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So many people do not get this. Atproto identity is the closest thing to original-flavor OpenID that has been done in years. It's not OpenID (it has problems OpenID didn't and solves problems OpenID had), but it's very much in that spirit.

hailey@hailey.at

i guess in a way this is the most widely used one, but also one that is severely underused in other ways. definitely identity. i've long been of the opinion that there are obviously cool things that come from public data and all the public pieces of the proto, but identity is higher impact.

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(Why isn't modern OpenID this way? well, the vast majority of OpenID Foundation members substantively benefit from the status quo, but to be fair OIDC does solve a lot of problems that businesses have. It's just suitable for the social applications OID was originally designed for.)

personally, I’d like atproto to have protocol-level identity attributes (name, nickname, avatar, email..), independent of the applications. I think openid supported this? oidc certainly does..

Yesish? YADIS (pre-1.0 OpenID, not the *other* YADIS that came later) did some-but-not-all of that through FOAF. OpenID 1.0 didn't, OpenID 2.0's SREG extension had most of it, and then OIDC did everything totally differently.