Passkeys are Your New Best Friend

Passkeys replace passwords using asymmetric cryptography (FIDO/WebAuthn standards). A private key stays on your device while a public key is stored on the server, making phishing impossible via domain binding and eliminating credential breaches. The post covers the hybrid cross-device sign-in flow using BLE proximity checks and encrypted tunnels, addresses common threats like device theft, malware, and lost devices, and acknowledges residual risks such as sync account hijacking and social engineering.