For example, as the mass-based contact tracing where people do not have to download any app, they just point their phone to a QR code, self-service printed. Then, without compromising their privacy, the random code is stored in the telecoms.
For example, as the mass-based contact tracing where people do not have to download any app, they just point their phone to a QR code, self-service printed. Then, without compromising their privacy, the random code is stored in the telecoms.