YQ 🦦🦇🔊 Profile picture
Oct 10, 2022 18 tweets 17 min read Read on X
1/x Prior to #DevconVI, at #RollupDay, @VitalikButerin talked about “Hardening rollups with multi-proofs”. Here is a thread of brief summary.
2/x Nowadays, almost all #rollup protocols are still on “training wheels”, as proofs are either in development or can be easily overridden by simple governance.
3/x Even if we have proof systems ready say validity proof for zk-rollups, due to the complexity of the generated proofs, it’s quite tough to ensure there’s no bug in the proof. One example below, for a simple code snippet in #PSE zk-EVM impl, it has 34,469 lines of circuit code.
4/x It’s almost impossible to ensure so many lines of code are bug-free for a long long time.
5/x Option 1: to run high-threshold(the super majority of guardians or token holders) governance to override the buggy states from the single proof system.
6/x Option 2: multi provers say fraud proof from optimistic rollup and validity proof from zk rollup. Or different implements of the same proof system like WASM or MIPS for fraud proof.
7/x Option 3: two different types of provers plus governance.
8/x The advantages for option 3 are to avoid to solely trust governance and minimize the chance to have simultaneous bugs in different types of provers.
9/c To conclude, #ZK-EVMs won’t be bug-free for long time. To minimize the chance of bugs, we need multiple implementations from #op/zk rollups. The governance can be considered only when emergency happens.
10/x thanks for @toghrulmaharram from @Scroll_ZKP and @EspressoSys @benafisch’s invite and hosting the events.
11/x More talks and panels. @Inphi @optimismFND shared about EIP 4484 and how it can help rollup protocols to reduce the cost.
11/x Panel to discuss building new apps using rollups especially privacy apps as #L3 from @lukejdpearson @polychaincap @jaosef @aztecnetwork @Oskarlso @worldcoin
12/x our friend @stonecoldpat0 @infura_io shared about the various bridge approaches and how to do proper validation for them. Meanwhile, he also left a bunch of open problems for rollups.
13/x @ben_chain @optimismFND @TrustlessState @BanklessHQ @gitcoin discussed how to fund public goods, especially the experience in gitcoin and OP.
14/x ZK-EVM panel with @bkiepuszewski @MakerDAO @yezhang1998 @Scroll_ZKP @jbaylina @0xPolygon @jadler0 @fuellabs_ @optimismFND. With the public testnet launch of Polygon ZK-EVM, other zkrollup protocols are also speeding up. Censorship is still a big issue for rollups atm.
15/x #MEV impacts a lot of apps and users on @ethereum and it’ll happen on various #L2s, too. @toghrulmaharram @tarunchitra @robotventures @DCbuild3r @ObadiaAlex @GuilleAngeris @AnotherJannik
16/x Data availability crucial to rollups. Depending on the security requirements, we have diff types of DA layers.Proto-Danksharding is vital to next stage of scaling @ethereum. DA panel from @drakefjustin @sreeramkannan @eigenlayer @Jskybowen @CelestiaOrg @dankrad @protolambda
Bonus: #DevCon speaker welcome reception. Looking forward to an amazing @EFDevcon this week.

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More from @jiayaoqi

Sep 25, 2023
1/ 🧵🎮 My tech deep dive:🌍Autonomous Worlds(AW) .
As digital gaming landscape evolves, AW emerge as the vanguard of blockchain gaming. Imagine: decentralized virtual universes powered by blockchain, teeming with community ownership & on-chain gameplay.mirror.xyz/ohotties.eth/Y…
2/ 🕹️ What Exactly are AWs?: AWs are more than just games; they're entire ecosystems on the blockchain. These aren't realms controlled by a single entity but are collectively governed and molded by their user communities. 🛠️🌍
3/ 🔍 Key Features of AW:
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1/ The @BanklessHQ podcast recently hosted a deep dive into the topic of restaking, a complex and emerging area in @ethereum, with @TimBeiko @drakefjustin @VitalikButerin @dankrad @13yearoldvc . Here's a summary of the discussion.
2/ Restaking proposed by @sreeramkannan @eigenlayer involves staking assets in one protocol and then using those staked assets as collateral to stake in another protocol. This process can potentially increase the yield for users and create new opportunities for developers.
3/ Restaking also introduces new risks and challenges, particularly around the potential for systemic risk and the erosion of decentralization. The panelists agreed that restaking is a complex and potentially transformative development in the DeFi space.
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Apr 17, 2023
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May 31, 2022
1) With the boom of dApps including games like @AxieInfinity and NFTs like @apecoin, more app-tailored scaling solutions are urgently needed. Existing L1s and L2s can provide high throughput to some extent,
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3) At Alt Research, with our expertise in sharding, interoperability and rollups, we conduct research in alternative scaling solutions that will lay the foundation for future dApps in Web3.
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