Blockchain-Based Online Voting System

A secure, transparent, and decentralized voting application built on the Ethereum blockchain. This project ensures election integrity using smart contracts and Merkle tree verification.

🌟 Features

• Decentralized Voting: All votes are recorded on the Ethereum blockchain, ensuring they are immutable and transparent.
• Secure Authentication: Uses Merkle Proofs for voter whitelisting and WebAuthn for secure device access.
• Real-Time Analytics: Live visualization of election results using interactive Bar and Pie charts.
• Admin Dashboard: comprehensive tools for election commissioners to create elections, add candidates, and manage timelines.
• Voter Privacy: Ensures one-person-one-vote while maintaining voter anonymity.
• Vote Verification: Voters can verify their vote was counted using a unique transaction hash/QR code.

🛠️ Tech Stack

• Blockchain: Solidity (Smart Contracts), Hardhat
• Frontend: React.js, Vite, Tailwind CSS
• Interaction: Ethers.js
• Visualization: Recharts
• Security: OpenZeppelin (MerkleProof)

📸 Screenshots

Voting Booth

Real-time Results

Admin Dashboard

🚀 Getting Started

Prerequisites

• Node.js (v14+)
• MetaMask Wallet Extension

Installation

1. Clone the repository

   git clone https://github.com/Manisbisht/Online-Voting-through-blockchain.git
   cd voting2.0

2. Install Dependencies

   # Install root/backend dependencies
   npm install
   
   # Install frontend dependencies
   cd frontend
   npm install

3. Start Local Blockchain

   # Open a new terminal
   cd contracts
   npx hardhat node

4. Deploy Smart Contract

   # In 'contracts' folder
   npx hardhat run scripts/deploy.js --network localhost

5. Run the Application

   # In 'frontend' folder
   npm run dev