John Adams

This week's plunge in bitcoin's value highlights one of the biggest concerns in using the cryptocurrency for payment. Stablecoins, which are pegged to traditional currency such as the U.S. dollar or a precious metal, are seen as a much less risky investment.

The information you need to start your day, from PaymentsSource and around the Web. Today: Singapore enhances its fintech sandbox; IMF official pushes central bank virtual currency; CBA boosts blockchain, India's post office adds e-commerce.

Amazon Go’s cashierless checkout model has made its impact felt across the board, motivating large chains like Walmart and Kroger's to respond. But the biggest threat it poses is to convenience and fast-food brands like 7-Eleven.

The information you need to start your day, from PaymentsSource and around the Web. Today: A breach at Nordstrom; Mobile pay deal in South Africa; Pay.UK expands data reach; Flipkart CEO resigns; Hackers hit Target's Twitter account.

Amazon’s transit-friendly posture should provide momentum for digital ticketing and other subway improvements in Queens, N.Y., and northern Virginia — and if recent history is any indication, Amazon may take an active role in improving that infrastructure.

The information you need to start your day, from PaymentsSource and around the Web. Today: Mastercard opens hub in Australia; Grab adds more financial services; EBA pushes Request to Pay in Europe; Ripple wants its XRP suit transferred.

The information you need to start your day, from PaymentsSource and around the Web. Today: Walmart's testing new retail tech; The no-cashier market's getting more crowded; U.K. businesses win ATM tax case; Contactless spreads for trivia contests.

The ploys vary widely—digital tracking, fee incentives and "coopetition"—but banks are turning up the volume on innovation to pry businesses away from checks and keep them from signing up with rival tech startups.

American Express' progress with local officials in China regarding card payments provides a potential early advantage against rivals like Mastercard and Visa. But building a market in China has never been easy for a global card brand.

The information you need to start your day, from PaymentsSource and around the Web. Today: New ATM attacks from North Korea; Cryptocurrency emerges for financial inclusion; Hong Kong upgrades federated ID; U.K. fintech expands donation technology.