Arbitrum Reaches Milestone as First Layer 2 to Surpass $150B in Swap Volume

Uniswap has processed **$250 million in stock token volume** on Robinhood Chain, marking a significant milestone for tokenized real-world assets. The integration makes Uniswap the **primary public automated market maker (AMM)** on Robinhood Chain, which launched earlier this month. The protocol supports trading, liquidity provision, and token auctions through its v4 platform. **Key features now available:** - Fully onchain token auctions via Uniswap Auctions - Trading access through Uniswap Web App, Wallet, and API - Integration with UniswapX for improved execution - AI Skills coming soon for developers and agents The partnership brings together Robinhood's traditional finance accessibility with Uniswap's decentralized market infrastructure, creating a convergence point for real-world asset trading onchain.

Uniswap has introduced **Permissioned Pools** on V4, enabling compliant trading of regulated assets like tokenized funds and securities on automated market makers (AMMs). **Key features:** - Protocol-level compliance checks using V4's unique hooks and virtual accounting - Allows issuers to access AMM liquidity while meeting regulatory requirements - Enables eligible investors to trade previously restricted assets directly onchain Developed with partners including Superstate, Securitize, and Dowgo. [Read full announcement](https://blog.uniswap.org/introducing-permissioned-pools-on-uniswap-v4?utm_medium=social&utm_source=tw&utm_campaign=permissioned-pools-202607) | [Developer docs](https://developers.uniswap.org/docs/protocols/v4/permissioned-pools/overview?utm_medium=social&utm_source=tw&utm_campaign=permissioned-pools-202607)

Uniswap has published developer documentation for its DualPool hook, now available for implementation. **Key Features:** - Allows liquidity providers to earn on both active and idle assets - Developed in collaboration with Spark Finance - Audited and open source **How It Works:** - Deployers park assets in an ERC-4626 vault - Hook pulls liquidity when swaps occur - Funds return within the same block Teams can now deploy their own DualPool hooks using the available documentation at [developers.uniswap.org](http://developers.uniswap.org/docs/protocols/v4/dualpool/overview).

**Spark is building a Stablecoin FX Layer on Uniswap v4** to address liquidity fragmentation as banks and fintechs launch their own stablecoins. **Key developments:** - Spark migrated $150M in liquidity to Uniswap v4, one of DeFi's largest migrations - Initial pools include USDS/PYUSD and USDS/USDT - The infrastructure allows stablecoins to access shared liquidity instead of isolated pools - Liquidity will move to Spark's new DualPool hook to earn on both active and idle assets **Context:** Fidelity recently chose Uniswap as its liquidity layer for $FIDD stablecoin pools. The FX Layer aims to create shared infrastructure for the growing number of institutional stablecoins entering the market. [Learn more about the Stablecoin FX Layer](https://paragraph.com/@spark-11/spark-uniswap-and-sky-building-the-fx-layer-for-stablecoins?referrer=0xA45F1D29943D19dff604133287047a35ccbADc8a)

Uniswap has introduced tokenized securities trading across its product suite, marking a significant expansion into regulated financial instruments. **Key Details:** - Tokenized securities are now available on Uniswap platforms - Geographic restrictions apply to certain jurisdictions - This follows Uniswap's earlier announcement about token auctions coming to the web app The move represents Uniswap's push into traditional finance territory, bringing real-world assets onto decentralized exchanges. Users should verify their jurisdiction's eligibility before trading these instruments. [Read the full announcement](https://blog.uniswap.org/tokenized-securities-are-live?utm_source=tw&utm_medium=social&utm_campaign=tokenized-securities-gtm)