| 摘要 |
A method and apparatus is disclosed for approving a transaction request between an electronic transaction system and a portable electronic authorization device (PEAD) (200) carried by a user using an electronic service authorization token. The PEAD (200) provides information to the user regarding an ability to approve the request. When the transaction request is approved by the user, the PEAD (200) receives digital data representing the electronic service authorization token. |
