english: And because of this fiendishly clever encryption system, the 20 or 30 -- we don't know exactly -- thousand sites that operate there are incredibly difficult to shut down.
non_english: Zbog đavolski pametnog  enkripcionog sistema, 20 ili 30 - ne znamo tačno -  hiljada sajtova koji tamo rade neobično je teško ugasiti.