Until now my country or government still banned bitcoin, but not give effects for user's. Now, bitcoin use more than 3℅ peoples in this earth. So, if any government banned bitcoin not effects with bitcoin performance.
as well as the country they prohibit the use of any virtual currency, but once again they will not be able to stop users to continue using bitcoin, because they can not stop, so it does not give any effect
Prohibition of bitcoin because it was feared could replace the official country currency, so that people will switch to bitcoin and certainly economically use bitcoin can be hard to use for transactions of real for example buy directly. And also because its price tends to rise could create an inflexible pieces priced goods and commodities.