[tor-talk] Tor-Friendly Two-Factor Authentication?

[tor_talk at arcor.de]

Hi Tor Talkers and Scott Arciszewski,

you wrote:
I was curious if anyone in/around Tor was aware of any
privacy-preserving 2FA initiatives.



maybe banks are
https://en.wikipedia.org/wiki/Mtan#Mobile_TAN_.28mTAN.29

when you have to log in to your phone/handy with e. g. a "living" fingerprint it is equal to a mTan generator in which you insert a card and hold it to the blinking strings of a bar code at a display to get the calculation done.