Some countries were already banned bitcoin, and here in my country they did not banned it not because they don't know what to do but they find bitcoin as an interesting and a great opportunity for the people, and a big help in our growing economy.
If some countries already banned bitcoin but some countries already legalized it so that if your country started to banned bitcoin or any cryptocurrency you must transfer to another countries where bitcoin was legal fee to use. In addition to that, adoption bitcoin in our industry will really help our economy to grown up.