Week in Ethereum News

Eth News and Links

Dencun (Cancun + Deneb) upgrade

• Latest consensus layer devs call video. Notes from Christine Kim:
  • Discussions on CL max blobs per block and EL using SSZ or RLP to encode blob transactions
• EIP4844:
  • EIP4844 readiness checklist
  • Latest EIP4844 implementer call video. Notes from Terence
  • Blob transaction encoding options: EIP6493, EL specific SSZ or RLP based
• KZG ceremony has over 95,000 contributions, you can contribute with GitHub and/or an account that has made 32 mainnet transactions, the lobby is regularly empty
• Tim Beiko’s Core Devs update: summary of included & candidate EIPs for Dencun

Layer 1

• EF bug bounty program: execution layer & consensus layer disclosed vulnerabilities
• Verkle implementers call notes: Beverly Hills testnet shuts down May 12
• Proposal for warm/cold account balances, CALL with value has 6700 gas stipend
• Ben Edgington’s Upgrading Ethereum book Capella update

Client releases

• Consensus layer:
  • Lodestar v1.8.0: Obol distributed validator support and gossip queue enhancements
• Execution layer:
  • Besu v23.4.0: improvements to database performance, logging, metrics, EVM performance and gas estimation; deprecates GoQuorum-compatible privacy modes & IBFT1.0
  • Nethermind v1.18.0: reduced memory usage, experimental reduced full pruning time, improved sync time & block processing

Research

• MEV-Boost bid cancellations considered harmful

Layer 2

• Aztec hybrid zkRollup roadmap: public & private state, not EVM compatible, UTXOs represent data, contracts written in Noir, local testnet Q3, public testnet 2024
• James Prestwich: shared sequencing for optimistic rollups

EIPs/Standards

• Discussion on EIP/ERC numbering
• EIPs:
  • EIP6963: Multi-injected provider interface (MIPI)
  • EIP6968: Contract secured revenue on an EVM based L2
  • EIP6988: Slashed validator cannot be elected as a block proposer
• ERCs:
  • ERC6956: Asset-bound NFTs
  • ERC6960: Dual-layer token
  • ERC6981: Reserved ownership accounts
  • ERC6982: Minimalistic efficient lockable tokens

Stuff for developers

• Foundry:
  • Symbolic testing of Foundry projects using Halmos, hevm, KEVM & EthBMC/Foundry
  • Forge-exec: interact using languages such as JavaScript & Rust via IPC, requires ffi
  • Add Foundry to existing project without forge init
  • Tip: use makeAddr & makeAddrAndKey cheats to create accounts from a string
• RareSkills Solidity tutorial for web2 devs, using Remix & Foundry
• Multi-contract reentrancy locks using a global contract with multiple lock levels, unaudited
• Secureum RACE #17: 8 question Solidity quiz & answers
• OpenZeppelin Ethernaut: Switch level solution
• Artemis: MEV bot framework in Rust, includes strategy for Seaport & Sudoswap NFT arbitrage
• Guide to searching on Flashbots MEV-Share

Security

• DEI stablecoin on Arbitrum exploit, simple implementation error
• yAcademy: common DeFi forked protocol bugs

Ecosystem

• Median gas returned to May 2022 level driven by meme coins
• Ethereum.org writers cohort starts May 11
  

Enterprise

• Stripe onramp via embeddable widget or no code link for ETH & USDC on mainnet, US only
• Sotheby’s Metaverse secondary NFT marketplace on mainnet, supports creator royalties

Notable at app layer

• Curve USD stablecoin deployed; redeployed after missing fees & high gas usage
• Dump Services: sell multiple tokens in a single transaction using CoW protocol
• Blend: Blur NFT perpetual lending with no oracles & no expiries, borrow or buy now pay later
• Zapper onchain activity feed
• Umbra adds LUSD and RAI for stealth payments

---

Job Listings

• Mimic seek a blockchain engineer
• Solidity team need a highly skilled Developer Advocate
• Snr React Native UI Dev at Status: All jobs

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

---

Regulation/business/tokens

• Biden proposal for crypto mining tax equal to 30% of electricity costs
• Poloniex $7.6 million settlement with OFAC
• Coinbase International Exchange: perpetual futures exchange launched in Bermuda for non-US institutional users

General/crypto

• AT&T email accounts hacked to steal users crypto
• ZKML: convert TensorFlow Keras models into zk-compatible versions, proof of concept
• Plonk explainer
• Make sure to update to latest iOS and MacOS updates 

---

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-may-6-2023

---

Upcoming Dates of Note

(new/changes in bold)

• May 7 – Zuzalu CryptoXai.wtf (livestream)
• May 9 – Gitcoin Grants Beta Round ends (support Week in Eth News)
• May 9-12 – EY blockchain summit
• May 11-14 – Pragma Lisbon & ETHGlobal Lisbon hackathon
• May 19-23 – EDCON Montenegro (changed from Vienna)
• May 20-21 – ETHDam (Amsterdam) conference & hackathon
• May 24-26 – Spaghett ETH (Naples) conference
• May 26-28 – ETHDublin hackathon
• Jun 2-4 – ETH Seoul
• Jun 2-7 – ETH Belgrade conference & hackathon
• Jun 9-11 – ETHPrague conference & hackathon
• Jun 23–25 – ETHGlobal Waterloo (changed from Toronto)
• Jul 5-7 – ETHBarcelona
• Jul 17-20 – EthCC (Paris)
• Jul 21–23 – ETHGlobal Paris
• Aug 13-16 – ETHToronto & ETHWomen
• Aug 16-19 – Ethereum Argentina (Buenos Aires)
• Aug 28-30 – Science of Blockchain Conference (Stanford University)
• Aug 30 – Sep 3 – ETHWarsaw conference & hackathon
• Sep 1-3 – Ethcon Korea hackathon
• Sep 10-12 – Ethereum Singapore hackathon & conference
• Sep 11-13 – DappCon (Berlin)
• Sep 15 – Protocol Berg (Berlin)
• Sep 18-21 – ETH Montréal hackathon & conference
• Sep 22–24 – ETHGlobal New York
• Oct 5-6 – ETHMilan conference
• Oct 6–27 – ETHOnline (ETHGlobal) virtual
• Oct 27–29 – ETH Miami festival + hackathon
• Oct 28–30 – ETH Lisbon hackathon
• Nov 3-5 – ETHBrno
• Nov 13-19 – Devconnect (Istanbul)
• Nov 17-19 – ETHGlobal Istanbul

Sign up to receive this newsletter weekly