Learn about free and cheap iPhone credit card readers and explore technologies like tap to pay that enable you to accept payments without a card reader. In my evaluation, here are the best free and ...

NFCGest lets credit cards unlock terminals with gesture passcodes—adding security without extra hardware or PIN codes.

Contactless payments will be accepted on all buses, trollies, and gated subway stations beginning Aug. 1, the Massachusetts Bay Transit Authority announced Tuesday. The new readers will allow riders ...

The Better Business Bureau is warning the public about "ghost tapping" and other tap-to-pay fraud schemes. Here's how to protect yourself.