Passengers on Beijing’s Metro can now travel by scanning their hand, in the first ever application of palm print recognition to access trains. #palmscanner #payment #techtok #beijing #trainticket #subway #traveltiktok #privacy | The service requires users to register their palm prints, but critics and Western privacy activists have previously raised concerns over what would happen if data is compromised. | Passengers using Beijing’s Metro can now pay with a wave of their hand, using new palm-recognition technology. | You Can Now Pay for the Subway in China With Your Palm Print