UNIVERSE | SCIENCE | TECHNOLOGY on Instagram: "How an ATM Machine Works – Explained Simply 🏧 When you insert your ATM card, the machine reads the chip or magnetic stripe, which contains encrypted information linked to your bank account. Next, you enter your PIN. This PIN is never stored in the ATM—it’s securely encrypted and sent to your bank’s server for verification. Once verified, the ATM connects to the banking network in real time. When you request cash, the bank checks your account balanc