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## Eth News and Links
### Shapella (Shanghai + Capella) upgrade
[Sepolia testnet](https://twitter.com/parithosh_j/status/1630423179687604225 "Sepolia testnet") successfully upgraded to Shapella

[withdrawal-mainnet-shadowfork-2](https://twitter.com/abcoathup/status/1631783236748857344 "withdrawal-mainnet-shadowfork-2") successfully upgraded to Shapella, circuit breaker to local block building tested

Latest all core devs – consensus (ACDE) [call video](https://www.youtube.com/watch?v=GNhrb5txJ4M&t=168s "call video"). Notes from [Tim Beiko](https://twitter.com/timbeiko/status/1631371121399562245 "Tim Beiko"):

Goerli testnet Shapella upgrade scheduled for March 14, 10:25 PM UTC

Mainnet Shapella upgrade ~4 weeks after Goerli (assuming no issues), date to be selected at next ACDE call

Cancun planning discussions: SSZ, EIP4788 (beacon state root in EVM), EIP2537 (BLS12-381 precompile) & removing SELFDESTRUCT

Geth proposals to remove eth/66, pending blocks & pre-merge sync

Wallet devs: [withdrawals increment account balances without transactions](https://twitter.com/TimBeiko/status/1630693566023598085 "withdrawals increment account balances without transactions")

### Dencun (Cancun + Deneb) upgrade
KZG Ceremony:

[61k+ contributors](https://ceremony.ethereum.org/ "61k+ contributors"), 20k+ in the lobby, 9 days left in first general contribution period

[Java_script_ client](https://github.com/dsrvlabs/czg-keremony#readme "Java_script_ client") implementation

SSZ breakout [video call](https://www.youtube.com/watch?v=Nl7iwAcqekY "video call"): EIP updated with metrics of [Union vs normalized](https://ethereum-magicians.org/t/eip-6404-ssz-transactions-root/12783/17 "Union vs normalized") transaction representation
### Layer 1
Execution layer client diversity: [Nethermind client is over 20% of synced nodes](https://twitter.com/ant_sabado/status/1630732757012717570 "Nethermind client is over 20% of synced nodes")

EF [account abstraction grants round](https://esp.ethereum.foundation/account-abstraction-grants "account abstraction grants round"), up to $300k available, deadline March 31

Flashbots: 

[backrunning private transactions using multi-party computation](https://writings.flashbots.net/backrunning-private-txs-MPC "backrunning private transactions using multi-party computation"), proof of concept

[block builder running inside an SGX enclave](https://writings.flashbots.net/block-building-inside-sgx "block builder running inside an SGX enclave"), on Sepolia testnet

Proposal to [uncouple blobs from the execution payload](https://ethereum-magicians.org/t/uncouple-blobs-from-the-execution-payload/13059 "uncouple blobs from the execution payload")
### Research
Proposal for [simple single slot finality](https://ethresear.ch/t/a-simple-single-slot-finality-protocol/14920 "simple single slot finality"), synchronous dynamically available protocol plus a finality gadget

Analysis of [orderflow auctions (OFAs)](https://frontier.tech/the-orderflow-auction-design-space "orderflow auctions (OFAs)")
### For Stakers
<a href="/price/rocket-pool-rpl" target="_blank" class="blog_inner_link">Rocket Pool</a> [Rescue Node](https://rescuenode.com/ "Rescue Node"): fallback node for temporary access in case of emergencies or maintenance
### Layer 2
Scroll zkEVM [alpha testnet](https://scroll.io/blog/alphaTestnet "alpha testnet")

Arbitrum’s proposed [time boost](https://offchain.medium.com/time-boost-a-new-transaction-ordering-policy-for-arbitrum-5b3066382d62 "time boost") alternative to first come first served (FCFS) transaction ordering, MEV searchers can buy up to 0.5 second boost for transactions

Jordi Baylina: [provers are not the bottleneck to zk rollup scalability](https://twitter.com/jbaylina/status/1629352597445394432 "provers are not the bottleneck to zk rollup scalability") as they can run in parallel

