Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-01401
A US federal judge issued a temporary restraining order on approximately March 5, 2026
IndeterminateCase description
In February 2025, Chicago-based crypto lender BlockFills suspended all client withdrawals and disclosed it had incurred approximately $75 million in losses. The firm, which had processed over $60 billion in trading volume in 2025 serving approximately 2,000 institutional clients, halted withdrawals without a clear timeline for restoration. Creditor Dominion Capital filed suit alleging that BlockFills had misappropriated client crypto assets and commingled funds. A US federal judge issued a temporary restraining order on approximately March 5, 2026 freezing BlockFills' assets and preventing the movement of approximately 70 BTC belonging to Dominion. An insolvency professional described the company as 'hurtling towards bankruptcy.'
Custody context
| Stress condition | Vendor lockout |
| Custody system | Exchange custody |
| Outcome | Indeterminate |
| Documentation | Unknown |
| Year observed | 2025 |
| Country | United States |
Structural dependencies observed
What this illustrates
Getting access back required help from an institution — and that help wasn't available. It's not clear whether anyone ever regained access.
Outcome interpretation
Not enough information is available to determine the outcome.
Source
Publicly Reported
Evidence type
News article
Related cases involving vendor lockout
This archive documents observed custody survivability failures. It does not attempt to document all Bitcoin losses or security incidents.
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Framework references
Where Bitcoin Custody Intersects Legal and Fiduciary Authority
Where custody creates gaps in estate planning, fiduciary duty, and professional responsibility.
Professional Scope Boundary Matrix
What each professional or product covers, what they do not, and where gaps form between them.
The Independent Assessment Layer in Bitcoin Custody
How independent diagnostic layers emerge when multiple parties depend on shared infrastructure.
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