Shanghai Update Sparks Debate on the Environmental Impact of Crypto Mining

  • Sergey Maga
  • 17:24 Apr 10, 2023
Shanghai Update Sparks Debate on the Environmental Impact of Crypto Mining

The Ethereum network’s Shanghai update, which replaces proof-of-work (PoW) mining with a proof-of-stake (PoS) system, is set to take place on April 12. This significant shift in the world’s second-largest cryptocurrency has ignited a debate over the environmental impact of bitcoin mining and the sustainability of the practice.

Prior to the update, Ethereum consumed roughly two-thirds as much energy as the Bitcoin network. However, according to Alex de Vries, data scientist at De Nederlandsche Bank and creator of Digiconomist, the switch to PoS has reduced Ethereum’s energy consumption by at least 99.84 percent. This move puts pressure on the bitcoin community, with critics pointing to the cryptocurrency’s energy consumption as a major flaw. The Bitcoin network consumed 107 terawatt-hours of energy in 2022, equivalent to the energy consumption of the Netherlands.

Some Bitcoin proponents argue that the network is increasingly powered by renewable energy, and PoS is inferior to PoW, leading to centralization and concentrating wealth among the rich. They also claim that Bitcoin mining incentivizes renewable energy development by buying excess energy when demand is low, thus increasing the profitability of wind and solar farms.

Despite these arguments, critics of Bitcoin mining maintain that the environmental impact cannot be overlooked. They point out instances where mining has delayed the transition to greener alternatives and caused competition for renewable energy resources.

Ethereum’s move to PoS shows that a change in Bitcoin’s infrastructure is technically possible. However, ideological opposition among Bitcoin supporters makes such a shift challenging to achieve. With passionate arguments on both sides, a nuanced discussion about the industry’s future seems difficult, with parties entrenched in their respective positions.

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