At this point in time, I believe that we should only invest in the short term, you can see that the market is fluctuating continuously and very difficult to predict, bitcoin prices are constantly decreasing and according to my analysis will still be It is possible to continue falling sharply until the end of 2018. The market is bearish in the long run so you should not invest long term at this point, which is very risky if the bitcoin can not be recovered. .