Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00181
When the company went through a redundancy process in June 2015, the user cleared their
SurvivesCase description
A Trezor user who had purchased their device in early 2014 stored the seed phrase in their work notebook. When the company went through a redundancy process in June 2015, the user cleared their desk hurriedly and the work notebook was placed in a box that was sent to storage. Retrieval from storage required management approval the user no longer had.
Custody context
| Stress condition | Seed phrase unavailable |
| Custody system | Hardware wallet (single key) |
| Outcome | Survives |
| Documentation | Unknown |
| Year observed | 2015 |
| 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)
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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.
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