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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, 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, 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, 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, 2024Uniswap V2: Calculating the Settlement Price of an AMM Swap This article explains how to determine the price settlement of a trading pair in an Automated Market Maker (AMM). It answers the question...
Last updated on Aug 10, 2024How 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, 2025Uniswap V2 Architecture: An Introduction to Automated Market Makers Uniswap is a DeFi app that enables traders to swap one token for another in a trustless manner. It was one of the early automated...
Last updated on Sep 26, 20249 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, 2025Getting a smart contract audit: what you need to know A smart contract audit is a review by blockchain security experts to ensure that users will not lose funds due to a malfunction or security...
Last updated on Aug 7, 2024OpenZeppelin Ownable: Use Ownable2Step Instead The modifier is probably one of the most common patterns in Solidity. In the following example, the function can only be called by the address...
Last updated on Oct 22, 20253 min read
Solidity Staticcall EIP 214 Staticcall is like a regular Ethereum call except that it reverts if a state change happens. It cannot be used to transfer Ether. Both the EVM opcode, the Yul assembly...
Last updated on Oct 29, 2025