Method of authenticating a payment account user

专利名称：Method of authenticating a payment

account user

发明人：Joseph A. McDonnell,Mark E.

Crowson,Edward R. Weintraub,AlessandroWarth

申请号：US09785217申请日：20010220

公开号：US20020116333A1公开日：20020822

专利附图：

摘要：In the method of authenticating a payment account user, payment account

information indicating the payment account of a user and a purchase amount is received.Then a first authentication scheme is performed to authenticate the user as a valid userof the payment account if the purchase amount is below a predetermined threshold. Or,a second authentication scheme is performed to authenticate the user as a valid user ofthe payment account if the purchase amount is above the predetermined threshold.

申请人：MCDONNELL JOSEPH A.,CROWSON MARK E.,WEINTRAUB EDWARD R.,WARTHALESSANDRO

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