Apple Pay is a very safe way to pay for things. This is because Apple Pay doesn’t store your credit card numbers on your phone, and they’re never shared with Apple Pay or sent with your payment. Instead, Apple Pay gives you a unique Device Account Number that is encrypted and stored in a safe place on your iPhone, iPad, or Apple Watch. You can use this number to pay for things. In other words, to make a payment with Apple Pay, your Device Account Number and a unique security code are used to do so.
Keep your card safe by:
You should choose a device passcode that no one else knows or could figure out easily.
You should also store your fingerprint in the Apply Pay app, but not store anyone else’s fingerprint.