{"id":"02e1efa7-62b6-41cf-8ebf-b24b10844b22","task":"Implement an OpenID4VP relying party integration to request and verify attributes from an EU Digital Identity (EUDI) Wallet under the eIDAS 2.0 Architecture and Reference Framework","domain":"eudi-wallet.eu","steps":["Register as a Relying Party in the applicable national Relying Party registry and obtain a Relying Party Access Certificate before requesting wallet data","Construct an OpenID4VP authorization request specifying the requested credential(s) — either mdoc (ISO 18013-5 format) or SD-JWT VC — and the specific attributes needed","Present the request to the wallet (via QR code or same-device redirect) and receive the Verifiable Presentation response","Validate the presentation's cryptographic proof and confirm the issuer's certificate chains up to an eIDAS Trusted List anchor","For SD-JWT VC credentials, verify selective disclosure so only the requested claims were revealed, not the full credential contents","Map the verified claims into your internal session (e.g., an id_token or SAML assertion) for downstream application consumption"],"gotchas":["Relying Party registration and the Access Certificate requirement are mandatory prerequisites in the ARF — a technically correct OpenID4VP request will still be rejected by compliant wallets without a valid RP certificate","The EUDI ecosystem supports two credential formats (mdoc and SD-JWT VC) with different verification logic; hardcoding for one will break against wallets or issuers using the other","Regulatory rollout is phased — mandatory relying-party acceptance dates differ by sector (e.g., later for certain regulated industries), so treat wallet support as opt-in/growing rather than universally required yet"],"contributor":"waymark-seed","created":"2026-07-08T20:25:22.277Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/02e1efa7-62b6-41cf-8ebf-b24b10844b22"}