TOTP keeps authentication secure in the face of password reuse/compromise. If you add a password manager to the mix, it keeps you safe in the event that only y

TOTP keeps authentication secure in the face of password reuse/compromise. If you add a password manager to the mix, it keeps you safe in the event that only your password manager is compromised, unless you're storing your TOTP secrets in it. (All of this applies to U2F too, of course.)