@landerent
This scheme enables privacy-preserving queries on blockchain data using partially homomorphic encryption (PHE). Users encrypt queries (e.g., range searches) and submit them to nodes, which compute results on encrypted data without decryption. Threshold decryption ensures only authorized parties access plaintext outputs. Lightweight PHE variants reduce computational overhead for mobile devices. The solution supports secure audits and analytics on sensitive blockchain data while preserving user privacy and compliance with regulations like GDPR.
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