Electronic device and payment method using the same

1. An electronic device comprising:

a communication circuitry;

a display;

one or more processors; and

memory storing instructions that, when executed by the one or more processors, cause the electronic device to;

display at least one image and/or text related to payment information on the display,

perform an authentication of a user based on a user input,

in accordance with the authentication of the user being successful, detect an approach of an external device within a predetermined distance from the electronic device,

transmit, via the communication circuitry, a first signal for requesting an authentication of the external device to the external device,

receive, via the communication circuitry, a first response signal including a certificate of the external device,

perform the authentication of the external device based on the certificate of the external device,

in accordance with the authentication of the external device being successful, transmit, via the communication circuitry, a second signal related to a payment process to the external device,

receive, via the communication circuitry, a second response signal corresponding the second signal from the external device,

in response to receiving the second response signal, transmit, via the communication circuitry, a third signal for indicating that the payment process has been completed to the external device, and

in accordance with a third response signal corresponding the third signal being not identified within a predetermined time after third signal is transmitted, cause the external device to be in an untradeable state.

2. The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

control to temporarily store data related to the payment process in an incomplete state in the memory in response to the case where a response of the external device for the third signal is unable to be identified within a predetermined time after the third signal is transmitted, and

output, on the display, information indicating that the external device may be maintained in the untradeable state in case that an abnormal operation occurs in the payment process, and the external device is unable to re-approach within the predetermined distance from the electronic device, in response to identification of a storage of the data related to the payment process in the incomplete state.

3. The electronic device of claim 2 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

output, on the display, information indicating existence of a transaction stored in the incomplete state in response to the identification of the storage of the data related to the payment process in the incomplete state, and

output, on the display, transaction information stored in the incomplete state in response to the user input.

4. The electronic device of claim 2 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

control to output, on the display, information for requesting to make the external device approach within the predetermined distance from the electronic device, and

control to re-proceed with the payment process in response to the approach of the external device or to completely end a payment processor in response to the at least a part of the user input.

5. The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

cancel the payment process based on the case where a response of the external device for the third signal is unable to be identified within a predetermined time after the third signal is transmitted, and

output, on the display, information indicating that the payment process has been canceled.

6. The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

control not to complete the payment process based on that a response of the external device for the second signal is unable to be identified within a predetermined time after the second signal is transmitted, and

output, on the display, information indicating whether to store an identification (ID) of the external device in a blacklist in the memory.

7. The electronic device of claim 6 , wherein the instructions, when executed by the one or more processors, cause the electronic device to store the identification (ID) of the external device in the blacklist in the memory in response to the at least a part of the user input.

8. The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

complete the payment process in response to the identification of a response of the external device for the third signal, and

output, on the display, information indicating that the payment process has been completed.

9. The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

transmit, via the communication circuitry, the first signal for requesting the authentication of the external device to the external device, and

output, on the display, information indicating that a transaction with the external device is not possible in response to a case that the authentication of the external device is not identified.

10. The electronic device of claim 1 , wherein the second signal comprises at least one of transaction history information of the payment process, authentication information of the electronic device, or information indicating performing of the payment process.

11. The electronic device of claim 1 , wherein the third signal comprises at least one of transaction history information of the payment process or information indicating the completion of the payment process.

12. The electronic device of claim 1 , wherein the instructions, when executed by the one or more processors, cause the electronic device to:

identify an identification (ID) of the external device in a blacklist in the memory,

confirm a transaction of the payment process in response to reception of a transaction confirmation request of the payment process that is temporarily stored in the memory in an incomplete state from a server operatively connected to the electronic device and the external device, and

transmit information indicating that the transaction has been confirmed to the server by using the communication circuitry.

13. A payment method using an electronic device, the method comprising:

displaying at least one image and/or text related to payment information on a display of the electronic device;

performing an authentication of a user based on a user input;

in accordance with the authentication of the user being successful, detecting an approach of an external device within a predetermined distance from the electronic device;

transmitting, via a communication circuitry of the electronic device, a first signal for requesting an authentication of the external device to the external device;

receiving, via the communication circuitry, a first response signal including a certificate of the external device;

performing the authentication of the external device based on the certificate of the external device;

in accordance with the authentication of the external device being successful, transmitting, via the communication circuitry, a second signal related to a payment process to the external device;

receiving, via the communication circuitry, a second response signal corresponding the second signal from the external device;

in response to receiving the second response signal, transmit, via the communication circuitry, a third signal for indicating that the payment process has been completed to the external device; and

in accordance with a third response signal corresponding the third signal being not identified within a predetermined time after third signal is transmitted, causing the external device to be in an untradeable state.

14. The method of claim 13 , further comprising:

controlling to temporarily store data related to the payment process in an incomplete state in a memory of the electronic device in response to the case where a response of the external device for the third signal is unable to be identified within a predetermined time after the third signal is transmitted; and

outputting, on the display, information indicating that the external device may be maintained in the untradeable state in case that an abnormal operation occurs in the payment process, and the external device is unable to re-approach within the predetermined distance from the electronic device, in response to identification of a storage of the data related to the payment process in the incomplete state.

15. The method of claim 14 , further comprising:

outputting, on the display, information indicating existence of a transaction stored in the incomplete state in response to the identification of the storage of the data related to the payment process in the incomplete state; and

outputting, on the display, transaction information stored in the incomplete state in response to the user input.

16. The method of claim 14 , further comprising:

controlling to output, on the display, information for requesting to make the external device approach within the predetermined distance from the electronic device; and

controlling to re-proceed with the payment process in response to the approach of the external device or to completely end a payment processor in response to the at least a part of the user input.

17. The method of claim 13 , further comprising:

cancelling the payment process based on the case where a response of the external device for the third signal is unable to be identified within a predetermined time after the third signal is transmitted; and

outputting, on the display, information indicating that the payment process has been canceled.

18. The method of claim 13 , further comprising:

completing the payment process in response to the identification of a response of the external device for the third signal; and

outputting, on the display, information indicating that the payment process has been completed.

19. The method of claim 13 , wherein the transmitting, via the communication circuitry, of the first signal for requesting the authentication to the external device further comprises:

outputting, on the display, information indicating that a transaction with the external device is not possible in response to a case that the authentication of the external device is not identified.

20. The method of claim 13 , further comprising:

identifying an identification (ID) of the external device in a blacklist in a memory of the electronic device and confirming a transaction of the payment process in response to reception of a transaction confirmation request of the payment process from a server operatively connected to the electronic device and the external device; and

transmitting information indicating that the transaction has been confirmed to the server by using the communication circuitry.