@asymmetricanarch Bitcoin is designed in such a way that no one single person or corporation can control it. Since its decentralized, it has been very difficult for governments to even think of ways of how to control it. It could however be restricted and laws could made that would make it harder for people to use, however since its a global crypto currency the chances of that happening are slim to none.
They will however try to make their own crypto currencies that will be more centralized.
I think even then bitcoin will remain and be even more popular then it is now, making it a wanted asset like silver and gold.