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Proposal: ∑-protocols

Last modified: 2026-10-27

Paper: Proposal: ∑-protocols

Description

A standardization proposal submitted to the ZKProof workshop. Defines a unified framework, notation, and requirements for Sigma-protocol-based zero-knowledge proofs to enable interoperability and standardization.

Properties

• Completeness: Yes
• Soundness: Special soundness
• Zero-knowledge: HVZK

Based on

Sigma-Protocols-Damgard

Used by

Resources

• Wiki: IRTF-CFRG-Sigma-Protocols (the current IRTF CFRG draft)
• Paper: ZKP21-Sigma-Standard
• Explainer: