ZEBRA: Anonymous Credentials with Practical On-chain Verification and Applications to KYC in DeFi

ePrint Report: ZEBRA: Anonymous Credentials with Practical On-chain Verification and Applications to KYC in DeFi

Deevashwer Rathee, Guru Vamsi Policharla, Tiancheng Xie, Ryan Cottone, Dawn Song

ZEBRA is an Anonymous Credential (AC) scheme, supporting auditability and revocation, that provides practical on-chain verification for the first time. It realizes efficient access control on permissionless blockchains while achieving both privacy and accountability. In all prior solutions, users either pay exorbitant fees or lose privacy since authorities granting access can map users to …

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