Passwordless authentication method that uses device-based verification like biometrics or PINs, providing a faster and safer alternative to traditional passwords.
Based on asymmetric key cryptography
Type of Passkeys
Multi-Device Passkeys (Synced Passkeys) : Passkey is created and sync across multiple device
Device Bound Passkeys
Problems with Password
Phishing
Password reuse
Too many password to remember
Passwork leak, Service providers do not store passwords, only public keys. This means that even if a service provider's database is breached, attackers cannot obtain user credentials.