If they don't like it, governments could block the use of that currency, make it illegal, or force people to exchange it for a state-backed crypto currency. The

If they don't like it, governments could block the use of that currency, make it illegal, or force people to exchange it for a state-backed crypto currency. There's no reason to think crypto currencies will make people freer or end any war. Eventually governments and corporations find ways to control all these tools that are supposed to give people freedom.