Finally it appears that cryptocurrencies are starting showing some rational behaviour. Yes, the volatility is still there, but it is becoming reasonable by the day. We still have huge upward movements and retracements, but we perhaps have a semblance of order creeping in now, I believe.
Take a look at the following charts. There were three major events in 2017 alone, and frankly speaking, 2017 has been perhaps the most eventful year in the history of cryptocurrencies, particularly bitcoin.
In the first case, Bitcoin civil war between developers and miners sets a meltdown in bitcoin, taking it from $3k to $2k in a single day.