Quite a lot of new projects are currently not selling their product, mainly due to the lack of investment. From December 2017 to September of this year, investment volumes decreased 10 times ..
This is the most important problem of cryptocurrency, that money can both appear and disappear, although it does not correspond to any physical and financial law.
Exactly, it's already like a Russian roulette, or a casino. It is not very safe, it can go up and down because it is unstable