Bit money is most a kind of network that rise early is fictitious money, can use in real life, buy the goods in real life, the quality of the RMB that uses with us on certain level, dollar is same. But different is bit money does not belong to any country and orgnaization, can use in digital world only, can be in world any place to change. Because bit money cannot be superintended, be used to undertake washing money by illegal element, buy drugs and ammunition to wait illegal trade. Headquarters of Shanghai of Chinese Central Bank and office of Shanghai banking service express, should be on guard continuously of ICO and fictitious money trade risk, remind broad consumer and investor to follow suit not blindly hype. Of the fictitious money such as bit money trade to be considered as a large Pang fraud, the fund that uses new investor will pay the interest of old investor, bit money is roily still normal money market, go up drop extent is great, do not give a shop sign by constant manage, cause loss of a lot of investor great, a lot of investor that resemble Shikoku of Japan, Korea, India, Vietnam suffer similar blow.