Mar 21, 2025 · 8 min read · Functions with callbacks have played a significant role in many reentrancy attacks, a common vulnerability in smart contracts. In this article, we will discuss the topic and explore how callbacks can contribute to reentrancy attacks, how these attack...
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Nov 11, 2024 · 6 min read · The KittyKittyBank contract was written in Solidity, which allows users to send and withdraw ether (ETH) from the contract. In this blog post, I am providing a deep-dive into the details of the issue, and how it was exploited. Contract Overview Let's...
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Mar 23, 2024 · 6 min read · What is reentrancy vulnerability? This is a common vulnerability in smart contracts where contracts can be exploited by making a function repeatedly perform an action without updating or making the required state changes. Imagine being able to withdr...
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Oct 2, 2023 · 3 min read · A Journey with Protofire By Luca Auet and Gabriel Gonzalez Resume The Challenges Reentrancy and Circular Calls in Smart Contracts Reentrancy is a common issue in smart contracts where a contract calls another contract before it resolves its state. ...
Join discussionSep 22, 2023 · 7 min read · INTRODUCTION Hello everyone I'm back with a new article. In this article, I am going to explain about most famous and dangerous attack the re-entrancy attack in easy and simple wording. DEFINITION A Re-Entrancy attack is a type of security vulnerabil...
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Sep 1, 2023 · 3 min read · Reentrancy is one of the most common vulnerabilities in Ethereum smart contract programming. It allows attackers to repeatedly call functions in a contract before the first invocation finishes execution. This can lead to unintended draining of funds ...
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Aug 6, 2023 · 5 min read · image by Ronghui Gu A Reentrancy attack is a security vulnerability that occurs in the blockchain, it occurs when a smart contract can call the function in an external contract continuously before the completion of previous calls or before the contra...
Join discussionMar 23, 2023 · 5 min read · This challenge is a good one. We learn about the famous re-entrancy attack. This attack was responsible for the infamous 'The DAO Hack'. It is the reason why there was a hard fork on the Ethereum chain and we now have two chains, the legacy chain - E...
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Jan 6, 2023 · 5 min read · Introduction A reentrancy attack in solidity repeatedly withdraws funds from a smart contract and transfers them to an unauthorized contract until the funds have been exhausted. The attack occurs when a smart contract function temporarily gives up co...
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