Cai Wensheng, a well-known angel investor, said in an interview, I am very optimistic about the successful experience of Hong Kong, and it may even be passed on to the Chinese mainland in the future. Not long ago, I saw that the retired deputy governor of the People's Bank of China proposed that China should reconsider the development of cryptocurrencies. Although it does not represent an official statement, I think it already represents a trend. The Chinese mainland has been rethinking the deve...