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 …

The Home Depot Inc.’s new lawsuit against Visa Inc. and MasterCard Inc. makes many of the same antitrust allegations that other merchants have lodged against the big networks in recent years. The suit, however, is notable for asking the court to quash Visa’s Fixed Acquirer Network Fee (FANF) and, like …