PayPal's president defends the digital payment provider's place at the forefront of mobile commerce while quipping he welcomes competition too.
After reaching its crowdfunding campaign goal in only 40 minutes, the team behind Coin continues to take preorders and addresses its most-pressing criticisms.
The credit card company takes steps to encourage development of a commercial framework in the U.S. for mobile payments. Key elements include dual-mode chip technology and dynamic authentication.
A flaw in the protocol underlying chip-and-PIN transactions allows an attacker to push through a purchase without a valid PIN.