[qqwref]

Silly idea: tax credit transactions. If you want to send, say, 10000, it costs you an extra 5% so you pay 10500 and the extra 500 goes nowhere. You would only get an exception if the transaction is "approved", which would basically be for giving out event/tournament prizes. Event Managers would be perma-approved and would be able to temp approve others when they send out tournament prizes and the like.