Part of the CustodyStress archive of observed Bitcoin custody incidents
CS-00648
Multisig quorum failure — 2-of-3 multisig (2019)
SurvivesCase description
A June 2019 case describes a 2-of-3 multisig Bitcoin custody arrangement for a small family office where one key holder's spouse died and the key holder entered a period of bereavement-related incapacity. The other two key holders had a quorum but felt they could not proceed without the incapacitated member's consent on distributions that would affect the bereaved party's interests.
Custody context
| Stress condition | Multisig quorum failure |
| Custody system | Exchange custody |
| Outcome | Survives |
| Documentation | Unknown |
| Year observed | 2019 |
| Country | Unknown |
Structural dependencies observed
Outcome interpretation
Access remained possible under the reported conditions.
Source
Publicly Reported
Evidence type
Forum post
Related cases involving multisig quorum failure
77 cases involve multisig quorum failure
512 cases involve exchange custody
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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.