Bitcoin energy consumption

• 2017-12-19 https://www.washingtonpost.com/news/energy-environment/wp/2017/12/19/why-the-bitcoin-craze-is-using-up-so-much-energy/
• 2017-12-15 http://www.independent.co.uk/news/business/news/bitcoin-energy-use-coal-power-cryptocurrency-generation-server-farms-dirty-secret-china-mongolia-a8111666.html
• 2017-12-15 https://www.bloomberg.com/news/articles/2017-12-15/turning-coal-into-bitcoin-dirty-secret-of-2017-s-hottest-market
• 2017-12-13 http://www.dw.com/en/bitcoin-energy-boom-stamps-down-colossal-carbon-footprint/a-41695365 "For a service used by just 3 million people, bitcoin is vastly less efficient than the current global banking system."
• 2017-12-09 http://www.dailymail.co.uk/news/article-5161765/Bitcoin-mining-causing-electricity-blackouts.html
• 2017-12-07 https://www.vox.com/energy-and-environment/2017/12/2/16724786/bitcoin-mining-energy-electricity
• 2017-11-27 https://www.theguardian.com/technology/2017/nov/27/bitcoin-mining-consumes-electricity-ireland