More than 300 T.G.I. Friday's restaurants plan to use a payment card security method that masks sensitive transaction data with a numerical token, according to Merchant Link, the company providing the service.

The restaurant chain's use of the service, known as TransactionVault, marks a change in how corporate-owned restaurants process transactions, Merchant Link said. The T.G.I. Friday's restaurants no longer will store payment data on a computer server inside each restaurant. Instead, they will maintain the information on Merchant Link's payment gateway, said Dan Lane, Merchant Link's chief technology officer.

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