On your mobile app (version 2.0+) customers can now scan receipts to claim loyalty points.
Receipts will print with a unique QR code in the case that a customer places an order in-store, and does not apply loyalty to the order.
If loyalty is applied to the order, the receipt will not print with a QR code.
Customers can find the option to can receipts on their Loyalty Details page
Customers can find the scan feature in the loyalty details section of their mobile app

A receipt with a printed QR code.
QR codes do expire 7 days after the original purchase. After this time it is not possible to claim rewards for the order.