Facebook will not displace credit cards, used for the purchasing of many of its credits, but the social network will compete with payment processors....
PayPal is offering subsidized credit card processing to physical retailers in a direct challenge to Visa's and MasterCard's dominance of the market....
The planned adoption of chip-and-PIN cards in the U.S. next year will reduce fraud and will also cure our headaches at European credit card checkouts....
An app enables anyone to retrieve your Google Wallet PIN, if they can get their hands on your phone. There is even a video to show you how it's done....