The Ethereum 2.0 Altair Beacon Chain update has gotten off to a successful start, with 98.7% of nodes already upgraded.
On Oct. 27, Ethereum 2.0 developer Preston Vanloon tweeted that the Altair upgrade had been “activated successfully.”
Altair is the first upgrade to the Beacon Chain since it went online in December 2020 and is likely the last before the merge with the Ethereum mainnet and the change to proof-of-stake.
The upgrade brings light-client support to the core consensus, cleans up beacon state incentive accounting, fixes some issues with validator incentives, and steps up the punitive params (penalties for offline validators) as per EIP-2982.
Paul Hauner is the Lead developer and reviewer of the Altair code in Lighthouse, an
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