What is the most critical moments in Cryptocurrency and Bitcoin history

[susuberuang]

the most critical moment in the world of cryptocurrency is when at the end of 2017 yesterday and the beginning of 2018, when the end of the year the price of bitcoin experienced a very high price increase while the price for the new year 2018 began to fall as bad as this and in my opinion this is an event which is very critical because making a price for one year does not have a good movement.

[kominfo.id]

the most critical thing about the history of cryptocurrency seems to have happened when the price of bitcoin which initially had a price of $ 20k and now the price of bitcoin became very cheap was very critical.