On September 15, 2022, the Ethereum mainnet switched to Proof of Stake consensus, enhancing the performance and making the cryptocurrency more sustainable and eco-friendly. On his Twitter handle, Ethereum founder Vitalik Buterin thanked the community and said that the Merge upgrade uses 99.95% less energy than before, reducing worldwide electricity consumption by 0.2%. https://twitter.com/VitalikButerin/status/1570306185391378434 What …