Businessinsider.co.za | China is using QR codes to try to control Covid-19. Protestors fear it’s being used to track them

A Beijinger traveled to Zhengzhou for a protest. But his personal QR code, used to denote his Covid-19 status, turned red, and he was taken away.

Source: Businessinsider.co.za | China is using QR codes to try to control Covid-19. Protestors fear it’s being used to track them