ChainCatcher message: According to the latest statistics from blockchain security company Certik, there have been 8 reentrancy attack incidents from the beginning of 2024 to date, resulting in a total loss of approximately 30 million dollars. Among them, the attack on Penpie has become the largest reentrancy attack incident of 2024, and it is also the third largest reentrancy attack since January 2021.In terms of loss scale, the Penpie attack is second only to the Grim Finance attack that occurred in December 2021 (with losses of approximately 40 million dollars) and the Vyper vulnerability incident in July 2023 (with losses of approximately 52 million dollars).