Backup code that used together with 2FA

Store credentials, like password hashes, authenticator app codes, OTP codes,
nonces for passwordless login, API keys, etc

An identifier identifies an identity

Email, phone number, etc

Identity entity, can be a human identity, or non-human identity

Domain layer for working with JWKs

Utility functions for creating/handling JWTs and JWT claims.

Both access tokens and ID tokens.

Authorizations that have been granted through OAuth

Domain layer for oauth-client entities

Codes that can be exchanged in an oauth flow

Refresh tokens for OAuth flow