Quick take:
- Uniswap v4 is part of the Uniswap Protocol’s evolution into a developer platform.
- The upgrade was initially scheduled to launch in Q3 2024 but is now expected to go live by the end of the year.
- The Uniswap v4 codebase has already been reviewed by multiple audit firms including OpenZeppelin, Spearbit, Certora, Trail of Bits, ABDK, and Pashov Audit Group.
Uniswap Labs has unveiled a bug bounty program of up to $15.5 million for critical vulnerabilities found in the Uniswap v4 core contracts.
Describing the program as “the largest bug bounty in history,” Uniswap said it only covers vulnerabilities in the Uniswap v4 core contracts, with the company stating that “Uniswap v4 periphery contracts are not in scope at this time.” Uniswap plans to add them to the bug bounty program soon.
The bounty program comes ahead of the Uniswap v4 launch, planned for later this year. The company describes Uniswap v4 as “the latest evolution of the Uniswap Protocol, transforming it into a developer platform, unlocking new market structures and more assets to serve more users.”
This follows the company’s introduction of “hooks”, which are external smart contracts attached to individual pools to allow developers to customise and extend the behaviour of liquidity pools.
According to Uniswap, the v4 also saves LPs swappers money. “Pools on v4 are expected to be 99.99% cheaper to create and swappers can expect significant savings on multi-hop swaps,” the company said in the announcement.
The Uniswap v4 also boasts being among the most reviewed codebases in DeFi, with nine independent audits by OpenZeppelin, Spearbit, Certora, Trail of Bits, ABDK, and Pashov Audit Group, with reports available on GitHub for both core and periphery contracts.
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