L2 report vol. 17

Paradigm

Published in

Paradigm

10 min readMar 6, 2023

A biweekly update on Layer 2 protocols, 20th February — 6th March

TL;DR

The sum of all funds locked on Ethereum converted to USD is $6.23 B at the time of writing.
Arbitrum One tops Ethereum mainnet in transactions, the first rollup to achieve more transactions in a day than mainnet. Arbitrum’s proposed time boost alternative to first come first served (FCFS) transaction ordering, MEV searchers can buy up to 0.5 second boost for transactions. The team is heading to ETH Denver. Ethereum Attestation Service live on Arbitrum.
Optimism goes m̶u̶l̶t̶i̶ Superchain. Optimism’s Superchain concept: network of OP Chains with shared bridge & communication layer. Optimism announced its second round of Retroactive Public Goods Funding, which dedicates 10m OP tokens. Optimism starter: wagmi, Foundry, RainbowKit & Vite; plus Optimism’s attestation station. Here’s How Bedrock will Bring Significantly Lower Fees to Optimism: This post explores how the Bedrock upgrade will bring 47% reduction in protocol costs and security fees to Optimism Mainnet. Optimism at ETHDenver 2023. Synthetix v3 deployed on mainnet & Optimism. LlamaZip: UniswapV3 router optimized for Optimism by compressing calldata.
Base: Coinbase layer 2 built on Optimism’s OP Stack, live on testnet, transaction fees paid in ETH with a portion of sequencer revenue going to funding public goods.
Introducing Hybrid Rollups: Metis is building the first-ever Hybrid Rollup by combining optimistic rollup architecture with zero-knowledge proofs. zkMIPS and other research challenges for Layer 2. Granary Finance joins Metis Marathon. Congratulations to the first DAOtribution Grants winners.
Polygon zkEVM: The Audit-Upgraded Testnet Is Now Live: The audit-upgraded testnet for Polygon zkEVM is live. Polygon ID Open Source Release Brings Better Digital Trust for All: The Polygon ID team announced 4 tools have been released in the PolygonID Identity Infrastructure to build a more equitable internet that places identity at the center of it. Mercy Corps Ventures and Polygon Labs Partner to Empower Underserved Communities. Ripio Comes to Polygon to Accelerate Blockchain Adoption in Latin America. Consolidating Teams Within Polygon Labs. PLAY! POP! GO! Lifestyle Omniverse Coming to Polygon. Check out the latest Polygon integrations here.
Scroll zkEVM alpha testnet on Goerli announced. Almost 100k unique addresses have deposited 11k GoerliETH to Scroll bridge. Getting started with Scroll zkEVM: A beginner’s guide on how to interact with Layer 2 Dapps. Scroll × ETHDenver 2023.
All Aboard zkSync Era Mainnet: zkEVM is now open to the public for the first time and found its first real-world application using native Account Abstraction. More projects are joining the new zkSync. Here are some updates from the fast-growing ecosystem. Making Global Payments Accessible with Worldpay from FIS: Worldpay from FIS is coming to zkSync Era. Connect with zkSync Era @ ETHDenver.
Watch the latest StarkNet Community Call. STARKDenver Conference 2023 — Defining Onchain Possibilities: StarkDenver took place on Friday during the Ethereum Denver Week and it is said to have been a resounding success. Dolven labs has launched the Testnet version of Starknet Social, a Social Space for the Starknet Ecosystem. The Carmine Options protocol will be using the trustworthy Price Feeds from Empiric Network in order to better structure their Options-trading product. The latest version of “StarkNet React”, an Open-Source Collection of React Hooks for StarkNet, has been shipped. Nostra, a liquidity platform building different DeFi primitives on StarkNet, has submitted a proposal to explore some ways to boost liquidity flows on SN.
ImmutableX becomes a Unity-verified solution and announces Unity SDK: With 1.5M+ monthly users building games across 20+ different platforms, Unity is one of the most popular game engines. Merging with the best of web2, the Immutable Unity SDK is how we will continue to lead web3 gaming. The story of ImmutableX and Illuvium’s partnership: On March 7th, Illuvium: Beyond will launch its configurable NFT collectibles, Illuvitars. Gearing up for one of the largest launches on IMX to date, the Illuvium team has been working diligently behind the scenes, leveraging the power of Immutable scaling solutions to create an amazing final product. Illuvium: Beyond mint checklist — setting up your IMX wallet: In celebration of Illuvium: Beyond, coming soon to IMX, the team will walk you through: ‍The different types of crypto wallets, how to create an IMX Wallet using only an email address, and how ImmutableX benefits gamers.
Twitter Space: Boba Hall. Alan, CEO of Enya Labs, core contributor to Boba Network, was answering questions that have been gathered from the community. Enya Labs — Building the Boba Network » Brave New Coin. Uniswap’s vote to integrate on Boba Network passes with overwhelming support.
ZKSpace 2nd Birthday Event ended: 1183 users completed 4+ tasks, 1000+ Users joined within 30h after the event opened, THX for the support. Check out fees on ZKSpace Layer 2. New blog post: ZKSea vs. ImmutableX: Two ZK-Rollup-Based NFT Platforms.
Rhino.fi launched cross-chain yields, and to celebrate the team is boosting returns on USDT. rhino.fi deploys on zkSync Era Mainnet ahead of the full public launch. Rewards for week 3 have just been distributed to winners of the Arbitrum Charge. Twitter Space: Will one DEX rule all of Arbitrum?
Check out a16z’s release of an Aztec Connect-based implementation of sealed bid auctions. Bringing Privacy To ENS: ChainSafe’s Proposed Integration Using Aztec. Liquity on Aztec: Privacy for the Most Decentralized Stablecoin.
Loophead Drop #5: Earn + Win: The team has 250 Loopheads up for grabs in this Loophead challenge. The contest starts on February 22nd 0:00:00(UTC) and finishes on March 8th 23:59:59(UTC).
Fusion zkRollup: experimental simple rollup in Rust.
Jordi Baylina: provers are not the bottleneck to zk rollup scalability as they can run in parallel.
Patrick McCorry: off-chain systems (Layer 3) on top of rollups.
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 $6.23 B at the time of writing.

