We analyze the security requirements for dynamic virtual credit card numbers, discuss the design space, propose a scheme using HMAC, and prove its security under the assumption the underlying function is a PRF. All purchases made with your temporary number will appear on your monthly. These numbers can be processed without changing any of the infrastructure currently in place the only changes will be at the end points, namely, the card users and the card issuers. Citi helps make my credit card number virtually impossible to steal by. We call the scheme dynamic because the virtual credit card numbers can be generated without online contact with the credit card issuers. A user can use an existing credit card account to generate multiple virtual credit card numbers that are either usable for a single transaction or are tied with a particular merchant.

We propose a dynamic virtual credit card number scheme that reduces the damage caused by stolen credit card numbers. A reloadable card, AAA MemberPay is a smart payment solution for travel budgeting and expenses, making online transactions. Single use non-reloadable ePayService Virtual Single can be a right payment instrument when it comes to one-time payments. Theft of stored credit card information is an increasing threat to e-commerce.

Disposable credit card info