Apparently it can be set up to send a static password: see https://www.yubico.com/products/services-software/personalization-tools/static-password/ https://www.

Apparently it can be set up to send a static password: see https://www.yubico.com/products/services-software/personalization-tools/static-password/ https://www.yubico.com/products/services-software/personaliz... . Incredibly insecure vs the OTP/U2F modes, but probably better than telling people your password.