They can ban it all they want or they can, it wont really be still giving out significant effect into the market knowing that this isnt only the country that do  get involved with Bitcoin.

If we do try to flashback on how China made out the same move then it didnt really able to shook off the market.Just let them be, because sooner or later they would able to realize

that they had made a big mistake and hell? they do tend to make their own official digital currency? Its just an obvious e-fiat thing and wont really be called out a crypto.
They do just want to monopolized things, as usual.