Of course the statistics are relative. And not everything can be accurate, but an interesting fact - almost every exchange has its own coin. It is not difficult to guess that the owners of this coin are very rich people. At each rise of the market it can be sold in huge batches.
Cryptocurrency investment certainly requires enormous confidence and patience because it is already a risk in investing with crypto currencies and because prices cannot be ascertained
Investment is equals to risk and the level of risk based on ROI percentage of our investments.
When an investment has three or four digit ROI per year then the holding risk also supposed to be very high right.