Bitcoin is a power-hungry cryptocurrency that is increasingly used as an investment and payment system. Here we show that projected Bitcoin usage, should it follow the rate of adoption of other broadly adopted technologies, could alone produce enough CO2 emissions to push warming above 2 °C within less than three decades.
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The authors declare that all data supporting the findings of this study are available within the article, its Supplementary Information files and at https://github.com/moracamilo/Bitcoin/.
Raw code used for this study are publicly available online at https://github.com/moracamilo/Bitcoin/.
Raupach, M. R. et al. Proc. Natl Acad. Sci. USA 104, 10288–10293 (2007).
Kemp, L. Palgrave Commun. 3, 9 (2017).
Cuthbertson, A. Bitcoin now accepted by 100,000 merchants worldwide. International Business Times (4 February 2015); https://go.nature.com/2CcKFXs
De Vries, A. Joule 2, 801–805 (2018).
Bitcoin Energy Consumption Index (Digiconomist, 2017); https://digiconomist.net/bitcoin-energy-consumption
Foteinis, S. Nature 554, 169 (2018).
Global Payment Systems Survey 2016 (World Bank, 2016).
Bass, F. M. Manag. Sci. 50, 1833–1840 (2004).
NOAA-CIRES 20th Century Reanalysis V2c (NOAA, accessed 28 February 2018); https://go.nature.com/2CDGaXg
Global Carbon Budget (Global Carbon Project, accessed 28 February 2018); http://www.globalcarbonproject.org/carbonbudget/17/data.htm
Meinshausen, M. et al. Climatic Change 109, 213–241 (2011).
O'Dwyer, K. J. & Malone, D. Bitcoin mining and its energy footprint. In 25th IET Irish Signals & Systems Conference 2014 and 2014 China-Ireland International Conference on Information and Communities Technologies http://doi.org/cvqm (IEEEE, 2014).
Technology Adoption by Households in the United States (Our Word in Data, accessed 28 February 2018); https://go.nature.com/2NCnUyj
Consumer Credit and Payment Statistics (Federal Reserve Bank of Philadelphia, accessed 28 February 2018); https://www.philadelphiafed.org/consumer-finance-institute/statistics
The authors wish to thank the numerous data providers named in the supplements of this paper for making their data freely available. We also thank SeaGrant Hawaii for providing funds to acquire the computers used in these analyses. This paper was developed as part of the graduate course on ‘Methods for Large-Scale Analyses’ in the Department of Geography and Environment at the University of Hawai’i at Mānoa.
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Mora, C., Rollins, R.L., Taladay, K. et al. Bitcoin emissions alone could push global warming above 2°C. Nature Clim Change 8, 931–933 (2018). https://doi.org/10.1038/s41558-018-0321-8
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