Definition ∞ A private data query is a method of retrieving information from a dataset without revealing the query itself or the accessed data to the server holding the information. This is achieved through cryptographic techniques that protect the confidentiality of both the search request and the results. Its purpose is to enable data utilization while preserving individual privacy.
Context ∞ Private data query is a critical feature for privacy-centric applications within decentralized finance, secure data marketplaces, and confidential computing on blockchains. The challenge involves balancing efficient data retrieval with strong privacy guarantees, particularly when dealing with sensitive user or transaction information. Advances in this area contribute to building more secure and trustworthy digital asset platforms.
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