Ye Zhang 📜
@yezhang1998
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Cofounder @Scroll_ZKP. Doing research about zero-knowledge proof, system, and hardware.
Joined November 2018
“zkEVM” has been abused in so many marketing materials. However, there are only two zkEVM that achieves bytecode level compatibility and has a full proof on mainnet. @Scroll_ZKP and @0xPolygon zkEVM.
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We are helping Ethereum to achieve its end goal - build a type 1 zkEVM. At the same time, we are maintaining a product-ready efficient type 2 zkEVM branch for our mainnet. When we say something, we actually do it. Really proud that 8 of the top 16 contributors are from us :).
Fun fact: the @Scroll_ZKP team has contributed ~50% of the upstream @privacyscaling zkEVM codebase over the past 2 years. When we say we are building for the community, we mean it.
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My slightly controversial prediction about 4844:. 1) Blob will be 3-5x cheaper than calldata (the number comes from Goerli testnet), Polymarket doesn’t have big enough counter party. Hopefully, there won’t be blob-inscription to further compete with Rollups 😂. 2) It’s super.
Polymarket is predicting that blobs (~125 kB) will cost ~0.001 ETH. Today, 125 kB calldata costs ~30 gwei per gas * 16 gas per byte * 125000 gas ~= 0.06 ETH. And if you think polymarket's guess that blobs will be 60x cheaper is over-optimistic, you can use the market to hedge!
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4844, DA compression, and proof aggregation are all coming to reduce the cost. I know the community and users are waiting - we are building. Lots of changes are under test and audit right now, it is taking longer than expected, but we expect Scroll mainnet to be 10x cheaper in.
One interesting fact:. Anyone can build an Optimistic rollup with full proof within weeks through the current Scroll tech stack. It can be as cheap as any Optimistic rollup on the mainnet right now. There’s no need to do bisection - the challenge protocol can be non-interactive.
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Price will go down 3-5x more in the next 2 months with DA compression and proof aggregation!. Note that price is not the single factor that matters, it’s an unfair comparison to talk about price without mentioning finality and security:.If we submit proof only once a day and go.
Bernoulli is now LIVE on @Scroll_ZKP Mainnet 🔥. With the introduction of EIP-4844 and the SHA-256 precompile, users and devs will experience the most efficient version of Scroll so far. - Massive fee reduction ✅.- Superior EVM-compatibility ✅.
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Today is the one-year birthday of Scroll mainnet 🎂! .It's also the time to open the next chapter of growth! . Three years ago, Scroll was born from a group of passionate builders with a mission to solve Ethereum’s scalability challenges. We developed the first bytecode-level.
Our name comes from a mission that we are “𝐒𝐂aling with a 𝐑𝐎𝐋𝐋up” = Scroll 📜. We’re building something unique with a smooth end-user experience that brings the world onchain. We're excited to share our journey so far, our vision, and what's next. 🔗:
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The first and the only one that achieves the goal of multi-prover with additional security. Every block will have both ZK and TEE proof. Our TEE prover has already validated all Scroll Sepolia testnet blocks. Implementation is fully open-sourced. You need to hack zkEVM,.
What's better than being secured by one proof system?. Being secured by multiple. We're finally unveiling the architecture for Scroll's new multi-proof system, built in collaboration with @AutomataNetwork.
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Excited to present more technical details of zkEVM and what we are building at Scroll!.
Co-founder of @Scroll_ZKP, @yezhang1998, will identify the challenges in building an EVM-equivalent zkRollup and then talk about the technical solutions. He will also introduce the end-to-end workflow for running a zkEVM in real-world and how Scroll is making design trade-offs.
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Deploy Bonsai zk coprocessor on Scroll! It’s only possible due to the special support of pairing precompile on Scroll, amazing work by Kobi! . Look forward to more interesting experiments on our Sepolia testnet!.
👋 @Scroll_ZKP x @RiscZero 👋. in the spirit of “why can’t we all just along?” and composability - I wanted to run my bonsai zkcoprocessor on scroll!. (@__geometry__ portcos and two of my favorites). as a recap, my coprocessor is performing many scalar mults on secp256r1. 1/10
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Beta phase of our journey, Scroll Sepolia testnet launch. The final stage before mainnet! 📜📜📜. “The only rollup that supports PUSH0. The only zkRollup that supports and verifies pairing precompile.”.
We are entering the Beta phase of our journey with the launch of our Sepolia testnet, the final stage before mainnet. The improvements for this release fall into three categories:.- zkEVM upgrades.- Bridge upgrades.- Infrastructure upgrades. 🧵
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Super excited about the first OpenVM release for the next stage of Scroll. It's designed to be the most modular zkVM framework for customization and extensibility. Think of OpenVM as "LLVM" for zkVM, anyone can build their own customized zkVM in a week with this framework.
