A Sigma Protocol is a class of interactive zero-knowledge proofs that allows one party to demonstrate knowledge of a secret to another party without revealing the secret itself. These protocols involve three steps: commitment, challenge, and response. They provide a verifiable method for proving statements cryptographically, ensuring privacy and security in digital interactions. Sigma protocols are foundational for more complex zero-knowledge proof systems.
Context
Sigma protocols are fundamental building blocks for privacy-enhancing technologies in blockchain and decentralized applications. They are critical for implementing features like confidential transactions and verifiable credentials without exposing underlying data. Developments in these protocols are essential for advancing privacy and scalability solutions in Web3, impacting areas such as identity management and secure computation.
Greyhound is the first concretely efficient polynomial commitment scheme from standard lattice assumptions, securing ZK-proof systems against future quantum threats.
Greyhound introduces the first concretely efficient lattice-based polynomial commitment scheme, providing quantum-resistant security for all verifiable computation.
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