October 22, 2021, 3:11PM EDT
• 11 min read

The Environmental Debate of Crypto: Part 2

Quick Take

  • Ethereum, the second-largest crypto by market capitalization, currently uses a Proof-of-Work consensus mechanism similar to Bitcoin
  • This means that the same concerns raised previously about Bitcoin mining are also relatively applicable to Ethereum mining, albeit to a lesser extent
  • Ethereum is migrating to a Proof-of-Stake consensus model which is supposed to use 99.95% less energy than the current Proof-of-Work model
  • There are many other protocols with different consensus models that are significantly more energy-efficient than Bitcoin and Ethereum today, though they have other trade-offs
  • Crypto and blockchain can possibly lead the way to a sustainable development of technology

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