Uniswap v4 is now live, offering greater customization and lower transaction costs. It uses “hooks” to allow developers to build custom logic for pools, swaps, and fees. Uniswap v4 is now available on 10 blockchains, including Ethereum, Polygon, Arbitrum, Base, BNB Chain, and Avalanche. To ensure security, v4 has undergone nine audits, a security contest, and a $15.5 million bug bounty program.

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