VaultX

fast & secure crypto wallet chrome extension

Features

• Easily connects to React apps
• Works with Ethereum, Solana, and more
• Uses Web Crypto API, & IndexedDB

Tech

• Frontend: React, Tailwind CSS
• Blockchain: Ethers.js (Ethereum)
• Security: Web Crypto API, IndexedDB
• Extension APIs: Chrome, Firefox, Edge (Manifest V3)

Installation

# Clone the repository
git clone https://github.com/yourusername/VaultX.git
cd VaultX

# Install dependencies
npm install

# Build the extension
npm run build

Setup

1. Load the extension in Chrome:
   • Open chrome://extensions/
   • Enable Developer Mode
   • Click Load Unpacked and select the dist/ folder
2. Run the React demo app:

npm run dev

Usage

• Connect VaultX to your React app with:

const wallet = new VaultX();
await wallet.connect();
const balance = await wallet.getBalance();

• Sign transactions securely:

const tx = await wallet.signTransaction(txData);
await wallet.sendTransaction(tx);

Security

• Keys never leave the extension
• Encrypted storage using Web Crypto API
• Strict permissions model following Manifest V3

Roadmap

• Support additional EVM blockchains (e.g., Polkadot, Avalanche)
• Mobile browser extension support
• Enhanced transaction history tracking

Contributing

1. Fork the repo
2. Create a new branch (git checkout -b feature-branch)
3. Commit your changes (git commit -m 'Add feature')
4. Push to the branch (git push origin feature-branch)
5. Open a Pull Request

License

MIT License - Feel free to use and modify!

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Made with ❤️ by Team /dev/null for HackNUthon 6.0