Week in Ethereum News
February 18, 2023

Eth News and Links

Shapella (Shanghai + Capella) upgrade

  • Latest all core devs – execution (ACDE) call video. Notes from Tim Beiko & Christine Kim:
    • Empty block handling bug found on Zhejiang testnet, since patched by Geth, doesn’t impact Sepolia testnet upgrade timeline
    • withdrawal-devnet-7: upgraded to Shapella with 600k validators and 360k BLS changes, only stopped finalizing for 1 epoch in a harsher setup than mainnet
    • withdrawal-mainnet-shadowfork-2 to test MEV-Boost
    • 0 blob EIP4844 transactions banned for now
    • Discussions on SSZ in block header, CL minimal presets (test configs), standardizing transaction pool API and approach to deprecate SELFDESTRUCT
  • builder-specs v0.3.0: add Capella support

Dencun (Cancun + Deneb) upgrade

  • KZG Ceremony:
    • 47,000+ contributors, 4000+ in the lobby, 23 days left in first general contribution period
    • Coinbase adds call to action to their products
  • Latest EIP4844 implementers call video. Notes from Terence: blobs to be decoupled from blocks
  • SSZ breakout video call: discussion on Union vs normalized transaction representation, plan to prototype in next 2 weeks to decide approach to take

Layer 1

  • Visualization of MEV-boost block flow from builder to validator via relayer
  • Flashbots: design for MEV-Share, users send transactions to a matchmaker to match with searchers who pay users for using their transactions 

Client releases

  • Consensus layer:
    • Lodestar v1.4.3: Zhejiang testnet support, fix for dropping peers
    • Prysm v3.2.1: Capella upgrade for Sepolia testnet
    • Teku v23.2.0: early access to doppelganger detection and Capella upgrade for Sepolia testnet
  • Execution layer:
    • Besu v23.1.0: move to Java 17 LTS, performance improvements & Bonsai robustness
    • Geth v1.11.0: Shanghai upgrade support, added Pebble database as LevelDB replacement (requires resync), removed puppeth & mobile development libraries and deprecated personal RPC namespace; v1.11.1: patch for empty block processing in Shanghai upgrade
    • Nethermind v1.17.0: Shanghai upgrade for Sepolia testnet & performance improvements


For Stakers

Layer 2


  • ERCs:
    • ERC6498: Document signing for contracts
    • ERC6506: P2P escrowed governance incentives

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Stuff for developers




Application layer

  • NFT marketplaces:
  • Overtime (sports markets) expands to Arbitrum
  • UMA oSnap: DAOs can execute off-chain Snapshot voting using UMA’s optimistic oracle
  • RabbitHole v2 (learn to earn): users complete quests & mint tradable NFTs to claim rewards

Job Listings

Job listings: $600 for four issues (75 character limit), payable in ETH/DAI/USDC to abcoathup.eth on mainnet or Layer 2.  Questions? abcoathup at-gmail



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