Before you can use Firebase Authentication, you need to:
Read moreHow do I authenticate to Firebase?
To sign a user into your app, you first get authentication credentials from the user. These credentials can be the user’s email address and password, or an OAuth token from a federated identity provider. Then, you pass these credentials to the Firebase Authentication SDK.
Read moreWhat is Firebase phone authentication?
You can use Firebase Authentication to sign in a user by sending an SMS message to the user’s phone . The user signs in using a one-time code contained in the SMS message.
Read moreWhy should I use Firebase for authentication?
Firebase Authentication aims to make building secure authentication systems easy, while improving the sign-in and onboarding experience for end users . It provides an end-to-end identity solution, supporting email and password accounts, phone auth, and Google, Twitter, Facebook, and GitHub login, and more.
Read moreHow secure is Firebase Auth?
The short answer is yes: by authenticating your users and writing security rules, you can fully restrict read / write access to your Firebase data . In a nutshell, Firebase security is enforced by server-side rules, that you author, and govern read or write access to given paths in your Firebase data tree.
Read moreCan I use Firebase authentication only?
Yes, you can use Firebase for auth only and link it to your own database .
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