New posts in Credit Card

Hashing a credit card number for use as a fingerprint

Storing CVC / CVV / CVV2 until payment is processed

How can my bank debit card reader know that my pin is valid?

Detecting skimmers and other ATM traps

Is Visa PayWave secure?

Is a 3 or 4 digit CVV enough for online transactions?

What's the impact of disclosing the front-face of a credit or debit card?

How does Amazon bill me without the CVC / CVV / CVV2?

Is it standard practice to ask a customer to send a photo of their credit card to confirm their identity?

What prevents people getting charged over NFC in crowded places?