Week in Ethereum News
May 16, 2021

Eth News and Links

Mainnet execution layer

  • Latest core devs call. Notes from Tim Beiko
    • London EIPs: EIP1559: Fee market change, EIP3198: BASEFEE opcode, EIP3554: Difficulty Bomb Delay to December, EIP3529: Reduction in gas refunds, EIP3541: Reject new contracts starting with 0xEF
    • JSON RPC to use same naming as EIP1559
    • Baikal – London devnet for devs to experiment with London until the testnet fork dates
    • London blocks/dates: Ropsten: 10399301 (June 9), Goerli: 4979794 (June 16), Rinkeby: 8813188 (June 23), mainnet aim is July 14
  • Block access list
  • Core dev apprenticeship program, an effort by Piper Merriam to find and train more core devs


  • EIP3554: Difficulty Bomb Delay to December 1st 2021
  • ERC3569: Sealed NFT Metadata
  • ERC3561: Trust Minimized Upgradeability Proxy

Proof of stake consensus layer

  • Huge milestone on the way to turning off PoW: Nocturne testnet successfully launched with 12 combinations of consensus and mainnet clients. It’s processing transactions and reaching finality.
  • Latest merge implementers call; Nocturne is last merge devnet until post London/Altair
  • Lighthouse v1.4.0 planned for mid-June: 80% Eth1 call reduction, uses 50% less RAM, Altair support, Doppelganger slashing protection, remote signer and beta Windows support


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Stuff for developers

  • web3.js v1.3.6 security patch for underscore and bumps versions of ENS and Ethers
  • UMA’s Optimistic Oracle via dispute resolution process. Out of beta; no need to use UMA’s financial contracts
  • Gnosis Safe L2/sidechain rollout plan so you can secure DAO treasuries and privileged smart contract functions such as upgrades on L2/sidechains
  • Alchemy Transfer API to access historical Eth, ERC20 and ERC721 transfers in single call




Application layer



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Dates of Note

Upcoming dates of note (new/changes in bold):

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