Introduce the concept Credential Format Profiles in 4VP spec

[Kristina Yasuda]

We made a big breakthrough in a VCI spec by introducing the concept of Credential Format Profiles. Discussion in Issue #1707 suggested that it would be a good idea to introduce the same concept in the 4VP spec.

openid / connect / issues / #1707 - cryptographic_binding_methods_supported Support for listing specific DID methods? — Bitbucket

[Mark Haine]

Migrated to GitHub

https://github.com/openid/OpenID4VP