Học từ vựng | Vocabulary learning |card verification number
card verification number ()
/kɑːrd ˌver.ə.fəˈkeɪ.ʃən ˈnʌm.bɚ/
/kɑːd ˌver.ɪ.fɪˈkeɪ.ʃən ˈnʌm.bər/
a three-digit number located on the back of a credit card.
When making an online purchase, the website prompted Sarah to enter the card verification number from the back of her credit card to ensure a secure and authenticated transaction.
The customer service representative asked John to provide the card verification number as part of the telephone transaction to verify his identity and prevent fraudulent activities.
As an additional layer of security, the ATM required users to enter their card verification number before allowing them to complete certain transactions, enhancing the protection of their financial information.
