L2 report vol. 20

A biweekly update on Layer 2 protocols, 17th April — 1st May

TL;DR

• The sum of all funds locked on Ethereum converted to USD is $9.31 B at the time of writing.
• Validator Performance Tracking: The Arbitrum team explains in detail the different components that make up an Ethereum validator’s reward. They describe common situations that make stakers miss some of these rewards and show how to diagnose the — typically uncommon — scenarios in which there are actual problems with the software and action is required. The Weekly Arbinaut. Twitter Space: Arbitrum x Radiant x Chainlink. Last week, the team hosted their Players Gonna Play series with Zeeverse. The full distribution of the DAO airdrop took place with those that have confirmed receiving the test transaction that was sent earlier. Yesterday both Arbitrum One (1.26m) and Arbitrum Nova (1.18m) processed more transactions than Ethereum (939k). AltLayer was just announced as the first Rollups-as-a-Service provider to support ArbitrumOrbit.
• OP Labs announced the Superchain Token List, a unified token list for application developers and consumers to use when bridging tokens from Ethereum to OP Mainnet, Base, and all future OP chains in the Superchain. On April 27th, Bedrock entered consensus + feature freeze. The team is committed to achieving 2 weeks of code stability before announcing the date for OP Mainnet’s upgrade to Bedrock. For the most up-to-date info on Bedrock, see Mission Control. Karl Floersch step into the role of CEO at OP Labs. Under Karl’s visionary leadership, the team at Labs is primed to drive the protocol into its next phase of technical growth. In the Optimism Gov world, Special Voting Cycle 12a, which approves some exciting new Season 4 initiatives, is live through May 10th. Client diversity coming with Optimism’s Bedrock upgrade: Magi, a16z’s Optimism client in rust; OP-Erigon, a fork of Erigon for Optimism. Otterspace launched the Otterspace Score using the Attestation Station. Clique announced another identity-related special OPeration.
• Blast, Bware Labs API now integrated with Metis: Metis endpoints are now accessible through Blast API, improving the reliability and speed of the platform. Direct withdrawals to Metis Andromeda are now available for Crypto.com. Metis Community Call.
• BobaBNB officially hit 3M transactions. Twitter Space: Secrets of Layer2 on BNB Chain. Boba Network announced a partnership with Obvious: You can now have cross-chain transactions, notifications, multi-wallet connection and more. Boba Network’s Account Abstraction Series: Experience the revolution in Web3 UX on Boba ETH with the future implementation of Account Abstraction. Unleash its power and build the next viral DApp. Tutorial — How to use Boba Network’s Bridge.
• The second wave of Aztec grants is now live. Noxx announced that they are a recipient of an Aaztec network grant. Reminder that users affected by the Euler finance exploit can now redeem funds deposited on Aztec Connect. Aztec engineers have been hard at work building a custom withdrawal solution for affected users. Here’s how to withdraw. Aztec first progress report w/ Aragonzk on Nouns Private Voting Research Sprint is out. Episode 273: History of Plonk, Noir, and the building of Aztec 3: In this episode, host Anna Rose sits down with Zac Williamson, the CEO of Aztec. Anna and Zac dive deep into the history of Plonk, one of the most important proving systems to emerge in the last 5 years.
• Polygon bridge for Polygon zkEVM announced: ‍Polygon Bridge for zkEVM offers nearly the same user experience as its counterpart for Polygon PoS, but some things will work a little bit differently. The bridge comes with a number of UX improvements that incorporate feedback received from the community and include a more visible progress bar, transaction history, and recent transaction panel with color-coded completion status, time estimates for pending transactions and the ability to filter. How to Bridge to Polygon zkEVM Mainnet Beta in 3 Easy Steps. Polygon Miden: Transaction Model: Polygon Miden extends Ethereum’s feature set — so how do transactions work? Bounty program for PIP submissions is here. Purple Press Developer Dispatch 02. Is Polygon zkEVM EVM-Equivalent?
