YubiKey 5 Series is the most versatile security key supporting multiple authentication protocols including FIDO2/WebAuthn (hardware bound passkey), FIDO U2F, Yubico OTP, OATH-TOTP, OATH-HOTP, Smart card (PIV) and OpenPGP Supported by: Google, Microsoft, Apple, 1Password, KeePass, Facebook, ProtonMail, Bitwarden, LastPass and hundreds of other popular services. It works with Windows, macOS, ChromeOS and Linux.