Week in Ethereum News -The Latest Ethereum News and Upcoming Events This Week

2023-07-24, 01:24

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## Eth News and Links
### Dencun (Cancun + Deneb) upgrade
Latest all core devs – execution (ACDE) [call video](https://www.youtube.com/watch?v=pTWm4EyStYg&t=259s "call video"). Summary by [Tim Beiko](https://twitter.com/abcoathup/status/1682151447033688065 "Tim Beiko").  Notes from [Tim Beiko](https://twitter.com/TimBeiko/status/1682078353736744960 "Tim Beiko") and [Christine Kim](https://www.galaxy.com/research/insights/ethereum-all-core-developers-execution-call-166-writeup/ "Christine Kim"):

Dencun testing continues with devnet 7 and a [Sepolia shadow fork](https://twitter.com/parithosh_j/status/1682386409494138886 "Sepolia shadow fork")

Client teams implementing Dencun EIPs ready for [devnet 8](https://notes.ethereum.org/ethpandaops/dencun-devnet-8 "devnet 8")

EIP6780 (selfdestruct only in same tx) edge cases clarification, burn used by some L2s

Discussions on adding parent beacon block roots to execution payload, adding getBlockReceipts & removing mining from Execution API and standardizing JWT location

EIP/ERC repo split ([EIP7329](https://eips.ethereum.org/EIPS/eip-7329 "EIP7329")): core devs in favor, Greg Colvin (EIP editor) still opposed

[KZG Ceremony](https://ceremony.ethereum.org/ "KZG Ceremony") 122k contributions, lobby closes July 23 (tomorrow!)
### Prague + Electra upgrade
[EIP7251 FAQ](https://notes.ethereum.org/mikeneuder/eip-7251-faq "EIP7251 FAQ"): would allow more than 32 ETH to be staked

[Suggest a name](https://ethereum-magicians.org/t/name-needed-for-combined-el-cl-prague-electra-upgrade/15122 "Suggest a name") for the Prague + Electra upgrade
### Layer 1
Ben Edgington: [Upgrading Ethereum book](https://eth2book.info/capella/part2/consensus/ "Upgrading Ethereum book") new sections on LMD GHOST & Casper FFG
### Client releases
Consensus layer:

Lodestar [v1.9.2](https://github.com/ChainSafe/lodestar/releases/tag/v1.9.2 "v1.9.2"): hotfix for gossip blocks with unknown block parent errors and changed block production wait cutoff

Nimbus [v23.7.0](https://github.com/status-im/nimbus-eth2/releases/tag/v23.7.0 "v23.7.0"): validator client optimisations and improves validator performance

Teku [v23.6.2](https://github.com/Consensys/teku/releases/tag/23.6.2 "v23.6.2"): minor bug fixes and dependencies updates

Execution layer:

Nethermind [v1.20.1](https://github.com/NethermindEth/nethermind/releases/tag/1.20.1 "v1.20.1"): fix for v1.20.0 which caused Prysm error

Reth [v0.1.0-alpha.4](https://github.com/paradigmxyz/reth/releases/tag/v0.1.0-alpha.4 "v0.1.0-alpha.4"): removed downloader heuristic preventing syncing, jemallocator default on UNIX and added transaction pool maintenance metrics
### For Stakers
[Staking directory](https://www.staking.directory/ "Staking directory"): directory of staking providers 
### Research
[Data availability sampling (DAS) eprint](https://eprint.iacr.org/2023/1079 "Data availability sampling (DAS) eprint"): prove existing constructions secure, propose new constructions with benchmark & trade-offs

[Threshold encrypted transaction pools](https://arxiv.org/abs/2307.10878 "Threshold encrypted transaction pools"): tradeoffs of using for MEV mitigation
### Layer 2
[Celo propose rollup migration](https://forum.celo.org/t/clabs-proposal-for-celo-to-transition-to-an-ethereum-l2/6109 "Celo propose rollup migration"), initially OP Stack, decentralized sequencer using <a href="/fr/price/celo-celo" target="_blank" class="blog_inner_link">Celo</a>’s validator set, offchain data availability via Eigen Layer and 1-block finality