How much does it cost to use Layer 2?

Optimistic rollups

Arbitrum One

Arbitrum’s proposed time boost alternative to first come first served (FCFS) transaction ordering, MEV searchers can buy up to 0.5 second boost for transactions.
Arbitrum One tops Ethereum mainnet in transactions, the first rollup to achieve more transactions in a day than mainnet.
The team is heading to ETH Denver.

🚀Live on Arbitrum:

Ethereum Attestation Service live on Arbitrum.
POAP Checkout: sell POAPs for Sybil resistance or income on mainnet & Arbitrum.

Projects based on Optimism’s codebase

Optimism

Optimism Goes m̶u̶l̶t̶i̶ Superchain.
Optimism’s Superchain concept: network of OP Chains with shared bridge & communication layer.
Optimism announced its second round of Retroactive Public Goods Funding, which dedicates 10m OP tokens.
Optimism starter: wagmi, Foundry, RainbowKit & Vite; plus Optimism’s attestation station.
Here’s How Bedrock will Bring Significantly Lower Fees to Optimism: This post explores how the Bedrock upgrade will bring 47% reduction in protocol costs and security fees to Optimism Mainnet.
Optimism at ETHDenver 2023.

🚀Live on Optimism:

Synthetix v3 deployed on mainnet & Optimism.
LlamaZip: UniswapV3 router optimized for Optimism by compressing calldata.
Base: Coinbase layer 2 built on Optimism’s OP Stack, live on testnet, transaction fees paid in ETH with a portion of sequencer revenue going to funding public goods.
Exactly Protocol is now live on Optimism.
CryptoRefills now supports Optimism.

Metis Andromeda

Introducing Hybrid Rollups: Metis is building the first-ever Hybrid Rollup by combining optimistic rollup architecture with zero-knowledge proofs. Hybrid Rollups will combine the unmatched scalability, and EVM compatibility of Optimistic Rollups, with the security, censorship-resistance, and fast finality of Zero-Knowledge Rollups.
zkMIPS and other research challenges for Layer 2.
Granary Finance joins Metis Marathon.
Congratulations to the first DAOtribution Grants winners.

Boba Network

Twitter Space: Boba Hall. Alan, CEO of Enya Labs, core contributor to Boba Network, was answering questions that have been gathered from the community.
Enya Labs — Building the Boba Network » Brave New Coin.
Uniswap’s vote to integrate on Boba Network passes with overwhelming support.

🚀Live on Boba Network:

Megaworld deploys on Boba BNB and sees avg. 10,000 transactions per day since the day of deployment.
Welcome Blockspaces to Boba Network. Build and Scale on Boba Network with free RPC Endpoints through BlockSpaces up to 10M daily transactions.
Tenderly integrated Boba network.

