It is banned in China. The criminal activities occur when Bitcoin or other cryptocurrencies were used to fund crimes , fraud and do something totally out of law. It is a huge thing, and when you have no sufficient knowledge about it, you will easily lose control and motivated merely by your implusion. And it is not easy for govornments to take everthing under control neither. Chinese are more prone to invest in gold. https://xtrading.com/financial-questions/how-to-purchase-gold-as-an-investment-in-2022/