>To login, you just scan the QR code from my authenticator and enter your phone's pin or use Face/Touch ID Others see the problem with having to scan your QR c

>To login, you just scan the QR code from my authenticator and enter your phone's pin or use Face/Touch ID Others see the problem with having to scan your QR code while using the device that, presumably, needs the QR code scanned ... you've just mandated multiple devices You might look at SQRL (https://www.grc.com/sqrl/sqrl.htm https://www.grc.com/sqrl/sqrl.htm) Or just use "normal" TOTP systems like the myriad authenticator tools already out there