China is using QR codes to try to control COVID-19. Now, protestors fear the codes are being used to monitor and track them, too. – NewsBreak

China uses a traffic-light system on a COVID app to let people know if they can enter public venues. People who recently tried to attend a protest fear the app is being used to monitor and target them. The incidents have spurred both foreign and domestic critics alike to speak out about the app. As part of China’s efforts to control COVID-19, provincial authorities have been using a contact-tracing “health code” app to monitor people’s movements. The app works off a traffic-light coding system. The user scans a venue’s QR code, and in turn, their own QR code turns either…