A rogue member...is suspected...untraceable...favoured by web activists and hackers....could cost members of LulzSec and fellow collective Anonymous thousands of dollars each...drove the value of the currency down almost to zero...The idea was created in 2009 by a Japanese programmer..enerated by a mathematical algorithm after computers complete a certain number of complex calculations...Some of the most experienced members of the Anonymous and LulzSec hacker collectives are believed to have had "botnets".