Betfair's audit trail means it can easily identify the source of any bet placed on its website and, in the event of suspected cheating, the company will disclose details of client accounts to any sporting body with which it has an agreement.
As well as UEFA, the Greek government has launched an inquiry into the Panionios game after bookmakers stopped taking bets on the Greek side losing at half-time and then winning at full-time. There was also a deluge of money for the correct score of 5-2.
Panionios and Tbilisi deny the corruption allegations.