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Automated Teller Machines (ATMs) Play A Vital Role In Modern Banking, Providing Customers With Quick And Convenient Access To Financial Services. However, ATM Transactions Remain Vulnerable To Security Threats Such As Skimming, Card Cloning, And PIN Theft, Which Compromise User Privacy And Trust. To Address These Challenges, This Work Proposes A Secure Cash Withdrawal Mechanism Using QR Code Technology. In The Proposed System, The User Initiates A Withdrawal Request Through A Mobile Banking Application, Which Generates A Unique, Time-sensitive QR Code Containing Encrypted Transaction Details. The ATM Scans The QR Code To Authenticate The User And Complete The Transaction Without Requiring A Physical Card Or Manual PIN Entry. This Approach Enhances Transaction Security By Eliminating Card-related Fraud, Reducing Dependence On Traditional Authentication Methods, And Ensuring End-to-end Encryption Of Sensitive Data. The Integration Of QR Code Technology With ATM Services Not Only Strengthens Security But Also Improves User Convenience, Paving The Way For Safer And More Efficient Digital Banking Solutions.