When you want to buy something normally, using your normal bank card, this is what happens; I give my card details to the shop and the shop asks the bank if I’m good for the money. The bank checks its records to see if I’ve got enough in my account. If I do it lets the shop know it updates its records to show the movement of money from my account to the shops, and it takes a cut for its trouble. Now if you wanted to remove the bank from that system, who else would you trust t