Multi-Signature Authorization

Multi-Signature Authorization is a security protocol requiring more than one private key to approve a cryptocurrency transaction. Instead of a single key controlling an address, funds are held in a smart contract that dictates a specific threshold of signatures, such as two out of three keys, before movement is permitted.

This mechanism significantly enhances security by eliminating single points of failure. If one key is compromised, the attacker still lacks the necessary threshold to authorize a transfer.

It is widely used by institutional custodians, decentralized autonomous organizations, and individual investors to manage large asset holdings. By distributing control, it enforces governance and prevents unauthorized access or malicious intent from a single actor.

This approach effectively mitigates the risk of theft through key loss or social engineering. It serves as a foundational component for secure treasury management in the digital asset ecosystem.