Woke up this morning to see $LO0P got attacked and faced a cascade of liquidations, with its market cap dropping from 4.3M to as low as 87k. The reason: the attacker exploited a vulnerability in the contract that lacked block liquidation limits, liquidating 24 positions within a single block, and then used cross-pool arbitrage to walk away with about 3.4 ETH. This incident is a lesson for the entire ETH V4 Hook ecosystem. The biggest charm of V4 Hook is turning swaps into programmable events. Buying, lending, liquidating, arbitraging, LP earnings, rebalancing—all of these can be packed into a set of on-chain rules. But its biggest risk lies here as well: The more complex the mechanism, the more fatal a single parameter can be. In the past, the risks of meme coins mainly revolved around whales, pools, taxes, and permissions. Now, many V4 Hook projects come with complex dangers that not only retail investors can’t detect, but even project teams might miss. That said, I don’t think the $LO0P incident will mark the end of the V4 Hook narrative. On the contrary, it will push the market from the excitement of “I don’t fully get it, but it’s new” to the filtering stage of “Is this mechanism actually safe?” The project team’s decision to redeploy, airdrop 1:1, and compensate users who were liquidated is definitely a plus. But for holders, the real focus isn’t just the compensation itself. It’s whether the new contract can prove: This mechanism doesn’t just work, but can also withstand extreme scenarios without being wiped out in a single block.