Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00956
Seed unavailable — hardware wallet (2021)
SurvivesCase description
A hardware wallet user whose device required seed recovery after a PIN lockout in February 2021 found their seed was stored in a sealed letter given to a solicitor for safekeeping. The solicitor's firm had been acquired by another practice and client files had not been fully transferred. The seed letter was located after two months.
Custody context
| Stress condition | Seed phrase unavailable |
| Custody system | Hardware wallet (single key) |
| Outcome | Survives |
| Documentation | Unknown |
| Year observed | 2021 |
| Country | Unknown |
Structural dependencies observed
Outcome interpretation
Access remained possible under the reported conditions.
Source
Publicly Reported
Evidence type
Forum post
Evidence link
Related cases involving seed phrase unavailable
146 cases involve seed phrase unavailable
274 cases involve hardware wallet (single key)
View archive statistics →
This archive documents observed custody survivability failures. It does not attempt to document all Bitcoin losses or security incidents.
Submit a case
← All cases
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.
Translate