Dive into web3 audit. Security researcher, Full-stack dev & blockchain dev. Hawks@CodeHawks, warden@Code4rena, Watson@Sherlock
Damn Vulnerable DeFi
In this post, we'll delve into the Side Entrance challenge of Damn Vulnerable DeFi and provide a solution. ⚠️Beware of spoilers if you haven't attempted the challenge yet! Understanding the Problem Check out the challenge here. The challenge description is as follows: A surprisingly simple pool
Damn Vulnerable DeFi
Let's dive into the explanation and solution of Damn Vulnerable DeFi's Truster challenge! ⚠️Please note that this contains spoilers, so if you haven't tried it yet, don't read on! Problem Overview Here's the link to the Damn Vulnerable DeFi Truster
Damn Vulnerable DeFi
Welcome to the first challenge of Damn Vulnerable DeFi, called Unstoppable. ⚠️If you haven't tried solving it yet, beware of spoilers ahead! This post is for those who have given up or want to check their solution. Understanding the Challenge First, let's review the challenge. You
OpenZeppelin
⚠️OpenZeppelin version introduced: v5.0.0 In this post, we'll explore the ERC1155 standard, commonly used in blockchain games, alongside OpenZeppelin. We'll delve into the inner workings of ERC1155, which adheres to the EIP1155 specification, and discuss its usage and considerations. (For detailed EIP1155 specifications, click
OpenZeppelin
⚠️Version of OpenZeppelin introduced: v5.0.0 In this post, we'll introduce ERC20, a standard often used in the Ethereum blockchain. With ERC20, you can: * Easily create a cryptocurrency that follows the ERC20 standard. * Implement a secure cryptocurrency. What is ERC20? ERC20 is a standard token specification on
OpenZeppelin
⚠️Version of OpenZeppelin introduced: v5.0.0 In this post, we'll introduce ERC721, a standard often used in smart contracts, especially for NFTs. Here are some key points about what you can do with ERC721: * Easily implement NFTs * Follow a standardized implementation While it's simple, implementing
OpenZeppelin
⚠️Version of OpenZeppelin introduced: v5.0.0 In this post, we'll explore OpenZeppelin's Access Control library. Let's start with the benefits of using Access Control: * Implements role-based access control * Easy assignment of roles to multiple accounts * Simple and secure access control structure Using Access
OpenZeppelin
💡Version of OpenZeppelin introduced: v5.0.0 In this post, we'll dive into one of the libraries from OpenZeppelin, known as Ownable. We'll briefly outline the benefits of using this library: * Control over functions and more through ownership * Enhanced security * Simplified implementation of ownership transfer Let&