The historic upgrade casts aside the miners who had previously driven the blockchain, with promises of massive environmental benefits.
www.coindesk.com
The payoff is potentially gigantic. Ethereum should now consume 99.9% or so less energy. From an energy costs perspective, it's like Finland suddenly shut off its power grid, according to one estimate.
Ethereum’s developers say the upgrade will make the network – which houses a $60 billion ecosystem of cryptocurrency exchanges, lending companies, non-fungible token (NFT) marketplaces and other apps – more secure and scalable,