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Crescent: Stronger Privacy for Existing Credentials (Paquin, Policharla, Zaverucha 2024)

URL: https://eprint.iacr.org/2024/2013

Summary

Introduces Crescent, a modular ZK credential scheme for privacy-preserving presentations of SD-JWT and X.509 credentials. Splits proof generation into a one-time offline preparation phase (pre-computation of reusable cryptographic values) and a fast per-presentation phase using Groth16 and Spartan over the T-256 curve. Accepted at RWC 2025.

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