Why not just use the contactless card your bank gives you? Or, if you don't want to pay directly out of your checking account, get a credit/pre-paid card? They

Why not just use the contactless card your bank gives you? Or, if you don't want to pay directly out of your checking account, get a credit/pre-paid card? They are all contactless these days, and even the small tea shop that processes card payments through an Android tablet and a small Bluetooth reader is able to accept the contactless cards.