[zkSync Era](https://zksync.mirror.xyz/HJ2Pj45EJkRdt5Pau-ZXwkV2ctPx8qFL19STM5jdYhc "zkSync Era") shadow testing Boojum (STARK-based proof system)

[Mantle](https://www.mantle.xyz/blog/announcements/mantle-network-mainnet-alpha "Mantle") (optimistic rollup) alpha is live

Consensys [Linea](https://twitter.com/LineaBuild/status/1681283676791873536 "Linea") (zk rollup) alpha is live

L2BEAT: [upgrade process of L2s](https://drive.google.com/file/d/182ycEW8C2wk5tGd3X1tG8oQfUy9WmSJk/view "upgrade process of L2s") [PDF]
### EIPs/Standards
ERCs (application layer):

[ERC7336](https://github.com/ethereum/EIPs/pull/7336/files "ERC7336"): Interactive across multiple registries

[ERC7361](https://github.com/ethereum/EIPs/pull/7361/files "ERC7361"): Metadata hash with decentralized validation (ERC721 extension)
### Stuff for developers
Solidity [v0.8.21](https://soliditylang.org/blog/2023/07/19/solidity-0.8.21-release-announcement/ "v0.8.21"):

Language features: access events from other contracts & immutable variable initialization restrictions relaxed

Addresses “stack too deep” errors for unoptimized code from IR-based code generation

Bug fixes: legacy code generation [always generate code for expression in expression.selector](https://soliditylang.org/blog/2023/07/19/missing-side-effects-on-selector-access-bug/ "always generate code for expression in expression.selector") and Yul optimizer [FullInliner evaluation order](https://soliditylang.org/blog/2023/07/19/full-inliner-non-expression-split-argument-evaluation-order-bug/ "FullInliner evaluation order")

website [makeover](https://twitter.com/solidity_lang/status/1681658620935647232 "makeover")

Create a [stake & reward contract](https://hackernoon.com/how-to-implement-a-stake-and-reward-contract-in-solidity "stake & reward contract")

[Reproduce a simple MEV attack](https://medium.com/immunefi/how-to-reproduce-a-simple-mev-attack-b38151616cb4 "Reproduce a simple MEV attack") in Solidity using Hardhat or Foundry

Guide to [fuzzing onchain contracts with Echidna](https://blog.trailofbits.com/2023/07/21/fuzzing-on-chain-contracts-with-echidna/ "fuzzing onchain contracts with Echidna")

Sothis [v0.4.0](https://github.com/rainshowerLabs/sothis/releases/tag/0.4.0 "v0.4.0"): replay historical state on a local Anvil/Hardhat node

<a href="/fr/price/the-graph-grt" target="_blank" class="blog_inner_link">The Graph</a>: [Substreams-powered subgraphs](https://thegraph.com/blog/substreams-powered-subgraphs/ "Substreams-powered subgraphs")

Secureum [A-MAZE-X CTF solutions](https://ventral.digital/posts/2023/7/16/secureum-a-maze-x-ctf-2023-at-defi-security-summit "A-MAZE-X CTF solutions")

Celer [Brevis](https://blog.celer.network/2023/07/18/brevis-alpha-now-live-introducing-zk-co-processing-and-data-attestation-sdks-for-developers/ "Brevis"): zk co-processing & data attestation SDKs, alpha
### Security
Conic Finance [$3 million exploit](https://twitter.com/ConicFinance/status/1682385596700844032 "$3 million exploit") via read-only reentrancy

Immunefi: [top ten common vulnerabilities](https://medium.com/immunefi/the-top-10-most-common-vulnerabilities-in-web3-bf7a921d489f "top ten common vulnerabilities")
### Ecosystem
EthCC:

