Week in Ethereum News, March 19, 2022 - thanks to the Uniswap Grants Program for making this issue possible!

#ETH #Ethereum

Eth News and Links

Mainnet execution layer

• Latest core devs call video. Notes from Tim Beiko:

  • Kiln testnet transition to PoS successful, some implementation issues, more testing needed including devnets and live network shadow forks

  • EIP4895 push withdrawals as operations selected for Shanghai

  • EIP4844 data blob transaction type update

  • Proposal to harmonize Core EIP process with executable specs

• Erigon v2022.03.01: bug fixes

• Besu v22.1.2: Kiln v2.1 spec support, tracing API improvements

• PluGeth Parity tracing plugin: 4 tracing methods equivalent to OpenEthereum

• EIP4844 data blob transaction type meta-spec and promotional website

• Dankrad’s EIP1559 exponential version explainer, proposed for data blob transactions

Proof of Stake consensus layer

• Loss risk model for providers running a supermajority client

• Lighthouse v2.1.4: Kiln testnet support, networking optimizations;
  v2.1.5: address DoS vulnerability in OpenSSL used for https

• Teku v22.3.1: Kiln testnet support, reduced CPU & memory usage when processing gossip

• Ben Edgington’s Upgrading Ethereum book chapter on BLS signatures

• Priority fee analysis with projected returns for validators

• Rocket Pool smoothing pool proposal for MEV & priority fees

• Stakers should prune Geth node if running on a 2TB SSD

PoW switch off

• Ethereum Foundation’s Kiln testnet announcement: 

  • App & tooling devs should test now

  • PoW switch off date will be set once existing public testnets transition to PoS successfully

• Prysm block proposal bug on Kiln testnet, caused by big vs little endian handling in base fee per gas, not detected previously as base fee of 7 used has same value in big/little endian

• Video guide to join Kiln testnet using Geth+Lighthouse

• Join Kiln testnet with a Raspberry Pi or on AWS

EIPs/Standards

• EIP4906: ERC721/ERC1155 Metadata Update Extension

• EIP4907: ERC721 User And Expires Extension

• EIP4910: Royalty Bearing NFTs

Layer2

• StarkNet Alpha v0.8.0 on testnet, adds fees, optional until v.0.9.0

• Design for partially anonymous rollup, operator creating a batch has transaction details, account activity leaked via updated account state hashes

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Stuff for developers

• Solidity v0.8.13: fix for abi.encodeCall bug, Yul IR pipeline production ready, optimizer can avoid stack too deep, using for at file level & global and adds go to definition for language server

• Remix v0.22: increased browser storage capacity, JavaScript unit testing with Mocha and debugger searches Sourcify & Etherscan for verified code

• Foundry seminar video: setup, testing, call-tracing, debugger and preview of invariant tests & smarter fuzzer

• Chainlink Foundry starter kit: VRFv2, MockOracle and prompt-based deployment scripts

• ethers js v5.6.1: fix for CCIP Read using wrong sender

• Solidity trivia by the Ethernaut

• Gas optimizations for regular devs: bump Solidity version, use immutable variables, unchecked, custom errors, avoid Counters and avoid copy to memory

• ERC4626.sol: solmate implementation of tokenized vault

• Revenue distribution token: ERC4626 with linear revenue issuance, not audited, unit/fuzz tests in Foundry & invariant tests in dapptools

• hardhat-circom v3.0.0: uses circom2 compiler as default

• Dune dashboard to get contracts by deployer address on Ethereum & Optimism

Security

• Agave (Aave fork) & Hundred Finance (Compound fork) $5.5 & $6.2 million exploits on Gnosis chain (formerly xDAI) using reentrancy via native token

• Bored Apes from NFTX vault used to claim APE airdrop before being returned to the vault in the same transaction

• Parity wallet 2017 hacker moved 990 ETH to Tornado Cash

Ecosystem

• Sign-In with Ethereum Discourse plugin for self-hosted forums, enabled on ENS forum

• Tally Ho (browser wallet) adds native support for Sign-In With Ethereum

• Etherscan’s spoof token explainer: token transfer event has a different from address than the transaction from address

• Vitalik trusted setup explainer; a trusted ceremony is needed for KZG commitments

