How safe is contactless?
How safe is contactless? Is contactless card payment secure? Contactless payments are actually safer than regular ones. The reason for this is because consumers identify themselves through a biometric systems or a PIN number, and the mobile payment system generates an individual security code for each transaction.
What happens if you have two contactless cards in the same wallet?
If you have two contactless cards in your purse or wallet and hold it over the reader, the payment will normally be rejected. However, to be safe you should remove the card from your purse or wallet before using it - as you would for any other payment.
Can a contactless payment go through twice?
You can't pay accidentally—your contactless card or payment-enabled mobile/wearable device must be within 2 inches of the terminal for the transaction to take place. And you won't be billed twice, even if you accidentally tap twice.