It would be near impossible to eliminate or fully regulate bitcoin. The government themselves knows that and if anything happens, they would regret their actions as the revolt would be massive for a country that is digitally inclined and are fully into bitcoin. The peoples power would come into play and nothing can stop them. I have come to realize something that the masses could be calm and obedient to the laws but can not be oppressed forever as they would definitely revolt or protest to communicate or show their grievances.