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The card readers have an LCD display that shows the information.
by layer8 10mo ago
The card readers have an LCD display that shows the information.
- fph 10mo agoHow do they get this information in the first place, though? Do they have a QR code reader?
- sdl 10mo agoYes, in that case it's often called Photo-TAN or QR-TAN. See https://en.wikipedia.org/wiki/Transaction_authentication_number#ChipTAN_/_Sm@rt-TAN_/_CardTAN https://en.wikipedia.org/wiki/Transaction_authentication_num... Previously there were also so called "flicker TAN" approaches: https://de.wikipedia.org/wiki/Transaktionsnummer#chipTAN_comfort_bzw._SmartTAN_optic_(Flickering) https://de.wikipedia.org/wiki/Transaktionsnummer#chipTAN_com...