Let them ban everything related to crypto currencies, not many people will care about Indonesia. This market has evolved to such degree, there is no way to stop Bitcoin from expanding. Even if people aren't allowed to use Bitcoin in any shape or form, there will be enough ways for them to obtain Bitcoin. Governments are only pushing the people further away from themselves with this, because if you regulate the market properly, you to a certain extent have the ability to maintain some sort of control, which with a ban will not be there. We'll see how this plays out, but it won't have a single impact on the market if they do actually ban Bitcoin.