Background

Optimism

Fast, stable, scalable Ethereum.

Integrationstwitter

Optimism Distributes 2.6M OP Tokens in June Retro Funding Round

Mon 14th Jul 2025
Optimism's latest Retro Funding round distributed 2.6M OP tokens to support blockchain development: - 154 onchain applications received funding - 89 developer tools were rewarded - Total of 8M OP allocated in last 3 months - 8M OP remains available this season The initiative continues to support builders creating impact on the Superchain. Developers can check eligibility and apply through the [Atlas platform](https://atlas.optimism.io/). [View detailed results](https://atlas.optimism.io/round/results?rounds=7,8)
Community article

World is scaling ZK on the Superchain

Mon 14th Jul 2025
ZKsync is advancing its mission to scale Ethereum through ZK technology in 2025. The project aims to create an elastic network with these key features: - Limitless scalability - Full interoperability - Enhanced security The team is focused on making ZKsync the definitive Ethereum scaling solution while preserving Ethereum's core values of innovation, collaboration, and freedom. [Read the full announcement](https://zksync.mirror.xyz/QG2Xr4lQdJTbyjeKftPVc6-pj2t9-H9WEGnvCcnusck)

Chainlink Services Now Live on OP Mainnet

Mon 14th Jul 2025
OP Mainnet has officially joined Chainlink SCALE program, aligning with other Optimism superchain networks like Base and Soneium. Key updates: - Data Streams now operational - Chainlink Functions enabled - VRF (Verifiable Random Function) available These integrations allow developers to build more sophisticated applications using Chainlink's complete suite of services on OP Mainnet. The move represents a significant expansion of Web3 infrastructure on the Optimism ecosystem.

Optimism Opens Citizenship Registration for Superchain Governance

Mon 23rd Jun 2025
Optimism Collective announces its H2 strategic goal: achieving $100M monthly in cross-chain asset transfers across interoperable Stage 1 chains. The Citizens House introduces three stakeholder groups: - Top 15 chains by revenue - Top 100 apps by gas fees - End-users with verified activity Key registration requirements: - End-users must prove human status via WorldCoin - Limited spots available - Sybil protection through HumanPassport screening This follows Optimism's recent $2M bug bounty extension for Superchain protocol upgrades, which has already paid out $2.6M since 2022. [Register for citizenship](http://atlas.optimism.io/citizenship)

Superchain Interop Incubator Shows Progress

Thu 24th Apr 2025
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.
Community article

Audit Contest Announcements for Superchain and STRK Staking

Thu 27th Mar 2025
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 Interop Launches, Unifying Cross-Chain Experience

Mon 3rd Mar 2025
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.

Supersim Workshop: Prepare for Superchain Interop

Tue 15th Oct 2024
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
Community article

Unichain Joins Optimism's Superchain

Thu 10th Oct 2024
**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.

OP Stack: Open-Source Blockchain Framework for Ethereum Scaling

Mon 7th Oct 2024
The OP Stack, a blockchain framework designed to scale Ethereum, has been modular and open-source since its inception. Despite its name, it's not limited to optimistic rollups. - Helps developers scale Ethereum - Modular and open-source architecture - Versatile beyond optimistic rollups The community is eager to see how developers will utilize the OP Stack to innovate and expand Ethereum's capabilities. **Let's continue building together and push the boundaries of blockchain technology.**
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