We all are aware with the decentralised nature of bitcoin and this is very obvious also that there is no one keep eye over all the bitcoin activities as there is no such proper authentic regulating body over bitcoin and this leads to its illegal use as some social defaulters knows this thing very well that bitcoin has no governing authority and thus use in selling drugs, explosives, money laundering etc and these are the illegal activities that are related with bitcoin and in order to stop this bitcoin needs to get legalised all over the world.