Google's invention is about a fraud protection application that will allow a user to safely purchase goods without a physical account verifier such as a credit card. The application can initiate an independent connection with the financial institution's server and submit to the server verification data to validate the purchase. In response, the server can compare the data with identification data previously submitted by that purchaser's device and also with transaction data submitted by the merchant. If the verification data is validated then the server can approve the purchase and the transaction may proceed. If the verification data is not validated then the Fraud Protection Application can refuse the transaction.
Coincidentally the timing of this published patent filing comes on the heels of news that the e-Wallet system from AT&T, Verizon Wireless and T-Mobile USA called ISIS will go national later this year. Most modern Android phones have NFC already built-in to them and ready to take advantage of this system as it becomes available in cities across America by the key shopping season.
To review the full details of Google's invention, see patent application 20130198066 which was originally filed in Q1 2012 and published today by the US Patent and Trademark Office.
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