---
title: "Discussion on \"Ethernaut Level 21 - Shop\" | Hashnode"
description: "Discussion on \"Ethernaut Level 21 - Shop\". Analysis and solution for Ethernaut's Level 21 - Shop, with Solidity and Foundry"
url: "https://hashnode.com/posts/ethernaut-level-21-shop/63145c77041b51e1712e3c63"
---

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# [Ethernaut Level 21 - Shop](https://blog.dixitaditya.com/ethernaut-level-21-shop?utm_source=hashnode&utm_medium=feed)

Analysis and solution for Ethernaut's Level 21 - Shop, with Solidity and Foundry

Sep 4, 2022 · 3 min read · blog.dixitaditya.com  
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-   [#ethernaut](https://hashnode.com/tag/ethernaut)
-   [#solidity](https://hashnode.com/tag/solidity)
-   [#ethereum](https://hashnode.com/tag/ethereum)
-   [#security](https://hashnode.com/tag/security)
-   [#web3](https://hashnode.com/tag/web3)

## Written by

[Aditya Dixit](https://hashnode.com/@adityadixit)

@adityadixit · India

  
[View profile](https://hashnode.com/@adityadixit)

Security Researcher

I'm leading the Research at Credshields, and Pentest teams at Cobalt Labs and HackerOne. I occasionally blog about my findings and adventures in pentesting.

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