Ops Development & AI Practice

Jul 24, 2025 · Blockchain

How to Read Ethereum Smart Contract Data with Etherscan and Web3.js

This guide shows beginners how to explore contract details on the Sepolia testnet using Etherscan's read‑only interface and then how to programmatically retrieve the same data with a Node.js script that leverages Web3.js, covering setup, code examples, and next‑step possibilities.