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Secure and Privacy-Preserving Credentials for E-ID Proof-of-Concept (Gasser, Humbert, Elghareeb 2025)

URL: https://github.com/eid-privacy/MS2-Minimal-Viable-Project/releases/download/latest/eid_privacy-101.292-IP-ICT-ms2-report.pdf

Summary

Milestone 2 report for Innosuisse grant 101.292 IP-ICT, covering proof-of-concept implementations for an anonymous, unlinkable e-ID credential. Benchmarks three candidate frameworks — Noir/UltraHONK, Docknetwork/BBS, and Longfellow — across four work packages: device/holder binding (WP3), issuer signature (WP4), predicate proofs (WP5), and non-revocation (WP6). Evaluates proof size and creation time for each, and charts the path forward for the remainder of the project.

Related resources

• Comparing ZK Systems (eid-privacy, 2025) (blog, 2025)
• Crescent and Longfellow (eid-privacy, 2025) (blog, 2025)
• Proof-of-Concept for ZKPs (eid-privacy, 2026) (blog, 2026)
• Taxonomy for Privacy-Preserving Electronic Identities (Gasser, Humbert, Elghareeb 2025) (paper, 2025)