Yivi takes a major step toward EUDI Wallet compatibility
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Yivi takes a major step toward EUDI Wallet compatibility

• Yivi Team 3 min read
Yivi EUDI Wallet DIIP OpenID4VP OpenID4VCI open standards interoperability SD-JWT VC eIDAS

The latest Yivi release is live in the app store, and it brings an important new capability with it. From now on, Yivi supports the DIIPv5 interop profile. That sounds technical, but it comes down to something simple: Yivi now speaks the same language as the wider world of European digital identity, and with that takes a major step toward compatibility with the EUDI Wallet.

What is the DIIP interop profile?

The Decentralized Identity Interop Profile, or DIIP for short, is an interoperability profile that pins down a concrete set of standards and mandatory features. Instead of every party having to choose and implement dozens of separate specifications themselves, you can simply say “we use DIIPv5” and know that your systems will line up.

DIIPv5 was approved on 15 January 2026 and selects, among other things:

  • OpenID4VP for presenting credentials, with support for both same-device and cross-device flows.
  • OpenID4VCI for issuing credentials, including the pre-authorized code flow and the authorization code flow with PKCE and PAR.
  • SD-JWT VC as the credential format, the same selectively disclosable format that is central to Europe’s wallet direction.
  • ES256 as the signature algorithm, and did:jwk and did:web for identifying issuers, holders, and verifiers.
  • The IETF Token Status List for revocation, and validFrom/validUntil for validity.

These are exactly the protocols and formats that Europe is moving toward with eIDAS 2.0 and the EUDI Wallet. By supporting DIIPv5, Yivi aligns with that direction instead of walking its own vendor-specific path.

Yivi can now be used within SURF's EduWallet project
Yivi can now be used within SURF's EduWallet project.

What this means for you

The best part of this step is in its practical consequences. Our own issuers, the parties that already issue credentials to Yivi users today, can now also be used with OpenID4VP. A verifier built on the open OpenID4VP standard can therefore request credentials that were issued in Yivi, without needing a Yivi-specific integration.

That means the credentials your users already hold in their Yivi wallet become more broadly usable. The same wallet, the same credentials, but now usable within the wider ecosystem forming around the EUDI Wallet. For verifiers and issuers it lowers the barrier to taking part, and it makes Yivi a natural on-ramp to a world where European wallets and standards are the norm.

Open standards as the foundation

This release fits a deliberate choice Yivi has been making for a while: build on the open standards Europe actually embraces, not on a closed profile tied to a single vendor. OpenID4VP, OpenID4VCI, and SD-JWT VC are the same building blocks used worldwide for the EU Digital Identity Wallet.

By supporting DIIPv5, Yivi chooses interoperability over lock-in. Your users keep their credentials in their own wallet, on their own device, and you do not tie your future to one company’s roadmap. Open standards mean systems line up, and that you can move with the European developments instead of standing beside them.

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