Crypto mining | Explainer: Why is Ethereum quitting its “Miners”?

Crypto mining | Explainer: Why is Ethereum quitting its “Miners”?

The cryptocurrency Ethereum has the potential to significantly lower its energy use and subsequent climatic effects with a significant software update.

The AP: SAN FRANCISCO The cryptocurrency Ethereum can significantly cut its energy consumption and the ensuing climate-related emissions with a difficult software upgrade. However, “the merge” as a transition won’t be sufficient on its own.

After bitcoin, Ethereum is the second most valuable cryptocurrency in the world. With the update that went into effect late on Wednesday, this energy-intensive process of “mining” new currencies on its blockchain has been completely done away with. Massive energy consumption and, in many cases, higher greenhouse gas emissions at older power plants are caused by mining’s high computing power requirements.

However, even though it is anticipated to significantly lessen the estimated environmental impact of crypto, the Ethereum adjustment won’t completely eradicate it. The proponents of bitcoin have not yet demonstrated much interest in eliminating mining.

The Ethereum tweak won’t eliminate crypto’s estimated environmental effect, but it is expected to drastically reduce it. Bitcoin supporters have not yet shown a lot of interest in doing away with mining.

They function on systems known as blockchains, which are collections of records of digitally signed transactions that show each time a cryptocurrency is transferred or spent. Due to the synchronized copies that are kept on computers all over the world, which also make it incredibly impossible to change, add, or remove blockchain entries, blockchains are sometimes referred to as distributed ledgers.


The massive amount of energy that cryptocurrency uses alarms researchers who have studied it. According to studies referenced in a recent report by the White House Office of Science and Technology Policy, as of August 2022, the yearly electricity usage for cryptocurrencies was greater than that of individual countries like Argentina or Australia.

But this issue isn’t unique to cryptocurrencies. The majority of that energy is required for mining, which is a computationally demanding procedure for authenticating blockchain transactions and distributing fresh coins as compensation to rival miners. The mining of cryptocurrencies is favored by well-funded organizations that can assemble numerous specialized computers and provide them with electricity as cheaply as possible.

That might result in unanticipated external impacts. To the dismay of gamers, demand for computer graphics cards skyrocketed before the collapse in cryptocurrency values earlier this year, driving up prices and evaporating shop shelves. These GPUs proved to be perfect for cryptocurrency mining rigs. Additionally, U.S. cities and states have opposed cryptocurrency companies’ ambitions to erect mining operations within their borders, citing concerns about noise in addition to power consumption.


The software upgrade primarily makes miners unnecessary. Ethereum now requires parties who want to assist in the validation of transactions to put some skin in the game by “staking” a certain amount of ether, the Ethereum coin, as opposed to the previous model where miners competed against one another to solve challenging cryptographic puzzles and earn new coin as rewards.

A wider set of ether holders will then verify their work once parties from this pool are randomly selected to validate a block of transactions. A payment in ether is given to successful validators, and it is typically inversely correlated to the quantity of their stake and the amount of time they have held it.


Although the Ethereum merging may not seem like much, it might have significant consequences. According to calculations made by economist and creator of the Digiconomist consultancy, Alex de Vries, the change will save Ethereum between 99% and 99.99% of its current energy use. (De Vries underlines that no peers have yet reviewed his work.)

He claimed that a relatively minor alteration to the code would have a significant effect on environmental sustainability. Ethereum was doing up to 900 billion calculations per second before the integration, however, these calculations are no longer required.

He calculated that the annual carbon dioxide emissions caused by Ethereum were around 44 million metric tonnes. If he’s right, these will now be greatly diminished.

However, compared to Ethereum, bitcoin uses substantially more energy and emits more greenhouse gases, and there doesn’t seem to be much interest in abandoning bitcoin mining.

According to Lena Klaassen, co-founder of the German company Crypto Carbon Ratings Institute, which specializes in calculating the environmental effects of cryptocurrencies, the Ethereum merger was long anticipated and required years of planning by its developer teams. She claimed that because Bitcoin has never had such aspirations, “I don’t expect that Bitcoin will move” away from mining anytime soon.

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