A simple console-based ATM banking system written in C language. Demonstrates basic banking operations with security features like PIN verification and transaction limits.
- PIN Authentication - Default PIN:
1234, maximum 2 wrong attempts - Secure Login - Card blocked after failed attempts
- Cash Withdrawal - Enter amount and simulate dispensing
- PIN Change - Update your ATM PIN securely
- Transaction Menu - Clean switch-case interface
Default PIN: 1234
- C Language (stdio.h, string.h)
- Console Input/Output (scanf/printf)
- String Handling (strcmp, strcpy)
- Add balance checking
- Transaction history
- Multiple users
- File-based PIN storage