Are you kidding. They could make bitcoin transactions criminal and put users in jail. They already confiscate bitcoin ransom payments. China already made bitcoin transactions illegal.

https://www.bbc.com/news/technology-58678907#:~:text=China%27s%20central%20bank%20has%20announced%20that%20all%20transactions,it%20%22seriously%20endangers%20the%20safety%20of%20people%27s%20assets%22.

When bitcoin is illegal all wallets will be contraband and all users will be criminals.

TEK