Sepolia Token Dashboard

Full-stack ERC-20 project with Solidity + React (Vite).

Project Structure

• contracts/ Hardhat smart contract project
• frontend/ React + Vite dashboard

1) Smart Contract (Hardhat)

Setup

1. Go to contracts/
2. Copy .env.example to .env
3. Fill values:
   • SEPOLIA_RPC_URL
   • PRIVATE_KEY

Commands

• npm run compile
• npm run deploy:sepolia

Deployed contract address is printed in terminal.

2) Frontend (React + Vite)

Setup

1. Go to frontend/
2. Copy .env.example to .env
3. Set VITE_TOKEN_ADDRESS with deployed contract address

Run

• npm run dev

Dashboard Features

• Wallet connect
• Address + network display
• Sepolia-only network guard
• Token info (name, symbol, total supply, contract)
• User token balance with refresh
• Transfer form with loading + success/error feedback
• Bonus: owner-only mint
• Bonus: burn
• Bonus: copy contract address
• Mobile responsive layout