Week in Ethereum News
June 24, 2023

Eth News and Links

Dencun (Cancun + Deneb) upgrade

  • Latest all core devs – execution (ACDE) call video. Summary by Tim Beiko.  Notes from Tim Beiko and Christine Kim:
    • Overview of execution spec tests, Python suite of state & blockchain tests
    • Dencun upgrade discussions: EIP4844 precompile address moved to 0xA, EIP4788 storage size bounded, EIP5656 (MCOPY) tests added and Engine API spec changes
    • EIP4844 devnet 6 had issues, restart as devnet 7 once stable client releases & pass hive tests
    • EIP repo to split out app layer ERCs
  • Consensus specs v1.4.0-beta.0: Deneb feature complete, stable unless issues found
  • EIP4844:

Layer 1

  • Reth v0.1.0-alpha: execution layer client in Rust, syncs archive node in 50 hours with 2TB database using NVMe SSD, also SDK for building EVM infrastructure, Apache/MIT license
  • EthereumJS v6 (final release before v7): updates ethereum-cryptography, adds allowUnlimitedInitcodeSize option and removes non-finalized state code (EIP4844)
  • Verkle tries info website

Client releases

  • Consensus layer:
    • Lodestar v1.9.0: fix reduced slashing DB size by 97%, slashing protection export format compatible with other clients and flag to disable peer scoring for testing
    • Nimbus v23.6.0: history prune enabled by default, processes untimely attestations without expensive state replays and use Keymanager API for voluntary exits
  • Execution layer:
    • Erigon v2.47.0: fix for v2.45.0, no resync required

For Stakers


Layer 2

  • Zora Network for NFTs, optimistic rollup built on OP stack, live
  • Arbitrum Orbit chains (layer 3): guide to launch a devnet
  • L2Beat Stages: rollup maturity framework from stage 0 (run by the operators) to stage 2 (fully managed by contracts)
  • Shared validity sequencing proposal to enable cross-rollup interoperability
  • Vitalik: L2 to L1 & cross-L2 reading to implement cross-chain social recovery wallets with a keystore in one location & wallets in many locations


  • EIPs:
    • Meta EIP7199: Linter scope 
    • EIP7212: Precompile for secp256r1 curve support
  • ERCs (app layer):
    • ERC838: ABI specification for REVERT reason string
    • ERC7196: Simple token
    • ERC7201: Namespaced storage layout 
    • ERC7202: Offchain checks (for low cost ERC1155 distribution)
    • ERC7204: Contract wallet management asset
    • ERC7208: MetaNFT keystore contracts 

Stuff for developers



  • Etherscan code reader, answers questions about a specific contract address, OpenAI API key required, beta


Notable at app layer

Job Listings

Job listings: $600 for four issues (75 character limit), payable to abcoathup.eth.  Questions? abcoathup at-gmail



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