From en.secnews.gr
Twitter he said yesterday that users will now have the opportunity to choose a different method to control identity. Until now, it was default the two-factor authentication (2FA) based on SMS. Now users can disable this option and choose an option ( only ), such as an application authentication provides a code «disposable» (OTP- OTP mobile authenticator app ) or a hardware security key.
Until yesterday, there was this possibility.