Week in Ethereum News
March 12, 2022

Eth News and Links

Mainnet execution layer

  • Execution Layer PoW switch off named Paris, site of first major community organized conference
  • Nethermind’s full pruning, run a pruned node with ~100Gb of storage
  • Verkle tree single client testnet demo video

Proof of Stake consensus layer

  • PoS implementers call video [first 15 mins]. Notes from Ben Edgington
  • Latest What’s New in Eth2
  • Kelvin open sources unedited Eth2 Book
  • Nimbus v22.3.0: run as a Windows service, config file for command line options and lower CPU, bandwidth & memory usage
  • Lodestar v0.34.1: make block proposing flow resilient to errors
  • Lighthouse task list before PoW can be switched off
  • Prysm quality approach: static analysis checks, unit & fuzz tests, common spec tests and code review; recommends trying a minority client for Kiln
  • Wagyu Key Gen v1.2.0: supports generating keys for Kiln & Kintsugi testnets
  • Paper on PoS fork choice attacks results in spec patch for an edge case in an equivocation balancing attack; protocol not vulnerable to avalanche attack

PoW switch off

  • Kiln testnet launched, transitions to PoS next week.
  • Kiln v2.1 spec: optimistically import any post-merge block, add QoS for transition config endpoint and clarifications of Engine API spec
  • Validator withdrawals meta-spec proposal using a push architecture
  • merge-devnet-5 transitioned & switched off PoW, no issues found testing with zombie miners


  • EIP4881: Deposit Contract Snapshot Interface
  • EIP4885: Subscription Token Standard for NFTs and Multi Tokens
  • EIP4886: Proxy Ownership Register
  • EIP4895: Beacon chain push withdrawals as operations 


This newsletter is made possible thanks to Starbloom Ventures!

Starbloom Ventures

Starbloom Ventures is an early-stage venture fund founded by Evan Van Ness to invest in the future of web3. 

Our first publicly announced investment is Karma, which is building an on-chain reputation system for web3 participants.  Check out the reputation leaderboards for ENS and Gitcoin delegates. 

Stuff for developers

  • Hardhat for VS Code extension: Solidity code completion, code navigation, formatting and quick fix suggestions; public beta
  • ethers.js update & v5.6.0: adds CCIP Read for ENS resolvers, ENS wildcard and Cloudflare Worker support
  • WalletConnect v1.7.4: fix event listener registration
  • Multicall3: aggregate results of multiple constant function calls
  • PRBProxy v2.0.0 (multiple calls in one transaction): improved gas efficiency
  • Chainalysis oracle for sanctions screening in Solidity and JavaScript
  • Solwaifu: bytecode ERC20 for minimal gas use, unaudited
  • Ethsig-rs: Cloudflare worker enables Sign In With Ethereum for services
  • Run a local version of StarkNet Voyager block explorer
  • web3-starknet-react: inspired by web3-react
  • Damn Vulnerable DeFi (CTF) Foundry version
  • evm-puzzles: interactive version, improved bytecode display and evm.codes playground links
  • EVM golf challenges by the Ethernaut
  • NFT randomness: algorithms & techniques for less predictable minting
  • Contract memory explainer
  • DevPill.me: blockchain development guide




Application layer

Job Listings

Reach developers experienced with Ethereum.  $600 for four issues (~75 character limit), payable in ETH/DAI/USDC to abcoathup.eth on mainnet, Arbitrum or Optimism.  Questions? abcoathup at-gmail



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

Permalink for this week’s issue: https://weekinethereumnews.com/week-in-ethereum-news-march-12-2022

Dates of Note

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