Even as Amazon has expanded its cashierless Amazon Go stores to new cities, it has been careful to limit the size of each store as a concession to the limits of its technology. That constraint may soon be a thing of the past.

An invisible payment becomes a lot more visible when it’s compromised, making Marriott’s data breach a threat to one of the most important innovations in retail, which should scare everyone from Uber to Amazon.

The concept of Smart Cities — which use mobile payments, global positioning and related technology to streamline parking, transit, building access and traffic — is deeply intertwined with the development of payments technology and regulation.

As the concept of smart cities — urban settings undergoing a digital transformation through "internet of things" technology and connected platforms — evolves, so too will the concept of making a payment.

Quicken and U.S. Bank are launching a co-branded contactless credit card that will integrate with Quicken's personal finance software and mobile app.

Any future machine-to-machine environment calling for communication and transactions will surely include a consumer's option to make payments through such a network. That turns any home or business into its own complex network of devices, routers, sensors, passwords, communication coding and private credentials.

Proponents of real-time payments systems say banks must embrace them given consumer demand for more immediacy and transparency, even if criminals will try to exploit them.

Kenya’s Family Bank Ltd. will collaborate with London fintech SimbaPay to launch a transfer service to China with WeChat.

Indonesia’s Go-Jek plans to roll out a preliminary version of its ride-hailing app in Singapore Thursday, bringing fresh competition to the hometown of arch-rival Grab, according to people familiar with the plan. Both companies combine ride hailing technology with payments and other financial services.

Blockchain may have received its most exposure as the distributed ledger technology at the foundation of cryptocurrency exchanges, but its use cases are advancing into other data-driven or supply-chain industries pursuing the Internet of Things.

Atlanta Fed chief says consumers don't know the risks of using nonbank payments providers, like Apple Pay; equity derivatives desks will reap rewards of volatility.

As U.S. banks move toward faster payments, they should heed the lessons U.K. banks learned about criminals after launching their real-time transaction system, says Varo Money's fraud strategy leader.

Warren Kornfeld, senior vice president at Moody’s Investors Service, explains why banks’ fear of Amazon, Apple, Facebook and other tech giants is legitimate.

The world’s biggest digital coin began life promising to become “electronic cash,” but bitcoin and its swarm of imitators are slipping deeper into the shadows of traditional payment services.

Payments processor Elavon has agreed to provide Belgium's leading postal operator with payment acceptance services at more than 650 locations.

Bitcoin extended its tumble on Monday after breaking below the $4,000 level over the weekend, putting the 2018 crash within striking distance of the cryptocurrency’s worst bear markets.

A year after its launch, Zelle’s P2P payment volume has rapidly expanded through usage at the nation’s largest banks. But enabling smaller institutions to offer it to their customers is proving to be more challenging.

There's never a good time to expose customer data, but the incident Amazon disclosed Wednesday could upend two major events: Black Friday/Cyber Monday and a reported effort to get merchants to accept Amazon at the point of sale.

When companies cling to outdated methods of payment processing, the results is a highly fragmented consumer experience. It also adds unnecessary administrative costs and decreases efficiency, writes Jeffrey Brown, president of VPay.

Across all age groups, many consumers still prefer shopping in stores for various reasons. But even when going into a brick-and-mortar store, these consumers don't leave their digital habits behind; many still prefer to pay by mobile or wearable when the option presents itself.