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What Happens Behind the Scenes When You Buy Things with Your Phone
You’ve decided to buy a new pair of shoes, and you’re going to pay for them by tapping your smartphone against the checkout stand. It’s just like using your credit card — except that it isn’t. Here’s what’s really happening to the money on your phone, when you spend it and when you are just carrying it around.Source: What Happens Behind the Scenes When You Buy Things with Your Phone