A concrete example
One unavailable signer need not block a correctly backed-up two-of-three arrangement.
In context
Separating signers can reduce dependence on one compromised or unavailable key. It also increases coordination and backup requirements. For Bitcoin, recovering a wallet may require its descriptor or equivalent script information in addition to sufficient private keys. Losing policy data can make recovery harder even when key material survives.
Explore the full explanation
Institutional
Multisig: policy, backups and recovery
A multisignature arrangement requires several signatures under a defined policy, such as two of three keys.
Intermediate3 min reading + workshop ↗