Where I am most of the systems have an option to use static printed QR codes that the payer scans. This is easy to use for small businesses like bars since it r

Where I am most of the systems have an option to use static printed QR codes that the payer scans. This is easy to use for small businesses like bars since it requires zero hardware or staff training. There have been reports of people printing their own QR codes and sticking them over the QR codes for businesses.