Videos by stage: [main](https://www.youtube.com/playlist?list=PLM-Xjhvin-uURP4lmYyP0iys2mxq-rCKU "main"), [Eiffel](https://www.youtube.com/playlist?list=PLm6V2qdPAeaUBG-qBewmpopLdgVtpqaXM "Eiffel"), [Versailles](https://www.youtube.com/playlist?list=PLUt355rCCNrTliK_38XZpLzt1JGrKr2Dq "Versailles"), [Bastille](https://www.youtube.com/playlist?list=PLSJ8gU1sECuzy2pLKFvyPjFn6jaIx_p1C "Bastille"), [Notre Dame](https://www.youtube.com/playlist?list=PLhM7rBgpVV-KN8mM17IRSFIGsL0EaGA_m "Notre Dame"), [Louvre](https://www.youtube.com/playlist?list=PL-owlDp9BBasiGOoq5sK3gg0zKS_2WXLP "Louvre") & [Saint Victor](https://www.youtube.com/playlist?list=PLqL60kqgLPBAM-gy8Dop9tTREOuq1q2QV "Saint Victor")

[EthCC 2024](https://twitter.com/EthCC/status/1682040349857050627 "EthCC 2024") will be in Brussels

Etherscan [advanced filter updates](https://twitter.com/etherscan/status/1682351432543113218 "advanced filter updates")
### Notable at app layer
[Aave GHO](https://aave.mirror.xyz/t7qcU668gSp9teT_SBhJb9_AVcbv8kpzvd0IpP39lBw "Aave GHO") (overcollateralized stablecoin) live on mainnet, <a href="/fr/price/aave-aave" target="_blank" class="blog_inner_link">Aave</a> v3 supplied assets used as collateral

[UniswapX](https://blog.uniswap.org/uniswapx-protocol "UniswapX") (aggregator): gas-free swaps with MEV protection & no cost for failed transactions, beta

[Ajna](https://www.ajna.finance/ "Ajna") (lending) live on mainnet, no governance or external price feeds

OpenSea [Deals](https://twitter.com/opensea/status/1682077991029932032 "Deals"): create offers to swap NFTs for NFTs & WETH

[Mint.fun](https://twitter.com/mintdotfun/status/1681696385555648514 "Mint.fun") (NFT minting) adds support for NFTs on <a href="/fr/price/optimism-op" target="_blank" class="blog_inner_link">Optimism</a> & Zora
## Job Listings
EF Privacy & Scaling Explorations team seek [ZK circuits engineer](https://jobs.lever.co/ethereumfoundation/7a7da3a9-a080-40a9-8aed-9e81641650a4 "ZK circuits engineer")

### Regulation/business/tokens
[Financial Stability Board](https://www.fsb.org/2023/07/fsb-finalises-global-regulatory-framework-for-crypto-asset-activities "Financial Stability Board") (FSB) recommended framework for crypto assets

[UK Financial Conduct Association](https://www.fca.org.uk/publication/guidance-consultation/gc23-2.pdf "UK Financial Conduct Association") (FCA) guidance warns memes can breach promotion rules

[France issues crypto license to Societe Generale Forge](https://www.coindesk.com/policy/2023/07/19/societe-generale-becomes-first-company-to-win-french-crypto-license "France issues crypto license to Societe Generale Forge") to buy/sell, exchange & custody assets

[Nasdaq](https://www.coindesk.com/business/2023/07/19/nasdaq-halts-plan-for-crypto-custody-service-due-to-us-regulatory-conditions/ "Nasdaq") halts plans for crypto custody service due to US regulatory environment
### General
[Gnosis Pay](https://twitter.com/gnosispay/status/1680874992509272065 "Gnosis Pay"): payment network on <a href="/fr/price/gnosis-gno" target="_blank" class="blog_inner_link">Gnosis</a> chain L2 with linked Visa Debit card

