Week in Ethereum News, March 25, 2023
Eth News and Links
Shapella (Shanghai + Capella) upgrade
Update your nodes ready for mainnet Shapella upgrade on April 12, ensure to update both your beacon node & validator client
Consensus layer mainnet releases:
Lighthouse v4.0.1-rc.0 (hotfix for v4.0.0)
Lodestar expected next week
Nimbus v23.3.2
Prysm expected next week
Teku v23.3.1
Execution layer mainnet releases:
Besu v23.1.2
Erigon expected next week
Geth v1.11.5
Nethermind v1.17.3
Consensus specs v1.3.0-rc.5: sets Capella upgrade epoch
Latest all core devs – consensus (ACDC) call video. Notes from Ben Edgington & Christine Kim:
bug bounty doubled for Shapella specific issues up to $500k, until April 5
final Shapella mainnet shadow fork planned once all client releases are out
Deneb discussions: add proofs to blobs bundle in Engine API, KZG library startup times for testing and SSZ scope
post-Deneb upgrade naming & using a merged name (CL star + EL city)
Dencun (Cancun + Deneb) upgrade
Latest EIP4844 implementers call video. Notes from Terence: split EIP4844 SSZ effort from SSZ overhaul and fee market discussions but no immediate changes
KZG Ceremony: 83k+ contributors from first general contribution period (now closed)
Layer 1
EOF mega spec: merged from v1.1 & v2 discussions
692 ETH proposer payment, MEV bot lost $1 million
Client releases
Consensus layer:
Lodestar v1.6.0: client monitoring using remote services, fixes for issues preventing Rocket Pool & Dappnode integration
Research
RIG Open Problem: monitor supply chain health
Inclusion time delay for censored transactions is median of 11 seconds
Origami verifiable delay function: folding Plonk proofs
For Stakers
Lodestar $20k incentive program to try their client & propose a block
Layer 2
zkSync Era (zkEVM) mainnet alpha open to all, native account abstraction, publishes state diffs rather than transaction inputs, initially with a 24 hour execution delay
Taiko (zkEVM) alpha-2 testnet: uses Sepolia testnet
Immutable zkEVM announced, using Polygon zkEVM, gas to be paid in $IMX
Optimism two step withdrawals in Bedrock upgrade, improves bridge security
ARB token reverse-bridging: layer 2 token can be bridged to mainnet
EIPs/Standards
EIPs:
EIP6733: Revert creation in case of collision
ERCs:
Stuff for developers
Update NFT metadata on OpenSea using ERC4906 events & ERC1155 uri event
Re-export interfaces & types so users don’t need to install additional dependencies
Reentrancy guard proxy: prevents reentrant external calls & read only reentrancy
Intro to gas optimization
Foundry x Fe: template to compile & test Fe contracts
Slither v0.9.3: adds detector for high complexity functions
Curta CTF TinySig challenge solution
slither-docs-action: GitHub Action to generate documentation for Solidity pull requests
Symbolic execution tools: comparison of Mythril, Manticore, hevm & EthBMC
noble secp256k1 & noble ed25519 v2: single feature modules in 4KB gzipped
Semaphore v3.4.0: HeyAuthn library to create & manage identities
Circomspect v0.8.0 (static analyzer for Circom): added five new analysis passes
Security
Cloudflare users: rotate Global API key for all accounts
Transaction simulation vulnerabilities disclosed using basefee, coinbase & gasprice variables
Tincho’s audit process
Ecosystem
At least 636k ETH supply lost/frozen so far: Parity wallet bug, contract bugs, burnt, typos & trapped in WETH
Enterprise
Coinbase Wallet as a Service public preview on testnet
Xapo Bank integrated USDC, send & receive USDC from USD accounts, non-US only
Notable at app layer
ERC4361 (Sign In with Ethereum) integrated with MetaMask: sign in request display & domain binding
Maker DAO voted to maintain USDC as primary reserve
Uniswap mini portfolio: view tokens, NFTs & LP pools
SpankPay closing down due to no willing fiat rails
Job Listings
L2BEAT 💗 is hiring a Senior Software Engineer & Product Owner. Apply here!
Nimbus is hiring a Site Reliability Engineer
Job listings: $600 for four issues (75 character limit), payable in ETH/DAI/USDC to abcoathup.eth on mainnet or Layer 2. Questions? abcoathup at-gmail
Regulation/business/tokens
US SEC:
Coinbase received Wells notice for potential violations of securities law but SEC declines to specify which assets are securities
SushiSwap & Head Chef served with subpoena
Justin Sun charged with unregistered sale of securities and 8 celebrities charged for promotion without disclosing payment
Whitehouse 2023 economic report [PDF]: “crypto assets currently do not offer widespread economic benefits”
Do Kwon arrested in Montenegro
IRS proposed NFT guidance [PDF] on treatment of certain NFTs as collectibles, feedback requested
General/crypto
Ronin exploiter apparently tried to trick the Euler exploiter into using a vulnerable library
aCropalypse: cropped/redacted images from Google Pixel’s screenshot editor can be partially recovered
Goblin Plonk: lazy recursive proof composition
cqlin: efficient linear operations on KZG commitments with cached quotients
Proactive refresh (every 30 seconds) for BLS threshold signatures
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Permalink for this week’s issue: https://weekinethereumnews.com/week-in-ethereum-news-march-25-2023
Upcoming Dates of Note
(new/changes in bold)
Mar 27-30 – Ethereum Rio
Mar 31 - Apr 2 – ETHSamba (Rio) hackathon & conference
Mar 31 – deadline for EF account abstraction grants round
Apr 5-8 – ETH Beijing hackathon
Apr 12 – Mainnet upgrades to Shapella
Apr 12-14 – NFT NYC
Apr 13-16 – Pragma Tokyo & ETHGlobal Tokyo hackathon
Apr 14-16 – EthereumZuri.ch conference & hackathon
Apr 21-25 – EthTaipei hackathon & conference
Apr 27-30 – Istanbul ETH Privacy conference & hackathon
Apr 28 – deadline for EF’s Next Billion fellowship cohort 3
May 5-10 – ETHTallinn hackathon & NFT Tallinn conference
May 9-12 – EY blockchain summit
May 12-14 – ETHGlobal Lisbon
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 2-6 – 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 16-19 – Ethereum Argentina (Buenos Aires)
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 22–24 – ETHGlobal New York
Oct 6–25 – ETHOnline (ETHGlobal) virtual
Oct 28–30 – ETH Lisbon hackathon
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The building never stops 👷♀️⚒️, thank you for these recaps.