CipherLink - Blockchain Based Messaging Application

A secure and decentralized messaging platform built on blockchain technology using Vue 3, Vite, and Ethereum Smart Contracts.

View Demo • Features • Getting Started • Contributing

Features

• Wallet Integration: Connect with MetaMask and other Web3 wallets
• Decentralized Messaging: Direct peer-to-peer messaging via smart contracts
• User Profiles: Create and manage your blockchain identity
• Favorites System: Add frequent contacts to favorites for quick access
• Real-time Updates: Instant message delivery and status updates
• Responsive Design: Seamless experience across all devices

Technologies Used

• Vue.js: A progressive JavaScript framework for building user interfaces.
• Vite: A build tool that significantly improves the front-end development experience.
• Solidity: A programming language for writing smart contracts on the Ethereum blockchain.
• Web3.js: A library for interacting with the Ethereum blockchain.

Getting Started

1. Clone the repository:

git clone https://github.com/gautham2k3/CipherLink.git
cd CipherLink

2. Install dependencies:

npm install

3. Start development server:

npm run dev

4. Build for production:

npm run build

📝 Smart Contract Functions

The application uses the following smart contract functions:

• createAccount(string name): Register new user
• getUserName(): Get current user's name
• getAllAppUsers(): List all registered users
• sendMessage(address friend_key, string _msg): Send message
• readMessage(address friend_key): Retrieve chat history
• checkUserExists(address pubkey): Verify user registration

🔧 Configuration

The application requires:

• MetaMask or compatible Web3 wallet
• Connection to Ethereum network
• Smart contract deployed and configured

🌐 Deployment

The application is configured for deployment on Vercel with the following specifications:

• Build Command: npm run build
• Output Directory: dist
• Framework Preset: Vite

Contributing

Contributions are welcome! Please:

1. Fork the repository
2. Create a feature branch
3. Commit your changes
4. Push to your branch
5. Open a Pull Request

⚠️ Disclaimer

This project is for demonstration and educational purposes. Use in production environments requires additional security measures and auditing.

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.