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Paris/Bellatrix (The Merge)
LiveProof-of-Work to Proof-of-Stake.
Paris (EL) + Bellatrix (CL)Activated 2022-09-15Block 15,537,394
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About Paris/Bellatrix (The Merge)
The Merge was Ethereum's most significant upgrade, transitioning consensus from Proof-of-Work to Proof-of-Stake. This historic change reduced energy consumption by 99.95% and established validator-based security.
Core EIPs Included
3EIPs that are part of the activated upgrade on mainnet.
Upgrade consensus to Proof-of-Stake
EIP-4341
Supplant DIFFICULTY with PREVRANDAO
EIP Composition Timeline
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DFI
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