We're excited to announce OpenVM, a performant and modular zkVM framework built for customization and extensibility. Designed in collaboration with @axiom_xyz and individual contributors including @maxgillett, OpenVM introduces a novel modular design allowing developers to
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In <1 year, the fees and performance of zkRollup will be on par with the optimistic Rollup. The verification and proving cost will be amortized to be negligible (overall overhead is <0.1 cents, with no difference during congested periods). Performance and development.
@ArthurB @zengjiajun_eth IMO in 10 years, all rollups will be ZK and will commit blocks with finalized state roots to L1 every slot. It will take a lot of infrastructure and prover optimization to get there, but that's the clear endgame.
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@sandeepnailwal Hi, I seriously think you guys are making amazing progress on zkEVM, really congrats on that. But can you be more careful about the claims you made, it’s clearly a misleading information to say “Ethereum-equivalence”…It will damage the trust you have built so far.
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Axiom is incredible, they hold a high standard for everything they do. They have amazing tech and are also truly standing by crypto ethos. Looking forward to seeing what they will ship this year!. Some knowledge: .They actually first invented the concept of the "zk co-processor".
We're excited to announce we've raised $20 million led by @paradigm and @standardcrypto, with participation from @robotventures and @etherealvc. We are building infrastructure to give smart contract developers access to more data on-chain.
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The bull market comes with lots of "narratives" and hypes around. I feel like 1-2 months ago, everyone is shitposting on Ethereum and so many discussions around how it will be flipped in this cycle. A big real reason behind this is that the ETH price doesn't go up as other chains.
Pls, give this more attention! . L2 teams are collaborating and coordinating on lots of different topics to push new standards. The goal is not to compete with each other, but to grow as a family. Going forward, Scroll will share notes from those discussions. Check out if you.
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Bring real world users onchain ✨. 8% cash back for every credit card transaction, no exceptions, highest ever!.
.@ether_fi and Scroll have partnered to make Scroll the settlement layer of real world transactions for Cash. Cash will offer the highest cash back of any credit card globally!. Take a look at what's coming ⬇️🧵
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I will be there for the whole time! Look forward to chatting with builders in Africa and gaining a deeper understanding of the real use cases of blockchain. At Scroll, part of our mission is to achieve financial inclusion for everyone!.
Ethereum Layer 2s are coming to Africa!. Following Vitalik's Africa trip, I'm excited to host Layer 2s in Nairobi 🇰🇪 and Lagos 🇳🇬. We have leaders from @arbitrum @Scroll_ZKP @ETHGlobal and supported by @optimismFND. Sign up here:
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@zengjiajun_eth @VitalikButerin @okx @star_okx I don’t think partnering with Binance is "kneeling to a CEX for listing" - it's way more than that, it's a strategic decision to build a partnership for growth and broader support. However, it is indeed a tough decision. Here are some of my thoughts:. 1) Binance on-ramp and.
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Literally the largest layer 2 event ever!.We have capacity for 2000+ attendees. Super proud of our team and @l2beat for hosting this. (Special shout out to @toghrulmaharram 🫡). Come to find Scrollers!
Couldn't make it to @EFDevconnect this year? Not to worry, we've got you covered!. Tune in to our livestream to catch each of the presentations and panels taking place on our main stage at @L2DAYSxyz 👇.
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Pls, give this more attention! . L2 teams are collaborating and coordinating on lots of different topics to push new standards. The goal is not to compete with each other, but to grow as a family. Going forward, Scroll will share notes from those discussions. Check out if you.
Members from the @Scroll_ZKP team will be attending the monthly RollCall, hosted by @CarlBeek and @adietrichs. RollCall is a credibly-neutral coordination call aiming to bring together different L2 teams to collaborate on ideas and new industry standards. To help our community.
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Excited for the Bernoulli upgrade to support blobs and making the transaction fee 10x cheaper. This is just the start, more to come in the coming months! (Lots of new ideas cooking in stealth, coming soon!). Also, a lot to offer to the ecosystem and community, stays tuned✨.
The Blobs are here! .oO. Introducing Scroll's Bernoulli Upgrade 🚀. Our latest protocol enhancement includes added support for EIP-4844, decreasing the cost of @Scroll_ZKP transactions by up to 10x.
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Our zkEVM is constructed in a pretty modular way, I don't see a reason why adding new features are impossible. However, adding features too aggressively will add security risks. Btw, check out our blog from 8 months ago, it's underappreciated :).
