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- An interdisciplinary team of researchers at the Technical University of Munich (TUM) has revealed that Bitcoin system has a carbon footprint of between 22 and 22.9 megatonnes per year. This is comparable to the footprint of cities such as Hamburg, Vienna or Las Vegas.
- Bitcoin mining is very energy-intensive and the process has increased rapidly in recent years. The annual electricity consumption by Bitcoin, as of November 2018, is about 46 TWh.
- The researchers have recommended that cryptocurrency mining should be regulated in regions where power generation is especially carbon-intensive. Also, to improve the ecological balance, more mining farms can be linked to additional renewable generating capacity.



