Browse all Smart Contract Security articles.
The Architecture of the Compound V3 Smart Contract Introduction and prerequisites Compound is one of the most significant lending protocols in DeFi, having inspired the design of nearly every lending...
Last updated on Oct 8, 2025How Tornado Cash Works (Line by Line for Devs) !tornado cash tutorial by rareskills Introduction to Tornado Cash Tornado Cash is a cryptocurrency smart contract mixer that enables users to deposit...
Last updated on Oct 22, 2025Three ways to detect if an address is a smart contract This article describes three methods in Solidity for determining if an address is a smart contract: Check if . This is not a recommended method,...
Last updated on Oct 29, 2025Viem React Js Example: Transfer, Mint, and View Blockchain State In this tutorial, we’ll build a fully functional Dapp with the Viem typescript library + React (Next.js). We’ll cover the necessary...
Last updated on Sep 26, 2024Wagmi + ReactJS Example: Transfer Crypto and Mint an NFT In this tutorial, we'll learn how to build a Web3 Dapp (Decentralized Application) that connects to your crypto wallet, allowing you to...
Last updated on Oct 1, 2024Web3.js Example. Latest version 4.x. Transfer, Mint and Query the Blockchain The newest version of web3.js, 4.x, has just been unveiled. In this guide, we’ll delve into integrating web3.js into HTML...
Last updated on Aug 10, 202414 min read
Creating Raw Ethereum Interactions in Go: Blob Transactions, Tracing Transactions, and Others. The ethclient package from Go-Ethereum (Geth) provides an API wrapper for JSON-RPC requests to the...
Last updated on Oct 22, 2025Low Level Call vs High Level Call in Solidity A contract in Solidity can call other contracts via two methods: through the contract interface, which is considered a high-level call, or by using the...
Last updated on Oct 22, 20258 min read
ERC-1363 Standard Explained ERC-1363 enables a smart contract to detect and respond to an incoming transfer of tokens. !Cover Image for ERC-1363 Standard Explained article by RareSkills What problem...
Last updated on Sep 24, 2025Understanding the Function Selector in Solidity The function selector is a 4-byte id that Solidity uses to identify functions under the hood. The function selector is how a Solidity contract knows...
Last updated on Oct 22, 20259 min read
Uniswap v2 router code walkthrough The Router contracts provide a user-facing smart contract for safely minting and burning LP tokens (adding and removing liquidity) safely swapping pair tokens They...
Last updated on Jul 19, 2025A comprehensive guide to the ERC 721 standard and related security issues ERC721 (or ERC-721) is the most widely used Ethereum standard for nonfungible tokens. It associates a unique number with an...
Last updated on Oct 22, 2025