In related POS news, Square, a unit of Block Inc., says the Uncle Sharkii Poke Bar chain will use its POS system as it ...

There’s another acronym joining the payments world: VAMP is a new set of security measures and requirements coming from Visa.

Alerts are sent to PayPal or Venmo users prior to payment when a suspect transaction is detected. The alerts reflect the risk level of the transaction, and the warnings become progressively stronger ...