Definition: The Credential Verification Service ABB is an Application Service that validates the authenticity, integrity and current validity of verifiable credentials (e.g. EUDI Wallet-issued credentials, eID assertions) presented during a patient- or professional-facing interaction, before granting downstream access. Last modification: 2026-07-08 Identifier: http://data.europa.eu/dr8/CredentialVerificationService LOST view: Technical view - application EIRA concept: eira:ArchitectureBuildingBlock ABB name: eira:CredentialVerificationService Synonym: Verifiable Credential Verification Service Example: A National Contact Point invokes the Credential Verification Service to check the cryptographic signature and revocation status of a healthcare professional's presented credential before authorising access to a patient's record. Interoperability Saliency: Salient for technical interoperability because it standardises how credential authenticity and validity are checked consistently regardless of which Member State or wallet issued the credential. Interoperability Dimension: Structural IoP Additional identifier: http://data.europa.eu/dr8/CredentialVerificationService EIF Layer: TechnicalApplication