Do You Need a Receipt? Anonymous Credential Revocation at Continental Scale via Private Record Certification

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A key challenge in digital credential systems is revocation, that is, the ability to revoke credentials post-issuance and verify their status upon presentation. While anonymous credentials enhance privacy over classical credentials (e.g., by providing unlinkability), they complicate revocation. Existing revocation schemes for anonymous credentials often suffer from high client or verifier computation, long delays before revocation takes effect (e.g., epoch-based settings), or require updates to