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Ethernaut WalkthroughThe Ethernaut Level 29 Switch challenge revolves around understanding how dynamic CALLDATA is constructed and interpreted by Solidity contracts. The objective is to craft a CALLDATA payload that allows a single low-level
Ethernaut WalkthroughIn this article, we will walkthrough Ethernaut Level 21: Shop . This challenge is designed to test your understanding of how view functions interact with state changes in Solidity and how these interactions can be…
Ethernaut WalkthroughEthernaut Level 20: Denial focuses on a vulnerability related to denial-of-service (DoS) attacks . In this article, we'll break down the Denial contract, identify its vulnerabilities, and explain how the Hack contract…
Ethernaut WalkthroughIn this walkthrough, we will guide you through the Ethernaut Level 19: Alien Codex challenge . This challenge is designed to test your skills in array overflow and memory manipulation within Solidity. Our ultimate goal…
Ethernaut WalkthroughAs you may already know, The Ethernaut , from OpenZeppelin, is a series of challenges designed to teach and test your understanding of smart contract security. Well, today was the time for Ethernaut Level 18 , titled…
Ethernaut WalkthroughIn the Ethernaut level 17 challenge , participants are tasked with finding and recovering Ether from a lost contract. The goal is to understand how contract addresses are derived and how this knowledge can be used to…
Ethernaut WalkthroughThis article will break down the Ethernaut Level 16: Preservation contract, point out its flaws, and show how the Hack contract takes advantage of these weaknesses. Let's dive into how delegatecall can be risky by…
Ethernaut WalkthroughEthernaut Level 15, "Naught Coin," throws you headfirst into the world of ERC20 tokens and their potential vulnerabilities. This challenge presents a seemingly locked contract with a 10-year transfer lock on your own…
Ethernaut WalkthroughEthernaut challenges , comparable to a Web3-themed hacking Capture The Flag (CTF) competition, offer a dynamic environment for diving into Ethereum and Solidity programming. Each level, including Ethernaut Level 14 ,…
Ethernaut WalkthroughTL;DR: Ethernaut Challenge 13, Gatekeeper One, tests knowledge of Ethereum transactions and gas mechanics. The GatekeeperOne contract includes three modifiers: gateOne (ensures caller is a contract), gateTwo (requires…
Ethernaut WalkthroughEthernaut Level 12 titled " Privacy " challenges the concept of "private" data on the blockchain. In this level, you'll encounter a locked contract, and your objective is to unlock it. The key, however, isn't so private…
Ethernaut WalkthroughEthernaut challenges , comparable to a Web3-themed hacking Capture The Flag (CTF) competition, offer a dynamic environment for diving into Ethereum and Solidity programming. Each level introduces a distinct smart…
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