc-17eb-49b8-9050-a192daae32a8" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_4271afe3-d862-41fc-9350-720d2a381bcd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_4271afe3-d862-41fc-9350-720d2a381bcd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_4271afe3-d862-41fc-9350-720d2a381bcd" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_4271afe3-d862-41fc-9350-720d2a381bcd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_07bb17c9-64ca-4428-8153-6f933b6a7a6e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_4271afe3-d862-41fc-9350-720d2a381bcd" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_07bb17c9-64ca-4428-8153-6f933b6a7a6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PublicWarrantsMember_8d79cb02-efa8-46db-b73e-9f96553866c7" xlink:href="bakkt-20211231.xsd#bakkt_PublicWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_07bb17c9-64ca-4428-8153-6f933b6a7a6e" xlink:to="loc_bakkt_PublicWarrantsMember_8d79cb02-efa8-46db-b73e-9f96553866c7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PrivatePlacementWarrantsMember_3f4ad351-7e40-478c-9c9d-1981de05dde6" xlink:href="bakkt-20211231.xsd#bakkt_PrivatePlacementWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_07bb17c9-64ca-4428-8153-6f933b6a7a6e" xlink:to="loc_bakkt_PrivatePlacementWarrantsMember_3f4ad351-7e40-478c-9c9d-1981de05dde6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_bedbf626-522b-4e65-bc01-03e23abe4526" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ClassOfWarrantOrRightTable_751f9ccc-17eb-49b8-9050-a192daae32a8" xlink:to="loc_us-gaap_StatementClassOfStockAxis_bedbf626-522b-4e65-bc01-03e23abe4526" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_bedbf626-522b-4e65-bc01-03e23abe4526_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_bedbf626-522b-4e65-bc01-03e23abe4526" xlink:to="loc_us-gaap_ClassOfStockDomain_bedbf626-522b-4e65-bc01-03e23abe4526_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_ea66a400-d9b9-4c00-be9a-1b083e1a0c75" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_bedbf626-522b-4e65-bc01-03e23abe4526" xlink:to="loc_us-gaap_ClassOfStockDomain_ea66a400-d9b9-4c00-be9a-1b083e1a0c75" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_7743cdc0-b1b2-494c-9f89-9565c5b3f0c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_ea66a400-d9b9-4c00-be9a-1b083e1a0c75" xlink:to="loc_us-gaap_CommonClassAMember_7743cdc0-b1b2-494c-9f89-9565c5b3f0c3" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/StockholdersEquityNarrativeDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#StockholdersEquityNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/StockholdersEquityNarrativeDetails" xlink:type="extended" id="ie33c9d18440345629f040e2ed214345e_StockholdersEquityNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized_ca66a62b-72e6-4935-9513-108dab8805bb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_PreferredStockSharesAuthorized_ca66a62b-72e6-4935-9513-108dab8805bb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare_452e6d0a-2903-4701-bab1-fe3c7600426c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_PreferredStockParOrStatedValuePerShare_452e6d0a-2903-4701-bab1-fe3c7600426c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued_cce77f65-ba49-46e8-867b-fae9087188b0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_PreferredStockSharesIssued_cce77f65-ba49-46e8-867b-fae9087188b0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_74fdeb03-81f5-4ec6-9abd-21879b117a54" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_74fdeb03-81f5-4ec6-9abd-21879b117a54" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_a527a025-aa41-4099-a3a8-81fd02cd99fb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_a527a025-aa41-4099-a3a8-81fd02cd99fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_da1c45b1-2281-44ae-a9ac-390243485c11" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_CommonStockSharesIssued_da1c45b1-2281-44ae-a9ac-390243485c11" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_10d866a0-4e8f-422d-b4a4-37d3d7ee0ae1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_10d866a0-4e8f-422d-b4a4-37d3d7ee0ae1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_3da51ee3-4e6b-4658-87d7-7c7f83bc0ed8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues_3da51ee3-4e6b-4658-87d7-7c7f83bc0ed8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAdditions_06c571e7-2356-4067-b90d-56ee95f55f16" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentAdditions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAdditions_06c571e7-2356-4067-b90d-56ee95f55f16" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RelatedPartyTransactionCapitalContributionReductionToRevenue_90d17f53-ff33-4549-a92a-2d082fd8ee8b" xlink:href="bakkt-20211231.xsd#bakkt_RelatedPartyTransactionCapitalContributionReductionToRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_RelatedPartyTransactionCapitalContributionReductionToRevenue_90d17f53-ff33-4549-a92a-2d082fd8ee8b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_91635499-e33d-4502-add3-1bb8ff3f53c1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues_91635499-e33d-4502-add3-1bb8ff3f53c1" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesIssuedPricePerShare_dd7f6fdc-ffd4-44f7-addf-05730370c4dc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesIssuedPricePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_SharesIssuedPricePerShare_dd7f6fdc-ffd4-44f7-addf-05730370c4dc" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_520b0048-dc96-4566-804c-2ca836610aae" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_520b0048-dc96-4566-804c-2ca836610aae" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_9ee49b36-a56d-4b04-ba87-9774f27dbea7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities_9ee49b36-a56d-4b04-ba87-9774f27dbea7" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_132775ee-3dbc-4909-907e-ee040d1f6bc6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_132775ee-3dbc-4909-907e-ee040d1f6bc6" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_ce9672a6-1215-4d08-8bff-352134de2026" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_ce9672a6-1215-4d08-8bff-352134de2026" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm_bffde4e0-f569-4e4e-9270-ccd41d6f0ef8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingTerm_bffde4e0-f569-4e4e-9270-ccd41d6f0ef8" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightFairValue_9d535bf5-ef0f-4e20-a275-2d9acd7501b5" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_ClassOfWarrantOrRightFairValue_9d535bf5-ef0f-4e20-a275-2d9acd7501b5" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_15062a39-a3e4-415e-b88e-7932fd82bf93" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_15062a39-a3e4-415e-b88e-7932fd82bf93" xlink:type="arc" order="18"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_StockIssuedDuringThePeriodSharesWarrantsExercised_be758d84-c7a7-43ed-90ff-a74050008266" xlink:href="bakkt-20211231.xsd#bakkt_StockIssuedDuringThePeriodSharesWarrantsExercised"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_StockIssuedDuringThePeriodSharesWarrantsExercised_be758d84-c7a7-43ed-90ff-a74050008266" xlink:type="arc" order="19"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_cefac24b-0e7e-4158-bcb9-62ea4fdc8c0f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairmentOfLongLivedAssetsHeldForUse"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_ImpairmentOfLongLivedAssetsHeldForUse_cefac24b-0e7e-4158-bcb9-62ea4fdc8c0f" xlink:type="arc" order="20"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFairValueOfAsset_57ed1e91-f5b2-4071-a5a1-85a056e645f2" xlink:href="bakkt-20211231.xsd#bakkt_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFairValueOfAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_ImpairedAssetsToBeDisposedOfByMethodOtherThanSaleFairValueOfAsset_57ed1e91-f5b2-4071-a5a1-85a056e645f2" xlink:type="arc" order="21"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightModificationsNumberOfSharesWithUpdatedServiceConditions_5a2c07e4-19b7-4a71-8ae4-2403db832316" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightModificationsNumberOfSharesWithUpdatedServiceConditions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_ClassOfWarrantOrRightModificationsNumberOfSharesWithUpdatedServiceConditions_5a2c07e4-19b7-4a71-8ae4-2403db832316" xlink:type="arc" order="22"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightModificationsNumberOfSharesWithServiceConditionsLeftUnchanged_f2368d09-3104-4657-9a81-45d2d711e755" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightModificationsNumberOfSharesWithServiceConditionsLeftUnchanged"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_ClassOfWarrantOrRightModificationsNumberOfSharesWithServiceConditionsLeftUnchanged_f2368d09-3104-4657-9a81-45d2d711e755" xlink:type="arc" order="23"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightVested_31c2adbb-1a6b-4e10-a585-605249b2e6fb" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_ClassOfWarrantOrRightVested_31c2adbb-1a6b-4e10-a585-605249b2e6fb" xlink:type="arc" order="24"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ClassOfWarrantOrRightUnvested_6e96ed6b-bc6a-45e8-a9e4-199d662c8b55" xlink:href="bakkt-20211231.xsd#bakkt_ClassOfWarrantOrRightUnvested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_bakkt_ClassOfWarrantOrRightUnvested_6e96ed6b-bc6a-45e8-a9e4-199d662c8b55" xlink:type="arc" order="25"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherSellingGeneralAndAdministrativeExpense_e4cc6f96-e4ae-4b0a-8567-7fb268e8a945" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherSellingGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_OtherSellingGeneralAndAdministrativeExpense_e4cc6f96-e4ae-4b0a-8567-7fb268e8a945" xlink:type="arc" order="26"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_84036c3c-1797-44eb-a1a3-3105c2caa8c0" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_da746bef-103d-422b-8d79-afd368d95dba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_StatementClassOfStockAxis_da746bef-103d-422b-8d79-afd368d95dba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_da746bef-103d-422b-8d79-afd368d95dba_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementClassOfStockAxis_da746bef-103d-422b-8d79-afd368d95dba" xlink:to="loc_us-gaap_ClassOfStockDomain_da746bef-103d-422b-8d79-afd368d95dba_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementClassOfStockAxis_da746bef-103d-422b-8d79-afd368d95dba" xlink:to="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonClassAMember_6d8cae37-671d-42c8-a9ed-61e8b1d72cfa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_us-gaap_CommonClassAMember_6d8cae37-671d-42c8-a9ed-61e8b1d72cfa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonClassVMember_535a6ff1-0754-4b4e-aa17-f8f9b84710a4" xlink:href="bakkt-20211231.xsd#bakkt_CommonClassVMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_bakkt_CommonClassVMember_535a6ff1-0754-4b4e-aa17-f8f9b84710a4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassAMember_fbab1b76-5da9-4f83-bdde-45a4074887d4" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassAMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_bakkt_VotingClassAMember_fbab1b76-5da9-4f83-bdde-45a4074887d4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassBMember_0f5396c7-6be4-4b11-91f9-dbf4ed7b43fa" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_bakkt_VotingClassBMember_0f5396c7-6be4-4b11-91f9-dbf4ed7b43fa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_VotingClassCMember_fd34cd01-b87a-477a-b04b-40e253238e5b" xlink:href="bakkt-20211231.xsd#bakkt_VotingClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_bakkt_VotingClassCMember_fd34cd01-b87a-477a-b04b-40e253238e5b" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassBMember_f1078a8d-462e-4355-9ba0-c45e7286f211" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_bakkt_WarrantClassBMember_f1078a8d-462e-4355-9ba0-c45e7286f211" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PairedInterestsMember_279860db-7810-480d-9810-f2e9cb7d036e" xlink:href="bakkt-20211231.xsd#bakkt_PairedInterestsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockDomain_fc9eba91-8bf0-458c-ac11-e4d1586d9bc4" xlink:to="loc_bakkt_PairedInterestsMember_279860db-7810-480d-9810-f2e9cb7d036e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis_e70c43f2-b92c-4b5d-838d-e6f04c08ec70" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_CounterpartyNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_srt_CounterpartyNameAxis_e70c43f2-b92c-4b5d-838d-e6f04c08ec70" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e70c43f2-b92c-4b5d-838d-e6f04c08ec70_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_CounterpartyNameAxis_e70c43f2-b92c-4b5d-838d-e6f04c08ec70" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_e70c43f2-b92c-4b5d-838d-e6f04c08ec70_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain_16213cad-ca49-4bf5-84a9-19acea4c2d04" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_CounterpartyNameAxis_e70c43f2-b92c-4b5d-838d-e6f04c08ec70" xlink:to="loc_srt_RepurchaseAgreementCounterpartyNameDomain_16213cad-ca49-4bf5-84a9-19acea4c2d04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ICEMember_9ec4b13c-8f8d-4ae3-baae-4ea14f0269cd" xlink:href="bakkt-20211231.xsd#bakkt_ICEMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_16213cad-ca49-4bf5-84a9-19acea4c2d04" xlink:to="loc_bakkt_ICEMember_9ec4b13c-8f8d-4ae3-baae-4ea14f0269cd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ICEAndCertainMinorityInvestorsMember_bdcfded4-1d68-4e1e-9d4f-6b3406610d4d" xlink:href="bakkt-20211231.xsd#bakkt_ICEAndCertainMinorityInvestorsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_16213cad-ca49-4bf5-84a9-19acea4c2d04" xlink:to="loc_bakkt_ICEAndCertainMinorityInvestorsMember_bdcfded4-1d68-4e1e-9d4f-6b3406610d4d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_MinorityInvestorMember_20d72f02-bffa-47e2-9448-cb55312803c3" xlink:href="bakkt-20211231.xsd#bakkt_MinorityInvestorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_16213cad-ca49-4bf5-84a9-19acea4c2d04" xlink:to="loc_bakkt_MinorityInvestorMember_20d72f02-bffa-47e2-9448-cb55312803c3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IFUSAndICUSMember_278e3114-7883-44be-a05c-2bff46d8ea9e" xlink:href="bakkt-20211231.xsd#bakkt_IFUSAndICUSMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain_16213cad-ca49-4bf5-84a9-19acea4c2d04" xlink:to="loc_bakkt_IFUSAndICUSMember_278e3114-7883-44be-a05c-2bff46d8ea9e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0ab7b6c2-2707-4d4c-9c45-ca3115758d8e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0ab7b6c2-2707-4d4c-9c45-ca3115758d8e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_0ab7b6c2-2707-4d4c-9c45-ca3115758d8e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0ab7b6c2-2707-4d4c-9c45-ca3115758d8e" xlink:to="loc_us-gaap_RelatedPartyDomain_0ab7b6c2-2707-4d4c-9c45-ca3115758d8e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain_e657f4dd-535c-4665-8af2-4fa39a3bc954" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_0ab7b6c2-2707-4d4c-9c45-ca3115758d8e" xlink:to="loc_us-gaap_RelatedPartyDomain_e657f4dd-535c-4665-8af2-4fa39a3bc954" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AffiliatedEntityMember_eebaeaae-8e01-42f0-b3aa-980d360e1284" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_AffiliatedEntityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyDomain_e657f4dd-535c-4665-8af2-4fa39a3bc954" xlink:to="loc_srt_AffiliatedEntityMember_eebaeaae-8e01-42f0-b3aa-980d360e1284" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_c374b15e-620f-4412-a919-aa023f90a297" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_PlanNameAxis_c374b15e-620f-4412-a919-aa023f90a297" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_c374b15e-620f-4412-a919-aa023f90a297_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_c374b15e-620f-4412-a919-aa023f90a297" xlink:to="loc_us-gaap_PlanNameDomain_c374b15e-620f-4412-a919-aa023f90a297_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_9eba569f-042f-4a0b-8780-909f6ded3983" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_c374b15e-620f-4412-a919-aa023f90a297" xlink:to="loc_us-gaap_PlanNameDomain_9eba569f-042f-4a0b-8780-909f6ded3983" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoPlanMember_f6bbc01a-7efa-4f49-aade-2fd2b91a13db" xlink:href="bakkt-20211231.xsd#bakkt_OpcoPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_9eba569f-042f-4a0b-8780-909f6ded3983" xlink:to="loc_bakkt_OpcoPlanMember_f6bbc01a-7efa-4f49-aade-2fd2b91a13db" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_0a6e886e-5370-4f04-b5c9-babc916ffc5f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_0a6e886e-5370-4f04-b5c9-babc916ffc5f" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0a6e886e-5370-4f04-b5c9-babc916ffc5f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0a6e886e-5370-4f04-b5c9-babc916ffc5f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0a6e886e-5370-4f04-b5c9-babc916ffc5f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01db1137-c2ca-46b0-b75d-55dd1c55581e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_0a6e886e-5370-4f04-b5c9-babc916ffc5f" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01db1137-c2ca-46b0-b75d-55dd1c55581e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_74fdb6b9-fff9-44ec-9281-2a624514e4d4" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_01db1137-c2ca-46b0-b75d-55dd1c55581e" xlink:to="loc_bakkt_OpcoMember_74fdb6b9-fff9-44ec-9281-2a624514e4d4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_dc313e4e-24cc-4d24-8da0-838a869b6e66" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_dc313e4e-24cc-4d24-8da0-838a869b6e66" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_dc313e4e-24cc-4d24-8da0-838a869b6e66_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_dc313e4e-24cc-4d24-8da0-838a869b6e66" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_dc313e4e-24cc-4d24-8da0-838a869b6e66_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_3a6a8c49-e936-49db-8183-61690f21b9c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_dc313e4e-24cc-4d24-8da0-838a869b6e66" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_3a6a8c49-e936-49db-8183-61690f21b9c5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassBMember_cdd75f73-0851-4882-bd75-dbf106d0f75c" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_3a6a8c49-e936-49db-8183-61690f21b9c5" xlink:to="loc_bakkt_WarrantClassBMember_cdd75f73-0851-4882-bd75-dbf106d0f75c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassCMember_da0578be-381d-4f6f-acd4-7b8a2f77c28c" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_3a6a8c49-e936-49db-8183-61690f21b9c5" xlink:to="loc_bakkt_WarrantClassCMember_da0578be-381d-4f6f-acd4-7b8a2f77c28c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_ab378521-d766-4d58-b374-7f48cbdc4147" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_ab378521-d766-4d58-b374-7f48cbdc4147" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab378521-d766-4d58-b374-7f48cbdc4147_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_ab378521-d766-4d58-b374-7f48cbdc4147" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_ab378521-d766-4d58-b374-7f48cbdc4147_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_4722482f-72f4-43a8-b594-41348cda82cc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentByTypeAxis_ab378521-d766-4d58-b374-7f48cbdc4147" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_4722482f-72f4-43a8-b594-41348cda82cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_e6e51c1d-ccf2-46ad-bedc-39083c74b9e9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SoftwareAndSoftwareDevelopmentCostsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentTypeDomain_4722482f-72f4-43a8-b594-41348cda82cc" xlink:to="loc_us-gaap_SoftwareAndSoftwareDevelopmentCostsMember_e6e51c1d-ccf2-46ad-bedc-39083c74b9e9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis_21406ab5-66cc-4918-8458-3ae3871d41d5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_RelatedPartyTransactionAxis_21406ab5-66cc-4918-8458-3ae3871d41d5" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_21406ab5-66cc-4918-8458-3ae3871d41d5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_21406ab5-66cc-4918-8458-3ae3871d41d5" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_21406ab5-66cc-4918-8458-3ae3871d41d5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain_83b81410-a852-49c8-8200-f3b1b6e0b7e3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis_21406ab5-66cc-4918-8458-3ae3871d41d5" xlink:to="loc_us-gaap_RelatedPartyTransactionDomain_83b81410-a852-49c8-8200-f3b1b6e0b7e3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TripartyAgreementMember_3f5b5028-a1f5-4075-9b13-b06ec9d02199" xlink:href="bakkt-20211231.xsd#bakkt_TripartyAgreementMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain_83b81410-a852-49c8-8200-f3b1b6e0b7e3" xlink:to="loc_bakkt_TripartyAgreementMember_3f5b5028-a1f5-4075-9b13-b06ec9d02199" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_d3c2286d-ea35-441d-a806-a65ef9d565c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockByUniqueDescriptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_d3c2286d-ea35-441d-a806-a65ef9d565c8" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_d3c2286d-ea35-441d-a806-a65ef9d565c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_d3c2286d-ea35-441d-a806-a65ef9d565c8" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_d3c2286d-ea35-441d-a806-a65ef9d565c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConversionOfStockNameDomain_9c78db6f-0fcb-4147-b377-2132d47b6cab" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ConversionOfStockNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConversionOfStockByUniqueDescriptionAxis_d3c2286d-ea35-441d-a806-a65ef9d565c8" xlink:to="loc_us-gaap_ConversionOfStockNameDomain_9c78db6f-0fcb-4147-b377-2132d47b6cab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember_c48f8747-303b-4538-a679-c3378d30a16d" xlink:href="bakkt-20211231.xsd#bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_9c78db6f-0fcb-4147-b377-2132d47b6cab" xlink:to="loc_bakkt_ConversionOfOpcoClassAClassBAndClassCVotingUnitsIntoClassVCommonStockMember_c48f8747-303b-4538-a679-c3378d30a16d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IssuanceOfClassVCommonStockForOpcoClassCWarrantsAndIncentiveUnitsMember_6adec251-4d5c-444f-b2e6-b886d8401b78" xlink:href="bakkt-20211231.xsd#bakkt_IssuanceOfClassVCommonStockForOpcoClassCWarrantsAndIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConversionOfStockNameDomain_9c78db6f-0fcb-4147-b377-2132d47b6cab" xlink:to="loc_bakkt_IssuanceOfClassVCommonStockForOpcoClassCWarrantsAndIncentiveUnitsMember_6adec251-4d5c-444f-b2e6-b886d8401b78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_ad3267f5-af91-445c-a86c-d1c58161f9a4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_ad3267f5-af91-445c-a86c-d1c58161f9a4" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_ad3267f5-af91-445c-a86c-d1c58161f9a4_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_ad3267f5-af91-445c-a86c-d1c58161f9a4" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_ad3267f5-af91-445c-a86c-d1c58161f9a4_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_d6b6b52f-2c0c-439a-ae10-4b5c497d45cb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_ad3267f5-af91-445c-a86c-d1c58161f9a4" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_d6b6b52f-2c0c-439a-ae10-4b5c497d45cb" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedDividendRateMember_170064e4-cf86-4f75-ae2c-faf72690b2a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputExpectedDividendRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_d6b6b52f-2c0c-439a-ae10-4b5c497d45cb" xlink:to="loc_us-gaap_MeasurementInputExpectedDividendRateMember_170064e4-cf86-4f75-ae2c-faf72690b2a6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_50515031-e499-4488-859f-070e933a7db0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_ValuationTechniqueAxis_50515031-e499-4488-859f-070e933a7db0" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_50515031-e499-4488-859f-070e933a7db0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationTechniqueAxis_50515031-e499-4488-859f-070e933a7db0" xlink:to="loc_us-gaap_ValuationTechniqueDomain_50515031-e499-4488-859f-070e933a7db0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_45771476-8a5c-49e6-86a2-0e147d98685b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationTechniqueAxis_50515031-e499-4488-859f-070e933a7db0" xlink:to="loc_us-gaap_ValuationTechniqueDomain_45771476-8a5c-49e6-86a2-0e147d98685b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueOptionPricingModelMember_89c46992-39f7-4e27-93a2-0dd7ced15ce4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueOptionPricingModelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain_45771476-8a5c-49e6-86a2-0e147d98685b" xlink:to="loc_us-gaap_ValuationTechniqueOptionPricingModelMember_89c46992-39f7-4e27-93a2-0dd7ced15ce4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis_6beaea47-ef77-4a2c-bd02-db769a730f79" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_76773b7c-f530-4175-b7b1-770d0497fc9d" xlink:to="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis_6beaea47-ef77-4a2c-bd02-db769a730f79" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain_6beaea47-ef77-4a2c-bd02-db769a730f79_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis_6beaea47-ef77-4a2c-bd02-db769a730f79" xlink:to="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain_6beaea47-ef77-4a2c-bd02-db769a730f79_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain_ce4d5032-737a-4ca9-80b3-039c8bccb13c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis_6beaea47-ef77-4a2c-bd02-db769a730f79" xlink:to="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain_ce4d5032-737a-4ca9-80b3-039c8bccb13c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CustomerConsiderationAssetMember_f4cbc056-5081-4ee8-83ad-f313ec58e666" xlink:href="bakkt-20211231.xsd#bakkt_CustomerConsiderationAssetMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ImpairedLongLivedAssetsHeldAndUsedAssetNameDomain_ce4d5032-737a-4ca9-80b3-039c8bccb13c" xlink:to="loc_bakkt_CustomerConsiderationAssetMember_f4cbc056-5081-4ee8-83ad-f313ec58e666" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/StockholdersEquityKeyValuationInputsDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#StockholdersEquityKeyValuationInputsDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/StockholdersEquityKeyValuationInputsDetails" xlink:type="extended" id="ie324ad7e3d724c3a9ad34078e1ad5a6f_StockholdersEquityKeyValuationInputsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_2f25f967-cfe9-4d54-ab2b-5975c9220f42" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_4abb266b-e1c4-43eb-bdf2-fda54dbfa6df" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingMeasurementInput"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_2f25f967-cfe9-4d54-ab2b-5975c9220f42" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingMeasurementInput_4abb266b-e1c4-43eb-bdf2-fda54dbfa6df" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantsAndRightsOutstandingTerm_7d584f72-a075-4619-ba05-c63ad3e5d57c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_2f25f967-cfe9-4d54-ab2b-5975c9220f42" xlink:to="loc_us-gaap_WarrantsAndRightsOutstandingTerm_7d584f72-a075-4619-ba05-c63ad3e5d57c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f9595411-4c89-4cd8-a210-8495a100779e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_2f25f967-cfe9-4d54-ab2b-5975c9220f42" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f9595411-4c89-4cd8-a210-8495a100779e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_68e0b35c-648c-457e-af34-1c27de0b32be" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f9595411-4c89-4cd8-a210-8495a100779e" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_68e0b35c-648c-457e-af34-1c27de0b32be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_68e0b35c-648c-457e-af34-1c27de0b32be_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_68e0b35c-648c-457e-af34-1c27de0b32be" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_68e0b35c-648c-457e-af34-1c27de0b32be_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_f1d4fb0b-0e81-4529-a8ff-0de063c5096b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_68e0b35c-648c-457e-af34-1c27de0b32be" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_f1d4fb0b-0e81-4529-a8ff-0de063c5096b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassBMember_3f2be52c-16c2-4ec1-b7b4-5447bfa0d467" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_f1d4fb0b-0e81-4529-a8ff-0de063c5096b" xlink:to="loc_bakkt_WarrantClassBMember_3f2be52c-16c2-4ec1-b7b4-5447bfa0d467" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantClassCMember_a7d2b629-eedb-47d2-8022-1cfc561eab94" xlink:href="bakkt-20211231.xsd#bakkt_WarrantClassCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_f1d4fb0b-0e81-4529-a8ff-0de063c5096b" xlink:to="loc_bakkt_WarrantClassCMember_a7d2b629-eedb-47d2-8022-1cfc561eab94" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis_2bd637cb-2674-4bfc-b1f5-6d66c1367e75" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f9595411-4c89-4cd8-a210-8495a100779e" xlink:to="loc_us-gaap_MeasurementInputTypeAxis_2bd637cb-2674-4bfc-b1f5-6d66c1367e75" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_2bd637cb-2674-4bfc-b1f5-6d66c1367e75_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_2bd637cb-2674-4bfc-b1f5-6d66c1367e75" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_2bd637cb-2674-4bfc-b1f5-6d66c1367e75_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain_526f7bd3-7694-45ca-b655-6fb66cc17db5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MeasurementInputTypeAxis_2bd637cb-2674-4bfc-b1f5-6d66c1367e75" xlink:to="loc_us-gaap_MeasurementInputTypeDomain_526f7bd3-7694-45ca-b655-6fb66cc17db5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputExpectedDividendRateMember_d88eaa9e-a1ef-40fa-a376-9018d421b63d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputExpectedDividendRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_526f7bd3-7694-45ca-b655-6fb66cc17db5" xlink:to="loc_us-gaap_MeasurementInputExpectedDividendRateMember_d88eaa9e-a1ef-40fa-a376-9018d421b63d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_df54c37c-a919-441c-8ab0-cc5d4ca78f05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputRiskFreeInterestRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_526f7bd3-7694-45ca-b655-6fb66cc17db5" xlink:to="loc_us-gaap_MeasurementInputRiskFreeInterestRateMember_df54c37c-a919-441c-8ab0-cc5d4ca78f05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputPriceVolatilityMember_716d6b2e-037d-4444-b165-5ff5d145e399" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_MeasurementInputPriceVolatilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MeasurementInputTypeDomain_526f7bd3-7694-45ca-b655-6fb66cc17db5" xlink:to="loc_us-gaap_MeasurementInputPriceVolatilityMember_716d6b2e-037d-4444-b165-5ff5d145e399" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueAxis_f9c0d587-026c-45a6-b32e-179d16b3ff19" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_f9595411-4c89-4cd8-a210-8495a100779e" xlink:to="loc_us-gaap_ValuationTechniqueAxis_f9c0d587-026c-45a6-b32e-179d16b3ff19" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_f9c0d587-026c-45a6-b32e-179d16b3ff19_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ValuationTechniqueAxis_f9c0d587-026c-45a6-b32e-179d16b3ff19" xlink:to="loc_us-gaap_ValuationTechniqueDomain_f9c0d587-026c-45a6-b32e-179d16b3ff19_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueDomain_af528e20-8845-4676-a5ca-4a39d1c3a85a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ValuationTechniqueAxis_f9c0d587-026c-45a6-b32e-179d16b3ff19" xlink:to="loc_us-gaap_ValuationTechniqueDomain_af528e20-8845-4676-a5ca-4a39d1c3a85a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationTechniqueOptionPricingModelMember_60d63573-4d15-40c5-be82-78d3e33db955" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ValuationTechniqueOptionPricingModelMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ValuationTechniqueDomain_af528e20-8845-4676-a5ca-4a39d1c3a85a" xlink:to="loc_us-gaap_ValuationTechniqueOptionPricingModelMember_60d63573-4d15-40c5-be82-78d3e33db955" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ShareBasedandUnitBasedCompensationDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationDetails" xlink:type="extended" id="i1195747cf7ab4e96a41e90c9d43fd13e_ShareBasedandUnitBasedCompensationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_5ceb5820-91b1-4674-9eb7-c702d45b1b41" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommonStockCapitalSharesReservedForFutureIssuance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_CommonStockCapitalSharesReservedForFutureIssuance_5ceb5820-91b1-4674-9eb7-c702d45b1b41" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DeferredCompensationArrangementWithIndividualExchangeRatio_825f8c59-9a76-465c-b9fb-61faedd12d59" xlink:href="bakkt-20211231.xsd#bakkt_DeferredCompensationArrangementWithIndividualExchangeRatio"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_bakkt_DeferredCompensationArrangementWithIndividualExchangeRatio_825f8c59-9a76-465c-b9fb-61faedd12d59" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2887e86d-eed1-401b-873e-232a5014d722" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_2887e86d-eed1-401b-873e-232a5014d722" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_4040fcdb-b758-41eb-8cbf-f990e001e12b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_4040fcdb-b758-41eb-8cbf-f990e001e12b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_e7d2ffaa-8404-4e6a-9811-105425b2c4b7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions_e7d2ffaa-8404-4e6a-9811-105425b2c4b7" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_862869cb-8530-46bf-8ea7-4ef78d0eb762" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_862869cb-8530-46bf-8ea7-4ef78d0eb762" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_326e57a5-97dd-40c8-bc94-6f3438350748" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized_326e57a5-97dd-40c8-bc94-6f3438350748" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationRedemptionOfTemporaryEquityPercentage_8a9b7ee0-639d-405a-8ec6-b90e08d8ca28" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationRedemptionOfTemporaryEquityPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_bakkt_BusinessCombinationRedemptionOfTemporaryEquityPercentage_8a9b7ee0-639d-405a-8ec6-b90e08d8ca28" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PaymentsToRedeemTemporaryEquity_e929e6fb-dee5-44cb-bc68-90f176af644c" xlink:href="bakkt-20211231.xsd#bakkt_PaymentsToRedeemTemporaryEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_bakkt_PaymentsToRedeemTemporaryEquity_e929e6fb-dee5-44cb-bc68-90f176af644c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_95be752a-918e-4b83-99c5-3998a3302afb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_95be752a-918e-4b83-99c5-3998a3302afb" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DeferredCompensationArrangementWithIndividualSharesOutstanding_8450bf9b-80b5-4e1a-8759-64b299306f01" xlink:href="bakkt-20211231.xsd#bakkt_DeferredCompensationArrangementWithIndividualSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_bakkt_DeferredCompensationArrangementWithIndividualSharesOutstanding_8450bf9b-80b5-4e1a-8759-64b299306f01" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_a4714210-217e-4130-acfa-d39f3120cca8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_a4714210-217e-4130-acfa-d39f3120cca8" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BusinessCombinationPercentageOfAwardsVested_0a614383-dbdb-4bb7-8d56-32e2b51260b2" xlink:href="bakkt-20211231.xsd#bakkt_BusinessCombinationPercentageOfAwardsVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_bakkt_BusinessCombinationPercentageOfAwardsVested_0a614383-dbdb-4bb7-8d56-32e2b51260b2" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_72e3b7a0-c942-4aae-b06a-0f229e00e77d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost_72e3b7a0-c942-4aae-b06a-0f229e00e77d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DeferredCompensationArrangementWithIndividualCostNotYetRecognized_0b0fc931-80d8-45d7-aad3-1a323a8d5465" xlink:href="bakkt-20211231.xsd#bakkt_DeferredCompensationArrangementWithIndividualCostNotYetRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_bakkt_DeferredCompensationArrangementWithIndividualCostNotYetRecognized_0b0fc931-80d8-45d7-aad3-1a323a8d5465" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_a7a33e29-a54b-41a7-98fb-2c78f9803f3d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualSharesIssued_a7a33e29-a54b-41a7-98fb-2c78f9803f3d" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualMaximumContractualTerm1_70bd70ce-da84-4b68-85e7-f626b12ed22f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualMaximumContractualTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualMaximumContractualTerm1_70bd70ce-da84-4b68-85e7-f626b12ed22f" xlink:type="arc" order="16"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_f5795e7d-8679-4bc3-a7a8-c2847dbf929f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability_f5795e7d-8679-4bc3-a7a8-c2847dbf929f" xlink:type="arc" order="17"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_dbc2c4f8-d097-4800-81a3-caf62968dbb3" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis_a9d60907-679b-4e3c-9c2d-e8e5ed2f9ef0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:to="loc_us-gaap_PlanNameAxis_a9d60907-679b-4e3c-9c2d-e8e5ed2f9ef0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_a9d60907-679b-4e3c-9c2d-e8e5ed2f9ef0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_PlanNameAxis_a9d60907-679b-4e3c-9c2d-e8e5ed2f9ef0" xlink:to="loc_us-gaap_PlanNameDomain_a9d60907-679b-4e3c-9c2d-e8e5ed2f9ef0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain_14587542-7325-49b8-ad41-6c0e8fd6d68e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_PlanNameAxis_a9d60907-679b-4e3c-9c2d-e8e5ed2f9ef0" xlink:to="loc_us-gaap_PlanNameDomain_14587542-7325-49b8-ad41-6c0e8fd6d68e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_A2021OmnibusIncentivePlanMember_6abb603d-f3e7-4ddd-8b0f-c7c969a8e109" xlink:href="bakkt-20211231.xsd#bakkt_A2021OmnibusIncentivePlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_14587542-7325-49b8-ad41-6c0e8fd6d68e" xlink:to="loc_bakkt_A2021OmnibusIncentivePlanMember_6abb603d-f3e7-4ddd-8b0f-c7c969a8e109" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoPlanMember_ab10f92b-0ec2-4ddd-a507-9f61ade2f56d" xlink:href="bakkt-20211231.xsd#bakkt_OpcoPlanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PlanNameDomain_14587542-7325-49b8-ad41-6c0e8fd6d68e" xlink:to="loc_bakkt_OpcoPlanMember_ab10f92b-0ec2-4ddd-a507-9f61ade2f56d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_6ea0e11c-f590-4aa9-99c6-8ccd4b16a1ac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:to="loc_us-gaap_AwardTypeAxis_6ea0e11c-f590-4aa9-99c6-8ccd4b16a1ac" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6ea0e11c-f590-4aa9-99c6-8ccd4b16a1ac_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_6ea0e11c-f590-4aa9-99c6-8ccd4b16a1ac" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_6ea0e11c-f590-4aa9-99c6-8ccd4b16a1ac_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_895b3c85-4b10-4a87-b2cd-6bf6fdac1e78" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_6ea0e11c-f590-4aa9-99c6-8ccd4b16a1ac" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_895b3c85-4b10-4a87-b2cd-6bf6fdac1e78" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_c837cb11-10e3-498d-9063-cb2c02f8cda7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_895b3c85-4b10-4a87-b2cd-6bf6fdac1e78" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_c837cb11-10e3-498d-9063-cb2c02f8cda7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PerformanceStockUnitsMember_5f8299b6-69c5-4cd2-82c5-e07cfea19d2d" xlink:href="bakkt-20211231.xsd#bakkt_PerformanceStockUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_895b3c85-4b10-4a87-b2cd-6bf6fdac1e78" xlink:to="loc_bakkt_PerformanceStockUnitsMember_5f8299b6-69c5-4cd2-82c5-e07cfea19d2d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PreferredIncentiveUnitsMember_2d99e433-bd3d-46b4-931c-b4ab81c43c5f" xlink:href="bakkt-20211231.xsd#bakkt_PreferredIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_895b3c85-4b10-4a87-b2cd-6bf6fdac1e78" xlink:to="loc_bakkt_PreferredIncentiveUnitsMember_2d99e433-bd3d-46b4-931c-b4ab81c43c5f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonIncentiveUnitsMember_ff31d2e7-b227-47b3-8eaa-c989ec96d3e8" xlink:href="bakkt-20211231.xsd#bakkt_CommonIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_895b3c85-4b10-4a87-b2cd-6bf6fdac1e78" xlink:to="loc_bakkt_CommonIncentiveUnitsMember_ff31d2e7-b227-47b3-8eaa-c989ec96d3e8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_524fe50d-ee13-4f82-a21b-aee8507f1464" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_524fe50d-ee13-4f82-a21b-aee8507f1464" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_524fe50d-ee13-4f82-a21b-aee8507f1464_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_524fe50d-ee13-4f82-a21b-aee8507f1464" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_524fe50d-ee13-4f82-a21b-aee8507f1464_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_4c2a361b-cf64-476a-897a-ad01b1cc3e25" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_524fe50d-ee13-4f82-a21b-aee8507f1464" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_4c2a361b-cf64-476a-897a-ad01b1cc3e25" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_0671ccb4-f6eb-4aee-8660-1db1d0cedaec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_4c2a361b-cf64-476a-897a-ad01b1cc3e25" xlink:to="loc_us-gaap_SubsequentEventMember_0671ccb4-f6eb-4aee-8660-1db1d0cedaec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_1310d796-71b6-4ef4-aadb-649dcc68d160" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_1310d796-71b6-4ef4-aadb-649dcc68d160" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1310d796-71b6-4ef4-aadb-649dcc68d160_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1310d796-71b6-4ef4-aadb-649dcc68d160" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_1310d796-71b6-4ef4-aadb-649dcc68d160_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0ced17e3-fc67-45f3-b43d-89a089e39140" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_1310d796-71b6-4ef4-aadb-649dcc68d160" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0ced17e3-fc67-45f3-b43d-89a089e39140" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OpcoMember_5d10b4c8-93d3-47f2-acf3-1feb1dae2cf1" xlink:href="bakkt-20211231.xsd#bakkt_OpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0ced17e3-fc67-45f3-b43d-89a089e39140" xlink:to="loc_bakkt_OpcoMember_5d10b4c8-93d3-47f2-acf3-1feb1dae2cf1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_fbef0c10-fe94-4062-b654-e6dff4202a48" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_59e3ad17-1d08-4cdd-abf0-b115da897880" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_fbef0c10-fe94-4062-b654-e6dff4202a48" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_fbef0c10-fe94-4062-b654-e6dff4202a48_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_fbef0c10-fe94-4062-b654-e6dff4202a48" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_fbef0c10-fe94-4062-b654-e6dff4202a48_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_11c3407f-fda7-4724-8532-f29a1a855795" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis_fbef0c10-fe94-4062-b654-e6dff4202a48" xlink:to="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_11c3407f-fda7-4724-8532-f29a1a855795" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_564e04a1-6c1c-4b83-a854-cb00234e57f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityBasedArrangementsIndividualContractsTypeOfDeferredCompensationDomain_11c3407f-fda7-4724-8532-f29a1a855795" xlink:to="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_564e04a1-6c1c-4b83-a854-cb00234e57f7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationRSUActivityDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ShareBasedandUnitBasedCompensationRSUActivityDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationRSUActivityDetails" xlink:type="extended" id="ibdd6b0ef62cf4079b96e1e3362a423d9_ShareBasedandUnitBasedCompensationRSUActivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_100a64dc-7c94-45bb-a8de-a7359062fc0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_100a64dc-7c94-45bb-a8de-a7359062fc0a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_f5421543-370d-4237-bcd1-e87da5861c05" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_100a64dc-7c94-45bb-a8de-a7359062fc0a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_f5421543-370d-4237-bcd1-e87da5861c05" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_48580e8f-1e56-4404-866b-f1389bdc45e1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_100a64dc-7c94-45bb-a8de-a7359062fc0a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_48580e8f-1e56-4404-866b-f1389bdc45e1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_031b56db-4352-4830-9ce7-ce1e842321e8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_100a64dc-7c94-45bb-a8de-a7359062fc0a" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_031b56db-4352-4830-9ce7-ce1e842321e8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_cc20ec82-7bd9-4a91-81bc-5d253e986dda" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_ede457c2-6f90-448e-a75a-dacc152ea320" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_ede457c2-6f90-448e-a75a-dacc152ea320" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_db326f1d-c5d2-41ff-a6b4-0b8eac324ab2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_db326f1d-c5d2-41ff-a6b4-0b8eac324ab2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_64a1e547-196d-44f8-9381-b82c93ff3f17" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_db326f1d-c5d2-41ff-a6b4-0b8eac324ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_64a1e547-196d-44f8-9381-b82c93ff3f17" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ba3b82e2-dbd4-49c4-8156-25ecc3ae1404" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_db326f1d-c5d2-41ff-a6b4-0b8eac324ab2" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_ba3b82e2-dbd4-49c4-8156-25ecc3ae1404" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_2b42ec88-ff5a-42e7-86f4-28bcc333278c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_2b42ec88-ff5a-42e7-86f4-28bcc333278c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_1755bdeb-6307-4aa8-a8a0-5b609834847d" xlink:href="bakkt-20211231.xsd#bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_2b42ec88-ff5a-42e7-86f4-28bcc333278c" xlink:to="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_1755bdeb-6307-4aa8-a8a0-5b609834847d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber_e4f7a42c-7048-46dc-9020-ad9a225d310f" xlink:href="bakkt-20211231.xsd#bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:to="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber_e4f7a42c-7048-46dc-9020-ad9a225d310f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58238dcc-1bbf-4a1b-a0df-937e817cfb3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_e365bb01-ce4f-435f-98b9-c2ce2fc2b326" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58238dcc-1bbf-4a1b-a0df-937e817cfb3f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_c18e2361-43fe-4d7d-a480-328ee8c825d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_58238dcc-1bbf-4a1b-a0df-937e817cfb3f" xlink:to="loc_us-gaap_AwardTypeAxis_c18e2361-43fe-4d7d-a480-328ee8c825d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c18e2361-43fe-4d7d-a480-328ee8c825d7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_c18e2361-43fe-4d7d-a480-328ee8c825d7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c18e2361-43fe-4d7d-a480-328ee8c825d7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_da6287aa-002a-4b61-8586-92070e06c435" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_c18e2361-43fe-4d7d-a480-328ee8c825d7" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_da6287aa-002a-4b61-8586-92070e06c435" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_0eee3e76-bf55-4400-9ee0-30c8b050ea65" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_da6287aa-002a-4b61-8586-92070e06c435" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_0eee3e76-bf55-4400-9ee0-30c8b050ea65" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationCompensationExpenseDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ShareBasedandUnitBasedCompensationCompensationExpenseDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationCompensationExpenseDetails" xlink:type="extended" id="iaff0bbaadf5a4e7f91c41f34d2b14488_ShareBasedandUnitBasedCompensationCompensationExpenseDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_be7f643a-0012-4ed3-8408-e0daa647f01e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllocatedShareBasedCompensationExpense_b612bfdc-1add-40b3-a772-fcef8745ee16" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AllocatedShareBasedCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_be7f643a-0012-4ed3-8408-e0daa647f01e" xlink:to="loc_us-gaap_AllocatedShareBasedCompensationExpense_b612bfdc-1add-40b3-a772-fcef8745ee16" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_48bebccc-ff87-4b91-a891-16ad20715b9b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_be7f643a-0012-4ed3-8408-e0daa647f01e" xlink:to="loc_us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense_48bebccc-ff87-4b91-a891-16ad20715b9b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ShareBasedPaymentArrangementExpenseAndDeferredCompensationArrangementWithIndividualCompensationExpense_c1e362ca-b774-47b5-adaf-31183655419d" xlink:href="bakkt-20211231.xsd#bakkt_ShareBasedPaymentArrangementExpenseAndDeferredCompensationArrangementWithIndividualCompensationExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_be7f643a-0012-4ed3-8408-e0daa647f01e" xlink:to="loc_bakkt_ShareBasedPaymentArrangementExpenseAndDeferredCompensationArrangementWithIndividualCompensationExpense_c1e362ca-b774-47b5-adaf-31183655419d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_650e0309-8401-4d11-bd11-da40f2246778" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_be7f643a-0012-4ed3-8408-e0daa647f01e" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_650e0309-8401-4d11-bd11-da40f2246778" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_c6e1734f-3f0e-48c6-8cbd-4472743ad914" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_650e0309-8401-4d11-bd11-da40f2246778" xlink:to="loc_us-gaap_AwardTypeAxis_c6e1734f-3f0e-48c6-8cbd-4472743ad914" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c6e1734f-3f0e-48c6-8cbd-4472743ad914_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_c6e1734f-3f0e-48c6-8cbd-4472743ad914" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_c6e1734f-3f0e-48c6-8cbd-4472743ad914_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b401a77c-0110-404b-a289-2c20d22ec00b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_c6e1734f-3f0e-48c6-8cbd-4472743ad914" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b401a77c-0110-404b-a289-2c20d22ec00b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonIncentiveUnitsMember_1ed11320-1f3b-4ddd-ad66-51ff1186b70d" xlink:href="bakkt-20211231.xsd#bakkt_CommonIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b401a77c-0110-404b-a289-2c20d22ec00b" xlink:to="loc_bakkt_CommonIncentiveUnitsMember_1ed11320-1f3b-4ddd-ad66-51ff1186b70d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PreferredIncentiveUnitsMember_9f4cafc9-22c3-4689-ae26-419a9b00db93" xlink:href="bakkt-20211231.xsd#bakkt_PreferredIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_b401a77c-0110-404b-a289-2c20d22ec00b" xlink:to="loc_bakkt_PreferredIncentiveUnitsMember_9f4cafc9-22c3-4689-ae26-419a9b00db93" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationUnitActivityDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ShareBasedandUnitBasedCompensationUnitActivityDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationUnitActivityDetails" xlink:type="extended" id="id367580ecabe4337aa997b6220c1de9a_ShareBasedandUnitBasedCompensationUnitActivityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c3db8e5d-af4e-49f0-bc7e-703f22a3d457" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c3db8e5d-af4e-49f0-bc7e-703f22a3d457" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_a68261bd-8dbb-46be-9c9d-d0b37082d9c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c3db8e5d-af4e-49f0-bc7e-703f22a3d457" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_a68261bd-8dbb-46be-9c9d-d0b37082d9c4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_717dda85-53ba-48c2-8f07-7fc95b2cae3e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c3db8e5d-af4e-49f0-bc7e-703f22a3d457" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_717dda85-53ba-48c2-8f07-7fc95b2cae3e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_6888b519-573f-4da8-8bae-42b96aca4b0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedRollForward_c3db8e5d-af4e-49f0-bc7e-703f22a3d457" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod_6888b519-573f-4da8-8bae-42b96aca4b0a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber_5a1501fe-87af-4cf2-a192-c7d399b0da98" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_092f2384-a9cc-406b-8985-2a62d4a9ac1d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOutstandingWeightedAverageRemainingContractualTerms_092f2384-a9cc-406b-8985-2a62d4a9ac1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e4c94f80-bae2-4ecb-b29b-e69c214dcd96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e4c94f80-bae2-4ecb-b29b-e69c214dcd96" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_cdff1f3c-a4fc-442a-bdc6-f1f2de13d2ca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e4c94f80-bae2-4ecb-b29b-e69c214dcd96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_cdff1f3c-a4fc-442a-bdc6-f1f2de13d2ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7ff0100d-70fa-4b00-b42e-1b217770a72b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e4c94f80-bae2-4ecb-b29b-e69c214dcd96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_7ff0100d-70fa-4b00-b42e-1b217770a72b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_bf71d162-a5f5-4e37-bba9-971134d07d15" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValueRollForward_e4c94f80-bae2-4ecb-b29b-e69c214dcd96" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue_bf71d162-a5f5-4e37-bba9-971134d07d15" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue_20c2eb06-6b96-4c99-97e5-1b714f4cd49b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_7e6eb130-6390-46c9-8acb-8ba77697a1e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_7e6eb130-6390-46c9-8acb-8ba77697a1e2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_70c4675b-700b-46d7-b329-298163fcbd3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_7e6eb130-6390-46c9-8acb-8ba77697a1e2" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueOutstanding_70c4675b-700b-46d7-b329-298163fcbd3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_3627f10b-f9af-4cfb-8d89-775490ff76b3" xlink:href="bakkt-20211231.xsd#bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueAbstract_7e6eb130-6390-46c9-8acb-8ba77697a1e2" xlink:to="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueGranted_3627f10b-f9af-4cfb-8d89-775490ff76b3" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber_ed490a2c-e4e4-4b90-bfc3-5b82337df7eb" xlink:href="bakkt-20211231.xsd#bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedNumber_ed490a2c-e4e4-4b90-bfc3-5b82337df7eb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_de87af48-e7f5-4b25-bd1d-ca8a2215c141" xlink:href="bakkt-20211231.xsd#bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_bakkt_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsAggregateIntrinsicValueVested_de87af48-e7f5-4b25-bd1d-ca8a2215c141" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ef0186c7-df0c-4b37-a813-197e16d647a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_fbe4cc7b-9877-4608-9e03-e46edd45eb63" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ef0186c7-df0c-4b37-a813-197e16d647a7" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis_016a8c68-a93f-4897-8b6b-72cc380a1033" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AwardTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_ef0186c7-df0c-4b37-a813-197e16d647a7" xlink:to="loc_us-gaap_AwardTypeAxis_016a8c68-a93f-4897-8b6b-72cc380a1033" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_016a8c68-a93f-4897-8b6b-72cc380a1033_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AwardTypeAxis_016a8c68-a93f-4897-8b6b-72cc380a1033" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_016a8c68-a93f-4897-8b6b-72cc380a1033_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f81a341-0f29-4fd8-a889-6daeca0120d2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AwardTypeAxis_016a8c68-a93f-4897-8b6b-72cc380a1033" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f81a341-0f29-4fd8-a889-6daeca0120d2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonIncentiveUnitsMember_07b514fe-3d90-414d-9114-8e986f38b0c5" xlink:href="bakkt-20211231.xsd#bakkt_CommonIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f81a341-0f29-4fd8-a889-6daeca0120d2" xlink:to="loc_bakkt_CommonIncentiveUnitsMember_07b514fe-3d90-414d-9114-8e986f38b0c5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PreferredIncentiveUnitsMember_dd013256-961c-4ecc-bde9-c9d23ad42e77" xlink:href="bakkt-20211231.xsd#bakkt_PreferredIncentiveUnitsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8f81a341-0f29-4fd8-a889-6daeca0120d2" xlink:to="loc_bakkt_PreferredIncentiveUnitsMember_dd013256-961c-4ecc-bde9-c9d23ad42e77" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationValuationAssumptionsDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#ShareBasedandUnitBasedCompensationValuationAssumptionsDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/ShareBasedandUnitBasedCompensationValuationAssumptionsDetails" xlink:type="extended" id="ibd764129c80e41ab9a53047cf6e628cb_ShareBasedandUnitBasedCompensationValuationAssumptionsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_d507af3d-4e73-4507-bf2c-336896ec0436" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_d507af3d-4e73-4507-bf2c-336896ec0436" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_64927bd3-0c62-4956-9c56-d12a46255ce3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_64927bd3-0c62-4956-9c56-d12a46255ce3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_0b680ef1-e529-4a70-93a6-bfa659ca6308" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_0b680ef1-e529-4a70-93a6-bfa659ca6308" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_f43a4da5-913e-4211-8ceb-6d7191c995ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate_f43a4da5-913e-4211-8ceb-6d7191c995ce" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_840bee49-b92d-4377-b57e-0cad58d10005" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_840bee49-b92d-4377-b57e-0cad58d10005" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_c57f8594-1b8c-4d09-b1e6-b018e6c39e3a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_c57f8594-1b8c-4d09-b1e6-b018e6c39e3a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_d92b62f1-26b9-4fcb-ae64-278825518f68" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate_d92b62f1-26b9-4fcb-ae64-278825518f68" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_37b0b413-ac73-4494-bd58-ccbd77356130" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_37b0b413-ac73-4494-bd58-ccbd77356130" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForPostvestingRestrictions_6010cfab-94ce-444a-a09c-9b49105f9ab6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForPostvestingRestrictions"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsDiscountForPostvestingRestrictions_6010cfab-94ce-444a-a09c-9b49105f9ab6" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3790931f-4c3a-47d4-9bb1-e2d9a8deffb2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_30293c55-8bcb-456f-a8f6-d6172cbe06af" xlink:to="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3790931f-4c3a-47d4-9bb1-e2d9a8deffb2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_e0dcd847-e64c-4a59-a562-bc24d8b8d551" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_3790931f-4c3a-47d4-9bb1-e2d9a8deffb2" xlink:to="loc_srt_RangeAxis_e0dcd847-e64c-4a59-a562-bc24d8b8d551" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_e0dcd847-e64c-4a59-a562-bc24d8b8d551_