Continuing its international expansion through partnerships, U.S.-based EVO Payments International LLC has acquired a controlling interest in Polish financial institution PKO Bank Polski's merchant acquiring arm.

The Twitter initial public offering culminated with the ringing of the New York Stock Exchange's opening bell Thursday, the social media site becoming a public company valued at more than $14 billion. But Twitter co-founder Jack Dorsey isn't done with Wall Street yet, as he's reportedly begun exploring an IPO for Square, the mobile payments startup he co-founded in 2009.

Harbortouch has released its Perkwave integrated point of sale terminal with EMV-chip and Near Field Communication capabilities.

Mobile wallets, often funded by linked bank accounts, are sometimes described as decoupled debit accounts in disguise — and may suffer from the same challenges decoupled debit faced.

Decoupled debit cards, which enable payments from a checking account at a separate bank, are getting a lift from gas stations — but the product is also under fire from new products, including mobile wallets.

TD Bank Group and President’s Choice Financial are launching the Near Field Communication-based Ugo mobile wallet in Canada.

Mitek Systems has received another patent for its mobile bill-pay imaging technology.

With a population of 1.35 billion people, more than half of whom already use mobile services, the People's Republic of China represents the largest and perhaps the most attractive, if somewhat challenging, market for mobile commerce on Earth.

FICO plans to help credit and debit card-issuing banks cut down on fraud through its new service that uses a mobile phone to determine a cardholder's location.

On Track Innovations Ltd. (OTI) plans to ship 40,000 Near Field Communication payment readers to North America by the end of the year.

In the cluttered mobile payments market, mShift Inc. says it has a chance with its AnyWhereMobile system, which expands on its expertise in mobile banking.

Payments processor Elavon will handle mobile payment transactions generated through iZettle mobile card readers in Europe.

Square Inc.'s new partnership with Staples treats the office supply seller as both a distribution channel and a showroom for its Square Stand point of sale system.

MasterCard Inc. has partnered with the apparel seller J. Crew to target "digital mom" shoppers with the MasterPass digital wallet.

Citibank Hong Kong and wireless carrier 3 Hong Kong are jointly launching the 3 Citi Wallet, which was designed for Hong Kong, but establishes a technology Citi can export to other regions.

Xoom Corp. has expanded its bill-paying services in the Philippines through a partnership with the Bayad Center.

CyberSource, a Visa e-commerce subsidiary, has partnered with Banque Pour Le Commerce Exterieur Lao (BCEL), Laos' largest commercial bank, to provide online payment services to merchants.

With the launch of "KitKat," the newest version of Google's Android mobile operating system, Android smartphones get Near Field Communication (NFC) capabilities that may break down many of the barriers to hardware-based mobile payments.

Sony Corp. now lets PlayStation 3 owners fund their game and media purchases with PayPal accounts directly from their video game consoles.

Apple, Google, Samsung and others are making changes to the way their phones handle payments. Some of these changes remove restrictions on Near Field Communication payments, whereas others take mobile technology in an entirely different direction.