Its true many countries try to reject crypto currency.. Bitcoin is the main of them. This is due to reduction of government taxes  due to the use of bitcoin in trading. They will afraid for this. But countries like united kingdom and Russia already began to accept bitcoins. So soon other governments too will accept bitcoins. United kingdom already placed atms to withdraw bitcoins.As i see , Bitcoins already replaced the currents systems of the world. Other countries have no other option than accepting bitcoin in later phase..