But, wait, it's illusory...

Time has an article by Laura Stampler about the Chinese and BitCoin:

Bitcoin prices began dropping rapidly following the People’s Bank of China’s announcement that it was barring the digital currency from all of China’s financial institutions. Individuals can still use Bitcoin, albeit at their own “risk.”
While Bitcoin was trading at a high of $1,240 prior to the statement, it quickly sank to a low of $870, a thirty percent drop.
Bitcoin’s price has always been volatile. In November of 2013, the currency made news when it reached what was then an all-time high of $305.

Rico says how you can ban something that doesn't really exist is a puzzle, even for the Chinese...