well, its kinda hard to believe that this will work. sure, the reasoning is quite good but lets imagine there is a simple user file for every account (all the more because its customer support!) and every more "complex" action is logged?
i.e. 2007-02-05 ACCOUNT ILYLINA PAIDTRANSFER FROM:DAGGERSPINE TO:DEFIASBROTHERHOOD
well, like i said: its kinda hard to believe.