The cryptocurrency Bitcoin is known for its massive energy footprint. Now, researcher Alex de Vries, from PricewaterhouseCoopers (PwC) in the Netherlands, suggests that renewable hydropower production cannot supply the large quantities of energy needed to power machinery used to validate Bitcoin transactions. In a Commentary publishing March 14 in the journal Joule, he also highlights the vast quantities of electronic waste produced by the Bitcoin network and calls for alternative strategies to curb the cryptocurrency's environmental impact.
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