Bitcoin Ban Expands Across Credit Cards as Big U.S. Banks Recoil

A growing number of big U.S. credit-card issuers are deciding they don’t want to finance a falling knife. JPMorgan Chase & Co., Bank of America Corp. and Citigroup Inc. said they’re halting purchases of Bitcoin and other cryptocurrencies on their credit cards. JPMorgan, enacting the ban Saturday, doesn’t want the credit risk associated with the…