Take a look at what is inside your Debit/ Credit card
HOLY freeking cow a RFID chip! Who would have thought!?
MasterCard PayPass is a payment method that lets you make everyday purchases without having to swipe the magnetic strip on your card or provide your signature*. It’s faster than fumbling with cash or waiting for change, and it makes checkout easier than ever. All you have to do is Tap & Go™ at one of the hundreds of thousands of PayPass-accepting merchants around the world with a PayPass-enabled phone, card, key fob or mobile payment tag.