Get the latest tech news
Google Wallet tipped to add a seamless, NFC-based function for adding cards
An update that would make things a whole lot easier.
Evidence in the code was light; however, Google's additions mention the feature by name, as well as stating, "Hold your card to the back of your device until it vibrates." It suggests the NFC scanning could leverage your card's number and expiration date, leaving the (arguably) most crucial aspect to you: its CVV. This would enable the possibility of multiple transactions "to be seamlessly conducted over the course of one single tap," per the executive director of the NFC Forum, Mike McCamon.
Or read this on Android Central