| Goodwill |
Changes in goodwill consisted of the following (in thousands): | | | | | | | | | | | | | Balance as of January 1, 2025 | | | | | | | Goodwill | | | | | $ | 1,579,265 | | | Accumulated impairment | | | | | (1,511,264) | | | | | | | 68,001 | | | | | | | | | | | | | | | Sale of Bakkt Trust | | | | | (3,343) | | | | | | | | Balance as of December 31, 2025 | | | | | | | Goodwill | | | | | 1,575,922 | | | Accumulated impairment | | | | | (1,511,264) | | | | | | | $ | 64,658 | | | | | | | | | | | | | | | DTR Acquisition | | | | | $ | 92,032 | | | | | | | | | | | | | | | Balance as of June 30, 2026 | | | | | | | Goodwill | | | | | $ | 1,667,954 | | | Accumulated impairment | | | | | (1,511,264) | | | | | | | $ | 156,690 | |
|
| Intangible Asset, Indefinite-Lived |
Intangible assets consisted of the following as of June 30, 2026 and December 31, 2025 (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | Weighted Average Useful Life (in years) | | Gross Carrying Amount | | Accumulated Amortization | | Impairment | | Net Carrying Amount | | Trademarks / trade names | Indefinite | | $ | 2,900 | | | — | | | — | | | $ | 2,900 | | | Domain names | Indefinite | | 2,650 | | | — | | | — | | | 2,650 | | | Customer relationships | 12 | | 1,630 | | | 23 | | | — | | | 1,607 | | | Developed technology | 5 | | 10,090 | | | 336 | | | — | | | 9,754 | | | Acquired workforce | 2 | | 1,444 | | | 120 | | | — | | | 1,324 | | | Non compete agreements | 2 | | 4,820 | | | 401 | | | — | | | 4,419 | | | Marketing-related assets | 1 | | 250 | | | 42 | | | — | | | 208 | | | Total | | | $ | 23,784 | | | $ | 922 | | | $ | — | | | $ | 22,862 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Weighted Average Useful Life (in years) | | Gross Carrying Amount | | Accumulated Amortization | | | Impairment | | Net Carrying Amount | | | | | | | | | | | | | Trademarks / trade names | Indefinite | | $ | 2,900 | | | — | | | | — | | | $ | 2,900 | | | | | | | | | | | | | | | | | | | | | | | | | Domain names | Indefinite | | 2,650 | | | — | | | | — | | | 2,650 | | | Total | | | $ | 5,550 | | | $ | — | | | | $ | — | | | $ | 5,550 | |
|