TL;DR

• The sum of all funds locked on Ethereum converted to USD is $6.21 B at the time of writing.
• Arbitrum announced Stylus (“EVM+”) programming environment — supporting C, C++ and Rust for faster, cheaper and more powerful apps. Prysm Updates Q1’23: quarterly updates on what is going on in the protocol layer world and what the Arbitrum team has been working on. Overtime (sports markets) expands to Arbitrum. Avault deploys on Arbitrum. POKT network launches support for Arbitrum.
• Optimism delays Bedrock upgrade vote to resolve issues from bounty contest. It has been rescheduled to the voting Cycle 11 (March 2 — April 5) in order to give governance ample time to review code changes. Optimism airdrop №2. 11.7M OP distributed to over 300k wallets. Optimism Retro Public Good round 2 nominations close with over 260 nominations Results announced in March. Binance adds support for BUSD on Optimism.
• Polygon zkEVM announced the beta launch on March 27. The PolygonZK zkEVM testnet hits 300k txs. Meet the winners of Polygon @The Pit Accelerator. Bollywood NFTs are coming to Polygon with Shemaroo’s Web3 Debut. Rethinking play-to-earn: What comes after crypto cats, NFT shoes and overpriced monsters.
• zkSync 2.0 testnet regenesis completed, paving the way for Fair Onboarding Alpha. A new era with Alex Gluchowski, Anthony Rose, and Ramon Canales. The team has teamed up with buidlbox to create a series of community-first, virtual, async hackathons.
• Metis Tech Update — January 2023: Preparation for the upcoming Bedrock upgrade, Andromeda explorer quality of life improvements, Sequencer crash fixes, latest Blockscout compatibility, and more. Contribution and Reputation-based Governance Structure. Metis launches its DAOtribution Grants Campaign on KORIS.
• Read about the all-new Quantum RNG by API3, being deployed to Boba ETH L2 chain. All Boba mainnets have been upgraded to accommodate new features to release v0.4.0. The community voted to deploy Uniswap v3 on Boba Network.
• Aztec is coming to Ethereum Denver. Aztec network launches private borrowing via Liquity Protocol.
• StarkWare open-sources the StarkNet Prover as part of the decentralization roadmap. Chainlink oracles will be deployed on StarkNet in the near future. StarkWare is partnering with Chainlink as part of the SCALE program to give low-cost & reliable oracle access to StarkNet developers. Argent upgrades Argent X StarkNet wallet with 2FA. The team announces a new seedless & self-custodial web wallet for StarkNet that can be used with just an email address.
• Layerswap On-Ramp Announcement: The Immutable team announced that the Layerswap on-ramp is officially live on the Immutable Core SDK. The Layerswap on-ramp feature enables users with funds on centralized exchanges to instantly on-ramp ETH, IMX, and USDC into Immutable’s platform. Rooniverse and ImmutableX: Bringing The Most Savage Hyper Royalte to Web3: ImmutableX will provide the tooling and infrastructure needed to scale Rooniverse to the masses. Titans of War historical trading cards game launched on Immutable.
• Community Ambassadors + Builders Initiative: Winners + Update: In December 2022, Loopring announced the new initiative, with the intention of recognizing and rewarding those who contribute to the growth of the Loopring L2 ecosystem. Now they expand upon this by making this initiative an entry point and path to potentially acquiring a part-time or full-time position on the Loopring team or within the Loopring ecosystem. As Loopring L2 continues to get a big influx of new users each week, please be sure to check out their knowledge base for all things Loopring L2.
• Scroll implemented a Halo2 API to parallelize witness assignment, reducing proving times even further. The team also introduced an optimization to store Keccak and Poseidon code hashes in the MPT. A lot of work has been going on behind the scenes as Scroll prepares for ETHDenver. Daniel Helm gave a crash course on Scroll during ETHKL1’s inaugural Mini Hack. Scroll: A ZK Contender with EVM Equivalence (GM RADIO).
• Anniversary Rules included — How to trade, pay & earn on ZKSpace: ZKSpace is welcoming its 2nd birthday.
• Introducing Rhino referrals: The first-ever referral scheme is now live. Become an OG and earn guaranteed rewards while your friends charge into DeFi. Rhino.fi launches Arbitrum Charge event — One month of tasks & quests focused on the Arbitrum ecosystem.
• Patrick McCorry: decentralizing a rollup needs to ensure one honest party can send all potential decisions to the contract bridge when the system is under attack by an adversary.
• EF Layer 2 grants round recipients, $948k to 22 projects.
• Coinbase adds send & receive for ETH & DAI on Arbitrum.
• 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 $6.21 B at the time of writing.

Source.

Source.

How much does it cost to use Layer 2?

Source.

Optimistic rollups

Source.

Arbitrum One

• Arbitrum announced Stylus (“EVM+”) programming environment — supporting C, C++ and Rust for faster, cheaper, and more powerful apps.
• Prysm Updates Q1’23: quarterly updates on what is going on in the protocol layer world and what the Arbitrum team has been working on.

