Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-01331
Estate access failure — hardware wallet (2025)
ConstrainedCase description
A 2025 US Senate Banking Committee inquiry into cryptocurrency estate planning highlighted that despite more than 40 US states having adopted the Revised Uniform Fiduciary Access to Digital Assets Act (RUFADAA) since 2015, enforcement and practical implementation remained inconsistent. Multiple court cases in 2025 involved disputes where executors had RUFADAA-based authority to access exchange accounts but exchanges refused to honour the legal authority without obtaining specific court orders that went beyond what RUFADAA required. The gap between statutory authority and institutional compliance created recurring access delays for estates.
Custody context
| Stress condition | Legal or authority constraint |
| Custody system | Hardware wallet (single key) |
| Outcome | Constrained |
| Documentation | Unknown |
| Year observed | 2025 |
| Country | United States |
Structural dependencies observed
What this illustrates
Before anyone could access the funds, a legal process had to be completed first. Whether full access was ultimately possible is unclear, but significant delay or outside intervention was involved.
Outcome interpretation
Access remained possible, but only with delay, dependence, or significant difficulty.
Source
Publicly Reported
Evidence type
News article
Related cases involving legal or authority constraint
39 cases involve legal or authority constraint
274 cases involve hardware wallet (single key)
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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.