0001820302 2025-07-28 2025-07-28 0001820302 us-gaap:CommonStockMember 2025-07-28 2025-07-28 0001820302 us-gaap:CommonClassAMember 2025-07-28 2025-07-28 false 0001820302 8-K 2025-07-28 Bakkt Holdings, Inc. DE 001-39544 98-1550750 10000 Avalon Boulevard Suite 1000 Alpharetta GA 30009 678 534-5849 false false false false Class A Common Stock, par value $0.0001 per share BKKT NYSE Warrants to purchase Class A Common Stock BKKT WS NYSE false