Dirty Secrets of Cryptocurrencies: Energy Consumption
While skeptics may describe cryptocurrency as “fake money,” “worse than tulip bulbs,” or outright fraud, it’s a very real business.this market value Of the nearly 19,000 cryptocurrencies in circulation, it currently hovers around $1.75 trillion — roughly the same as the gross domestic product of Italy, the world’s eighth-largest economy. While you may not be able to buy a loaf of bread with bitcoin at a corner store, many investors are putting a lot of fiat money into cryptocurrencies.
But cryptocurrency has a dirty little secret that is tied to the real world: it use a lot of Energy. How much energy? Bitcoin, the largest cryptocurrency in the world, Currently consumes about 150 TWh Annual electricity consumption – more than the entire population of 45 million in Argentina.Generating this energy releases some 65 MtCO2 Entering the atmosphere every year – comparable to Greece’s emissions – makes crypto a significant contributor to global air pollution and climate change.
Cryptocurrency’s appetite for energy is growing as mining companies race to build larger facilities to profit from the gold rush of the 21st century.
“Bitcoin mining is an arms race between time, the number of miners and the efficiency of the machines they use,” said Bitcoin’s Joshua D. Rhodes Global Energy Policy Center. “When it comes to Bitcoin’s energy use, it’s currently a ‘wildcat’ market. The Texas grid operator ERCOT estimates that by mid-2023, crypto miners’ energy needs could increase by as much as 6 gigawatts, roughly equivalent to To add a Houston to the grid.”
As Bitcoin mining comes under increasing fire for its growing energy use, the phenomenon may be approaching a tipping point where, in order to prove it is a real game changer, the cryptocurrency needs to get clean and Go green.
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Bitcoin enthusiasts or miners earn coins by using computers to solve puzzles in the decentralized database that underpins it, blockchainIn the early days of Bitcoin, about a decade ago, miners could use home computers to mint new coins worth a few dollars, at least on a screen. As the market grows over time, the puzzles miners have to solve in order to earn new coins become increasingly complex, requiring increased computing power and, in turn, energy.
Today, Bitcoin mining is a highly competitive industry with vast climate-controlled facilities housing tens of thousands of high-tech computers running 24/7. Despite the volatility, the value of a single bitcoin has hovered around $40,000 this year.
USD value (area) and volume (bottom bar) of a single bitcoin from January 1, 2016 to May 2, 2022. source: Yahoo!finance [view large]
As with any growing industry, cryptocurrency mining companies seek to simplify operations and maximize profits as they scale. Finding cheap, abundant energy is a key part of this strategy and a determining factor in where mining companies choose to set up shop. Until recently, about 75% of bitcoin mining took place in China, which provided cheap electricity and hardware. However, the Chinese government abruptly stopped using decentralized digital currencies in 2021 due to concerns about fraud, economic instability and meeting climate goals. Mining companies are scrambling to find suitable locations with looser policies. Today, the largest share of Bitcoin mining occurs in the United States, where 35% of Bitcoin’s hash rate — the total computing power used to mine and process transactions — is now located in the United States.
Foundry USA Bitcoin Hash Rate Percentage Chart by U.S. State, March 2022. [view large]
Unfortunately, China’s crackdown on digital currencies seems to have made crypto mining even dirtier. Some Chinese mining companies use cheap and abundant hydropower, a form of renewable energy, to reduce carbon emissions during the rainy season. But following the Chinese crackdown, the share of natural gas used in Bitcoin’s power mix doubled to 31%.Kazakhstan, now the world’s second-largest bitcoin hub, begins 50% of energy comes from high-emission coal-fired power plants.
Perhaps more worryingly, some companies in the U.S. are now bringing decommissioned power plants back online in order to profit from cryptocurrencies. Greenidge Generation, a natural gas-powered bitcoin mining plant in upstate New York’s picturesque Finger Lakes region, is a controversial example of this trend. Local groups point out that the plant not only pollutes the air but also damages the ecosystem of Lake Seneca by draining up to 135 gallons of hot water a day into New York’s deepest glacial lake. More broadly, there are concerns that the plant could become a canary in the crypto mines of New York State and the nation.
