@article {672973,
	title = {A Hitchhiker{\textquoteright}s Guide the the Blockchain Universe},
	journal = {ACMQueue, Communications of the Association for Computing Machinery},
	volume = {16},
	number = {6},
	year = {2019},
	url = {https://queue.acm.org/detail.cfm?id=3305265},
	author = {Jim Waldo}
}
