🏦 Banking Ledger System

A full-stack Banking Ledger System that allows users to create accounts and perform dummy real-time transactions securely.
Built using React.js (Frontend) and Node.js + Express.js (Backend) with database integration.

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🚀 Live Demo

🔗 Frontend (Vercel):
https://banking-system-hazel.vercel.app

🔗 Backend (Render):
https://banking-system-zawl.onrender.com

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📌 Features

• ✅ User Registration & Login (JWT Authentication)
• ✅ Secure Token-Based Authorization
• ✅ Create & Manage Bank Accounts
• ✅ Perform Dummy Real-Time Transactions
• ✅ View Transaction History
• ✅ Protected Dashboard
• ✅ Role-based Authorization (System User Support)
• ✅ Blacklisted Token Handling (Logout Security)
• ✅ CORS-enabled for production deployment
• ✅ Fully deployed (Vercel + Render)

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🛠 Tech Stack

🔹 Frontend

• React.js
• React Router
• Axios
• Zustand (State Management)
• Tailwind CSS (UI Styling)

🔹 Backend

• Node.js
• Express.js
• MongoDB
• Mongoose
• JWT (Authentication)
• Cookie Parser
• CORS

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📂 Project Structure

banking-ledger-system/ │ ├── frontend/ │ ├── src/ │ ├── public/ │ └── vercel.json │ ├── backend/ │ ├── src/ │ │ ├── routes/ │ │ ├── controllers/ │ │ ├── middleware/ │ │ ├── models/ │ │ └── config/ │ └── server.js │ └── README.md

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🔐 Authentication Flow

1. User registers → Account created
2. User logs in → JWT token generated
3. Token stored in HTTP-only cookie
4. Protected routes validated using middleware
5. Blacklisted tokens prevented from reuse

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💳 Transaction System

Users can perform:

• Credit Transactions
• Debit Transactions

Features:

• Real-time balance updates
• All transactions stored in database
• Transaction history visible in dashboard

⚠️ Note: This is a dummy banking system for learning/demo purposes only.

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⚙️ Installation & Setup

1️⃣ Clone Repository

git clone [https://github.com/your-username/banking-ledger-system.git](https://github.com/kKrishGupta/Banking-System.git)
cd banking-ledger-system

cd backend
npm install