Ethereum Developers Successfully Created “Shadow Fork” to Prepare for Shanghai Upgrade

The shadow fork occurred at 10:40 coordinated universal time (5:40 a.m. ET), according to Parithosh Jayathi, DevOps engineer at the Ethereum Foundation. In the hours since the fork happened, there were some glitches with Ethereum’s nodes that use Geth clients, according to Marius Van Der Wijden, a software developer at the Ethereum Foundation.

This shadow fork brings the much anticipated Shanghai upgrade closer to the Ethereum mainnet, expected in March 2023. The public testnet for Shanghai will go live in the coming days. 


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