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Multi-Signature Schemes

Definition

Multi-signature schemes are cryptographic systems that require two or more private keys to authorize a transaction or access a digital asset. Instead of a single private key, these schemes stipulate that a predefined number of approvals from a group of designated signers must be obtained for an action to be valid. This significantly enhances security by distributing control and mitigating the risk of a single point of failure or compromise. They are widely used for securing corporate crypto holdings and decentralized autonomous organization treasuries.