While both handle two factor authentication, Authy only assists with time based one time passwords (TOTP) which still leaves the end user open to phishing. Thes

While both handle two factor authentication, Authy only assists with time based one time passwords (TOTP) which still leaves the end user open to phishing. These security keys are meant to be used with universal second factor (U2F) which prevents phishing entirely. https://en.wikipedia.org/wiki/Time-based_One-time_Password_algorithm https://en.wikipedia.org/wiki/Time-based_One-time_Password_a... https://en.wikipedia.org/wiki/Universal_2nd_Factor https://en.wikipedia.org/wiki/Universal_2nd_Factor