[Openid-specs-digital-credentials-protocols] Minutes 06-13-2024

[Oliver Terbu]

# Attendees:

Oliver Terbu
Kristina Yasuda
Renata Toktar
Brian Campbell
Christian Bormann
Daniel Fett
Javier Ruiz
John Bradley
Judith Karner
Lukasz Jaromin
Paul Bastian
Andreea Prian
Bjorn Helm
Sebastien Bahloul
Pamela Dingle

# Minutes:

## Intro

- Intro and welcome Renata from DSR: https://en.dsr-corporation.com/!
- OID4VC won EIC award.
- Everybody who signed contributor agreement is welcome to create PRs.

## Issues

### OID4VP

- https://github.com/openid/OpenID4VP/issues/68:

  Ready for PR and already assigned.

- https://github.com/openid/OpenID4VP/issues/149:

  Ready for PR. Agreed to change examples from combined W3C LDP and JWT-VC, to W3C LDP and SD-JWT VC and already assigned.

- https://github.com/openid/OpenID4VP/issues/174 (Transaction data)

  Discussion on where in the response to put transaction data. Conclusion was to put it into the credential-format specific presentation (option 1) to support ZKP schemes (it might be hard for some ZKP schemes to prove association with an additional signing key) and for cost efficiency reasons, e.g., additional signing operation is required by a cloud HSM in certain environments which increases the costs. It was also mentioned that payment and QES people thumped up to the PR.

- https://github.com/openid/OpenID4VP/issues/191 (wallet_unavailable)

  Discussed privacy considerations and the proposal got accepted. Ready for PR and already assigned.

- https://github.com/openid/OpenID4VP/issues/124 (client_id_scheme security considerations)

  Discussion on the problem statement and whether it is an actual problem. No final conclusion on the severity of the problem. Discussion will continue in the issue.
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