I heard that some countries banned Bitcoin and 2 of them are China and Russia because the goverment think that Bitcoin deals are speculative, and the currency is always risky. But is it correct because there are a lof of Chinese use Bitcoin now?
Many countries banned bitcoin , for our country philippines it's illegal because of they think bitcoin uses illegal stuffs or what so ever and lack of knowledge and understanding what is bitcoin. And back to topic russia , china and including the indonesia government banned it because somehow the marketplace going low though , and I put down some links below I hope it can help. . This link shows why :
https://www.theguardian.com/technology/2018/jan/17/bitcoin-continues-slide-drop-russia-china-regulatory-fears-cryptocurrency