Where are Firebase users?

The user data for firebase authentication is stored in firebaseLocalStorageDb in IndexedDB . After login to website, if you delete firebaseLocalStorageDb , the login user data for firebase authentication is all deleted so you need to log in website again.

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Is Firebase Auth JWT?

Firebase gives you complete control over authentication by allowing you to authenticate users or devices using secure JSON Web Tokens (JWTs) . You generate these tokens on your server, pass them back to a client device, and then use them to authenticate via the signInWithCustomToken() method.

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