How WhatsApp Upgraded to Secure, Seamless Sign-In for 1 Billion Users with Passkeys
Posted by Niharika Arora, Senior Developer Relations Engineer, Tracy Agyemang, Product Marketing Manager, Google and Mayank Manuja, Android Engineer, Meta WhatsApp is the world's largest messaging platform, serving billions of users globally. It is the default communication tool for people across diverse regions, connecting users through private, reliable, and secure messaging. "What excites me…
WhatsApp, the world's largest messaging platform, has upgraded its sign-in process for over a billion users by adopting passkeys. This secure, seamless method of authentication was developed by a team led by Android Engineer Mayank Manuja, working closely with Google. Passkeys provide a fast and phishing-resistant login experience, reducing user friction while protecting against account takeovers and credential theft.
By leveraging public-private key cryptography and biometric or screen lock authentication, passkeys enable one-tap logins that are reliable even in areas with inconsistent SMS OTP delivery.
Written by urgent.news from Android Developers Blog's reporting — not their text. Machine-written — may contain errors; check the original before relying on it.
