Tesco claims that initial ... The app then produces a QR code on guests’ mobile devices which is scanned to pay for the items, and also adds Clubcard loyalty points onto their accounts.

Your Tesco Clubcard is made up of 16 to 18 digits. You can find it on the front of your plastic Clubcard and on your Clubcard key fob as well as under your Clubcard QR code in the Tesco Grocery ...