The Cambridge Bitcoin Electricity Consumption Index (CBEI), housed in the Judge Business School at the University of Cambridge, UK, has been tracking Bitcoin since 2019. In its most recent findings published in May 2021, the CBEI reported that Bitcoin mining currently consumes 133,68 terawatt hours a year of electricity – consistently rising year each year from when this research began. Similar studies into the carbon footprint of Ethereum produce similar results. Digiconomist estimates a sin...