> The scanning flow is superior as there is much greater margin of error in positioning and you can pay from a greater distance. True. Some giant screens (e.g.

> The scanning flow is superior as there is much greater margin of error in positioning and you can pay from a greater distance. True. Some giant screens (e.g. in clubs) in China have a QR code that you can scan and pay to have your message displayed on the screen. Also many restaurants simply stick a QR code on the table for payment. No need for a waiter to carry a terminal. You just scan it when you are ready to pay and leave.