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by Trumpi 2170 days ago
We literally had this with OpenID. If I remember correctly, it pre-dated Facebook and the flurry of "Login with XXX" type authentications. But the corporations like their walled gardens too much and OpenID fell out of favor.
1 comments
user5994461 2170 days ago
OpenID was replaced by OpenID Connect and SAML.

They mostly operate in federations, which is neither centralized nor decentralized.

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