Patent ID: 11887111
Assignee: TENDYRON CORPORATION
Field: IT methods for management (Electrical engineering)
Classification: CPC G | IPC G

Claim 8:
9. The method according to claim 8, further comprising:
performing an online connection, by the second security control module, with a back end through the second communication module, transmitting the first transaction record, the first balance and an original self offline balance to the back end, receiving a new self electronic currency issued by the back end after the back end confirms that the first transaction record, the first balance and the original self offline balance are correct, and controlling the second file storage module to store the new self electronic currency; deleting all electronic currencies stored in the second file storage module, and setting the current in-transit balance to zero and a current self offline balance to a denomination of the new self electronic currency, wherein the denomination of the new self electronic currency is equal to a sum of the first balance and the original self offline balance.