# Damn Vulnerable DeFi - Challenge #5 Walkthrough

**URL:** <https://forum.openzeppelin.com/t/damn-vulnerable-defi-challenge-5-walkthrough/5102>\
**Category:** Guides and Tutorials\
**Tags:** damn-vulnerable-defi\
**Created:** [December 18, 2020, 7:34pm UTC](https://forum.openzeppelin.com/t/damn-vulnerable-defi-challenge-5-walkthrough/5102 "2020-12-18T19:34:46Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![iphelix](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.openzeppelin.com/iphelix/32/3547_2.png) [@iphelix](https://forum.openzeppelin.com/u/iphelix)\
**Post date:** [December 18, 2020, 7:34pm UTC](https://forum.openzeppelin.com/t/damn-vulnerable-defi-challenge-5-walkthrough/5102/1 "2020-12-18T19:34:46Z")

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Tricking a reward mechanism in a liquidity pool app:

> **[Damn Vulnerable DeFi — Challenge #5 Walkthrough](https://iphelix.medium.com/damn-vulnerable-defi-challenge-5-walkthrough-2dd516735ad6)**
>
> Let’s continue our journey of learning about vulnerable DeFi applications. The next exercise, the-rewarder, challenges us to cheat at…