Looks like you are describing conventional cash! ;) Any kind of currency allows criminal actions... check for example this: http://www.nbcnews.com/business/rep

Looks like you are describing conventional cash! ;) Any kind of currency allows criminal actions... check for example this: http://www.nbcnews.com/business/report-hsbc-allowed-money-laundering-likely-funded-terror-drugs-889170 http://www.nbcnews.com/business/report-hsbc-allowed-money-la... and this: http://www.guardian.co.uk/world/2009/aug/17/cocaine-dollar-bills-currency-us http://www.guardian.co.uk/world/2009/aug/17/cocaine-dollar-b...