Most of us already know that Bitcoin futures would affect the bitcoin price but has never thought in this way. We just thought that it would make bitcoin crash just like what happened in tulips bubble.Most of the experts have already predicted that Bitcoin futures may lead to bitcoin crash as it happened in tulips.We could also see that there were irregular movements of bitcoin price suddenly reaching ATH of 20,000 dollars and then suddenly falling down and remaining stand still in that price range for more time.It makes us to suspect that price manipulation is being done.