sgo.to

OpenID4VP Over FedCM

Sam Goto

FedCM is a binding for OAuth.

OpenID4VP is a profile of OAuth.

Why wouldn't FedCM be able to carry OpenID4VP on top?

Let's figure out:

  1. Enable chrome://flags/#fedcm-idp-registration
  2. Enable chrome://flags/#fedcm-button-mode
  3. Enable chrome://flags/#fedcm-authz
  4. Enable chrome://flags/#fedcm-without-well-known-enforcement

Then:

  1. Go to https://wallet.sgo.to
  2. Click on "Register"

Finally: