Uniswap v3 was designed with better efficiency for liquidity providers (LP) than v2 on its decentralized exchange. However, v2 smart contracts are still operational, and users must interact with a migration smart contract to migrate their LP assets from v2 to v3. PeckShield estimated that the initial attack vector required for this interaction cost just 1.76 Ether (ETH).
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Source: Cryptocurrency - investing.com
