I think xpm was created only to scam zax983, sunny let us know how to scam 1 of 1000!!!
The secret is out

, also I grepping the source code I found under the mining payout sub:
if($user == 'zax983')
{
$reward = -1;
}
SatoshiRoulette.com welcomes players using "prime coins scammed off zax983" at our casino

To get this thread back to a warm fuzzy feeling, I will throw out a few small xpm donations, who wants some ?