EUDI protocols: read the version, profile and scope
OpenID4VCI and OpenID4VP describe issuance and presentation, while profiles, formats and trust choices determine real interoperability.
Business briefing · source check 22 August 2026
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Status change
OpenID4VP and OpenID4VCI 1.0 have final specifications and a conformance programme with HAIP.
Buyer question
Which exact specification, profile, format, transport and trust configuration does the provider support in production?
Evidence watch
Conformance checks protocol behaviour; it does not prove the whole service is secure, private or accessible.
Sector lens
Cross-border credential value depends on issuer trust, status and accepted attributes—not merely recognising a wallet brand.
Primary sources
- OpenID Digital Credentials Protocols
- OpenID4VP and OpenID4VCI conformance programme
- European Commission EUDI Wallet Toolbox and ARF