Decentralized exchange infrastructure provider 0x said it has routed 81.92 million trades so far this year, representing $42.67 billion in volume, with roughly 70% of that flow touching Uniswap liquidity. In the same post, the company flagged a rise in malicious Uniswap v4 hooks, describing a pattern in which a hook presents one price during a quote request and a different one at settlement. According to 0x, that behavior can deceive aggregators, wallets, and trading applications and extract value from users.
0x said it analyzed 84,163 hooks across six blockchains. Of that total, 19.4% were classified as safe, 54.2% as malicious, and 26.4% as potentially malicious. The firm added that trades routed through malicious v4 hooks can leave users receiving as much as 50% less than the quoted amount at execution. It cited two examples: hooks in a Base ETH/NVDAc pool that have collected about $143,000 in fees, and hooks in a BNB Chain USDT/WBNB pool that have collected about $18,600. 0x said routers should verify that quoted amounts match actual execution behavior and that it has already implemented detection and pool review measures.
Decentralized exchange infrastructure provider 0x said in a post that it has routed 81.92 million trades this year, totaling $42.67 billion in volume, with about 70% of that flow touching Uniswap liquidity.
In the same post, 0x said malicious Uniswap v4 hooks have been increasing recently. It described these hooks as showing one price during a quote request and a different price at settlement, a mechanism that can deceive aggregators, wallets, and trading applications to profit from users.
0x said it analyzed 84,163 hooks across six blockchains. Based on that review, only 19.4% were considered safe, while 54.2% were classified as malicious and 26.4% as potentially malicious.
According to 0x, trades routed through malicious v4 hooks can leave users receiving as much as 50% less than the quoted amount when the trade is executed. The post gave two examples: hooks tied to a Base-chain ETH/NVDAc pool that have collected about $143,000 in fees, and hooks tied to a BNB Chain USDT/WBNB pool that have collected about $18,600.
0x said routing providers need to ensure that a pool's quoted amount matches its actual execution behavior. Applications, it said, should be able to remove suspicious routes quickly, while users should understand that the best quote is only useful when the route itself is safe. The company added that it has already adopted detection and pool review measures to keep such pools out of its routing.
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