[asalahli]

Identification and authentication are different, though. You identify yourself to a website as a specific user (e.g. using a username) and the website in turn authenticates your claim, i.e. verifies that you are in fact the user you claim to be (e.g. using that user's password).

[amne]

If you go that route .. your OIDC provider authenticates your claim. The website just trusts some specific OIDC authorities which you must use to create your identity.

[asalahli]

If the website in question is using OIDC, sure.