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Bitcoin is Fueling Climate Change – A Software Change Could Clean it Up | Greenpeace USA

Bitcoin uses an outdated technology called proof-of-work to validate transactions. This proof-of-work method, at least as it currently operates, uses massive amounts of energy, and is a huge source of climate pollution. As Bitcoin’s price surges, so, too does its energy use. We know a basic software code change would reduce Bitcoin’s energy use by 99.9%. If only 50 people — the key miners, exchanges, and core developers who build and contribute to Bitcoin’s code — agreed to reinvent proof-of-work mining or move to a low-energy protocol, Bitcoin would stop polluting the planet.

So why isn’t Bitcoin changing its code? Learn more:



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