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.
Context ∞ Multi-signature schemes are frequently discussed in crypto news concerning digital asset security practices and institutional custody solutions. Reports often highlight their utility in preventing unauthorized access and improving governance over shared funds. The current discourse evaluates the trade-offs between enhanced security and the operational complexities introduced by multiple approval requirements.
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