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# Alex de Vries, Bitcoin Sunstainability Researcher, Founder of Digiconomist | ||
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Bitcoin electronic waste generation is at 10.324 kilotonnes per year | ||
(comparable to a country like Luxembourg) - see bitcoinelectronicwaste.com | ||
A footprint of 91.2 grams per unique transaction | ||
(equal to the weight of 1.4 'C'-size batteries or 2 golf balls). | ||
date: 2020-12-30 | ||
source: https://twitter.com/DigiEconomist/status/1344290390296424448 | ||
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The latest Bitcoin energy consumption index is 77.782 TWh per year | ||
(comparable to a country like Chile) - see bitcoinenergyconsumption.com | ||
The energy footprint per unique transaction is 690.8 kWh (enough to power 1 U.S. household for 23.7 days) | ||
> Austrian Maximalists comments: | ||
> Bitcoin will drive a renewable energy revolution. | ||
date: 2020-12-29 | ||
source: https://twitter.com/DigiEconomist/status/1343920982990467073 | ||
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Bitcoin's TWh usage results in a carbon footprint of 36.95 MtCO2 | ||
(comparable to a country like New Zealand) - see bitcoinenergyconsumption.com | ||
The carbon footprint per unique transaction is 327.50 kgCO2 (equivalent to 725,861 VISA transactions) | ||
date: 2020-12-29 | ||
source: https://twitter.com/DigiEconomist/status/1343920982113841152 | ||
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Note that the share of fossil fuel based energy has been on the rise this year | ||
due to the growing popularity of countries like Kazakhstan. | ||
This is only expected to rise further: Reuters News - | ||
Kazakhstan in talks on $700 million in cryptocurrency mining projects | ||
date: 2020-12-16 | ||
source: https://twitter.com/DigiEconomist/status/1339200659120291841 | ||
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Fact: the majority of energy used by bitcoin miners is still sourced from fossil fuels. | ||
Here's another independent study released just this month confirming that: | ||
Bitcoin Carbon Footprint - Mining Pools Based Estimate Methodology | ||
Also note that even surveyed miners earlier this year didn't claim more than 40% "green". | ||
date: 2020-12-16 | ||
source: https://twitter.com/DigiEconomist/status/1339197079105785861 | ||
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The latest Ethereum energy consumption index is 14.014 TWh per Year/1.3 Mil US households (+0.45%) - | ||
see ethereumenergyconsumption.com | ||
33 KWh per unique transaction (powers 1 US household for 1.1 days) | ||
date: 2020-12-24 | ||
source: https://twitter.com/DigiEconomist/status/1342123482281349121 |