A federal appeals court on Thursday threw out a massive agreement initially reached four years ago over card-network interchange and acceptance rules, drawing a sudden veil of uncertainty over crucial legal matters much of the payments industry had thought were all but settled. In a 41-page opinion studded with sometimes …

The Kroger Co. on Monday sued Visa Inc. over the network’s alleged efforts to force the nation’s leading grocery-store chain to route EMV chip debit card transactions over Visa’s network by having customers sign for purchases rather than enter PINs. Kroger, the largest retailer after Wal-Mart Stores Inc., according to …

  Regulation of virtual currency at the state level is proving to be a stop-and-start affair. No other state has yet followed New York with its now famous “BitLicense” to regulate virtual currencies under existing law. But in North Carolina, a bill to update the state’s money-transmitter act could become …

• The Merchants Payments Coalition, a Washington, D.C., lobbying group, released a new statement decrying what it calls a “poison pill” provision embedded in a bill proposed earlier this month by U.S. Rep. Jeb Hensarling, R-Texas, to reform the 2010 Dodd Frank Act. The provision would repeal the debit-interchange curbs …

Digital-currency specialist Circle Internet Financial Ltd. is expanding into China following a $60 million investment from a syndicate of investors. This follows a $50 million funding round raised last year by the Boston-based company. Circle enables users to send and receive funds instantly at no charge using blockchain technology. A …

• Wal-Mart Stores Inc. launched Walmart Pay in 11 states: Virginia, North Carolina, South Carolina, Nebraska, South Dakota, North Dakota, Iowa, Tennessee, Kentucky, Michigan, and Indiana. • Citing volatile exchange rates for the British pound, some money-transfer companies are temporarily suspending pound transfers until after results of today’s “Brexit” vote on …

Microsoft Corp. on Tuesday joined the mobile-payments race in earnest by announcing it is making near-field communication capability available on Microsoft Wallet for in-store transactions. The wallet works with Microsoft’s Windows 10 operating system. The new payments feature is limited for now to members of Microsoft’s Windows Insiders program “in …

• Banking and financial-services provider BNY Mellon announced its Treasury Services unit has introduced Tokenized Payments, a service that allows its clients to send real-time or next-day payments to consumers. The service relies on Early Warning Services LLC’s clearXchange network and allows payments using the recipient’s email address or mobile …

•  Costco Wholesale Corp., along with Citigroup Inc. and Visa Inc., officially announced the new Citi-issued Costco Anywhere Visa consumer and business credit cards to replace Costco’s American Express Co. cobranded card; the new card gives 4% cash back on gas purchases, 3% back on restaurant and eligible travel purchases, …

• Visa Inc.’s Canadian unit posted an “open letter” in Canadian newspapers Thursday to protest Wal-Mart Stores Inc.’s plan to stop accepting Visa cards in its 400 Canadian stores beginning July 18 because of allegedly high acceptance costs. “Wal-Mart has initiated a public flight—something we never wanted—as they are using …