And here’s the cool part: Nitro’s WASM-based design creates massive structural advantages for EVM+ innovation. zk teams are doing a ton of complex engineering to target EVM, and many of the decisions they're making today will make adding these EVM+ features nearly impossible.
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Super excited about this new launch! . Scroll SDK Launch:.Anyone can deploy a local testing environment with just four commands in 5 minutes. Teams can launch a fully functional, production-ready zkRollup with one dev ops engineer in under two hours. Scroll SDK is the most.
Ethereum's multichain future is here, and Scroll is ready to power its next chapter. ⛓️. Today, we are excited to introduce Scroll SDK & Gadgets. 🔗: Here's everything you need to know 🧵⬇️
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It's really a great write up about the hardware opportunities of ZKP! . Note that Scroll @Scroll_ZKP will be the first one to open a totally new proving market in zk-Rollup and capture this HUGE chance :).
NEW @paradigm Research!. As ZKPs become more integrated into L1s and L2s, the opportunity for ZK mining could grow to a size similar to that of PoW mining. FPGAs, not ASICs or GPUs, are the best answer to meet the unique compute needs of ZK-rollups.
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Why not verify Cairo proofs through zkEVM? @StarkWareLtd can naturally fit into the landscape of L3 on top of L2 like @Scroll_ZKP and @0xPolygonHermez !. Why not opposite (i.e. zkEVM as L3 on Starkware)?.L2 is a direct scaling layer for the existing ecosystems on Ethereum!.
Who wants to help me build the first ever zkEVM, on top of Cairo?. Seeiously though, I had some POC in a local branch a while ago, it seems feasible to me.
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@pseudotheos 2023- Scroll helps Ethereum scale on L2📜.2024- Scroll helps Ethereum implement EIPs📜.2025- Scroll helps Ethereum scale on L1📜.
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One sentence pitch for Scroll in Africa:. More trustworthy than Binance, .Cheaper than Ethereum
@yezhang1998 talks @Scroll_ZKP . Scroll combines the best features within Binance + Ethereum. It delivers financial inclusion, infrastructure for agriculture and provides room for education, global interconnection and hosts meets ups/events for builders and devs. #ethglobal
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Huge respect for the @OffchainLabs 🫡. This is so true. "If you want to prioritize a roadmap that will take years to build a prover, you don’t have to launch a rollup. The ZK rollup teams didn’t and lost a significant opportunity for market share and land grab".
@DCbuild3r @OPLabsPBC I’m obviously biased here, so take my perspective with a Himalayan-sized grain of salt but I don’t think the criticism is because they don’t have proofs live. Building proofs is hard, decentralizing proofs and making them permissionless is harder. If they think the best roadmap.
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@pcaversaccio Tbf, it’s only delaying finality to see if it’s related to the security of the protocol, not halting the chain, the chain always function as normal. Even with the delay, the finality is within a very normal range (~30min). If you look at any other layer 2s, Scroll is the only.
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The first ZK L3 Orderbook DEX on Scroll backed by a very strong tech team, looking forward to its adoption!.
⚓️We are excited to announce that Vessel has successfully secured $10M in seed round. These funds will be strategically utilized in:. - Integrating CEX efficiency with DEX transparency.- Enhancing liquidity efficiency.- Developing advanced ZKP solutions for DeFi. Our challenges
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Congrats! It’s really inspiring to see how far they go from zk bridge to developer facing zk platform and finally to sp1 for their goal. It’s tough for every startup to stick to a long term vision in this market, bullish on builders who keep’s building towards that!.
1/ We're excited to announce we've raised $55M led by @Paradigm to make zero knowledge proofs accessible to any developer. Succinct’s Prover Network & SP1 make general-purpose ZK performant and easily deployable w/o complex infra. Let’s build towards an era of truth, not trust.
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The only thing that is better than credible neutrality is incredible neutrality :). Credit to @technocrypto.
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Fully agree, everyone has a long way to go and needs multiple iterations of zkEVM. Many fundamental problems haven't been really solved regardless of how aggressively one chooses to approach the mainnet. Learn from others, be transparent, and keep building 🫡.
In all seriousness we are all still small. Polygon has consistently pushed the boundaries on both what their zk teams achieved in the form of product, and the marketing team achieved in terms of gaining popular mindshare. We have a lot to learn across the board.
