What algorithm is commonly used to validate credit card numbers?
Answer
Luhn algorithm
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What algorithm is commonly used to validate credit card numbers?
Answer
Luhn algorithm
What type of credit card requires the full balance to be paid each month?
Answer
Charge card
Which company introduced the first magnetic stripe credit card in 1970?
Answer
American Express
Which 2009 U.S. law restricted credit card interest rate increases and fees?
Answer
Credit CARD Act of 2009
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What type of credit card requires the full balance to be paid each month?
Answer
Charge card
Which company introduced the first magnetic stripe credit card in 1970?
Answer
American Express
Which 2009 U.S. law restricted credit card interest rate increases and fees?
Answer
Credit CARD Act of 2009
What is the name of the temporary hold placed on funds when a credit card is used?
Answer
Authorization hold
Who founded the Visa credit card network?
Answer
Dee Hock
What do the first six digits of a credit card number represent?
Answer
Issuer Identification Number
What is the name of the fee charged when using a credit card to withdraw cash?
Answer
Cash advance fee
What color is the American Express Centurion Card?
Answer
Black