I think one way to prevent the use of stolen credit cards in the system is through validating the card with two small test transactions on account creation. Yo

I think one way to prevent the use of stolen credit cards in the system is through validating the card with two small test transactions on account creation. You could also allow the linking of checking accounts as a secondary method of verification and to reduce per transaction fee's through the use ach deposits i.e put $20 in your paysqr account for vending machine use.