Well, I do not know, there are always some problems with coins. They are kidnapped, then they do not trade at all ... It does not check anything ... Everything that is created by a person is not reliable by definition ... And everything that is connected with a computer, especially ...
Yes, the pyramid crashes quickly, as it is limited to a certain range of persons and place. Bitcoin crumbles the same way, it's just taken seriously, so it does not drop to zero. And then the price is not constant, which indicates the lack of reliability of the tool!
As an instrument, perhaps he will find primitiveness, but he is very simple and slow, there is no possibility to develop. As a magazine for the population census except that ....