What is Auth in firebase?
In this regard, what is firebase phone Auth?
You can use Firebase Authentication to sign in a user by sending an SMS message to the user's phone. Phone numbers that end users provide for authentication will be sent and stored by Google to improve our spam and abuse prevention across Google services, including but not limited to Firebase.
Beside this, what is the use of Firebase authentication?
Firebase authentication is used to authenticate the users of applications in a very easy manner. Not only for the users but for the developers also, it provides a very easy flow for the authentication and login process that is present in almost every application.
Navigate to the Auth tab on your project from the Firebase Console. You shouldn't have any users configured, but they'll show up on this first screen once you do. Click the “SIGN IN METHOD” tab and enable the Email/Password and Anonymous sign in providers.