Patrick McCorry: [off-chain systems](https://stonecoldpat.substack.com/p/sharp-superchain-layer-3s-temporary "off-chain systems") (Layer 3) on top of rollups
### EIPs/Standards
ERCs:
[ERC6596](https://github.com/ethereum/EIPs/pull/6596/files "ERC6596"): Historical asset metadata JSON schema
### Stuff for developers
Hardhat [v2.13.0](https://github.com/NomicFoundation/hardhat/releases/tag/hardhat%402.13.0 "v2.13.0"): ES Modules (ESM) support and improved IR based compilation

Remix [v0.31](https://medium.com/remix-ide/remix-release-v0-31-0-a-forking-good-time-64dfca5a6a08 "v0.31"): fork mainnet/testnets/custom networks, check UUPS contracts for storage layout incompatibilities, backup files/folders, UML zooming and Remixd v0.6.12

Foundry:

forge-std [v1.5.0](https://twitter.com/msolomon44/status/1630729716272447489 "v1.5.0"): StdStyle for console colors/styles, left/right shown for assertion failures, ERC721 & ERC1155 deal cheats, assertEqCall and minimum gas variants of expectCall

Foundry _script_s [base abstract contract](https://twitter.com/PaulRBerg/status/1629480999888273412 "base abstract contract")

Trail of Bits [properties](https://blog.trailofbits.com/2023/02/27/reusable-properties-ethereum-contracts-echidna/ "properties") for ABDKMath64x64, ERC20 & ERC4626, use with Echidna fuzzing or [Foundry unit tests](https://twitter.com/gakonst/status/1630290323263086594 "Foundry unit tests")

OpenZeppelin [v4.8.2](https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v4.8.2 "v4.8.2"): fix for ERC721Consecutive incorrect balance with batch of 1

[Unchecked counter](https://github.com/PaulRBerg/unchecked-counter#readme "Unchecked counter"): `+` user defined operator to improve readability of unchecked loops

[Bit shifting and masking](https://medium.com/mweiss.eth/solidity-and-evm-bit-shifting-and-masking-in-assembly-yul-942f4b4ebb6a "Bit shifting and masking") in assembly (Yul)

[Poseidon-huff](https://github.com/rymnc/poseidon-huff#readme "Poseidon-huff"): Poseidon hash function ported to Huff

Fe (language) [v0.21.0-alpha](https://github.com/ethereum/fe/releases/tag/v0.21.0-alpha "v0.21.0-alpha"): Self type, Max/Min traits with implementations for numeric types

wagmi [ABIType v0.6](https://twitter.com/wagmi_sh/status/1631017966505541633 "ABIType v0.6"): adds human-readable ABI type-level & runtime parse utilities

Starter kits:

[Buidl-frontend](https://github.com/District-Labs/buidl-frontend#readme "Buidl-frontend"): wagmi, RainbowKit, Next.js; plus message signing, sign in with <a href="/price/ethereum-eth" target="_blank" class="blog_inner_link">Ethereum</a> & contract deploy

[Optimism starter](https://github.com/ethereum-optimism/optimism-starter#readme "Optimism starter"): wagmi, Foundry, RainbowKit & Vite; plus <a href="/price/optimism-op" target="_blank" class="blog_inner_link">Optimism</a>’s attestation station

tx2uml [v1.1.0](https://github.com/naddison36/tx2uml/releases/tag/v1.1.0 "v1.1.0"): adds value transfer diagrams

[Sybil Form](https://github.com/dabit3/sybil-form#readme "Sybil Form"): sybil-resistant form using <a href="/price/gitcoin-gtc" target="_blank" class="blog_inner_link">Gitcoin</a> Passport

[Tenderly Faucet](https://tenderly-faucet.vercel.app/ "Tenderly Faucet"): fork a network and fund addresses via the faucet

CTFs:

