The U.K.'s payments watchdog said Tuesday that it has fined Mastercard and four other companies a total of £33 million ($45 million) for operating a cartel for prepaid cards that were used by local authorities to make welfare payments to the vulnerable.
The U.K.'s payments watchdog said Tuesday that it has fined Mastercard and four other companies a total of £33 million ($45 million) for operating a cartel for prepaid cards that were used by local authorities to make welfare payments to the vulnerable.