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Will Bitcoin's energy consumption double again?

Over the last year the popularity of Bitcoin, and various other cryptocurrencies, rose dramatically. One factor that is sometimes overlooked, though, is the huge energy consumption that bitcoin mining - according to its current algorithmic structure - necessarily entails.

Digiconomist has done a good job tracking the approximate energy consumption of the Bitcoin blockchain. As of the writing of this question the annualized rate of energy consumption of Bitcoin is nearly 50 TWh/yr and a single bitcoin transaction requires an amount of energy that could power an average American home for over 3 weeks and emits over a third of a ton of CO2.

Digiconomist also projects further increases in energy consumption, which would have energy consumption doubling before 2019.

It is asked:Will Digiconomist's estimate of Bitcoin's energy consumption reach 100 TWh/yr prior to 2019?

This question resolves positive if the value reported by Digiconomist for 'Bitcoin's current estimated annual electricity consumption' is reported as over 100 TWh/yr for at least one day prior to January 1st 2019. There are daily updates, so this one should be quite easy to check.

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