The government is still checking the use of bitcoin, it is difficult to track bitcoin users because it is anonymous.
So the government must have a special team for this case, but this is not easy.
Many people believe that after checking the use of bitcoin it will instantly legalized but I think there are many processes will do. It is a good to the government to have special team to this kind of field so that easily finish the checking. Do you think after the checking of its use the government will allow the people to use it as currency?