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Merged
XdpCs merged 2 commits into from
Feb 11, 2026
Merged

Fix typo #893

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9bca3c0
fix some typo
Nikolas-Cao Feb 4, 2026
66e1150
revert the change
Nikolas-Cao Feb 11, 2026
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2 changes: 1 addition & 1 deletion Topics/Onchain_debug/05_write_your_own_poc/readme.md
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Expand Up @@ -181,7 +181,7 @@ Author: [gbaleeee](https://twitter.com/gbaleeeee)
withdraw函数执行过程中最后发出的事件对应之前dfx-xidr-v2代币发送给0地址销毁

- 总结
DFX Finance的重入攻击事件是一起典型的cross-function重入攻击，攻击者通过在falsh函数的回调操作中调用deposit函数完成了重入。值得一提的是，这次攻击的手法，正好对应了CTF damnvulnerabledefi中的第四题 [Side Entrance](https://www.damnvulnerabledefi.xyz/challenges/side-entrance/)，如果项目的开发人员之前有认真做过，或许这次攻击事件就不会发生🤣。在同年的12月中，[Deforst](https://github.com/SunWeb3Sec/DeFiHackLabs#20221223---defrost---reentrancy) 项目也被同样的手法所攻击。
DFX Finance的重入攻击事件是一起典型的cross-function重入攻击，攻击者通过在flash函数的回调操作中调用deposit函数完成了重入。值得一提的是，这次攻击的手法，正好对应了CTF damnvulnerabledefi中的第四题 [Side Entrance](https://www.damnvulnerabledefi.xyz/challenges/side-entrance/)，如果项目的开发人员之前有认真做过，或许这次攻击事件就不会发生🤣。在同年的12月中，[Deforst](https://github.com/SunWeb3Sec/DeFiHackLabs#20221223---defrost---reentrancy) 项目也被同样的手法所攻击。

## 学习资源
[Reentrancy Attacks on Smart Contracts Distilled](https://blog.pessimistic.io/reentrancy-attacks-on-smart-contracts-distilled-7fed3b04f4b6)
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