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_e0dcd847-e64c-4a59-a562-bc24d8b8d551" xlink:to="loc_srt_RangeMember_e0dcd847-e64c-4a59-a562-bc24d8b8d551_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_6c3de3c8-5dd8-4e2a-8837-6dfb77cf83d6" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_e0dcd847-e64c-4a59-a562-bc24d8b8d551" xlink:to="loc_srt_RangeMember_6c3de3c8-5dd8-4e2a-8837-6dfb77cf83d6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_e602660e-5ed0-4a74-b691-451fb9ab70e3" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_6c3de3c8-5dd8-4e2a-8837-6dfb77cf83d6" xlink:to="loc_srt_MinimumMember_e602660e-5ed0-4a74-b691-451fb9ab70e3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_f03e6edd-52f7-4f17-9c26-07c2234a2f86" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_6c3de3c8-5dd8-4e2a-8837-6dfb77cf83d6" xlink:to="loc_srt_MaximumMember_f03e6edd-52f7-4f17-9c26-07c2234a2f86" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/NetLosspershareAntidilutiveSharesExcludedFromComputationDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#NetLosspershareAntidilutiveSharesExcludedFromComputationDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/NetLosspershareAntidilutiveSharesExcludedFromComputationDetails" xlink:type="extended" id="i20e5c7ac74444e6c8b4d73aa64621615_NetLosspershareAntidilutiveSharesExcludedFromComputationDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_04fd05a4-617b-4078-8b6c-e1ec3f403b00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_36af50d7-7627-415a-85e2-c0efceade807" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_04fd05a4-617b-4078-8b6c-e1ec3f403b00" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_36af50d7-7627-415a-85e2-c0efceade807" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_bc72bbba-cf56-48ee-af57-690e793e9d69" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_04fd05a4-617b-4078-8b6c-e1ec3f403b00" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_bc72bbba-cf56-48ee-af57-690e793e9d69" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_f9ba2d7b-c913-478a-8b22-7f21b36576c3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_bc72bbba-cf56-48ee-af57-690e793e9d69" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_f9ba2d7b-c913-478a-8b22-7f21b36576c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_f9ba2d7b-c913-478a-8b22-7f21b36576c3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_f9ba2d7b-c913-478a-8b22-7f21b36576c3" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_f9ba2d7b-c913-478a-8b22-7f21b36576c3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_f9ba2d7b-c913-478a-8b22-7f21b36576c3" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember_c4c19890-297c-4885-b5c5-08fad36994d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:to="loc_us-gaap_RestrictedStockUnitsRSUMember_c4c19890-297c-4885-b5c5-08fad36994d1" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_2460a753-0fbb-4ba4-9c92-5355adc1d0d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:to="loc_us-gaap_WarrantMember_2460a753-0fbb-4ba4-9c92-5355adc1d0d1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantOpcoMember_ee5f3b9b-e9d3-468e-b20c-a40e84130ebb" xlink:href="bakkt-20211231.xsd#bakkt_WarrantOpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:to="loc_bakkt_WarrantOpcoMember_ee5f3b9b-e9d3-468e-b20c-a40e84130ebb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_IncentiveUnitsOpcoMember_47178865-e868-4c30-8de9-72c3807e0e2b" xlink:href="bakkt-20211231.xsd#bakkt_IncentiveUnitsOpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:to="loc_bakkt_IncentiveUnitsOpcoMember_47178865-e868-4c30-8de9-72c3807e0e2b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_CommonUnitsOpcoMember_f8977ea2-d445-4afc-8b4f-87c99c468fe5" xlink:href="bakkt-20211231.xsd#bakkt_CommonUnitsOpcoMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_fa84709b-5a85-48bb-beef-2331fe072a85" xlink:to="loc_bakkt_CommonUnitsOpcoMember_f8977ea2-d445-4afc-8b4f-87c99c468fe5" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/CapitalRequirementsDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#CapitalRequirementsDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/CapitalRequirementsDetails" xlink:type="extended" id="i0efe9d41f86f4112a5cbbd8986fc9847_CapitalRequirementsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:href="bakkt-20211231.xsd#bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RegulatoryCapitalRequirementsNetWorthMinimum_8ac355b4-936a-4aab-b4e5-3e5a1f60edcd" xlink:href="bakkt-20211231.xsd#bakkt_RegulatoryCapitalRequirementsNetWorthMinimum"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_bakkt_RegulatoryCapitalRequirementsNetWorthMinimum_8ac355b4-936a-4aab-b4e5-3e5a1f60edcd" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_4f358b99-d4da-4d52-a9dc-7bcd91d91eec" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_us-gaap_RestrictedCashCurrent_4f358b99-d4da-4d52-a9dc-7bcd91d91eec" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RegulatoryCapitalRequirementsAdjustedNetCapitalAmount_b55f0a07-5dd9-4fee-aee2-b0b1302bb57e" xlink:href="bakkt-20211231.xsd#bakkt_RegulatoryCapitalRequirementsAdjustedNetCapitalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_bakkt_RegulatoryCapitalRequirementsAdjustedNetCapitalAmount_b55f0a07-5dd9-4fee-aee2-b0b1302bb57e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_RegulatoryCapitalRequirementsAdjustedNetCapitalPercent_5171c3bf-3b95-4c1b-80a0-66ca7649f3c9" xlink:href="bakkt-20211231.xsd#bakkt_RegulatoryCapitalRequirementsAdjustedNetCapitalPercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_bakkt_RegulatoryCapitalRequirementsAdjustedNetCapitalPercent_5171c3bf-3b95-4c1b-80a0-66ca7649f3c9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_AdjustedNetCapitalActualAmount_7efed6ef-eded-4884-b878-8a817cb5c3d6" xlink:href="bakkt-20211231.xsd#bakkt_AdjustedNetCapitalActualAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_bakkt_AdjustedNetCapitalActualAmount_7efed6ef-eded-4884-b878-8a817cb5c3d6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_TangibleMembersEquity_c12ca833-0fb9-43af-a23c-fdc99b3f4c32" xlink:href="bakkt-20211231.xsd#bakkt_TangibleMembersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_bakkt_TangibleMembersEquity_c12ca833-0fb9-43af-a23c-fdc99b3f4c32" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsTable_fe80249e-8e2e-4e7e-b957-90939ae38cb2" xlink:href="bakkt-20211231.xsd#bakkt_FinancialServicesBankingAndThriftCapitalRequirementsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsLineItems_783df8c8-4524-4ba3-bd1a-a014d96e2451" xlink:to="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsTable_fe80249e-8e2e-4e7e-b957-90939ae38cb2" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_9777ff0f-6829-4d67-a0ee-a723137817a8" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_bakkt_FinancialServicesBankingAndThriftCapitalRequirementsTable_fe80249e-8e2e-4e7e-b957-90939ae38cb2" xlink:to="loc_dei_LegalEntityAxis_9777ff0f-6829-4d67-a0ee-a723137817a8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_9777ff0f-6829-4d67-a0ee-a723137817a8_default" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_9777ff0f-6829-4d67-a0ee-a723137817a8" xlink:to="loc_dei_EntityDomain_9777ff0f-6829-4d67-a0ee-a723137817a8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_da349d71-b825-4913-88cb-c56265811971" xlink:href="https://xbrl.sec.gov/dei/2021q4/dei-2021q4.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_9777ff0f-6829-4d67-a0ee-a723137817a8" xlink:to="loc_dei_EntityDomain_da349d71-b825-4913-88cb-c56265811971" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BakktTrustMember_5f5deb3b-696d-46ff-8fb4-9c7a4ad982ec" xlink:href="bakkt-20211231.xsd#bakkt_BakktTrustMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_da349d71-b825-4913-88cb-c56265811971" xlink:to="loc_bakkt_BakktTrustMember_5f5deb3b-696d-46ff-8fb4-9c7a4ad982ec" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BakktClearingMember_e8cfa992-c38d-4ed4-8968-000127401d83" xlink:href="bakkt-20211231.xsd#bakkt_BakktClearingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_da349d71-b825-4913-88cb-c56265811971" xlink:to="loc_bakkt_BakktClearingMember_e8cfa992-c38d-4ed4-8968-000127401d83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_BakktMarketplaceMember_16c3fe16-9f7c-4c8d-abf1-7af2fb4a388e" xlink:href="bakkt-20211231.xsd#bakkt_BakktMarketplaceMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_da349d71-b825-4913-88cb-c56265811971" xlink:to="loc_bakkt_BakktMarketplaceMember_16c3fe16-9f7c-4c8d-abf1-7af2fb4a388e" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/IncomeTaxesNarrativeDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#IncomeTaxesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/IncomeTaxesNarrativeDetails" xlink:type="extended" id="i7d466ec05b294f0db8f47efa353feb92_IncomeTaxesNarrativeDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_66729e70-72d1-47f8-a437-55e8b54445f7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_66729e70-72d1-47f8-a437-55e8b54445f7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossAttributableToParent_041c3d44-d328-48ee-a109-2079224c433a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossAttributableToParent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_IncomeLossAttributableToParent_041c3d44-d328-48ee-a109-2079224c433a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossAttributableToNoncontrollingInterest_82e59cca-97a3-4f99-9f2a-8b4d7858ced1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_IncomeLossAttributableToNoncontrollingInterest_82e59cca-97a3-4f99-9f2a-8b4d7858ced1" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_FairValueAdjustmentOfWarrantsNonDeductibleExpense_8734e7ae-0469-4691-b01f-4d987ef47e8f" xlink:href="bakkt-20211231.xsd#bakkt_FairValueAdjustmentOfWarrantsNonDeductibleExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_bakkt_FairValueAdjustmentOfWarrantsNonDeductibleExpense_8734e7ae-0469-4691-b01f-4d987ef47e8f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_30041416-0560-46af-bfda-f0807ab96a5c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_30041416-0560-46af-bfda-f0807ab96a5c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_c9a9095f-e661-45fb-bf9c-6557fe6bf69a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_c9a9095f-e661-45fb-bf9c-6557fe6bf69a" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLossCarryforwards_baf9dd2c-d131-4313-8e96-fa8d48ea8f1b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_OperatingLossCarryforwards_baf9dd2c-d131-4313-8e96-fa8d48ea8f1b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OperatingLossCarryforwardsSubjectToExipration_a312bef4-3d0c-462c-ac8f-0061d422b3c9" xlink:href="bakkt-20211231.xsd#bakkt_OperatingLossCarryforwardsSubjectToExipration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_bakkt_OperatingLossCarryforwardsSubjectToExipration_a312bef4-3d0c-462c-ac8f-0061d422b3c9" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_OperatingLossCarryforwardsNotSubjectToExpiration_2eed0e7b-3277-4d25-ac2d-2001619bed2f" xlink:href="bakkt-20211231.xsd#bakkt_OperatingLossCarryforwardsNotSubjectToExpiration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_bakkt_OperatingLossCarryforwardsNotSubjectToExpiration_2eed0e7b-3277-4d25-ac2d-2001619bed2f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefits_cfad67bf-c493-4d6e-a77d-9a5d7b2b6e93" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefits"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_UnrecognizedTaxBenefits_cfad67bf-c493-4d6e-a77d-9a5d7b2b6e93" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_f881ef98-0ae0-4356-9695-7958f57116ed" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued_f881ef98-0ae0-4356-9695-7958f57116ed" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationTable_129a6624-ef4c-464b-9129-06644bad8682" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_4466572c-29d0-4722-ae55-e99e52315f53" xlink:to="loc_us-gaap_IncomeTaxExaminationTable_129a6624-ef4c-464b-9129-06644bad8682" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_81077baa-b5d6-460f-bf50-26c69546653d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_129a6624-ef4c