[GitHub social engineering attacks](https://github.blog/2023-07-18-security-alert-social-engineering-campaign-targets-technology-industry-employees/ "GitHub social engineering attacks"), using repo invites & malicious npm dependencies
## Upcoming Dates of Note
(new/changes in **bold**)
Jul 23 – [KZG Ceremony](https://ceremony.ethereum.org/ "KZG Ceremony") closes
**Jul 23 – [Devconnect scholars](https://blog.ethereum.org/2023/06/26/devconnect-instanbul-scholars "Devconnect scholars") application deadline
Aug 4-18 – [ETHGlobal Superhack](https://ethglobal.com/events/superhack "ETHGlobal Superhack") virtual**
Aug 11-13 – [ETHMunich](https://ethmunich.de/ "ETHMunich") hackathon
Aug 15-16 – [ETHToronto](https://www.ethtoronto.ca/ "ETHToronto") & [ETHWomen](https://www.ethwomen.com/ "ETHWomen")
**Aug 15-29 – [Gitcoin Grants 18](https://twitter.com/gitcoin/status/1681747409435787264 "Gitcoin Grants 18")**
Aug 16-19 – [Ethereum Argentina](https://twitter.com/EtherArgentina/status/1625857633260552200 "Ethereum Argentina") (Buenos Aires)
Aug 28-30 – [Science of Blockchain Conference](https://cbr.stanford.edu/sbc23/ "Science of Blockchain Conference") (Stanford University)
Aug 30 - Sep 3 – [ETHWarsaw](https://www.ethwarsaw.dev/ "ETHWarsaw") conference & hackathon
Sep 1-3 – [Ethcon Korea](https://ethcon.kr/ "Ethcon Korea") hackathon
Sep 7-9 – [ETHAccra](https://www.ethaccra.xyz/ "ETHAccra") hackathon
Sep 10-12 – [Ethereum Singapore](https://www.ethereumsingapore.com/ "Ethereum Singapore") hackathon & conference
Sep 11-13 – [DappCon](https://www.dappcon.io/ "DappCon") (Berlin)
Sep 15 – [Protocol Berg](https://protocol.berlin/ "Protocol Berg") (Berlin)
Sep 15-17 – [ETHChicago](https://www.ethchicago.xyz/ "ETHChicago") conference & hackathon
Sep 18-21 – [ETH Montréal](https://ethmontreal.xyz/ "ETH Montréal") hackathon & conference
Sep 22–24 – [ETHGlobal New York](https://ethglobal.com/events/newyork2023 "ETHGlobal New York")
Oct 5-6 – [ETHMilan](https://www.ethmilan.xyz/ "ETHMilan") conference
Oct 6-8 – [ETHRome](https://ethrome.org/ "ETHRome") hackathon
Oct 6–27 – [ETHOnline](https://ethglobal.com/events/ethonline2023 "ETHOnline") (ETHGlobal) virtual
Oct 13–15 – [Ethereum Kuala Lumpur](https://twitter.com/ethkl1/status/1670761473348624384 "Ethereum Kuala Lumpur") conference & hackathon
Oct 27–29 – [ETH Miami](https://ethmiami.net/ "ETH Miami") festival + hackathon
Oct 28–30 – [ETH Lisbon](https://www.ethlisbon.org/ "ETH Lisbon") hackathon
Oct 31 – [Road to Devcon grants](https://blog.ethereum.org/2023/06/29/road-to-devcon7-grants "Road to Devcon grants") application deadline
Nov 3-5 –[ ETH Lisbon](https://www.ethlisbon.org/ " ETH Lisbon") hackathon
Nov 13-19 – [Devconnect](https://blog.ethereum.org/2023/04/20/announcing-devconnect-ist "Devconnect") (Istanbul)
Nov 17-19 - [ETHIstanbul](https://ethglobal.com/events/istanbul "ETHIstanbul") (EthGlobal)

<div class="blog-details-info">
<div>Disclaimer
<div>Author: Andrew B Coathup and Evan Van Ness, WeekinEthereum.substack Team
<div>Editor: Gate.io Blog Team
<div class="info-tips">\*This article represents only the views of the author and does not constitute any investment suggestions.
<div>\*Copyright is reserved by WeekinEthereum.substack Team. Please contact us to remove any infringement.
</div>

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