Here's a list of some of the better crypto and blockchain resources I've come across.
Cryptocurrency
A Workable Definition for Consumptive (“Utility”) Tokens
Wyoming law creates a framework to define consumptive, or utility, tokens in a way that distinguishes them from non-utility security tokens. The law provides guidance for in-state blockchain developers who seek to create a non-security utility token, and it provides a clear working model for other states (and potentially the SEC) to follow.