It depends on which app you are using to scan the codes. For Trak [1], the main use case is to scan QR codes you made yourself (or someone from your company mad

It depends on which app you are using to scan the codes. For Trak [1], the main use case is to scan QR codes you made yourself (or someone from your company made). The scanner simply rejects anything it doesn't recognise as a valid (app-specific) code. [1] https://admin.trak.codes/ https://admin.trak.codes/