• Minor infra updates: Scroll upgraded apps to etherjs v6 for better error handling and made minor improvements to the user-facing side. Last week, Scroll participated in multiple events at HK web3 festival: Here’s a small recap. On the ZK side, the team has made some progress on HyperZexe, the recursive HyperPlonk implementation — more details soon. They are also working on supporting the Shanghai EIPs. Some more bounties up for grabs. Symbiosis is integrating Scroll into Symbiosis testnet.
• zkSync Era’s native account abstraction equips developers with UX superpowers to onboard the first billion users to web3. Here’s what native AA unlocks for builders and how to use it on zkSync Era. The era of easy autocompounding earnings on zkSync begins with Beefy. Twitter Space: DeFi on zkSync Era ft. DeFi Dad, Maverick, Liquity and Mute.io. LayerZero is now live on zkSync Era mainnet. 1inch is live on zkSync Era. WOOFi has officially deployed on zkSync Era mainnet. Maverick’s arrived on zkSync.
• Starknet goals and roadmap for 2023: Focus on performance and UX. StarkEx V5.0 for Spot Trading is Here: Supporting: Multi-asset trading, and ERC-1155 and ERC-20 token minting. Starknet book, devs Cairo adventure kicks off. Videos: Starknet Basecamp: Deep Dive; Starknet Basecamp (Session 1): Fundamentals; A Cambrian Explosion of Cryptographic Proofs — Eli Ben-Sasson. Starknet ecosystem presented its new community campaign, StarkFighter. With performance and UX as the current focus, Starknet’s timeline is here. Meet Starkware with Manmit Singh, Tue, May 2.
• The latest dYdX Foundation Community Town Hall. Podcast: DeFi Transparency and Governance with Antonio Juliano at dYdX. Why Decentralization Matters: Understanding the benefits and trade-offs of decentralized systems is essential to crafting policies that will adequately protect consumers while allowing innovation to progress in a positive manner. Read more about why decentralization matters here. Callen Van Den Elst from Wintermute discusses some of the V4 Vanguard proposals that have been submitted and the status of these proposals. The community has voted to fix the V3 Starkware data availability bug and to increase the max funding rate (8h) to 4%. The new StarkEx Explorer for dYdX. Stay up to date with the latest governance conversations and participate in forum discussions.
• Rhino.fi DVF token supply transparency update: An update on the DVF token circulating supply and DVF holdings of the DVF DAO & Rhino Labs, including a Rhino Labs DVF buy-back disclosure and plans for increased DVF alignment with the growth of new DeFi frontiers. Real Yield and Sommelier Finance: A technical deep dive. Twitter Space: Scaling Ethereum one Block at a Time.
• Looprong Red Packets 2.0: Taking NFTs mainstream: You can now send over 1 million NFTs for under $.50 — unlocking endless possibilities for gaming, ticketing, airdrops + more. Check out the knowledge base for all things Loopring L2.
• Immutable x EON Rift: Trailblazing the New Era of Gaming IP: EON RIFT is a tokenized comic, video games, and collectibles IP project created by Leri Greer, a veteran art director and senior creative behind some of Hollywood’s biggest movies like Avatar 1–5, Mad Max Fury Road, and Elysium. Kaidro the Game x Immutable: An Epic Transmedia Storytelling Experience: As Gadget-Bot crafts an ever-expanding, story-rich universe, Immutable will provide the necessary resources to bring this incredible storytelling experience to the masses. The Future of Web3 Gaming: Onboarding A Billion Gamers: With innovative solutions like Immutable zkEVM, Immutable X, and Immutable Passport, the team is laser focused on making web3 gaming more accessible, enjoyable, and rewarding for players worldwide. Three Rising Play-To-Earn NFT Games Built on Immutable. What is the Immutable Marketplace and How Does it Work? The Difference Between Web3 vs Web2 Gaming Explained.
• EIP-4844 (Proto-Danksharding) is coming to Ethereum. Rollup-fees are predicted to decrease by ~ 20. Here’s everything you need to know, explained simply.
• Overview of dankscaling: proposal to use 25% of samples for reconstruction.
• Proposal for cross-layer communication using a precompile to read the Layer 1 state root.
• Zator: verified inference of a 512-layer neural network using recursive SNARKs.
• State of zk-apps in Ethereum.
• What can you do with zk-ECDSA at the app layer?
• L2 stats. Check out how much it costs to use Layer 2.
• And more!

