Definition ∞ Circuit PSI, or Private Set Intersection, is a cryptographic protocol enabling two parties to compute the intersection of their private datasets without revealing any information about the elements not in the intersection. This technique uses cryptographic circuits to perform the computation securely. It ensures data privacy while allowing for collaborative analysis of common data points. Circuit PSI is a critical tool for privacy-preserving data sharing.
Context ∞ The utility of Circuit PSI is gaining traction in scenarios requiring secure data comparison, such as anti-money laundering checks across institutions without exposing client lists. A key discussion involves optimizing its computational efficiency to handle larger datasets with reduced latency. Future developments aim to make Circuit PSI more practical for widespread commercial adoption in various industries. Its role in enhancing privacy for blockchain analytics is a significant area of focus.
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