Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00908
Documentation absent — unknown (2021)
BlockedCase description
A Bitcoin cloud mining operation collapsed in August 2021 having never disclosed that it did not own any mining hardware. Marketing materials cited specific hash rates and hardware models. Post-collapse investigation found the company had purchased third-party hash rate contracts — not hardware — and had significantly overstated its mining capacity.
Custody context
| Stress condition | Documentation absent |
| Custody system | Unknown custody system |
| Outcome | Blocked |
| Documentation | Unknown |
| Year observed | 2021 |
| 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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