Now, in the crypto currency market, we are seeing a spike in currency rates up and down. Instability of the market is conditioned by its "young age". All these events are natural for something new. In fact, now everything is just beginning.
I really believe that in the near future, all or almost all the crypto-currencies we know will die. The overwhelming majority of currencies will disappear, they will be replaced by the currency "X" with a relatively stable fixed rate. After that, a complete transition will be made from the existing financial world paradigm to the new one.
In general, the transition from paper banknotes to crypto currency is one of the natural and logical events on the way to globalization of the world.