According to Ethereum‘s latest weekly progress report, the mainnet merger preparation checklist has been completed and officially released on GitHub. The checklist document outlines the preparations for the Ethereum mainnet merger release and various tasks that must be completed.
It mainly includes specifications (consensus layer, execution layer, engine API and public-facing files), tests (unit testing, integration testing, stress testing and fuzzing testing), testnet and R&D work, which also includes potential threat analysis, such as Miner attacks and post-merger resource exhaustion issues.
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