Firebase Authentication Simple, no-cost multi-platform sign-in

Securing your Instagram account with two-factor authentication · 1 Tap or your profile picture in the bottom right to go to your profile · 2 Tap in the top

It can authenticate users using passwords and federated identity provider credentials Firebase Authentication also provides UI libraries to implement a full

authentication User Authentication with OAuth The OAuth specification defines a delegation protocol that is useful for conveying authorization decisions across a

authentication In the context of computer systems, authentication is a process that ensures and confirms a user's identity Authentication is one of the five