Enterprise

• DC Comics hybrid trading cards: physical cards with connected NFTs on Hro (Immutable X)

• Pixar NFTs via blind boxes on VeVe (Immutable X)

• HSBC acquires virtual real estate in The Sandbox metaverse

• Aya: ESG systems can learn from Ethereum’s principles

Application layer

• Aave v3 live on Optimism & Arbitrum; adds portals, high efficiency mode, isolation mode, gas optimization & risk management

• Alchemix v2 (self-repaying loans): mix and match collateral & strategies 

• Kwenta synthetic perpetual futures beta live on Optimism

• Sablier (money streaming) live on Optimism & Arbitrum

• Backd (reactive liquidity) live on mainnet

• Vovo Finance (principal protected products) live on Arbitrum

• Stargate bridge between mainnet, Optimism & Arbitrum 

• Epic space saga in latest round of Dark Forest game

• Larva Labs hid a Meebit with clues in Grails #11 and Meebit artwork

• Sound onboards Snoop Dogg with Death Row Mix Vol. 1 NFT

• CyberBrokers SVG layers & metadata on mainnet, uses custom renderer with images cached on IPFS, deployment cost 91 ETH

• Guild adds NAND (can’t hold competing) & NOR (can’t hold any) token gating

• ApeCoin DAO: token airdrop for Bored Ape holders

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Job Listings

• Hifi is hiring a Senior Solidity Engineer & Community/Social Media Manager

• SideShift.ai is hiring a Solidity Engineer. Good job!

• EF hiring Test Engineer to improve testing infrastructure & coverage

• Status is Hiring! SDET and Head of Marketing (Status Network). All jobs!  

• Devcon needs a front-end web developer

• EF’s Privacy & Scaling Explorations team seek a ZKP Security Engineer, L2 Security Engineer and a Marketing Ops Manager

• eVerse is hiring a lead blockchain engineer for its social video platform

• Mark Cuban seeks a web3 front-end developer. Send a work sample to apply.

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

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Regulation/business/tokens

• Analysis of US proposed bill for secondary sanctions on crypto providers

• Russia’s Central bank licensed Sberbank to issue and exchange crypto

• Ukraine legalizes crypto

• EU parliamentary committee voted to reject proposal limiting Proof of Work

• dYdX’s Guernsey purpose trust framework for DAOs: limit liability for DAO participants, enable off-chain activities and clarify US tax reporting

• Soulbound tokens can make GitCoin grants more pluralistic

• The Space: experiment with UBI & Harberger tax on a graffiti wall

• veRev: yield distribution using periodic reverse dutch auction for buy back and semi-liquid veTokens

• Risk of buying licensed NFTs: F1 Delta Time F1 license not renewed, NFTs to be replaced with generic versions

General

• Time Magazine puts Vitalik on the cover

• Browser in the browser attack: phishing via simulated browser window to spoof a legitimate domain

• Node-ipc supply chain attack, protestware wrote files for users with a Russian IP address

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Permalink for this week’s issue: https://weekinethereumnews.com/week-in-ethereum-news-march-19-2022

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Dates of Note

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

• Mar 24 – Gitcoin Grants Round 13 ends (support Week in Eth News)

• Mar 29-31 – ETHDubai

• Apr 7-9 – ETH Portland hackathon

• Apr 18-25 – Devconnect (Amsterdam)

• Apr 22 – deadline for EF academic grants round

• Apr 22-24 – ETHAmsterdam

• May 20 – US Fed CBDC discussion paper feedback deadline

• Jun 10-12 – ETHPrague

• Jun 20-23 – NFT.NYC

• Jun 24-26 – ETHNewYork

• Jul 8 – ETH Seattle summit

• Jul 19-21 – EthCC 5 (Paris)

• Aug 19-21 – ETHMexicoCity

• Aug 27-28 – DeFi Security Summit (Stanford)

• Aug 29-31 – Science of Blockchain Conference (Stanford)

• Sep 6-9 – MCON 2 (Denver)

• Sep 12-14 – DappCon (Berlin)

• Oct 11-14 – Devcon 6 (Bogotá)

• Nov 4-6 – ETHSanFrancisco

• Dec 1-4 – ETHDownUnder (Sydney)

• Dec 2-4 – ETHTaipei

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