// Send credential to server to store public key // ... }
The true successor to the password is the , and by 2025, it has achieved critical mass. Over 85% of active web users have created at least one passkey. But what is a passkey in practical terms? It is a cryptographic login code that never leaves your device. When you log into a site, your phone, laptop, or smartwatch performs a cryptographic handshake using biometrics (Face ID, fingerprint, or voiceprint). login codes latest 2025