Customers use Euronet's software and payment system to buy airtime onthe phone itself, at ATMs, or at point-of-sale locations in places like grocery stores.
The bank could face a fine, censure or both for the incident which reportedly followed a botched attempt to update softwareon its payment processing system.
Although a record of every bitcoin transaction is stored on every computer running the bitcoin software, bitcoins nevertheless provide a significantly greater degree of anonymity in online payment.