[Curta](https://www.curta.wtf/ "Curta") CTF protocol live

[Sussy](https://github.com/Philogy/sussy-huff-ctf#readme "Sussy") Huff challenge

EKO2022 CTF [Metaverse Supermarket solution](https://stermi.xyz/blog/eko2022-ctf-metaverse-supermarket-solution "Metaverse Supermarket solution")

Damn Vulnerable DeFi v3 [Unstoppable solution](https://bytes032.xyz/Notes/Unstoppable "Unstoppable solution")

Secureum RACE #15: [8 question Solidity quiz & answers](https://ventral.digital/posts/2023/2/27/race-15-of-the-secureum-bootcamp-epoch-infinity "8 question Solidity quiz & answers")

[Fusion zkRollup](https://github.com/leonardoalt/fusion#readme "Fusion zkRollup"): experimental simple rollup in Rust
### Security
[Analysis of exploitable contract bugs](https://www.cs.purdue.edu/homes/zhan3299/res/ICSE23.pdf "Analysis of exploitable contract bugs") [PDF] from Code4rena contests, 80% are currently beyond existing detection tools

[Counter Exploit Toolkit](https://github.com/jtriley-eth/counter-exploit-toolkit#readme "Counter Exploit Toolkit"): upgradeable contract with arbitrary storage write access, token & ETH withdrawal, ETH deposit honeypot and token transfer from an attacker
### Ecosystem
Reminder: [Goerli testnet is deprecated](https://github.com/eth-clients/goerli#readme "Goerli testnet is deprecated") with support until the end of the year

[Devcon 7](https://blog.ethereum.org/2023/02/28/devcon-7-update "Devcon 7") coming to South East Asia in 2024, [likely Q3/Q4](https://twitter.com/skylar_eth/status/1630644534605430796 "likely Q3/Q4").  [Propose](https://forum.devcon.org/c/devcon-7-location-suggestions/14 "Propose") a city.  [Dev connect](https://twitter.com/EFDevcon/status/1630543193358958592 "Dev connect") later in 2023

[Etherscan address display](https://twitter.com/etherscan/status/1630191302792052736 "Etherscan address display") changed to default to first and last few characters

Vitalik: [still more to be done to improve the user experience](https://vitalik.eth.limo/general/2023/02/28/ux.html "still more to be done to improve the user experience")
### Application layer
Account abstraction:

ERC4337 [EntryPoint contract](https://twitter.com/erc4337/status/1631087958949531648 "EntryPoint contract") deployed on mainnet & <a href="/price/optimism-op" target="_blank" class="blog_inner_link">Optimism</a>, user operations are sent to a private mempool, bundlers then batch & send to EntryPoint for execution 

Safe [{Core}](https://safe.mirror.xyz/FLvQQ5J9qXks0izRl73oC6LiFLofbwFNorwzaEj_xL8 "{Core}"): account abstraction stack

[MakerDAO declined](https://vote.makerdao.com/polling/QmRh87bm "MakerDAO declined") Cogent Bank’s $100 million loan proposal

[Proposal to rescue tokens](https://governance.aave.com/t/bgd-rescue-of-tokens-locked-on-aave-overview-and-phase-1/8150/80 "Proposal to rescue tokens") sent to <a href="/price/aave-aave" target="_blank" class="blog_inner_link">Aave</a> by mistake

[LlamaZip](https://twitter.com/0xngmi/status/1630367605415444480 "LlamaZip"): UniswapV3 router optimized for <a href="/price/optimism-op" target="_blank" class="blog_inner_link">Optimism</a> by compressing calldata

[Ethereum Attestation Service](https://mirror.xyz/0xeee68aECeB4A9e9f328a46c39F50d83fA0239cDF/jmpn9Ykymny7JNCwWKkaDUFCx3MYqykx5phzfrVHHuE "Ethereum Attestation Service") live on Arbitrum

Analysis of [airdrop impact on NFT marketplaces](https://rabbithole.mirror.xyz/s1BFIgK1oIDAiQnUpyIJtsfx18zvN0U6tWh4fW76DV8 "airdrop impact on NFT marketplaces")

