Yeah like all of these get rich quick privately produced currency schemes this one has taken on a life of it's own thanks to virtual worlds latching onto it.
Like the article I posted says:
"After 9/11, the authorities have become far tougher in
trying to crack down on the financing of illegal activities through
anti-money laundering rules that require banks to know the source of
funds being transacted."
That will be the undoing of it if nothing else does it sooner.