Mastercard

As the government weighs changes to interchange, Michael Miebach voiced his displeasure during the company's earnings call.

The card network integrated its data-sharing technology into products from Zip, FIS and JPMorgan Chase as potential regulations loom on the horizon.

As false credit-card disputes spike, the networks have updated policies to provide merchants and issuers with more data to combat false chargebacks.

The card network's ambition to add services has led it to work alongside companies like JPMorgan Chase, Jack Henry & Associates and Stax.

Firms like Oracle and Billtrust are betting companies with smaller, more remote teams will adopt digital transaction systems to ease the burden of paying their vendors.

The use cases for non-fungible tokens for consumer loyalty, gaming and other business purposes are expanding, while banks and payment companies step up their NFT experiments.

A real-time refund can allow travelers to quickly rebook after a cancellation, and instant credits can make longer airport waits more bearable, according to fintech experts.

Pushes for transparency on charitable donations and ghost guns, among others, were voted down.

"With ACH payments there's a latency in how they are processed; it can take two to five days. Things can happen," warns Silvana Hernandez, senior vice president of digital payments at Mastercard.

Visa is planning a raft of changes to rules for gas stations to allow larger transactions after a surge in fuel prices across the U.S. made it hard for some drivers to fill up using credit cards.