Yes, in that case it's often called Photo-TAN or QR-TAN. See https://en.wikipedi...

		sdl 13 days ago \| parent \| context \| favorite \| on: The Vietnam government has banned rooted phones fr... Yes, in that case it's often called Photo-TAN or QR-TAN. See https://en.wikipedia.org/wiki/Transaction_authentication_num... Previously there were also so called "flicker TAN" approaches: https://de.wikipedia.org/wiki/Transaktionsnummer#chipTAN_com...