Someone posted a toy model with a lot of explanations: https://etherlearn.cryptizens.io/#/home (HN discussion https://news.ycombinator.com/item?id=25967789 | 23 points | 3 months ago | 3 comments)

My lazy guide to cryptocoins is:

* Never invest more than you can afford to lose.

* A fool and his money are soon parted.