Bitcoin has an energy problem. The cryptocurrency and the blockchain it runs on, have long been heralded as shining examples of the future of transactions, replacing people with an array of number-crunching computers. But the considerable energy impact of this approach is starting to become clear just as the blockchain and cryptocurrencies are exploding into the mainstream.
That realisation has spawned a host of strange workarounds, from heaters that warm your home with the blockchain to renewable mining. Now, the creator of one of the world’s biggest cryptocurrency networks has announced a major change to address the problem.
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