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Scroll ❤️ @Web3Bridge .Very impressed by what they have done and achieved!. Talent is evenly distributed, but opportunity is not. Scroll's next step is to focus on bringing equal opportunity to everyone, everywhere. It's an important step to bring ZK education to African
Yesterday, I wasn't able to post about @Scroll_ZKP and their mainnet launch anniversary. Meeting the team in Lagos when they came on the L2 tour together with @yosephayele, Ye could not hide his love and admiration for Africa and his interest in working with Africans to see more.
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This is exactly part of our philosophy @Scroll_ZKP ! . Focus on the most important piece, lead the right direction, and support our community to build!. Too many in-house directions means.1. less focused.2. compete with your community (imagine Ethereum builds its own layer 2)
@davidsrz @0xPolygonID We don't have an "identity effort" 😆. Your failure to get it illustrates a profound difference between us. @zksync is based on Ethereum's philosophy of subtraction. We're doing one thing only: solving scalability, and welcome all projects as equal partners to build other stuff.
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A super deep dive into the proof generation algorithm!. It's long but I am 100% sure it's worth taking you one afternoon to digest all the technical details and become an expert in zk proving :). @_andyrdt is amazing at breaking down all those complicated parts!.
Today's zero-knowledge proofs have a big bottleneck: proof generation is slow and expensive. Why is proof generation slow and expensive? Can it be accelerated?. Learn all about proof generation in our new technical blog post:.
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.@AutomataNetwork is building something really cool! They just open-sourced their TEE builder. Alpha: Actions speak louder than words, guess who will have the first multi-prover implementation🤓.
We're releasing our TEE-builder in open source today. @bertcmiller @socrates1024 @metachris showed the feasibility of running a block builder within SGX. Our approach differs for reasons below, and we believe this will drive broader innovation and choice.
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Part of the research we are working on at @Scroll_ZKP is about Ethereum, it's important to make the complicated tech understandable and accessible to more people!. Withdrawal is coming very soon, check out the article by Scroll researcher Luozhu👇.
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@tmel0211 @Scroll_ZKP Hi,感谢对我们的关注,我们确实不是一个“市场噪音”驱动的技术型团队,我们的目的就是做一个安全好用的layer 2系统,实现layer 2应该有的特点(安全,抗审查,等等),关注layer 2应该关注的核心问题,参与核心的技术讨论,帮助Ethereum推进roadmap。.
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I will give a talk at 1pm on September 11th, my talk will be the story behind Scroll, our vision and mission, come if you are interested!. Alpha: it’s right before Vitalik’s talk 🤣.
Join us in welcoming @yezhang1998 from @Scroll_ZKP, set to inspire at #EthereumSingapore2023! 🎙️. 📍 National Gallery, Singapore. 📅 10 - 12 September 2023. See you there!
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.@Scroll_ZKP will commit to be the most credible neutral layer 2.
In my opinion as an observer, one of the reasons why Arbitrum has been successful to date is that the ecosystem did not pick a favourite and remained credibly neutral. Without favourites, it allows anyone to feel like they can deploy on the chain and compete as an equal.
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Scroll is fundamentally enabled by math and cryptography. We designed the coolest NFT ever to welcome earlier builders — each contract will have one unique polynomial!. TL;DR.1) Deploy early to become the Scroll Origin.2) There will be surprises for high quality contracts.
You will be able to claim your newly minted NFT live on the Scroll website starting December 14, 2023, at 10:00 PM GMT. For more details about Scroll Origins, including our eligibility requirements, be sure to check out our official blog post 👇.
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Really nice event organized by @tzhen and @NethermindEth. Check out our panel about node and decentralization! . Two additional alpha:. P1: Oxford style debate between Justin and Dankard on shared sequencing 🤣. P2: A good opportunity to ask Vitalik questions :)
Balancing performance and the tradeoffs of security and high performance chains at . Tune in to hear the perspectives of @musalbas from @CelestiaOrg, @VitalikButerin, @jaosef from @aztecnetwork, @yezhang1998 from @Scroll_ZKP, @Jskybowen of @AstriaOrg and
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What's KZG?.How is it used in Scroll?.How is it used in Danksharding?.How to combine zkRollup with Danksharding?.
Polynomial commitment schemes are critical to Ethereum’s scaling solutions. These schemes will be used in Danksharding, as well as in the proof systems behind Scroll. What are polynomial commitment schemes? And how will they help scale Ethereum?.
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One thing you don’t know without joining us is that I shitpost a lot in our slack about my cats! 🐱🐱🐱
We're looking for a Strategic Partnerships Manager to join our team at @Scroll_ZKP 👀. Details on the role below 👇. (btw this was the first thing I saw when I joined the Scroll slack - so if you're a cat lover Scroll will be your happy place)
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