💳 Pac-Wallet

Pac-Wallet is a full-stack digital wallet application that allows users to securely manage balances, make transactions, and integrate payment gateways in a sandbox/testing environment.

Built to understand real-world fintech flows like authentication, payments, security, and scalable backend design.

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🚀 Features

• 🔐 Secure user authentication (JWT + HTTP-only cookies)
• 💰 Wallet balance management
• 📤 Send & receive money between users
• 🧪 Payment gateway sandbox integrations (for testing)
• 📜 Transaction history
• ⚡ Fast REST APIs with Node.js & Express
• 🗄 MongoDB database

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🛠 Tech Stack

Backend

• Node.js
• Express.js
• MongoDB (Mongoose)
• JWT Authentication

Tools

• Git & GitHub
• Postman
• Docker (optional)

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📂 Project Structure

Pac-Wallet/
│
├── routes/
├── models/
├── middleware/
├── package.json
└── server.js

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⚙️ Installation & Setup

Clone the repository:

git clone https://github.com/AryanPachandi/Pac-Wallet.git
cd Pac-Wallet

Install dependencies:

npm install

Create a .env file:

MONGO_URI=your_mongodb_connection
JWT_SECRET=your_secret_key

Run the server:

npm run dev

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📡 API Endpoints (sample)

Method	Route	Description
POST	/api/auth/register	Register user
POST	/api/auth/login	Login user
GET	/api/wallet/balance	Get balance
POST	/api/wallet/transfer	Send money
GET	/api/wallet/history	Transactions

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🔐 Security Practices Used

• Password hashing (bcrypt)
• JWT authentication
• HTTP-only cookies
• Protected routes middleware
• Input validation

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🎯 Purpose of the Project

Pac-Wallet was built to:

• Learn real fintech backend flows
• Practice secure authentication
• Work with payment SDK sandboxes
• Build scalable REST APIs

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📈 Future Improvements

• Payment gateway live integration
• QR code payments
• Admin dashboard
• Two-factor authentication
• WebSocket real-time transactions

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👨‍💻 Author

Aryan Pachandi Full Stack Developer | Backend & DevOps Focus

GitHub: https://github.com/AryanPachandi