2018 crypto crash similar to the 1929 crash ?

[allthebitandbobs]

Seems like they both happy pretty similarly .people borrowing money to invest right before the crash  and such .How long will the crpto crash last for and will bitcoin lose 80 % of it value similar to 1929 ?Some interesting video documents i found below.

https://www.britannica.com/event/stock-market-crash-of-1929
http://www.history.com/topics/1929-stock-market-crash/videos/stock-market-crash-of-1929