Optimism, a layer-2 scaling solution for Ethereum, has announced the launch of MetaDEX, a decentralized exchange (DEX) on its Superchain. MetaDEX aims to serve as a central trading and liquidity marketplace, facilitating growth and qualification for on-chain builders within the Optimism ecosystem.
The MetaDEX of the Superchain is here to help onchain builders grow and qualify. 🚵♀️
Details for Retro Funding Round 4 are here. The Optimism Collective is allocating 10M OP to reward Superchain builders.
Velodrome Liquidity Pool Rewards Update

Velodrome's latest Slipstream LP rewards show strong yields across multiple pairs: - ASTR-USDC.e offering ~571% APR - ASTR-WETH at ~417% APR - oUSDT-WETH yielding ~326% APR - USDT0-WBTC providing ~195% APR These rates reflect Velodrome's continued dominance as the primary DEX across 8 chains on the Optimism Superchain. Recent volume metrics show consistent growth, with cumulative trading reaching $31B and daily volumes regularly exceeding $100M.
Relay Contract Vulnerability Results in $250k Griefing Attack
A vulnerability in Relay's permissionless contract calls allowed griefing attacks during specific Wednesday time windows. The issue affected both OP Mainnet (~$80k) and Base (~$170k) networks. Key points: - User funds remained secure throughout - No smart contract exploitation occurred - Issue resolved via contract call permission updates - Affected partners notified The team will release a detailed incident report and continue coordination with relevant stakeholders.
Soneium ACS Rewards Distribution Goes Live
After a 100+ day campaign period, Soneium has begun distributing $ASTR rewards to participants of eligible Velodrome pools. - Rewards can be claimed at [ACS claim portal](https://acs.astar.network/) - Additional earning opportunities available through [incentivized pools](https://velodrome.finance/liquidity?filters=Soneium) *The ACS campaign was a collaboration between Astar Network and Soneium ecosystem to reward user engagement on Velodrome.*
Amplifi Rebrands to Earned Network, Integrates with Velodrome on Mode Network
**Earned Network** (formerly Amplifi) has announced a strategic integration with Velodrome to enhance DeFi capabilities on Mode Network. Key updates: - Automatic stablecoin swaps now available across various liquidity pools - Integration leverages Velodrome's unique on-chain data structure - AI Agent integration capabilities maintained post-rebrand The partnership aims to streamline DeFi operations and improve liquidity management on the Mode Network ecosystem. Learn more about the transformation at [@Earned_Network](https://twitter.com/Earned_Network)
Velodrome Maintains Market Leadership on Soneium

Velodrome continues its strong performance on Soneium, maintaining its position as the leading DEX platform. Recent highlights: - Achieved #1 DEX status with highest trading volume - Consistently outperforming all other DEXs combined - Sustained $30M+ weekly trading volume This follows a pattern of growth, with recent weeks showing more than double the average volume compared to previous months. *Trading metrics indicate sustained market dominance rather than temporary spike.*