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ETH Address Scanner

Easily scan any Ethereum address to retrieve real-time blockchain data.

Project Structure

  • server/ — Node.js + Express server hosted on Fly.io
  • client/ — React app built with Vite, deployed on Vercel

Features

  • Scan any Ethereum wallet or contract address
  • Get ETH balance, transaction nonce, ENS name
  • Detect if it's a smart contract
  • Show latest block number and hash
  • Smooth animated UI using Tailwind and ShaderGradient

Tech Stack

  • Node.js + Express
  • Ethers.js (v6)
  • Alchemy API
  • React (Vite)
  • Tailwind CSS
  • Socket.io
  • Vercel (Client)
  • Fly.io (Server)
  • pnpm (Package manager)

Setup

Clone the repository

git clone https://github.com/your-username/eth-scanner.git
cd eth-scanner

Server (Fly.io)

cd server
pnpm install

# Create .env file with your Alchemy key
echo "ALCHEMY_API_KEY=your_key_here" > .env

node server.js

Client (Vercel)

cd ../client
pnpm install

# Create .env file with your Fly.io or any other socket URL
echo "VITE_SOCKET_URL=your_socket_here > .env

pnpm dev

Open http://localhost:5173