ONE-TO-ONE Bank

A sleek, secure digital banking system built using Streamlit. Perform deposits, withdrawals, account creation, and more — all in a clean and interactive interface.

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Table of Contents

1. Overview
2. Key Features
3. Live Demo
4. Architecture
5. Installation
6. Configuration
7. Running the App
8. Output Format
9. Project Structure
10. Roadmap
11. Screenshots
12. Contributing
13. License
14. Contact
15. Acknowledgements

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Overview

ONE-TO-ONE Bank is a lightweight Streamlit-powered banking application enabling basic banking operations like account creation, balance check, deposits, withdrawals, updates, and deletion — with data persisted in a JSON file.

Perfect for learning CRUD operations, rapid Streamlit UI development, and simulating digital banking logic.

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Key Features

Capability	Details
👤 Account Creation	Create new accounts with autogenerated secure account numbers.
💳 Deposit/Withdraw	Limit of 10,000 per transaction with real-time balance update.
🔍 Account Lookup	Quickly check account details securely using PIN.
✏️ Update Info	Edit name, age, email, or PIN after authenticating.
🗑️ Delete Account	Confirm and delete account securely.
🧠 PIN Validation	Ensures correct credentials for each action.
💾 JSON Data Store	All user data is stored persistently in data.json.

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Live Demo

Launch	Link
▶️ Streamlit Local Run	Coming soon on Streamlit Community Cloud

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Architecture

┌─────────────────────────┐     User Input
│       Streamlit UI      │◄────────────────────────┐
├─────────────────────────┤                         │
│  Tabs for each feature  │                         │
└────────────┬────────────┘                         │
             │ Calls CRUD functions                ▼
       ┌─────▼───────┐                   ┌────────────────────┐
       │ Banking Ops │ ────────────────► │  JSON Data Handler │
       └─────▲───────┘    (create, edit) └────────────────────┘
             │
       Returns Results
             ▼
     Streamlit UI Output

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Installation

1. Clone the repository

git clone https://github.com/your-username/one-to-one-bank.git
cd one-to-one-bank

2. (Optional) Create a virtual environment

python -m venv .venv
source .venv/bin/activate  # On Windows: .venv\Scripts\activate

3. Install dependencies

pip install -r requirements.txt

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Configuration

No external API keys needed. All data is stored locally in data.json. This file is auto-created if missing.

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Running the App

streamlit run app.py

Visit http://localhost:8501 and interact with the banking dashboard.

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Output Format

{
  "Name": "Alice",
  "Age": 25,
  "Email": "alice@example.com",
  "AccountNo": "a9B3d81!2FjQ",
  "Pin": 1234,
  "balance": 1000
}

Each transaction updates the local JSON database.

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Project Structure

one-to-one-bank/
├─ app.py                   # Main Streamlit app
├─ data.json                # Local JSON-based database
├─ requirements.txt
├─ README.md
└─ assets/
   └─ banner.jpg            # Optional banner for home tab

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Roadmap

• User authentication system (login/logout)
• Transaction history log
• Admin dashboard
• Search by email/phone
• Deploy to Streamlit Cloud

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🖼️ Screenshots

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Contributing

Pull requests are welcome!

1. Fork the repo
2. Create a branch: git checkout -b feat/your-feature
3. Make your changes
4. Commit and push: git commit -m "Add feature"
5. Open a PR and describe your update

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📄 License

This project is licensed under the MIT License.

© 2025 ONE-TO-ONE Bank by HUSSAIN ALI. Free to use, modify, and share under MIT.

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📬 Contact

• 📧 Email: choudaryhussainali@outlook.com
• 🌐 GitHub: choudaryhussainali

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Acknowledgements

• Streamlit
• Python JSON Docs
• Inspired by real-world banking workflows for educational use

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⭐ If you find this project useful, please give it a star and share your feedback!