Your bank gets paid every time you buy a coffee. Not by you, by the shop. It's called interchange, and in Europe the law caps it at 0.2% on debit cards and 0.3% on credit. Every tap pays the bank that issued the card.

Your bank gets paid every time you buy a coffee. Not by you, by the shop. It's called interchange, and in Europe the law caps it at 0.2% on debit cards and 0.3% on credit. Every tap pays the bank that issued the card.