This article first appeared in TechCrunch magazine and I thought it would be interesting for Steemit readers. It explains 100 cryptocurrencies in four words.
Clearly, you need to have a better knowledge to understand what those four words mean for each cryptocurrency but it may help in giving a quick definition to each coin. You can find the whole article here https://techcrunch.com/2017/11/19/100-cryptocurrencies-described-in-4-words-or-less/