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Living on Earth
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The Impact of Cryptocurrencies on the Environment
Crypto currencies are like promissory notes that local banks used to issue back in the early days of the United States. Instead of printing notes, crypto relies on ledgers kept on computers linked in blockchains. The process is called mining, and it requires that computers solve complicated mathematical puzzles. At any given moment the fleet of computers mining Bitcoin uses more electricity than the entire nation of Austria.
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