You never typed a password. You never received a 2FA SMS code. You simply proved you possessed the device holding the key.
Synced Passkeys is a decentralized authentication system that combines the benefits of public-key cryptography and biometric authentication. The system consists of three primary components: synced passkeys
This is the most common question regarding synced passkeys. "If my phone is my key, and I lose my phone, am I locked out forever?" You never typed a password