Replace the paper receipt with a digital receipt. The digital receipt is trackable, does not form a messy bulk in your wallet, doesn't pollute and can represent a sale with much more detail. The digital receipt will be issued to a mobile app by the Store.The User will benefit with: financial metrics of purchases, no more messy paper bulks in wallet, extra detail on items, item suggestions based on previous purchases, special promotions and loyalty programs.The Store will benefit with: Not spending on paper, ink and printer for receipts, extra detail in who purchases what, loyalty programs and directed marketing (special promotions, for example: a User likes Coffee a lot, the store knows this because of the records on his account, the Store can create a special offer of Coffee for that customer).