Definition ∞ An OR-aggregation Protocol is a cryptographic construction that allows multiple individual proofs or statements to be combined into a single, compact proof. This combined proof verifies that at least one of the original statements is true, without revealing which specific statement holds. It significantly reduces the on-chain data footprint and verification cost when dealing with a collection of possible valid conditions. Such protocols are useful for privacy-preserving applications where a user wants to prove membership in a set without disclosing the specific member.
Context ∞ News in the zero-knowledge proof and privacy-preserving technology sectors often discusses OR-aggregation protocols as a method for enhancing efficiency and confidentiality. Debates center on the computational overhead involved in creating these aggregated proofs and their suitability for different types of applications. Future developments aim to optimize the aggregation process to support a larger number of statements with minimal impact on proof size and verification time.
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