📌 SmartAbsenceLoyola

A Blockchain-Based Student Attendance System for SMA Kolese Loyola

🚀 About the Project

SmartAbsenceLoyola is a decentralized student attendance system built on blockchain technology. It provides a secure, transparent, and tamper-proof way to track attendance using Ethereum smart contracts, MetaMask wallet integration, and real-time attendance updates.

🎯 Key Features

✅ Blockchain-Powered Attendance – Attendance data is securely stored on the blockchain.
✅ MetaMask Wallet Integration – Students must connect their wallets to register and mark attendance.
✅ Real-Time Tracking – Attendance records update instantly and can be downloaded as a CSV report.
✅ Apple-Inspired UI – Clean, dark mode interface for a modern and sleek experience.
✅ Decentralized & Secure – Eliminates the risk of data manipulation or unauthorized changes.

🛠️ Technologies Used

• Solidity (Smart Contract Development)
• Hardhat (Ethereum Development Environment)
• Ether.js (Blockchain Interaction)
• HTML, CSS, JavaScript (Frontend Development)
• MetaMask (Wallet Authentication)

📂 Project Structure

├── Attendance.sol    # Solidity Smart Contract
├── index.html        # Frontend (User Interface)
├── styles.css        # Styling (Dark Mode, Apple UI Design)
├── app.js            # JavaScript Logic (Ether.js, Contract Interaction)

🔧 Installation & Setup

1. Clone the Repository:

   git clone https://github.com/nrionugraha/nrionugraha.github.io

2. Install Dependencies:

   npm install

3. Deploy Smart Contract (Using Hardhat):

   npx hardhat compile
   npx hardhat run scripts/deploy.js --network sepolia  # Replace with your network

4. Update Contract Address:
   • Replace the placeholder contract address in app.js with your deployed contract's address.

🖥️ How to Use

1. Connect MetaMask Wallet (Click Connect Wallet on the homepage).
2. Register as a Student (Enter your name and register using your wallet address).
3. Mark Attendance (Click Mark Attendance, and your record will be saved on the blockchain).
4. View Attendance Records (Live updates displayed in the table).
5. Download Report (CSV format available for easy export).

🎯 Future Enhancements

🔹 Mobile-Friendly UI Optimization
🔹 Multi-Class Attendance Tracking
🔹 Admin Dashboard for Better Management
🔹 Gas Fee Optimization for Transactions

🤝 Contributing

We welcome contributions! Feel free to fork the repository, submit pull requests, or open issues for improvements.

📜 License

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

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🚀 Join us in revolutionizing attendance management with blockchain!

📧 Contact: superpumpin@gmail.com
🌎 GitHub: @nrionugraha 💡 Made for SMA Kolese Loyola 🎓