POAP [Checkout](https://blog.poap.xyz/checkout/ "Checkout"): sell POAPs for Sybil resistance or income on mainnet & Arbitrum
## Job Listings
Shell Protocol team is hiring [senior Solidity devs & more](https://shellprotocol.io/posts/now-hiring-for-shell-protocol/ "senior Solidity devs & more"), remote or Hawaii

[Immutable](https://www.immutable.com/ "Immutable") is hiring a [Principal Product Security Engineer](https://jobs.lever.co/immutable/71ade1b0-3b69-4b85-af79-3c5c223a0e1f "Principal Product Security Engineer").

<a href="/price/frax-frax" target="_blank" class="blog_inner_link">Frax</a> Finance is expanding their official core developer team. [Apply here](https://docs.google.com/forms/d/e/1FAIpQLSem7KL-FFgsuxaUMww4OXMxdJ-qXfyWJ_IvGdqVteBSM5FgxA/viewform "Apply here")!

[Request Network](https://request.network/en/ "Request Network") is hiring a [Community & Communication Manager](https://jobs.lever.co/request/76d0db8a-06bc-42c9-9816-69317c5f8c99 "Community & Communication Manager")

Certora is hiring a [Senior Enterprise Sales Rep](https://www.certora.com/#careers "Senior Enterprise Sales Rep").
### Regulation/business/tokens
Coinbase [Crypto435 campaign](https://twitter.com/coinbase/status/1630592674020335617 "Crypto435 campaign") to promote pro-crypto policy in US congress

Reserve Bank of Australia [piloting 14 CBDC use cases](https://www.rba.gov.au/media-releases/2023/mr-23-06.html "piloting 14 CBDC use cases")

Coindesk: [crypto clients suspend business with Silvergate bank](https://www.coindesk.com/business/2023/03/02/silvergate-stock-drops-over-50-as-crypto-clients-flee-beleaguered-bank/ "crypto clients suspend business with Silvergate bank")

[Coinbase](https://twitter.com/CoinbaseAssets/status/1630236377622228994 "Coinbase") suspending trading of <a href="/price/binance-usd-busd" target="_blank" class="blog_inner_link">Binance USD</a> (BUSD)

Collective DAO [governance library](https://plaid-cement-e44.notion.site/The-Collective-DAO-Archives-Governance-Library-a58c6a2567c34636bc425ac97c7c9a79 "governance library"): DAO policies, programs and processes
### General/crypto
[LastPass attack details](https://support.lastpass.com/help/incident-2-additional-details-of-the-attack "LastPass attack details"): keylogger installed on DevOps engineers home computer via vulnerable media software to access corporate vault

Celer: [benchmark of SHA-256 on SNARK/STARK circuit development frameworks](https://blog.celer.network/2023/03/01/the-pantheon-of-zero-knowledge-proof-development-frameworks/ "benchmark of SHA-256 on SNARK/STARK circuit development frameworks") using metrics of proof generation time, peak memory usage and CPU utilization

