🔐 Lottery Fairness Verifier

A 100% open-source, client-side lottery verification tool using Provably Fair bcrypt technology.

✨ Features

• ✅ Cryptographic Verification - Uses bcrypt algorithm to verify lottery fairness
• 🔒 100% Client-Side - All verification happens in your browser
• 🚫 Zero Server Communication - Complete privacy, no data sent anywhere
• 📖 Open Source & Auditable - Every line of code is transparent
• 🌐 Offline Capable - Works without internet after initial load
• 🎯 URL Parameters Support - Share verification links easily

🚀 Quick Start

Simply open index.html in any modern web browser. No installation or build process required!

Online Demo

Visit: https://tokenlottery.github.io/Verifier/

Offline Usage

1. Download index.html
2. Open it in your browser
3. Works completely offline!

🔍 How It Works

1. Before Draw: Lottery publishes a bcrypt commit hash
2. After Draw: Server seed is revealed
3. Verification: Anyone can verify bcrypt(serverSeed) === commitHash

📦 What's Included

• Single HTML File - Everything in one file for maximum portability
• No Dependencies - Bcrypt library loaded from CDN (with fallbacks)
• Responsive Design - Works on desktop, tablet, and mobile
• Accessibility - ARIA labels and keyboard navigation support

🛡️ Security

• No Tracking - Zero analytics or cookies
• No External Calls - After library loads, works completely offline
• Auditable Code - Press Ctrl+U to view source anytime
• Open Source - View on GitHub

📖 Documentation

For detailed usage instructions, open the tool and click "How It Works".

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

📄 License

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

⭐ Support

If you find this tool useful, please consider:

• ⭐ Starring this repository
• 🐛 Reporting issues
• 🔀 Contributing improvements

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Made with ❤️ for transparency and fairness