https://www.youtube.com/watch?v=SiKnWBPkQ4I

Did not find cryptonauts here on Steemit. 
This a simple explanation  of POW and POS.

Newbies wondering if they should invest in BTC or ETH on the long term, this can help.
Will put it in my gdoc for crypto newbies.
https://docs.google.com/document/d/10VweH0qIzTCc86H_YPZ2YR5IJVeo6VKsBmhuEk9_2Z0/edit?usp=sharing