American banks, as well as retailers and consumers, would benefit from greater issuance of contactless cards, which are in much wider use abroad.
iZettle's card readers fit PayPal's strategy of expanding its in-store presence and geographic reach.
The company blames the third-quarter sales decline on "performance issues and outages" with its new point-of-sale system.
The burger chain reports cyberattackers used malware to breach a second POS system, accessing payment card data that may have been used for fraud.
The 'use case' for mobile payments, particularly at the point of sale, is still not strong enough to lure the bulk of smartphone owners.
