China's three major virtual currencies trading platform Bitcoin China, Coin Network, OKCoin currency have announced that they will cease trading business, the Chinese regulatory authorities so resolute and beyond imagination. I would like to know why China prohibits bitcoin. What is the reason, who can tell me?
This is the news link I saw before：
http://www.myzaker.com/article/59bf055a9490cb703500002b/Voice of china's reports on late 2017 Announcement on preventing the risk of issuance of coinage offerings,
Requiring that any institution not engage in the interaction between legal currency,tokens,and virtual currency
One of the reports states that despite the official ban,the companies operating in the cryptocurrency sector.