Device including encrypted data for expiration date and verification value creation

This invention describes a system for more secure payment transactions where a server computer receives an initial authorization request containing a temporary, "second" account number and related details. These temporary details are generated using an encrypted portion of a real account number. The server recognizes this temporary information, then uses the actual, "first" account number and its real details to obtain authorization from the bank, preventing the real account information from being transmitted from the merchant to the payment network.

Why it matters: Since 2021, the increasing sophistication of payment fraud and the global emphasis on data privacy have heightened the demand for advanced tokenization and alias generation methods, making systems that create temporary payment credentials from encrypted account portions more relevant for securing transactions.

Status: Not in forceListed as no longer active. The specific reason is not in the record we hold.
How hard to build: SpecializedSoftware logic, payment network integration

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