-464b-9129-06644bad8682" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_81077baa-b5d6-460f-bf50-26c69546653d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_81077baa-b5d6-460f-bf50-26c69546653d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_81077baa-b5d6-460f-bf50-26c69546653d" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_81077baa-b5d6-460f-bf50-26c69546653d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_6d5100f0-9a8d-4666-8ed6-b5d4d4045129" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_81077baa-b5d6-460f-bf50-26c69546653d" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_6d5100f0-9a8d-4666-8ed6-b5d4d4045129" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DomesticCountryMember_dea85423-ff80-4979-a7a0-775db0a44cfe" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DomesticCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_6d5100f0-9a8d-4666-8ed6-b5d4d4045129" xlink:to="loc_us-gaap_DomesticCountryMember_dea85423-ff80-4979-a7a0-775db0a44cfe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StateAndLocalJurisdictionMember_60a59917-6433-46dc-80b1-d7696ae5beff" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_StateAndLocalJurisdictionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_6d5100f0-9a8d-4666-8ed6-b5d4d4045129" xlink:to="loc_us-gaap_StateAndLocalJurisdictionMember_60a59917-6433-46dc-80b1-d7696ae5beff" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails" xlink:type="extended" id="ib0de71ad4d754a68a5ee92885d31ffb8_IncomeTaxesScheduleofDeferredTaxAssetsandLiabilitiesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationLineItems_1d18c28c-7d8d-48bb-bd9d-4bd369bd510f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_1d18c28c-7d8d-48bb-bd9d-4bd369bd510f" xlink:to="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_8c292d86-eb2c-4e9f-b614-677cdb198edc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOperatingLossCarryforwards"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsOperatingLossCarryforwards_8c292d86-eb2c-4e9f-b614-677cdb198edc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_30777b15-be56-4a35-b797-3dc1cd6a21d6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost_30777b15-be56-4a35-b797-3dc1cd6a21d6" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DeferredTaxAssetsBusinessCombinationCosts_6d053134-490d-4bd6-818c-f79ae4622b9f" xlink:href="bakkt-20211231.xsd#bakkt_DeferredTaxAssetsBusinessCombinationCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_bakkt_DeferredTaxAssetsBusinessCombinationCosts_6d053134-490d-4bd6-818c-f79ae4622b9f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsDeferredIncome_e0f34383-e6c1-45ec-a487-991dd4e872c9" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsDeferredIncome"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsDeferredIncome_e0f34383-e6c1-45ec-a487-991dd4e872c9" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_27f7df0e-06ff-4bec-ae50-549d4d283539" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment_27f7df0e-06ff-4bec-ae50-549d4d283539" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsOther_13781d5d-32c2-49df-9a4f-722934f84682" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsOther_13781d5d-32c2-49df-9a4f-722934f84682" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsGross_95fd6235-e4cd-4c09-a684-b2734282c058" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsGross"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsGross_95fd6235-e4cd-4c09-a684-b2734282c058" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e9e50723-d4f6-4572-8949-a3dc708d78f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsValuationAllowance"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsValuationAllowance_e9e50723-d4f6-4572-8949-a3dc708d78f3" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_6001a3d4-f5c3-4bf4-9c7d-e5b84b840235" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxAssetsLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxAssetsNetAbstract_944578fc-ad85-4497-8d87-861c8cf5172b" xlink:to="loc_us-gaap_DeferredTaxAssetsLiabilitiesNet_6001a3d4-f5c3-4bf4-9c7d-e5b84b840235" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNetAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_1d18c28c-7d8d-48bb-bd9d-4bd369bd510f" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesInvestments_88369b26-7507-4512-8b38-3077a3a32973" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesInvestments"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesInvestments_88369b26-7507-4512-8b38-3077a3a32973" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_DeferredTaxLiabilitiesIntercompanyAsset_8552b762-b88b-402b-8d1c-73f2bac130a9" xlink:href="bakkt-20211231.xsd#bakkt_DeferredTaxLiabilitiesIntercompanyAsset"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:to="loc_bakkt_DeferredTaxLiabilitiesIntercompanyAsset_8552b762-b88b-402b-8d1c-73f2bac130a9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_36d93afd-5112-459f-829c-8574217653c8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets_36d93afd-5112-459f-829c-8574217653c8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesOther_3f722bd6-0202-486d-bd59-2ac5a44593fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilitiesOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesOther_3f722bd6-0202-486d-bd59-2ac5a44593fc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilities_6dac1786-a2fb-4f02-a618-98b7b56740aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredIncomeTaxLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DeferredTaxLiabilitiesNetAbstract_94801f11-8219-4cf3-9473-ae5ff121dbe7" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilities_6dac1786-a2fb-4f02-a618-98b7b56740aa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredTaxLiabilities_28edd1ef-5f5f-4887-8e47-091828c97f7d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DeferredTaxLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_1d18c28c-7d8d-48bb-bd9d-4bd369bd510f" xlink:to="loc_us-gaap_DeferredTaxLiabilities_28edd1ef-5f5f-4887-8e47-091828c97f7d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationTable_edce65f0-fa61-4361-a91d-8cf0f8baca0a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExaminationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeTaxExaminationLineItems_1d18c28c-7d8d-48bb-bd9d-4bd369bd510f" xlink:to="loc_us-gaap_IncomeTaxExaminationTable_edce65f0-fa61-4361-a91d-8cf0f8baca0a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6fff6cb5-c436-475c-8488-189626180689" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeTaxExaminationTable_edce65f0-fa61-4361-a91d-8cf0f8baca0a" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6fff6cb5-c436-475c-8488-189626180689" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6fff6cb5-c436-475c-8488-189626180689_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6fff6cb5-c436-475c-8488-189626180689" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_6fff6cb5-c436-475c-8488-189626180689_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a3e435ad-a977-4ab0-817b-1b128d41f011" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_6fff6cb5-c436-475c-8488-189626180689" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a3e435ad-a977-4ab0-817b-1b128d41f011" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_e263cc7a-98e8-4f63-921d-5ff84ca0ca41" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a3e435ad-a977-4ab0-817b-1b128d41f011" xlink:to="loc_us-gaap_CustomerRelationshipsMember_e263cc7a-98e8-4f63-921d-5ff84ca0ca41" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_0aa8e643-1044-48d3-ba08-2ab71a2e5eba" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_TechnologyBasedIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a3e435ad-a977-4ab0-817b-1b128d41f011" xlink:to="loc_us-gaap_TechnologyBasedIntangibleAssetsMember_0aa8e643-1044-48d3-ba08-2ab71a2e5eba" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_0c34cabc-7545-44e7-be36-958d8ce5aa3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_a3e435ad-a977-4ab0-817b-1b128d41f011" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_0c34cabc-7545-44e7-be36-958d8ce5aa3f" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/FairValueMeasurementsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#FairValueMeasurementsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/FairValueMeasurementsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails" xlink:type="extended" id="i2d3616bf34ba48c7aaf9b7fa1d3f4635_FairValueMeasurementsScheduleofFairValueAssetsandLiabilitiesMeasuredonRecurringBasisDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_11283ebd-5ea0-4b40-94b9-1eb10cf91aaf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_78cc1880-09d8-4996-8798-8e35ddbb6821" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_11283ebd-5ea0-4b40-94b9-1eb10cf91aaf" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_78cc1880-09d8-4996-8798-8e35ddbb6821" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_WarrantLiability_a4c97623-69c7-466f-9dda-db7c67bfb007" xlink:href="bakkt-20211231.xsd#bakkt_WarrantLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_78cc1880-09d8-4996-8798-8e35ddbb6821" xlink:to="loc_bakkt_WarrantLiability_a4c97623-69c7-466f-9dda-db7c67bfb007" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_acc9a35a-4d95-4646-ac1a-58ae838aff5b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesFairValueDisclosureAbstract_78cc1880-09d8-4996-8798-8e35ddbb6821" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_acc9a35a-4d95-4646-ac1a-58ae838aff5b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosureAbstract_046a3664-0c75-4a44-a481-633bafabce3f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosureAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_11283ebd-5ea0-4b40-94b9-1eb10cf91aaf" xlink:to="loc_us-gaap_AssetsFairValueDisclosureAbstract_046a3664-0c75-4a44-a481-633bafabce3f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure_355318ca-8674-4913-a0b4-a6c5f3f5c4a0" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_046a3664-0c75-4a44-a481-633bafabce3f" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVenturesFairValueDisclosure_355318ca-8674-4913-a0b4-a6c5f3f5c4a0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_3e572830-33c4-4277-a81c-31d919f5d79d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsFairValueDisclosureAbstract_046a3664-0c75-4a44-a481-633bafabce3f" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_3e572830-33c4-4277-a81c-31d919f5d79d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a8358de1-bd74-44fc-af36-c7b94caf62aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_11283ebd-5ea0-4b40-94b9-1eb10cf91aaf" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a8358de1-bd74-44fc-af36-c7b94caf62aa" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightAxis_7b379a42-b306-4769-a176-e028cd91c124" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a8358de1-bd74-44fc-af36-c7b94caf62aa" xlink:to="loc_us-gaap_ClassOfWarrantOrRightAxis_7b379a42-b306-4769-a176-e028cd91c124" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_7b379a42-b306-4769-a176-e028cd91c124_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_7b379a42-b306-4769-a176-e028cd91c124" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_7b379a42-b306-4769-a176-e028cd91c124_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfWarrantOrRightDomain_0b14496f-1d75-4817-ae03-43494ed62334" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ClassOfWarrantOrRightDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ClassOfWarrantOrRightAxis_7b379a42-b306-4769-a176-e028cd91c124" xlink:to="loc_us-gaap_ClassOfWarrantOrRightDomain_0b14496f-1d75-4817-ae03-43494ed62334" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_bakkt_PublicWarrantsMember_72475317-1d51-4708-9b9a-2fd0adcfc1b4" xlink:href="bakkt-20211231.xsd#bakkt_PublicWarrantsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfWarrantOrRightDomain_0b14496f-1d75-4817-ae03-43494ed62334" xlink:to="loc_bakkt_PublicWarrantsMember_72475317-1d51-4708-9b9a-2fd0adcfc1b4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b3421796-ff04-4fa1-bc71-74e51fa4d5fc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