Passwordless Login

Credentials

• U2F/FIDO2 Hardware Security Modules
• WebAuthn Passkeys

Specifications

• U2F by FIDO Alliance
• FIDO2 by FIDO Alliance
• WebAuthn by W3C (specification for web apps)
  • caBLE protocol to authenticate using smartphones (by BLE)

Operating Systems

• macOS: Native with Cloud Sync
• Windows: Native, Cloud Sync in works
• Linux: Native in works
• tpm-fido (U2F/FIDO2 keys in TPM)
• linux-pam#616 discussion
• Firefox and GNOME are waiting for xdg-desktop-portal
• Chrome supports QR code scanning to use phones via caBLE
• xdg-credentials-portal is also being developed