Stats

• The sum of all funds locked on Ethereum converted to USD is $9.31 B at the time of writing.

Source.

Source.

How much does it cost to use Layer 2?

Source.

Optimistic rollups

Source.

Arbitrum One

• Validator Performance Tracking: The Arbitrum team explains in detail the different components that make up an Ethereum validator’s reward. They describe common situations that make stakers miss some of these rewards and show how to diagnose the — typically uncommon — scenarios in which there are actual problems with the software and action is required.
• The Weekly Arbinaut.
• Twitter Space: Arbitrum x Radiant x Chainlink.
• Yesterday both Arbitrum One (1.26m) and Arbitrum Nova (1.18m) processed more transactions than Ethereum (939k).
• Last week the team hosted their Players Gonna Play series with Zeeverse.
• The full distribution of the DAO airdrop took place with those that have confirmed receiving the test transaction that was sent earlier last week.
• AltLayer was just announced as the first Rollups-as-a-Service provider to support ArbitrumOrbit.

🚀Live on Arbitrum:

• DGG Network is launching on Arbitrum.
• Vertex is now live on the Arbitrum mainnet.
• A3S Protocol is launching on Arbitrum.
• Symbiosis just integrated Arbitrum.

Projects based on Optimism’s codebase

Optimism

• OP Labs announced the Superchain Token List, a unified token list for application developers and consumers to use when bridging tokens from Ethereum to OP Mainnet, Base, and all future OP chains in the Superchain.
• On April 27th, Bedrock entered consensus + feature freeze. The team is committed to achieving 2 weeks of code stability before announcing the date for OP Mainnet’s upgrade to Bedrock. For the most up-to-date info on Bedrock, see Mission Control.
• Karl Floersch steps into the role of CEO at OP Labs. Under Karl’s visionary leadership, the team at Labs is primed to drive the protocol into its next phase of technical growth.
• In the Optimism Gov world, Special Voting Cycle 12a, which approves some exciting new Season 4 initiatives, is live through May 10th.
• Client diversity coming with Optimism’s Bedrock upgrade:

-Magi, a16z’s Optimism client in rust.

-OP-Erigon, a fork of Erigon for Optimism.

• Hundred hacked for 7.4m on Optimism, due to poorly deployed fork of compound v2.

🚀Live on Optimism:

• Otterspace launched the Otterspace Score using the Attestation Station.
• Clique announced another identity-related special OPeration.

Metis Andromeda

• Blast, Bware Labs API now integrated with Metis: Metis endpoints are now accessible through Blast API, improving the reliability and speed of the platform.
• Direct withdrawals to Metis Andromeda are now available for Crypto.com.
• February in Metis Andromeda.
• Metis Community Call.

Boba Network

• BobaBNB officially hit 3M transactions.
• Twitter Space: Secrets of Layer2 on BNB Chain.
• Boba Network announced a partnership with Obvious: You can now have cross-chain transactions, notifications, multi-wallet connection and more.
• Boba Network’s Account Abstraction Series: Experience the revolution in Web3 UX on Boba ETH with the future implementation of Account Abstraction. Unleash its power and build the next viral DApp.
• Tutorial — How to use Boba Network’s Bridge.

🚀Live on Boba Network:

• Welcome Subsquid to Boba Network.

Zero-knowledge rollups

Source.

Aztec

• The second wave of Aztec grants is now live.
• Noxx announced that they are a recipient of an Aaztec network grant.
• Reminder that users affected by the Euler finance exploit can now redeem funds deposited on Aztec Connect. Aztec engineers have been hard at work building a custom withdrawal solution for affected users. Here’s how to withdraw.
• Aztec first progress report w/ Aragonzk on Nouns Private Voting Research Sprint is out.
• Episode 273: History of Plonk, Noir, and the building of Aztec 3: In this episode, host Anna Rose sits down with Zac Williamson, the CEO of Aztec. Anna and Zac dive deep into the history of Plonk, one of the most important proving systems to emerge in the last 5 years. Zac explains how the initial ideas came to be, how it was developed with co-author Ariel Gabizon, and how the system has evolved over time, branching out into many different iterations of Plonk, leading up to his recent work on Goblin Plonk. The conversation also touches on Aztec’s cutting-edge technology stack, including their Noir zkDSL and their planned private programmable L2, Aztec 3. Zac shares his insights on the state of ZK applications and folding schemes, and provides a glimpse into the future of the ZK space.

Loopring

• Looprong Red Packets 2.0: Taking NFTs mainstream: You can now send over 1 million NFTs for under $.50 — unlocking endless possibilities for gaming, ticketing, airdrops + more.
• Check out the knowledge base for all things Loopring L2.

Polygon

• Polygon bridge for Polygon zkEVM announced: ‍Polygon Bridge for zkEVM offers nearly the same user experience as its counterpart for Polygon PoS, but some things will work a little bit differently. The bridge comes with a number of UX improvements that incorporate feedback received from the community and include a more visible progress bar, transaction history, and recent transaction panel with color-coded completion status, time estimates for pending transactions and the ability to filter.
• How to Bridge to Polygon zkEVM Mainnet Beta in 3 Easy Steps.
• Polygon Miden: Transaction Model: Polygon Miden extends Ethereum’s feature set — so how do transactions work?
• Bounty program for PIP submissions is here.
• Purple Press Developer Dispatch 02.
• Is Polygon zkEVM EVM-Equivalent?

🚀Live on Polygon:

• Check out the latest Polygon integrations here.
• Franklin Templeton Money Market Fund launches on Polygon Blockchain.

Scroll

• Minor infra updates: Scroll upgraded apps to etherjs v6 for better error handling and made minor improvements to the user-facing side.
• Last week Scroll participated in multiple events at HK web3 festival: Here’s a small recap.
• On the ZK side, the team has made some progress on HyperZexe, the recursive HyperPlonk implementation — more details soon. They are also working on supporting the Shanghai EIPs.
• Some more bounties up for grabs.
• Symbiosis is integrating Scroll into Symbiosis testnet.

