The SuperStacks DeFi program on Optimism's Superchain has concluded with significant achievements:
- $5.95B in cumulative DEX volume
- $250M+ Total Value Locked (TVL)
- 50,000+ active participants providing liquidity
Key Dates for Rewards:
- July 15: XP to OP token exchange opens on app.optimism.io/superstacks
- July 22: Morpho mini app users can claim via World's SuperStacks app
The program featured collaboration across multiple chains including Base, Unichain, and Inkonchain, with major protocols like Uniswap, VelodromeFi, and MorphoLabs providing pools and incentives.
1/The final countdown is on. SuperStacks wraps up today at 23:59PM UTC. You鈥檝e been part of a massive movement showcasing the Superchain DeFi ecosystem and growth of interoperable assets. From July 15th, SuperStacks users can exchange XP for OP via app.optimism.io/superstacks From
Velodrome Finance Expands DeFi Capabilities with Superswaps
Velodrome Finance continues to enhance DeFi functionality on the Superchain through Superswaps implementation. Recent developments show significant growth: - Trading volumes outside OP Mainnet exceeded $100M in consecutive epochs - Platform now enables seamless swaps and liquidity provision across the Superchain network - Integration represents a major step in cross-chain DeFi infrastructure *Velodrome's expansion marks growing momentum in decentralized trading solutions across multiple blockchain networks.*
Optimism Opens Citizenship Registration for Superchain Governance
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

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.
Audit Contest Announcements for Superchain and STRK Staking
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.*