| 摘要 |
A system ( 211 ) and method ( 400 ) for reliable monitoring of secure applet events is provided. The system can include a Near Field Communication (NFC) modem ( 140 ) for communicating transaction events, a secure controller ( 200 ) for monitoring state transitions caused by the transaction events, and a mobile host ( 125 ) for receiving event notifications of the state transitions via an Applications Programming Interface. An NFC reader can send a Transaction Acknowledgement TACK ( 403 ) to the NFC modem to confirm a receipt of data associated with an applet event. An INFO message ( 405 ) can be included with the TACK for informing a user of secure contactless transaction status through a user interface ( 190 ) of the mobile host.
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