SarahJamieLewis on Nostr: I'm implementing something and it needs an authentication layer, and I'd prefer not ...

I'm implementing something and it needs an authentication layer, and I'd prefer not to have a user database.

Is there any consensus emerging on a fediverse sso standard?

I know indieauth exists, and there is some discussion about general oauth2 support for various fediverse mainstays, but I've not looked into this all that deep.