a8358de1-bd74-44fc-af36-c7b94caf62aa" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b3421796-ff04-4fa1-bc71-74e51fa4d5fc" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_b3421796-ff04-4fa1-bc71-74e51fa4d5fc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b3421796-ff04-4fa1-bc71-74e51fa4d5fc" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_b3421796-ff04-4fa1-bc71-74e51fa4d5fc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_e9b3b870-4f7e-4d21-a694-52e498d7ac6f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_b3421796-ff04-4fa1-bc71-74e51fa4d5fc" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_e9b3b870-4f7e-4d21-a694-52e498d7ac6f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_da0ebb68-f87a-4b92-91cc-445ace5182db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_e9b3b870-4f7e-4d21-a694-52e498d7ac6f" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_da0ebb68-f87a-4b92-91cc-445ace5182db" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7512c2ab-cef9-4ed0-92be-0f0f7001455e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_a8358de1-bd74-44fc-af36-c7b94caf62aa" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7512c2ab-cef9-4ed0-92be-0f0f7001455e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7512c2ab-cef9-4ed0-92be-0f0f7001455e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7512c2ab-cef9-4ed0-92be-0f0f7001455e" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7512c2ab-cef9-4ed0-92be-0f0f7001455e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_692fefb3-9362-44e9-9549-d33063e529a6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_7512c2ab-cef9-4ed0-92be-0f0f7001455e" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_692fefb3-9362-44e9-9549-d33063e529a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_76ffed6e-10a1-4fe3-8341-bf61a9231b00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_692fefb3-9362-44e9-9549-d33063e529a6" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_76ffed6e-10a1-4fe3-8341-bf61a9231b00" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_4f628431-5109-4ac3-a412-71203ad394bf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_692fefb3-9362-44e9-9549-d33063e529a6" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_4f628431-5109-4ac3-a412-71203ad394bf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_41f27725-4baa-4368-80c6-4997b67497a7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_692fefb3-9362-44e9-9549-d33063e529a6" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_41f27725-4baa-4368-80c6-4997b67497a7" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/FairValueMeasurementsReconciliationofWarrantLiabilityDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#FairValueMeasurementsReconciliationofWarrantLiabilityDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/FairValueMeasurementsReconciliationofWarrantLiabilityDetails" xlink:type="extended" id="ib3b40172daaa4a79acda350ca29d09a8_FairValueMeasurementsReconciliationofWarrantLiabilityDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e450adb7-8a87-4086-b42e-018a983a4f02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_d261b9ae-620a-4246-afb3-c0133dd5d490" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e450adb7-8a87-4086-b42e-018a983a4f02" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_d261b9ae-620a-4246-afb3-c0133dd5d490" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_2be5aa84-4224-4119-98ba-dc1175e12112" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_d261b9ae-620a-4246-afb3-c0133dd5d490" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_2be5aa84-4224-4119-98ba-dc1175e12112" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_7a2a40b3-3d63-4e7a-8b83-573c92d6a7db" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_d261b9ae-620a-4246-afb3-c0133dd5d490" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityGainLossIncludedInEarnings_7a2a40b3-3d63-4e7a-8b83-573c92d6a7db" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales_ce8ea465-a649-4e77-bbab-3be47e04cd96" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_d261b9ae-620a-4246-afb3-c0133dd5d490" xlink:to="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySales_ce8ea465-a649-4e77-bbab-3be47e04cd96" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue_0771761c-0d9a-42c3-9681-4301c83cec00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationsRecurringBasisLiabilityValue"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_6f763f37-4595-4c20-9eee-af3c5b248550" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_e450adb7-8a87-4086-b42e-018a983a4f02" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_6f763f37-4595-4c20-9eee-af3c5b248550" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByLiabilityClassAxis_26fbceda-c7ed-4cc8-9d5b-0439c2cc9864" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueByLiabilityClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationTable_6f763f37-4595-4c20-9eee-af3c5b248550" xlink:to="loc_us-gaap_FairValueByLiabilityClassAxis_26fbceda-c7ed-4cc8-9d5b-0439c2cc9864" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_26fbceda-c7ed-4cc8-9d5b-0439c2cc9864_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_26fbceda-c7ed-4cc8-9d5b-0439c2cc9864" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_26fbceda-c7ed-4cc8-9d5b-0439c2cc9864_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_9106311e-2505-46b2-bf1c-992f78bdd06f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByLiabilityClassAxis_26fbceda-c7ed-4cc8-9d5b-0439c2cc9864" xlink:to="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_9106311e-2505-46b2-bf1c-992f78bdd06f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WarrantMember_c1bc22f3-051b-4f0e-9a23-435506ff2f61" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationByLiabilityClassDomain_9106311e-2505-46b2-bf1c-992f78bdd06f" xlink:to="loc_us-gaap_WarrantMember_c1bc22f3-051b-4f0e-9a23-435506ff2f61" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/LeasesDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#LeasesDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/LeasesDetails" xlink:type="extended" id="i394dc60b7e764a8e8418f8987b96b926_LeasesDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionLineItems_88c86497-10be-4430-9686-4bb6304a1582" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_7f3fc111-ba5d-4fb7-9d55-af7f28bd639f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseRemainingLeaseTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_88c86497-10be-4430-9686-4bb6304a1582" xlink:to="loc_us-gaap_LesseeOperatingLeaseRemainingLeaseTerm_7f3fc111-ba5d-4fb7-9d55-af7f28bd639f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_1752635a-ffb6-4fd2-83e5-ca2bb402a48a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseRenewalTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_88c86497-10be-4430-9686-4bb6304a1582" xlink:to="loc_us-gaap_LesseeOperatingLeaseRenewalTerm_1752635a-ffb6-4fd2-83e5-ca2bb402a48a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_50b0c20a-5cb0-4496-9ca2-6849074c91b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_88c86497-10be-4430-9686-4bb6304a1582" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1_50b0c20a-5cb0-4496-9ca2-6849074c91b2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_d170227d-b28a-4359-9282-b26b9ae5f022" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_88c86497-10be-4430-9686-4bb6304a1582" xlink:to="loc_us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent_d170227d-b28a-4359-9282-b26b9ae5f022" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeaseDescriptionTable_cf1b972b-139f-4172-9b67-2ed868c469b8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeLeaseDescriptionTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LesseeLeaseDescriptionLineItems_88c86497-10be-4430-9686-4bb6304a1582" xlink:to="loc_us-gaap_LesseeLeaseDescriptionTable_cf1b972b-139f-4172-9b67-2ed868c469b8" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d5f597fe-e902-4edb-889c-a7579831c5e2" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LesseeLeaseDescriptionTable_cf1b972b-139f-4172-9b67-2ed868c469b8" xlink:to="loc_srt_RangeAxis_d5f597fe-e902-4edb-889c-a7579831c5e2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_d5f597fe-e902-4edb-889c-a7579831c5e2_default" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_d5f597fe-e902-4edb-889c-a7579831c5e2" xlink:to="loc_srt_RangeMember_d5f597fe-e902-4edb-889c-a7579831c5e2_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_19e64803-3ce4-4852-88d4-0b9c5705e45d" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_d5f597fe-e902-4edb-889c-a7579831c5e2" xlink:to="loc_srt_RangeMember_19e64803-3ce4-4852-88d4-0b9c5705e45d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_505a8fc5-12ed-4779-9e4e-9d133cd41a5b" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_19e64803-3ce4-4852-88d4-0b9c5705e45d" xlink:to="loc_srt_MaximumMember_505a8fc5-12ed-4779-9e4e-9d133cd41a5b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_e8216c93-2d4d-4d24-b3ca-c791a9cfe07e" xlink:href="https://xbrl.fasb.org/srt/2021/elts/srt-2021-01-31.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_19e64803-3ce4-4852-88d4-0b9c5705e45d" xlink:to="loc_srt_MinimumMember_e8216c93-2d4d-4d24-b3ca-c791a9cfe07e" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.bakkt.com/role/SubsequentEventsDetails" xlink:type="simple" xlink:href="bakkt-20211231.xsd#SubsequentEventsDetails"/>
  <link:definitionLink xlink:role="http://www.bakkt.com/role/SubsequentEventsDetails" xlink:type="extended" id="i0589a3a91ced41bc93f36ee1e1a5a465_SubsequentEventsDetails">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventLineItems_25313e19-49f4-4dbc-865f-7f7c79140d06" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseTermOfContract_3f28fe0c-e5f9-4676-b9c5-7709bc559edf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LesseeOperatingLeaseTermOfContract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_25313e19-49f4-4dbc-865f-7f7c79140d06" xlink:to="loc_us-gaap_LesseeOperatingLeaseTermOfContract_3f28fe0c-e5f9-4676-b9c5-7709bc559edf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiability_4d083b11-cda8-4112-bd6b-5adf7f355373" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiability"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventLineItems_25313e19-49f4-4dbc-865f-7f7c79140d06" xlink:to="loc_us-gaap_OperatingLeaseLiability_4d083b11-cda8-4112-bd6b-5adf7f355373" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTable_9db71071-1f2c-4a1a-9429-f966c2689c1e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SubsequentEventLineItems_25313e19-49f4-4dbc-865f-7f7c79140d06" xlink:to="loc_us-gaap_SubsequentEventTable_9db71071-1f2c-4a1a-9429-f966c2689c1e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis_74648d85-06f2-4750-a6da-7d3233168da7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_SubsequentEventTable_9db71071-1f2c-4a1a-9429-f966c2689c1e" xlink:to="loc_us-gaap_SubsequentEventTypeAxis_74648d85-06f2-4750-a6da-7d3233168da7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_74648d85-06f2-4750-a6da-7d3233168da7_default" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_74648d85-06f2-4750-a6da-7d3233168da7" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_74648d85-06f2-4750-a6da-7d3233168da7_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain_96b1bf21-bc2b-4dfe-af95-531df59bdcc1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_SubsequentEventTypeAxis_74648d85-06f2-4750-a6da-7d3233168da7" xlink:to="loc_us-gaap_SubsequentEventTypeDomain_96b1bf21-bc2b-4dfe-af95-531df59bdcc1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember_a9a48c4d-f76e-49f9-856d-0a7f5da44e50" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubsequentEventMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SubsequentEventTypeDomain_96b1bf21-bc2b-4dfe-af95-531df59bdcc1" xlink:to="loc_us-gaap_SubsequentEventMember_a9a48c4d-f76e-49f9-856d-0a7f5da44e50" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-roles-2021-01-31.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="loc_us-gaap_OtherAssetsNoncurrent" xlink:type="arc" order="0"/>
  </link:definitionLink>
</link:linkbase>
