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Bitcoin: China's crackdown isn't enough – only a global effort can stop crypto's monstrous energy demand

By Peter Howson, Senior Lecturer in International Development, Northumbria University, Newcastle
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Huge concrete data centres, permanently plugged into power plants and telephone exchanges, maintain much of online life. But the infrastructure behind internet-based cryptocurrencies such as bitcoin, dogecoin and ethereum is more like a rusty travelling circus. And right now, that circus is on the road.

Bitcoin relies on a network of millions of specialist machines, known as miners, around 70% of which are currently based in China. Like a never-ending game of Hungry Hippos,…


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