Zero-knowledge rollups

Aztec

Check out a16z’s release of an Aztec Connect-based implementation of sealed bid auctions.
Bringing Privacy To ENS: ChainSafe’s Proposed Integration Using Aztec.
Liquity on Aztec: Privacy for the Most Decentralized Stablecoin.
Blog — Zero knowledge of Aztec — Equilibrium: A look into one of the ZK research projects.

Loopring

Loophead Drop #5: Earn + Win: The team has 250 Loopheads up for grabs in this Loophead challenge. The contest starts on February 22nd 0:00:00(UTC) and finishes on March 8th 23:59:59(UTC).
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: The Audit-Upgraded Testnet Is Now Live: The audit-upgraded testnet for Polygon zkEVM is live.
Polygon ID Open Source Release Brings Better Digital Trust for All: The Polygon ID team announced 4 tools have been released in the PolygonID Identity Infrastructure to build a more equitable internet that places identity at the center of it.
Mercy Corps Ventures and Polygon Labs Partner to Empower Underserved Communities.
Ripio Comes to Polygon to Accelerate Blockchain Adoption in Latin America.
Consolidating Teams Within Polygon Labs.

🚀Live on Polygon:

PLAY! POP! GO! Lifestyle Omniverse Coming to Polygon.
Check out the latest Polygon integrations here.

Scroll

Scroll zkEVM alpha testnet on Goerli announced.
Almost 100k unique addresses have deposited 11k GoerliETH to Scroll bridge.
Getting started with Scroll zkEVM: A beginner’s guide on how to interact with Layer 2 Dapps.
Scroll × ETHDenver 2023.

StarkWare

Watch the latest StarkNet Community Call.
STARKDenver Conference 2023 — Defining Onchain Possibilities: StarkDenver took place on Friday during the Ethereum Denver Week and it is said to have been a resounding success.
Dolven labs has launched the Testnet version of Starknet Social, a Social Space for the Starknet Ecosystem.
The Carmine Options protocol will be using the trustworthy Price Feeds from Empiric Network in order to better structure their Options-trading product.
The latest version of “StarkNet React”, an Open-Source Collection of React Hooks for StarkNet, has been shipped.
Nostra, a liquidity platform building different DeFi primitives on StarkNet, has submitted a proposal to explore some ways to boost liquidity flows on SN.
Scarb 0.1 Release Candidate Welcome to the first release candidate of Scarb v0.1.0.

🚀Powered by StarkWare:

A continually updated list of projects building on StarkNet.

zkSync

All Aboard zkSync Era Mainnet: zkEVM is now open to the public for the first time and found its first real-world application using native Account Abstraction.
More projects are joining the new zkSync. Here are some updates from the fast-growing ecosystem.
Making Global Payments Accessible with Worldpay from FIS: Worldpay from FIS is coming to zkSync Era.
Connect with zkSync Era @ ETHDenver.

ZKSpace

ZKSpace 2nd Birthday Event ended: 1183 users completed 4+ tasks, 1000+ Users joined within 30h after the event opened, THX for the support.
Check out fees on ZKSpace Layer 2.
New blog post: ZKSea vs. ImmutableX: Two ZK-Rollup-Based NFT Platforms.

Validium

Projects build using StarkEx

rhino.fi (previously DeversiFi)

rhino.fi launched cross-chain yields, and to celebrate the team is boosting returns on USDT.
rhino.fi deploys on zkSync Era Mainnet ahead of the full public launch.
Rewards for week 3 have just been distributed to winners of the Arbitrum Charge.
Twitter Space: Will one DEX rule all of Arbitrum?

Immutable X

ImmutableX becomes a Unity-verified solution and announces Unity SDK: With 1.5M+ monthly users building games across 20+ different platforms, Unity is one of the most popular game engines. Merging with the best of web2, the Immutable Unity SDK is how we will continue to lead web3 gaming.
The story of ImmutableX and Illuvium’s partnership: On March 7th, Illuvium: Beyond will launch its configurable NFT collectibles, Illuvitars. Gearing up for one of the largest launches on IMX to date, the Illuvium team has been working diligently behind the scenes, leveraging the power of Immutable scaling solutions to create an amazing final product.
Illuvium: Beyond mint checklist — setting up your IMX wallet: In celebration of Illuvium: Beyond, coming soon to IMX, the team will walk you through: ‍The different types of crypto wallets, how to create an IMX Wallet using only an email address, and how ImmutableX benefits gamers.