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Bitcoin transactions could consume as much energy as Denmark by the year 2020 ?>

Bitcoin transactions could consume as much energy as Denmark by the year 2020

The numbers in this study are very back-of-the-envelope and assume a worst case: widespread adoption of Bitcoin and not much improvement in Bitcoin mining activity, along with long replacement cycles for older, less efficient mining rigs.

Blockchain isn’t the only distributed ledger system, but it is the most power-hungry one. Other systems, like Merkle trees, can handle global-scale transaction ledgers on a couple of blade servers.

The results show that in an optimistic scenario, the increase in electricity consumption of the bitcoin network compared to now is not shocking,…

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