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Dynamic Sets

Definition

Dynamic sets are data structures that allow for efficient insertion, deletion, and membership querying of elements, where the collection of elements changes over time. In cryptography and blockchain, these structures are critical for maintaining lists of active participants, revoked credentials, or valid transactions in a secure and verifiable manner. They must support updates without compromising the integrity or privacy of the overall system. The ability to manage mutable data effectively is a core requirement for many decentralized applications.