:)Countries are divided into 3 groups: those who ban bitcoin, those who will regulate it strongly and those who will give complete freedom to development. The second and the third groups us well be satisfied with. This majority. It's enough to survive.Therefore, it is not necessary to look for negative outside of us. ; 
Countries that ban bitcoin will following to regulate bitcoin. If more advance country regulate bitcoin, i am believe emerging country and third country will follow to regulate and trying to collect taxes from bitcoin transaction