Ethereum developers launch the so-called mainnet shadow fork, a key stress test ahead of the proof-of-stake Merge upgrade, expected to reduce energy use by ~99% (Olga Kharif/Bloomberg)

Ethereum developers launch the so-called mainnet shadow fork, a key stress test ahead of the proof-of-stake Merge upgrade, expected to reduce energy use by ~99% (Olga Kharif/Bloomberg)

Olga Kharif / Bloomberg:
Ethereum developers launch the so-called mainnet shadow fork, a key stress test ahead of the proof-of-stake Merge upgrade, expected to reduce energy use by ~99%  —  Ethereum’s network is inching closer toward its much-anticipated software upgrade known as the Merge, having just entered a key testing step.