Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00240
Documentation absent — unknown (2015)
IndeterminateCase description
A mining pool that had been paying rewards since 2012 updated its payout address management system in July 2015. The migration corrupted historical payout records for approximately 200 addresses. Miners who had been with the pool since its early days could not verify their lifetime payout history and had no way to confirm whether outstanding owed rewards had been correctly included in the migration.
Custody context
| Stress condition | Documentation absent |
| Custody system | Unknown custody system |
| Outcome | Indeterminate |
| Documentation | Unknown |
| Year observed | 2015 |
| Country | Unknown |
Structural dependencies observed
What this illustrates
Nobody had written down how to get back in. That knowledge existed only in the owner's head. 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
Forum post
Evidence link
Related cases involving documentation absent
193 cases involve documentation absent
20 cases involve unknown custody system
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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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