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HashCloak

HashCloak is a cryptography R&D lab and security consultancy building privacy-first solutions for blockchain projects. It provides security audits, bespoke cryptographic research and implementation, and ongoing advisory support.
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Description

HashCloak is a cryptography-focused R&D lab and security consultancy specializing in zero-knowledge systems, multi-party computation, threshold cryptography, secure key management, and blockchain protocol security. Its services include security reviews of smart contracts, ZK circuits, cryptographic protocols, bridges, governance mechanisms, and blockchain infrastructure; custom cryptographic research and implementation; and direct advisory support for teams building privacy- and security-sensitive products.