Single Sign-On (SSO) allows users to use existing accounts from Google or Apple, eliminating the need to create new passwords [12].
Many platforms now use Magic Links (emailed codes) or Passkeys , which leverage device biometrics like FaceID instead of traditional typing [11, 26]. Sign in
A client (like your phone) requests access, the server prompts for credentials, and upon successful validation, the server returns the requested resource or a "session" token [31]. Single Sign-On (SSO) allows users to use existing
Modern design focuses on reducing "friction"—anything that makes it harder for a user to get inside. the server prompts for credentials