Digital Dollars and Feelings
Like other disruptive new technologies, cryptocurrencies caught governments off guard and uncertain how to regulate the explosive new market.Although Plattsburgh, New York has become First US city to temporarily ban cryptocurrency mining In 2018, there is currently no federal legislation specifically targeting cryptocurrency mining.However, despite opposition from the crypto industry, the New York State Legislature passed a bill last week to impose a two-year moratorium on energy-intensive businesses proof of work Mining facilities that receive cryptocurrencies behind the meter Electricity from fossil fuel power plants.
“Such a moratorium is important because it will allow New York time to assess the environmental risks to the state’s expanding cryptocurrency mining industry, including the industry’s commitment to meeting the state’s Climate Leadership and Community Protection Act greenhouse gas reduction goals. capacity and develop appropriate regulations in response,” Jacob Bryce Elkin said.Elgin is Sabine Center for Climate Change Law who created Paper March topic.
The corresponding bill is currently awaiting approval by the state Senate. However, the fate of the existing Greenidge plant remains unclear.
Greenwich Power Plant.Photo: Brian Kahn
Greenidge Generation’s air quality permit expired last September, but the New York Department of Environmental Protection twice delayed a decision to renew it. During this time, Greenidge raced to install thousands of new computers and dramatically increase its power generation capacity. Although it prohibits expansion, if passed in its current form, the state’s moratorium would not apply to existing mining facilities.However, critics of the Greenidge plant, including DEC Commissioner Basil Seggos, point out that it conflicts with the New York landmark Climate Leadership and Community Protection Act, which calls for a 40% reduction in economy-wide greenhouse gas emissions by 2030.It is estimated that crypto mining may account for 7% of all carbon emissions in New York State by the end of the century.
The deadline for a decision on Greenidge’s license is now set for June 30 — two days after the statewide primary. Meanwhile, Greenidge’s mining operations and expansion continued.
The Future of Cryptocurrencies: Can Gold Go Green?
Proponents of digital currencies and blockchain point out that they are innovative technologies and that we are only just beginning to explore their potential.
“There are certain inefficiencies in our financial services industry that can be mitigated using blockchain technology, allowing us to address important issues such as fairness, access and cost,” said RA Farrokhnia, executive director of Columbia University. Advanced Projects and Applied Research in FinTech. “With the right safeguards, oversight and responsible deployment of innovation, we can combine advances in fintech and blockchain with increasingly sophisticated data analysis tools, especially machine learning and artificial intelligence, to be more efficient , create and deliver robust products and solutions intelligently, ethically and inclusively.”
figurative: Freepik.com
Still, for skeptics, such a promise might not be enough — especially when it’s priced so high. But cryptocurrencies may have another opportunity to prove their worth outside financial portfolios: to be a leader in the transition to sustainable energy.
“Some my research It has been shown that if mines are willing to be flexible, they can pair well with renewables by quickly adjusting their energy use to current grid conditions,” Rhodes said. “However, they won’t. It is very important that crypto mining supports the development of renewable (or other zero carbon) energy sources, otherwise it will be another industry that contributes to the climate crisis. “
Like other industries, if the cryptocurrency space tries to go green, it will face many challenges, such as acknowledging its impact on the environment, integrating truly sustainable practices (such as Proof of Stake consensus mechanism) into its operations, ultimately avoiding the pursuit of profit at all costs.
If the crypto community is willing to rise to these challenges, it may prove itself truly transformative by leveraging finance and technology to facilitate the transition to sustainable energy. If not, the skeptics may be right: When the Bitcoin bubble finally bursts, it may not only drive investors out of their homes, but the planet itself.
