Can I use a YubiKey?

The YubiKey supports TOTP app authentication using QR codes. You can setup a user account to use a TOTP app and create a QR code then use the Yubico Authenticator with the QR code.

You can learn how to use QR codes in the Yubico Authenticator from Yubico here:

At this time we do not support the FIDO2/password-less sign-in.