John Adams

Payment technologies are in an unwelcome spotlight this month, as security researchers expose their weaknesses just as the products are winning a long-desired trust among mainstream consumers.

Three quarters of debit cards will have chips by the end of the year, but slow merchant adoption is limiting use, according to Pulse.

Payments technology is rapidly changing, but so is the broader environment for retailers, creating a need for flexible and diverse payment acceptance options.

The tough move from free to fee for its readers has Square adjusting its strategy to lure merchants, but it also opens the door wider to new markets, according to CEO Jack Dorsey.

While Early Warning is continuing to recruit banks to participate in its risk management engine and clearXchange P-to-P network, it's also working with nonbanks to quickly expand its footprint.

The mega-banks behind Early Warning's clearXchange network provided a huge base to push the speedy processing necessary for digital payments—but even the biggest banks don't blanket the country as well as Visa and Mastercard.

Swedish mobile payments company Seamless has steadily diversified the range of contactless payment technologies it supports in the hopes that it will be able to provide an entry-level platform for any financial institution's mobile wallet strategy.

Wells Fargo's embrace of Near Field Communication technology is rapidly approaching at least one milestone — a customer experience that does not require a card to use an ATM or pay in a store.

HSBC may seem like an enthusiastic supporter of third-party wallets, taking the rare step of supporting Apple Pay, Android Pay and Samsung Pay. But these partnerships may prove to be mere stepping stones for a much bigger mobile strategy.

Square will enable sellers to make daily bank deposits, adding another in a series of merchant-focused perks designed to diversify revenue streams and sweeten the company's appeal to businesses.