Crypto Portfolio and Convase Exchange acknowledged that some customers have been wrongly overcharged for crypto credit and debit purchases, and promised to fully reimburse all affected customers, on Thursday, February 15, the Conbabs Blog Report.
According to Mr. Sinbase, the problem occurred when banks and card issuers replaced the merchant category code (MCC) for the purchase of crypto earlier this month. SOURCE https://cointelegraph.com/news/accidental-charges-lead-to-coinbase-users-losing-thousands-of-dollars-refunds-promised