The ones that roll out alongside chip-and-pin seem to be all that's needed to meet the requirements of this system from a technology standpoint. Behind the scen

The ones that roll out alongside chip-and-pin seem to be all that's needed to meet the requirements of this system from a technology standpoint. Behind the scenes, the hardware passes your fake device-account number as it would a credit card, and someone turns that into an actual credit card number deep in a financial system your retailer uses. There's different standards for contactless payment, though, and I bet Apple's partnering with EMV players because it wants to be as compatible as possible with existing arrangements.