🏦 ATM Simulation in C++

A command-line ATM simulation system built in C++, allowing users to securely create accounts, log in, deposit/withdraw funds, and view transaction history. All data is stored persistently using text files.

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🔧 Features

• 👤 Account creation with 4-digit PIN
• 🔐 Secure login system
• 💵 Deposit and withdraw functionality
• 📊 View current account balance
• 📜 Transaction history stored in text files
• 💾 File-based data persistence

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📁 File Structure

├── project_01.cpp // Main source code ├── accounts.txt // Stores account numbers, Passwaords/PINs, and balances ├── account_XXXX.txt // Individual transaction history

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🚀 How to Run

1. Compile the program:

   g++ -std=c++11 project_01.cpp -o atm
   

Run the executable: ./atm

✨ Future Enhancements PIN encryption

GUI using Qt or SFML

JSON-based storage

Transaction time stamps