Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00901
The family member emigrated in September 2021 taking the seed fragment in their luggage.
BlockedCase description
A user's seed was split across two locations — one at home and one at a family member's property. The family member emigrated in September 2021 taking the seed fragment in their luggage. The fragment was lost when the luggage was lost by the airline. The airline's lost luggage process confirmed the suitcase was not recovered.
Custody context
| Stress condition | Seed phrase unavailable |
| Custody system | Hardware wallet (single key) |
| Outcome | Blocked |
| Documentation | Unknown |
| Year observed | 2021 |
| Country | Unknown |
Structural dependencies observed
What this illustrates
There was only one way in. When that path was gone, so was access. Access was not recoverable.
Outcome interpretation
Access was not 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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