StarkWare

• Starknet goals and roadmap for 2023: Focus on performance and UX.
• StarkEx V5.0 for Spot Trading is Here: Supporting: Multi-asset trading, and ERC-1155 and ERC-20 token minting.
• Starknet book, devs Cairo adventure kicks off.
• Starknet Basecamp: Deep Dive.
• Starknet Basecamp (Session 1): Fundamentals.
• Starknet ecosystem presented its new community campaign, StarkFighter.
• A Cambrian Explosion of Cryptographic Proofs — Eli Ben-Sasson.
• With performance and UX as the current focus, Starknet’s timeline is here.
• Meet Starkware with Manmit Singh, Tue, May 2.

🚀Powered by StarkWare:

• A continually updated list of projects building on StarkNet.
• Brine launches on StarkEx.

zkSync

• zkSync Era’s native account abstraction equips developers with UX superpowers to onboard the first billion users to web3. Here’s what native AA unlocks for builders and how to use it on zkSync Era.
• The era of easy autocompounding earnings on zkSync begins with Beefy.
• Twitter Space: DeFi on zkSync Era ft. DeFi Dad, Maverick, Liquity and Mute.io.

🚀Live on zkSync

• LayerZero is now live on zkSync Era mainnet.
• 1inch is live on zkSync Era.
• WOOFi has officially deployed on zkSync Era mainnet.
• Maverick’s arrived on zkSync.
• Tevaera mainnet is now live on zkSync Era.

ZKSpace

ZKSpace in April:

• Roadmap updated: zks.org
• New products under developing
• New UI for /zks.org
• Partnership with NuLink ,SaaSGo
• Attended HK Web3Festival
• ZNS airdrop with OKX, AMA with Sin7y Labs, Omnia Protocol

Projects built using StarkEx

dYdX

• The latest dYdX Foundation Community Town Hall.
• Podcast: DeFi Transparency and Governance with Antonio Juliano at dYdX.
• Why Decentralization Matters: Understanding the benefits and trade-offs of decentralized systems is essential to crafting policies that will adequately protect consumers while allowing innovation to progress in a positive manner. Read more about why decentralization matters here.
• Callen Van Den Elst from Wintermute discusses some of the V4 Vanguard proposals that have been submitted and the status of these proposals.
• The community has voted to fix the V3 Starkware data availability bug and to increase the max funding rate (8h) to 4%.
• The new StarkEx Explorer for dYdX.
• Stay up to date with the latest governance conversations and participate in forum discussions.

Validium

Source.

Projects build using StarkEx

Rhino.fi (previously DeversiFi)

• Rhino.fi DVF token supply transparency update: An update on the DVF token circulating supply and DVF holdings of the DVF DAO & Rhino Labs, including a Rhino Labs DVF buy-back disclosure and plans for increased DVF alignment with the growth of new DeFi frontiers.
• Real Yield and Sommelier Finance: A technical deep dive.
• Bridges in DeFi: what role do they play?
• How safe are bridges in crypto?
• Twitter Space: Scaling Ethereum one Block at a Time.

Immutable X

• EON Rift x Immutable: Trailblazing the New Era of Gaming IP: EON RIFT is a tokenized comic, video games, and collectibles IP project created by Leri Greer, a veteran art director and senior creative behind some of Hollywood’s biggest movies like Avatar 1–5, Mad Max Fury Road, and Elysium.
• Kaidro the Game x Immutable: An Epic Transmedia Storytelling Experience: As Gadget-Bot crafts an ever-expanding, story-rich universe, Immutable will provide the necessary resources to bring this incredible storytelling experience to the masses.
• The Future of Web3 Gaming: Onboarding A Billion Gamers: Immutable is revolutionizing the gaming industry by bridging the gap between traditional gaming and web3. With innovative solutions like Immutable zkEVM, Immutable X, and Immutable Passport, the team is laser-focused on making web3 gaming more accessible, enjoyable, and rewarding for players worldwide.
• Three Rising Play-To-Earn NFT Games Built on Immutable: The team is deeply committed to powering the next generation of Web3 games. Immutable has cemented itself as the leading layer two scaling solution for NFT games and the broader Web3 ecosystem.
• What is the Immutable Marketplace and How Does it Work?
• The Difference Between Web3 vs Web2 Gaming Explained.

MISC

• EIP-4844 (Proto-Danksharding) is coming to Ethereum. Rollup-fees are predicted to decrease by ~ 20. Here’s everything you need to know, explained simply.
• Overview of dankscaling: proposal to use 25% of samples for reconstruction.
• Proposal for cross-layer communication using a precompile to read the Layer 1 state root.
• Zator: verified inference of a 512-layer neural network using recursive SNARKs.
• State of zk-apps in Ethereum.
• What can you do with zk-ECDSA at the app layer?

That’s all for today! Your feedback is highly appreciated! Let us know what you think about the format & content.

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