Blockchain Voting System

2025
Vue Web3.js Solidity Ethereum Smart Contracts

Overview

A decentralized voting platform built on Ethereum blockchain ensuring transparent, secure, and immutable voting processes.

Features

  • Decentralized: No central authority controls the votes
  • Immutable: Votes cannot be altered once recorded
  • Transparent: All votes are publicly verifiable on blockchain
  • Multi-Option: Support for multiple voting choices
  • Secure: Cryptographic security of Ethereum blockchain

Tech Stack

  • Frontend: Vue 3
  • Blockchain: Ethereum
  • Smart Contracts: Solidity
  • Web3 Integration: Web3.js
  • Wallet: MetaMask integration

Development Period

February 2025

Smart Contract Features

- Create new votes
- Cast votes
- View results
- Prevent double voting
- Time-bounded voting periods

Learning Outcomes

This project was developed after completing the Educative course “Building a Blockchain from Scratch Using Solidity and Ethereum”.

Key learnings:

  • Writing and deploying Solidity smart contracts
  • Interacting with Ethereum blockchain from frontend
  • Managing wallet connections
  • Gas optimization techniques
  • Security best practices in smart contracts

Security Considerations

  • Reentrancy protection
  • Access control mechanisms
  • Input validation
  • Overflow/underflow protection