Even though it is still the very early days of mobile payment wearables, consumer use of the devices is poised to reach a transaction volume at $501.1 billion by 2020.

MasterCard and Citibank India have launched what they claim is the first global digital wallet service in India.

Max Levchin, founder and chief executive of point of sale credit startup Affirm and co-founder of PayPal, has resigned from his position as chairman of Yelp's board.

PayPal this week released new research predicting a robust market in China for U.S. retailers, a bullish outlook that’s not being tempered by the vast selloffs in the Chinese financial markets.

Visa is partnering with and investing in Stripe, fueling the processing startup's international ambitions and product development while giving the card network added juice to build new technology.

The problem with basing a mobile point of sale system on Apple products is the merchant invariably pays Apple prices. E-Nabler aims to demonstrate that the same capabilities can be had on Android tablets and smartphones for at least half the price.

Starbucks and American Express are both using cross-merchant rewards to boost their own volume, but with a very different philosophy driving each company's program.

Person-to-person payments have been delivering huge improvements around the globe in areas where cash is difficult to use. But in countries where cash suffers little hardship—including the U.S., the U.K. and Canada—the P2P business case is very different.

Square Inc., the mobile-payments company founded and led by Jack Dorsey, the interim chief executive officer of Twitter Inc., filed confidentially for an initial public offering, people with knowledge of the matter said.

Protecting payment card data is a never-ending struggle, and the fraudsters are only getting more creative. So far this year several incidents and studies have demonstrated the evolving nature of cybercrime.

After almost three years in development, the retail industry's answer to Apple Pay is finally getting off the ground.

PayPal's gotten off to a rousing start as an independent company, but Visa CEO Charlie Scharf doesn't appear to be worried.

Loyalty programs are typically viewed as a consumer-facing marketing play, but the shift to mobile commerce is bringing these programs deeper into the supply chain.

Starbucks now handles nearly nine million mobile transactions each week in its U.S. stores, representing 20% of sales and more than double the figure it reported two years ago.

Europe's clash over interchange rates is being spun into marketing gold by alternative payment companies like Seamless.

Even if shoppers of Amazon.com's Prime Day event — advertised as better than Black Friday — found more to mock than to buy, the promotion last week marked the acceleration of an "on-demand economy" that other retailers can no longer ignore.

Apple executives didn’t flaunt Apple Pay transaction numbers or Apple Watch sales figures during a July 21 third-quarter earnings call, but they did provide some measure of merchant acceptance of the growing mobile payment system.

Apple Inc. showed how to combine biometrics and tokenization in a mainstream product, and now companies of all sizes are working to build on this combination.

The credit union-led CU Wallet is working to attract small-business support by drawing on the local ethos that credit unions have nurtured for years, but it faces a formidable challenge as device makers such as Apple and Samsung bake their own wallets into the hardware.

Two companies have partnered to serve the rapidly expanding mobile personal finance and remittance markets in Africa and Asia.