Welcome, developers! This guide will help you connect to the Shardeum network using JSON-RPC, perform essential operations, and handle potential issues. We’ll use ethers.js for wallet interactions and direct fetch calls for raw JSON-RPC requests, with practical, step-by-step examples.

​
Table of Contents

​
Introduction

Shardeum is an EVM-compatible blockchain designed for scalability. Like other Ethereum-based networks, it exposes its functionality via a JSON-RPC interface. This allows applications to interact with the blockchain, query data, send transactions, and more.

​
Prerequisites

  • Node.js (Download)
  • npm (comes with Node.js)
  • MetaMask (or similar browser wallet)
  • Basic JavaScript knowledge
Install dependencies: 
mkdir shardeum-rpc-tutorial
cd shardeum-rpc-tutorial
npm init -y
npm install ethers

​
Next Steps

Continue to the relevant section to explore all supported JSON-RPC methods in detail.