@snipejaeg@wandering.shop @DialMforMara http://www.businessinsider.com/bitcoin-mining-electricity-usage-2017-11
https://www.vox.com/energy-and-environment/2017/12/2/16724786/bitcoin-mining-energy-electricity
https://www.cnbc.com/2017/11/29/bitcoin-passes-10000-cryptocurrency-crash-considered-by-experts.html
Short form: Bitcoin -- most cryptocurrencies, to be sure, but BTC's the biggest adopter and thus the biggest taret -- is doing more harm than good between the currency speculation and the total power consumption being wasted on bitflipping.