John Adams

The bank, which helped launch the real-time network for peer-to-peer payments, is trying to duplicate that success by helping corporate clients process certain transactions instantly with wholesale partners and, in some cases, retail customers.

The card network plans to start removing stripes on cards in three years and will eliminate them entirely by 2033. That is expected to be enough time for most merchants to adjust, but gas station operators worry they won't be ready when the transition begins.

Most people aren't spending bitcoin in stores, but major point-of-sale terminal makers are developing technology and business relationships on the belief that demand will build fast.

The London neobank, which has applied for a banking charter in California, is working to undercut banks on pricing for consumer payments to Mexico.

Card networks are working with the Metropolitan Transportation Authority to build on touchless fare collection for marketing and commerce.

The deal will help the bank serve small-business customers that are shifting to digital payments.

The e-commerce giant is adding a surcharge for Visa credit card payments in Singapore. It's a tactic reminiscent of the time its big-box rival outright banned the card brand in Thunder Bay, Ontario, in a bid to lower its costs.

The combination of American Express and its fintech subsidiary Kabbage is starting to bear fruit at an opportune time, as credit card companies increasingly expand their range of products to boost revenue.

While other digital payment providers have partnered with banks to improve their offerings, Circle's plan would enable it to offer regulated financial services in-house to complement its U.S. Dollar Coin cryptocurrency.

As tech giants rush into point-of-sale lending, the smaller companies that built the market are counting on acquisitions and partnerships with specialized vendors to defend their turf and pull in new borrowers.