Definition ∞ Multi-key encryption is a cryptographic technique where data is encrypted using multiple keys, and decryption requires a combination of these keys or specific subsets thereof. This method enhances security by distributing trust and control among several parties. In digital assets, it can be applied to secure sensitive information, facilitate multi-party computations, or create advanced access control mechanisms for decentralized applications. It offers a robust approach to data protection.
Context ∞ The discussion around multi-key encryption often focuses on its potential to improve data privacy and security in decentralized systems, especially for confidential transactions or shared data repositories. A key debate involves the complexity of managing multiple keys and ensuring their secure distribution and revocation. Future developments include integrating multi-key encryption with zero-knowledge proofs to allow for verifiable computations on encrypted data without revealing the underlying information. This would greatly enhance privacy in blockchain applications.
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