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.

Merchants and payment vendors who never change the default password in sensitive systems are getting fresh attention from the Payment Card Industry Security Standards Council.

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.

Bank of America Corp. is negotiating with the Consumer Financial Protection Bureau to settle allegations it deceived customers in the sales of credit-card add-on products, according to two people briefed on the talks.

The Consumer Financial Protection Bureau on Wednesday published its much-anticipated list of debt collection complaints its gathered since accepting them on July 10. The grand total in the now-public database came to 5,329 complaints specifically about debt collection.

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

Total System Services Inc. has made Andrew Mathieson its group executive of relationship management, with responsibilities for marketing, risk management and business consulting services.

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

Dollars in millions

Dollars in millions

Companies that made large jumps up or down in our rankings in 2012

As banks invest in newer digital channels, they need to focus on customer profitability.

New mobile apps let consumers handle personal financial management, pay bills, send money to friends and relatives, watch over their credit, and even fund a small business.

Doing payments well is really hard, as payments "disruptors" are finding out.

Some of the best uses for analytics in banking today include rewards programs, customer intelligence and risk management.

The challenges banks face remain largely the same, but the solutions with which they take them on have evolved.

How this year's FinTech 100 and Enterprise 25 rankings were calculated.