Week in Ethereum News, October 8, 2022 - sponsored by Nexus Mutual

#ETH #Ethereum

Eth News and Links

Execution layer

• Account abstraction via ERC4337 + EIP3074 + EIP5003 + transaction inclusion lists

• EIP4844 (proto-danksharding): arithmetic hash alternatives to KZG are possible but with a lot of tradeoffs

• Besu v22.7.5: fix for empty block proposals & RPC defect

• Erigon v2.27.0: experimental embedded consensus layer client, change to semantic versioning

• Nethermind v1.14.3: reduces missed attestations; upcoming features

• Proposal to add blockTimestamp to logs returned by eth_getLogs

• Second stage findings of gas cost estimation research using marginal execution cost

Consensus layer

• Mitigate centralization risks by constraining builder power and minimize proposer responsibilities via partial block auctions (inclusion lists or proposer suffixes)

• MEV-Boost development process discussion

• Flashbots plan towards decentralized block building

• Jon Charbonneau: Flashbots could reduce censorship by open sourcing their builder or adding a cap

• Nimbus v22.10.0: faster block production, added metrics

• ethStaker Goerli testnet validator deposit updated to only require 0.0001 GoETH

EIPs/Standards

• EIP5744: Latent fungible token

• EIP5748: Approval expiration for ERC20 tokens

• EIP5749: The 'window.evmproviders' object

• EIP5750: Extra data parameter in methods

• EIP5753: Lockable extension for ERC721

• EIP5757: Process for approving external resources

Layer 2

• Norswap compares Optimism Bedrock and Arbitrum Nitro

• Polynya: rollups can offer higher throughput than Layer 1s as rollups need fewer nodes

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Stuff for developers

• Reminder: Rinkeby & Ropsten testnets are deprecated, use Goerli & Sepolia

• Remix v0.27.0: sync HardHat/Truffle/Foundry compilation with Remixd, OpenZeppelin template customization, autocomplete import statements and code formatting

• Foundry Canary: example deploy script

• Remco exp & ln: exponential function & natural logarithm in Solidity

• 0age tip: view Yul assembly of your Solidity using compiler irOptimized setting

• Useful Solidity patterns: self contained examples with Foundry tests

• CREATE3 Factory: deploy a contract with the address based on deployer & salt

• HyVM: EVM Hypervisor in Huff, allows arbitrary bytecode execution

• samczsun’s transaction viewer; front end open sourced

• Ethereum utils: unit conversion, checksum, hex & Keccak256

• Guide to fuzzing with Echidna, attempts to break user-defined invariants

• Transpose SQL: direct SQL access to indexed blockchain data

• MEV Template: MEV bot in Rust

• Slither v0.9.0: adds arbitrary-send-erc20, arbitrary-send-erc20-permit & domain-separator-collision detectors and reduces false positives

• Noir: Aztec’s Rust-based language for creating and verifying zk proofs

• Circom-Next-Starter: zk app starter kit using Hardhat, Circom, Snarkjs & Nextjs

Security

• $566 million exploit of BSC token hub (bridge between BNB beacon chain & BSC):

  • 2 million BNB minted using forged messages verified by the bridge

  • $110 million bridged to other chains

  • BSC chain halted then upgraded to freeze accounts & disable BSC token hub transfers

• Transit Swap cross-chain DEX $28.9 million exploit, approved tokens were transferred using arbitrary external call, attacker was front run for $1 million by arb bot

Ecosystem

• Devcon manual, passport app (mobile friendly PWA) and schedule

• clr.fund LatAm quadratic funding round during Devcon

Application layer

• Maker DAO $1 million bond investment pilot; aims to invest $500 million, 80% in US Treasury & 20% in corporate bonds

• DeFi Saver Compound v3 support with automation and notifications

• Aztec integrates Euler using ERC4626 bridge

• Liquity Chicken Bonds live on mainnet, dynamic NFT represents bond

• Adrastia oracle live on mainnet, Optimism & Arbitrum; price aggregated from DEXs weighted by liquidity

• Endaoment v2 adds portfolios and composability

• Etherscan’s Blockscan chat adds end-to-end encryption (for signed in addresses), contract address sign-in, browser notifications and alpha recipes SDK

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Job Listings

• Remix: frontend React/Typescript dev

• Join Llama to help build the future of protocol DAOs: Solidity and Backend

• Ethereum Foundation seek a generalist ecosystem developer

Job listings: $600 for four issues (75 character limit), payable in ETH/DAI/USDC to abcoathup.eth on mainnet or Layer 2. Pay with one click using 3cities.  Questions? abcoathup at-gmail

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Regulation/business/tokens

• US CFTC allowed to serve notice to Ooki DAO via help bot & forum post, LeXpunK & DeFi Education Fund filed to submit amicus briefs

• EU Commission Russian sanctions adds ban on all crypto wallets & custody services

• Kim Kardashian $1.26 million settlement with US SEC for promoting a token on Instagram without disclosing payment received

• Celsius filing included users full name and deposit/withdrawal amounts

• Cloudflare IPFS gateway blocks Tornado Cash

• DeFiLlama dashboard of project raises

General

• Chromium application mode allows for creation of phishing applications

• Australian telco Optus confirms 2.1 million customers had identity document numbers exposed

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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-october-8-2022

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Upcoming Dates of Note

(new/changes in bold)

• Oct 11-14 – Devcon 6 (Bogotá)

• Oct 14 – Flashbots MEV workshop

• Oct 14 – Semaphore grants deadline

• Oct 18-23 – Eth Medellin (Colombia)

• Oct 21 – Clr.fund LatAm round ends

• Oct 26-28 – Eth Panama

• Oct 28-30 – ETH Lisbon

• Oct 31 – Merge data challenge deadline

• Nov 3 – US Treasury digital assets RFC [PDF] deadline

• Nov 4-6 – ETHSanFrancisco (ETH Global)

• Nov 11-13 – ETHBrno (Czech Republic)

• Nov 18-20 – Web3 Weekend (ETH Global)

• Nov 25-27 – ETH Vietnam

• Nov 26-30 – ETH Miami

• Dec 2-4 – ETHIndia (ETH Global)

• Mar 2-5 – ETHDenver

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OhNoEthereum via https://www.ohnocrypto.com/ @Andrew B Coathup, @Khareem Sudlow