## Upcoming Dates of Note
(new/changes in **bold**)
Mar 10-29 – [Scaling Ethereum](https://ethglobal.com/events/scaling2023 "Scaling Ethereum") (ETHGlobal) virtual
Mar 11  –  [Ethereum Guatemala](https://www.eventbrite.com/e/ethereum-guatemala-11-de-marzo-tickets-531104466757 "Ethereum Guatemala")
**Mar 14 – [Goerli testnet upgrades to Shapella](https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/shanghai.md#upgrade-schedule "Goerli testnet upgrades to Shapella")**
Mar 15-16 – [ETHDubai](https://www.ethdubaiconf.org/ "ETHDubai")
Mar 16-18 – [ETH Porto](https://ethporto.org/ "ETH Porto")
Mar 28-30 – [Ethereum Rio](https://www.ethereumbrasil.com/ethereumrio "Ethereum Rio")
**Mar 31 - Apr 2 – [ETHSamba](https://twitter.com/ethsamba/status/1631326304447627265 "ETHSamba") (Rio) hackathon & conference
Mar 31 – deadline for [EF account abstraction grants round](https://esp.ethereum.foundation/account-abstraction-grants "EF account abstraction grants round")**
Apr 3-6 – [Edcon](https://edcon.io/ "Edcon") Vienna
Apr 12-14 – [NFT NYC](https://www.nft.nyc/ "NFT NYC")
Apr 14-16 – [ETHGlobal Tokyo](https://tokyo.ethglobal.com/ "ETHGlobal Tokyo")
Apr 14-16 – [ETHZurich](https://ethereumzuri.ch/ "ETHZurich") conference & hackathon
Apr 21-23  – [EthTaipei ](https://eth-taipei.notion.site/ETHTaipei-2023-7aba2e9b4d264385ad26cb926639ed3a "EthTaipei ")hackathon
Apr 24-25  – [EthTaipei](https://eth-taipei.notion.site/ETHTaipei-2023-7aba2e9b4d264385ad26cb926639ed3a "EthTaipei") conference
Apr 27-30  – [Istanbul ETH Privacy](https://www.leadingprivacy.com/istanbul "Istanbul ETH Privacy") conference & hackathon
May 5-7 – [ETHMalaysia](https://ethmalaysia.com/ "ETHMalaysia") conference & hackathon
May 5-7 – [ETHTallinn](https://ethtallinn.org/ "ETHTallinn") hackathon
May 9-10 – [NFT Tallinn](https://nfttallinn.com/ "NFT Tallinn") conference
May 19-23 – [Edcon](https://edcon.io/ "Edcon") Montenegro (changed from Vienna)
May 20-21 – [ETHDam](https://www.ethdam.com/ "ETHDam") (Amsterdam) conference & hackathon
May 24-26 – [Spaghett ETH](https://naples.spaghett-eth.com/ "Spaghett ETH") (Naples) conference
**May 26-28 – [ETHDublin](https://www.ethdublin.io/ "ETHDublin") hackathon**
Jun 2-4 – [ETH Seoul](https://2023.ethseoul.org/ "ETH Seoul")
**Jun 2-6 – [ETH Belgrade](https://ethbelgrade.rs/ "ETH Belgrade") conference & hackathon**
Jun 9-11 – [ETHPrague](https://ethprague.com/ "ETHPrague") conference & hackathon
Jun 23–25 – [ETHGlobal Toronto](https://ethglobal.com/events/toronto "ETHGlobal Toronto")
Jul 5-7 – [ETHBarcelona](https://ethbarcelona.com/ "ETHBarcelona")
Jul 17-20 – [EthCC](https://ethcc.io/ "EthCC") (Paris)
Jul 21–23 – [ETHGlobal Paris](https://ethglobal.com/events/paris2023 "ETHGlobal Paris")
Aug 16-19 – [Ethereum Argentina](https://twitter.com/EtherArgentina/status/1625857633260552200 "Ethereum Argentina") (Buenos Aires)
**Aug 30 - Sep 3 – [ETHWarsaw](https://www.ethwarsaw.dev/ "ETHWarsaw") conference & hackathon**
Sep 10-12 – [Ethereum Singapore](https://www.ethereumsingapore.com/ "Ethereum Singapore") hackathon & conference
Sep 22–24 – [ETHGlobal New York](https://ethglobal.com/events/newyork2023 "ETHGlobal New York")
Oct 6–25 – [ETHOnline](https://ethglobal.com/events/ethonline2023 "ETHOnline") (ETHGlobal) virtual


<div class="blog-details-info">
<div>Disclaimer
<div>Author: Andrew B Coathup and Evan Van Ness, Weekin<a href="/price/ethereum-eth" target="_blank" class="blog_inner_link">Ethereum</a>.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 Weekin<a href="/price/ethereum-eth" target="_blank"class="blog_inner_link">Ethereum</a>.substack Team. Please contact us to remove any infringement.
</div>

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