Key questions: Evaluating cryptocurrencies & alt-coins


Adapted from "Mastering Bitcoin: Programming the Open Blockchain" by Andreas Antonopoulos.

With so many alt-coins currently in the cryptocurrency world, how can one reliably evaluate and decided which coins are worth deeper understanding and analysis? Which cryptocurrencies come with real-word applications and which are just a marketing ploy for a get-rich-quick scheme?

This is a companion discussion topic for the original entry at