🚀Live on Arbitrum:

• Overtime (sports markets) expands to Arbitrum.
• Avault deploys on Arbitrum One — a one-stop omnichain yield platform, powered by LayerZero Labs.
• POKT network launches support for Arbitrum One — battle-tested & reliable decentralized RPC infrastructure governed by the Pocket DAO.
• Silo Finance risk-issolated money markets and stablecoin launches on Arbitrum.
• RAILGUN announces plans to support Arbitrum — privacy via zk.
• Bluefin perps trading launches on Arbitrum One.
• Metaline metaverse SLG SIM strategy sailing game launches on Arbitrum One.

Projects based on Optimism’s codebase

Optimism

• Optimism delays Bedrock upgrade vote to resolve issues from bounty contest. It has been rescheduled to the voting Cycle 11 (March 2 — April 5) in order to give governance ample time to review code changes.
• Optimism airdrop №2. 11.7M OP distributed to over 300k wallets.
• Optimism Retro Public Good round 2 nominations close with over 260 nominations Results will be announced in March.
• Binance adds support for BUSD on Optimism.

Metis Andromeda

• Metis Tech Update — January 2023: Preparation for the upcoming Bedrock upgrade, Andromeda explorer quality of life improvements, Sequencer crash fixes, latest Blockscout compatibility, and more.
• Contribution and Reputation-based Governance Structure.
• Metis launches its DAOtribution Grants Campaign on KORIS.

Boba Network

• Read about the all-new Quantum RNG by API3, being deployed to Boba ETH L2 chain.
• All Boba mainnets have been upgraded to accommodate new features to release v0.4.0.
• Community votes to deploy Uniswap v3 on Boba Network.

Zero-knowledge rollups

Source.

Aztec

• Aztec is coming to Ethereum Denver.
• Aztec network launches private borrowing via Liquity Protocol.

Loopring

• Community Ambassadors + Builders Initiative: Winners + Update: In December 2022, Loopring announced the new initiative, with the intention of recognizing and rewarding those who contribute to the growth of the Loopring L2 ecosystem. Now they expand upon this by making this initiative an entry point and path to potentially acquiring a part-time or full-time position on the Loopring team or within the Loopring ecosystem.
• As Loopring L2 continues to get a big influx of new users each week, please be sure to check out their knowledge base for all things Loopring L2.

Polygon

• Polygon zkEVM announced the beta launch on March 27.
• The PolygonZK zkEVM testnet hits 300k txs.
• Meet the winners of Polygon @The Pit Accelerator.
• Bollywood NFTs are coming to Polygon with Shemaroo’s Web3 Debut.
• Rethinking play-to-earn: What comes after crypto cats, NFT shoes and overpriced monsters.

🚀Live on Polygon:

• Check out the latest Polygon integrations here.

Scroll

• Scroll implemented a Halo2 API to parallelize witness assignment, reducing proving times even further. The team also introduced an optimization to store Keccak and Poseidon code hashes in the MPT.
• A lot of work has been going on behind the scenes as Scroll prepares for ETHDenver.
• Daniel Helm gave a crash course on Scroll during ETHKL1’s inaugural Mini Hack.
• Scroll: A ZK Contender with EVM Equivalence (GM RADIO).

StarkWare

• StarkWare open-sources the StarkNet Prover as part of decentralization roadmap.
• Chainlink oracles will be deployed on StarkNet in the near future. StarkWare is partnering with Chainlink as part of the SCALE program to give low-cost & reliable oracle access to StarkNet developers.
• Argent upgrades Argent X StarkNet wallet with 2FA. The team announces a new seedless & self-custodial web-wallet for StarkNet that can be used with just an email address.

🚀Powered by StarkWare:

• A continually updated list of projects building on StarkNet.

zkSync

• zkSync 2.0 testnet regenesis completed, paving the way for Fair Onboarding Alpha.
• A new era with Alex Gluchowski, Anthony Rose, and Ramon Canales.
• The team has teamed up with buidlbox to create a series of community-first, virtual, async hackathons.

ZKSpace

• Anniversary Rules included — How to trade, pay & earn on ZKSpace: ZKSpace is welcoming its 2nd birthday.

Projects build using StarkEx

dYdX

• dYdX 2022 Ecosystem Annual Report.
• The Genesis Collection: Unleash your trading potential with high-quality apparel, hats, and accessories from dYdX.

Validium

Source.

Projects build using StarkEx

rhino.fi (previously DeversiFi)

• Introducing Rhino referrals: The first-ever referral scheme is now live. Become an OG and earn guaranteed rewards while your friends charge into DeFi.
• Rhino.fi launches Arbitrum Charge event — One month of tasks & quests focused on the Arbitrum ecosystem.

Immutable X

• Layerswap On-Ramp Announcement: The Immutable team announced that the Layerswap on-ramp is officially live on the Immutable Core SDK. The Layerswap on-ramp feature enables users with funds on centralized exchanges to instantly on-ramp ETH, IMX, and USDC into Immutable’s platform.
• Rooniverse and ImmutableX: Bringing The Most Savage Hyper Royalte to Web3: ImmutableX will provide the tooling and infrastructure needed to scale Rooniverse to the masses.
• Titans of War historical trading cards game launched on Immutable.

MISC

• EF Layer 2 grants round recipients, $948k to 22 projects.
• Coinbase adds send & receive for ETH & DAI on Arbitrum.
• Patrick McCorry: decentralizing a rollup needs to ensure one honest party can send all potential decisions to the contract bridge when the system is under attack by an adversary.

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