Cheryl Winokur Munk

A few early adopters — mostly restaurants — have gone cashless, but many merchants have concluded that cash must remain on their menu of payment options.

As contactless cards continue their momentum in the U.K., new use cases are popping up for the tap-and-go technology.

Several U.K. businesses have shifted their stance on credit card acceptance in the wake of a new EU law that became effective Jan. 13 — with some providers putting an end to their credit card acceptance altogether.

Bluestone Lane, an Australian-style café and coffee shop chain in the U.S., has been well-served by its move to cashless payments in October 2016. But even the most well-planned transition can encounter problems if customers aren't expecting it.

Global policymakers are all over the map when it comes to regulating cryptocurrencies. But industry participants are eager to have some direction — and soon.

For the U.S., being late to the real-time payments game has some tactical advantages, namely the ability to learn from other countries' successes and failures.

Unattended gas pumps would seem to be the perfect use case for EMV's anti-counterfeiting security, but many gas station owners are putting off their upgrades for as long as possible due to hardships that other retail categories don't face.

Many consumers dread the car buying or leasing process—and with good reason. The process of finding a car, negotiating its price and then further negotiating the financing can be arduous. It's no more fun to begin making the monthly payments.

As marijuana legalization spreads throughout the U.S. and the world, companies in the cannabis market must navigate a delicate tangle of new and old regulations. And many payment providers are unwilling to risk working with dispensaries, leading to some inventive workarounds.

A new generation of Internet-connected vending machines could make digging for spare change and fiddling with uncooperative dollar bills a thing of the past. At a growing number of locations, customers can now pay by credit card and mobile wallet.