Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00246
Documentation absent — unknown (2015)
BlockedCase description
A cloud mining operator that had sold two-year hash rate contracts in 2013 closed in June 2015 when the contracts reached maturity. The operator retained a portion of the final mining rewards citing 'maintenance fees' not specified in the original contract. Customers disputed the deduction but had no documented basis to challenge it.
Custody context
| Stress condition | Documentation absent |
| Custody system | Unknown custody system |
| Outcome | Blocked |
| 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. 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 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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