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Bitcoin uses more electricity than many countries. How is that possible?

By Jon Huang, Claire O’Neill and Hiroko Tabuchi
New York Times·
11 mins to read

Cryptocurrencies have emerged as one of the most captivating, yet head-scratching, investments in the world. They soar in value. They crash. They'll change the world, their fans claim, by displacing traditional currencies like the dollar, rupee or ruble. Some of them are named after dog memes.

And in the process of simply existing, cryptocurrencies like Bitcoin, one of the most popular, use astonishing amounts of electricity.

We'll explain how that works in a minute. But first, consider this: The process

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