Multisig quorum failure — exchange 2014

Survives

Case description

A Bitcoin exchange that had adopted multisig cold storage in early 2014 experienced a quorum failure when one of its three key holders—a contractor—left under disputed circumstances and refused to participate in signing ceremonies until contractual disputes were resolved. Cold storage funds were inaccessible during the six-week legal standoff.

Custody context

Stress condition	Multisig quorum failure
Custody system	Exchange custody
Outcome	Survives
Documentation	Unknown
Year observed	2014
Country	Unknown

Structural dependencies observed

Single point of failureInstitutional cooperation required

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.