Week in Ethereum News, May 6, 2023

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

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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

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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 

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Permalink for this week’s issue: https://weekinethereumnews.com/week-in-ethereum-news-may-6-2023

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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

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