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The authentication part is called OpenID Connect and that's a subset of the OAuth 2.0 spec. Thus OAuth 2.0 supports both authorization and authentication. Howe
by user5994461 8y ago
The authentication part is called OpenID Connect and that's a subset of the OAuth 2.0 spec.
Thus OAuth 2.0 supports both authorization and authentication. However providers are free to pick what features they want to provide to clients.