Week in Ethereum News
June 17, 2023

Eth News and Links

Dencun (Cancun + Deneb) upgrade

  • Latest all core devs – consensus (ACDC) call video. Notes from Christine Kim:
    • Deneb scope: EIP7044 (perpetually valid signed voluntary exits) & EIP4788 (beacon root in EVM); considered for inclusion: EIP7045 (increase max attestation inclusion slot) & EIP6988 (prevent slashed validator being elected block proposer)
    • Discussion on reorgs increasing and proposal to change sub-slot timing for block production, attestation & aggregation
    • Discussion on staking with more than 32 ETH per validator
  • EIP4844:
  • Consensus-specs v1.4.0-alpha.3: patch to increase BLOB_SIDECAR_SUBNET_COUNT to 6

Layer 1

Client releases

For Stakers


Layer 2


  • ERCs:

Stuff for developers

  • Foundry:
    • Pre-v1 updates: fuzz-runs CLI flag, 0 basefee, batch transactions on Optimism and readCallers cheatcode
    • Fuzzy DeFi: code properties for Uniswap v2, Olympus DAO & Compound v2 forks
    • Forge-safe: build Safe multisig batch transactions using Forge scripting
  • OpenZeppelin Contracts v4.9.2: MerkleProof library patch, potential issue in multiproof leaf validation
  • Uniswap v4: customize liquidity pools using hooks, flash accounting using ERC1153 (transient storage) in Dencun upgrade, work in progress, 4 year business source license
    • V4-template: template for creating Uniswap v4 hooks
    • Huff hooks: Uniswap v4 hooks library in Huff, work in progress
  • Bytecode.zip: deploy zipped & wrapper contracts from the browser
  • Titanoboa (Vyper interpreter) jupyter notebooks integration: sign via browser
  • Ethers.js ENS multicoin provider plugin 
  • ABIType: adds conversion from JSON ABIs to human-readable ABIs at runtime & type-level
  • RainbowKit v1.0.2: adds WalletConnect v2 support
  • 4byte collider: script to find function signatures with colliding 4byte selectors 
  • Wallet Test Framework: switched to viem and added more tests
  • Passkey based Account Abstraction signer for contract wallets




  • BOCI (Bank of China) issued CNH 200 million ($28M) in tokenized notes

Notable at app layer

Job Listings

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



Follow @WeekinEthNews to find out what the most clicked links are. Follow @abcoathup and @evan_van_ness to get most of the week’s news in real time.

Permalink for this week’s issue: https://weekinethereumnews.com/week-in-ethereum-news-june-17-2023

Upcoming Dates of Note

(new/changes in bold)

Sign up to receive this newsletter weekly