Optimism

The Superchain ecosystem continues to expand with the OP Stack emerging as the dominant L2 solution. Key metrics include: - 50+ chains and $17B+ in TVL - 6 of top 10 L2s running OP Stack - Powers 70% of all L2 transactions Recent developments: - Four networks (OP Mainnet, Base, Unichain, Ink) reached Stage 1 decentralization - Flashblocks upgrade reducing transaction times to ~200ms - Native interop features coming this summer - Growing number of teams joining Superchain Incubator The platform emphasizes security, speed, and seamless cross-chain interactions while maintaining Ethereum compatibility.

Sake Finance has been announced as the latest addition to SuperStacks' core app partners, joining Velodrome Finance and Uniswap. Key updates: - Sake pools are now active and eligible for Superchain XP - Users can simultaneously earn yield and XP through SuperStacks - New exclusive pools available on the platform The integration expands SuperStacks' DeFi ecosystem on the Superchain network, offering users additional opportunities for yield generation while earning experience points. Visit [SuperStacks](https://app.optimism.io/superstacks) to explore the new pools.

Worldcoin's mini app ecosystem demonstrates sustained growth on the Superchain platform. The system allows developers to Vibe-code applications and immediately access a network of verified users upon launch. A notable example is the PoolTogether Mini App, which has attracted over 27,000 verified users through the Worldcoin App Store. **Key Features**: - Immediate access to verified users - Simplified app development through Vibe-code - Integration with Worldcoin App Store - Built on Superchain infrastructure

The Ethereum Superchain is receiving major upgrades this week with the Pectra implementation. Key improvements include: - Smart wallet enhancements (EIP-7702) - Reduced transaction fees through blob integration - Streamlined user experience with fewer clicks Additional upgrades planned for this year: - Flashblocks technology making chains 10x faster - Superchain Interoperability enabling cross-chain communication These changes aim to make Ethereum more user-friendly and scalable while maintaining stability.

Optimism has launched SuperStacks on the Superchain, offering users a dual-reward opportunity through yield farming and XP accumulation. - Users can participate in exclusive pools - Rewards include both yield returns and experience points - Platform aims to incentivize active participation in the ecosystem Get started with SuperStacks: [Official Documentation](https://optimism.mirror.xyz/VcgOzzYe4iQ_Ouh5cs9AWPuStZn8xQEH2PvUw8JkFYk) [Participation Portal](https://app.optimism.io/superstacks)

Optimism's Retro Funding Season 7 distributed 2.6M OP tokens across two key categories: - **Dev Tooling**: 1.3M OP shared among 72 open-source tools including OpenZeppelin, Ethers.js, and Hardhat - **Onchain Builders**: 1.3M OP awarded to 120 protocols, with notable mentions: - Aerodrome: $789M TVL on Base - ERC-4337: 6.1M user operations processed - 18% transaction growth from February *12M OP remains available* this season. Builders can apply at [Atlas Platform](https://atlas.optimism.io/missions) The program rewards proven impact with no gatekeepers - only onchain proof required.

Two major audit contests have been announced for blockchain security: - **Superchain Security Contest** Open invitation for whitehats and developers to audit code for secure interoperability [Contest Details](https://cantina.xyz/competitions/44b385bf-e51a-4e6c-b3a8-adbbe24d16e1) - **STRK Staking Contract Audit** CodeHawks contest starting April 4th Prize pool: $80k USDC KYC required [Registration Link](https://codehawks.cyfrin.io/c/2025-04-starknet-part-2) *Both contests offer opportunities for security researchers to contribute to blockchain infrastructure security.*

Superchain interoperability has officially launched, enabling seamless interaction between previously fragmented blockchain networks. Key features: - Cross-chain event reading without additional trust requirements - Single integration point for developers - Universal access to assets and users across the Superchain - Elimination of manual network switching and bridge hunting The system creates a unified blockchain experience that functions as a single cohesive network, significantly simplifying both development and user experience.

Attention app developers: Prepare for Superchain Interop with Supersim, a lightweight tool for local Superchain simulation. Key features include: - Developer-friendly interface - Local Superchain simulation - L2 to L2 message passing testing - Cross-chain feature and app flow iteration **Workshop Details:** - Date: October 23, 2024 - Time: 1800 UTC - Host: @allam_hamdi Supersim allows developers to simulate cross-chain application flows, message passing infrastructure, and OP Stack logic with a single command. This enables local observation of cross-chain interactions and multi-chain app iteration. Register for the workshop: https://lu.ma/interopworkshops Get started with Supersim: https://docs.optimism.io/builders/app-developers/tools/supersim

**Uniswap community chooses Optimism** for Unichain, citing: - Battle-tested, open-source technology - Superchain's network effects and interoperability roadmap - Shared goal of scaling Ethereum **Key features of Unichain:** - Built on OP Stack - 1-second confirmation times (aiming for 250ms) - Optimized for cross-chain liquidity - Supports Superchain Interop-compatible ERC20s **Benefits:** - Fast, low-cost transactions - Seamless cross-chain asset and data movement - Contributes to Optimism Collective **Call-to-Action:** Learn more about Superchain Interop and mint a commemorative NFT.