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4 months agoShort answer: a lot 😉 its an authentication protocol to have a single identity provider take care of all your users passwords, access rights etc., like those “login with Facebook” buttons.
It’s a bit of advanced topic, but a solid way to minimise authentic based alley on username and password.
I don’t remember if it was next or owncloud, but one of them was making a rewrite in go. I’m I’m no rush to jump into it, but keep a eye on it.