With both ill, the quorum was unreachable for 5 weeks.

Survives

Case description

A Bitcoin startup's 2-of-3 multisig treasury was rendered inaccessible in March 2020 when two of three key holders were simultaneously hospitalised with COVID-19. The third key holder had a quorum only with one of the two hospitalised individuals. With both ill, the quorum was unreachable for 5 weeks.

Custody context

Stress condition	Multisig quorum failure
Custody system	Mobile or software wallet
Outcome	Survives
Documentation	Unknown
Year observed	2020
Country	Unknown

Structural dependencies observed

Single point of failure

Outcome interpretation

Access remained possible under the reported conditions.

Source

Publicly Reported

Evidence type

Forum post

Evidence link

https://medium.com/@wayne_huang/rsa-2015-panel-bitcoin-s-future-threats-expert-s-roundtable-based-on-150-case-studies-92cc35e68e30

Related cases involving multisig quorum failure

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This archive documents observed custody survivability failures. It does not attempt to document all Bitcoin losses or security incidents. Submit a case

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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.