The humble password has long been the cornerstone of online security, but its reign may soon come to an end. In recent years, tech giants like Apple, Google, and Microsoft have begun rolling out passkeys—a passwordless authentication method that uses biometric data or device-based cryptography to grant access. Unlike passwords, passkeys can’t be stolen in phishing attacks, reused across sites, or guessed using brute force methods.
Passkeys are stored locally on your device and are synced across cloud services with end-to-end encryption. When you log in to a website or app using a passkey, you're essentially using a cryptographic key pair—one public and one private. The public key is stored on the service’s server, while the private key never leaves your device.
