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An（ ），serving a function similar to a physical wallet,holds credit card numbers,electronic cash,owner identification,and owner contact information and provides that information at an electronic commerce site"s checkout counter.

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An（ ），serving a function similar to a physical wallet,holds credit card numbers,electronic cash,owner identification,and owner contact information and provides that information at an electronic commerce site"s checkout counter.

Aelectronic wallet

Belectronic commerce

Cthird party payment

DInternet banking

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