---
title: "Discussion on \"Ethernaut Challenges: Part II (13-21)\" | Hashnode"
description: "Discussion on \"Ethernaut Challenges: Part II (13-21)\". Hi, and welcome back. Let's get to it right away.\n13 - Gatekeeper One\nWhat a sweet challenge this is, isn't it? We have to pass three gates to complete this challenge. The first one was the easiest, and we already know how to handle tx.origin != msg...."
url: "https://hashnode.com/posts/ethernaut-challenges-part-ii-13-21/642315054af4c72ddaf04674"
---

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# [Ethernaut Challenges: Part II (13-21)](https://osmanozdemir.hashnode.dev/ethernaut-challenges-part-ii-13-21?utm_source=hashnode&utm_medium=feed)

Hi, and welcome back. Let's get to it right away. 13 - Gatekeeper One What a sweet challenge this is, isn't it? We have to pass three gates to complete this challenge. The first one was the easiest, and we already know how to handle tx.origin != msg....

Mar 28, 2023 · 14 min read · osmanozdemir.hashnode.dev  
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[Osman Ozdemir](https://hashnode.com/@osmanozdemir1)

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