公开(公告)号：EP4425407A1

公开(公告)日：2024-09-04

申请号：EP22885679.5

申请日：2022-10-12

申请人： Digital Currency Institute, The People's Bank of China

发明人： MU, Changchun ,  DI, Gang ,  GUO, Wei ,  ZHAO, Xinyu ,  SHI, Zhan ,  CUI, Peidong

IPC分类号： G06Q20/30

CPC分类号： G06Q20/30 ,  G06Q20/38 ,  G06Q20/36

摘要： Provided is an internet of things payment method and apparatus based on a smart contract, which relates to the technical field of internet of things. A particular embodiment of the method comprises: deploying the smart contract to an internet of things device, performing a contract registration so as to and enable the smart contract to enter a monitoring state; and monitoring an external event by the smart contract, and switching, in a situation that the external event satisfies a trigger condition, the smart contract from the monitoring state to an executing state for internet of things payment; wherein the smart contract in the executing state still continues to monitor the external event. According to the embodiment, trusted payment, reliable user privacy protection and safe and convenient transaction payment are achieved.

公开(公告)号：EP4325413A1

公开(公告)日：2024-02-21

申请号：EP22787646.3

申请日：2022-04-15

申请人： Digital Currency Institute, The People's Bank of China

发明人： DI, Gang ,  MU, Changchun ,  ZHAO, Xinyu ,  CUI, Peidong ,  DU, Jinli ,  SHI, Zhan ,  HAO, Huiting ,  CHEN, Qiu ,  BIAN, Yongchao

IPC分类号： G06Q20/40

摘要： Provided are a digital currency payment method, apparatus, and system, and relates to the technical field of computers. A specific implementation of the method includes: sending a transaction amount to a first currency management apparatus corresponding to a first client, so as to enable the first currency management apparatus to determine whether the transaction amount is greater than an available balance of a first digital currency used for payment; and in the case where the transaction amount is not greater than the available balance, sending a payment request to a second client, the payment request indicating the first digital currency or a circulation identifier of the first digital currency, so as to enable a second currency management apparatus corresponding to the second client to cash, for the first currency management apparatus, a second digital currency corresponding to the transaction amount. With this implementation, the security and reliability in a digital currency transaction process are improved.

公开(公告)号：EP4421714A1

公开(公告)日：2024-08-28

申请号：EP22882821.6

申请日：2022-10-17

申请人： Digital Currency Institute, The People's Bank of China

发明人： MU, Changchun ,  DI, Gang ,  ZHAO, Xinyu ,  GUO, Jianchang ,  CUI, Peidong ,  YU, Peng ,  SHI, Zhan

IPC分类号： G06Q20/30 ,  G04R20/02

CPC分类号： G06Q20/30 ,  G04R20/02

摘要： The provided are a digital currency wallet management method, apparatus, and system, remote control methods and apparatuses for a digital currency wallet, and a remote control system for a digital currency wallet, which relate to the field of computer technologies. A specific implementation of the method includes: detecting a connection state with a digital currency platform; obtaining a current moment by means of a communication satellite in a case that the connection state with the digital currency platform indicates an offline state; calculating an offline duration according to the current moment and a self-saved last synchronization moment; determining whether the offline duration is greater than a preset offline duration; and in a case that it is determined that the offline duration is greater than the preset offline duration, generating a wallet key information set, and sending the wallet key information set to the digital currency platform, so that the digital currency platform synchronizes and processes the wallet key information set. According to the implementation, the clock accuracy of a digital currency wallet in an offline period is ensured, and the accuracy of transaction information is further ensured.

公开(公告)号：EP4325417A1

公开(公告)日：2024-02-21

申请号：EP22787632.3

申请日：2022-04-15

申请人： Digital Currency Institute, The People's Bank of China

发明人： DI, Gang ,  MU, Changchun ,  ZHAO, Xinyu ,  CUI, Peidong ,  DU, Jinli ,  SHI, Zhan

IPC分类号： G06Q40/04

摘要： Disclosed are a method, apparatus and system for exporting and recharging a digital currency, which mainly relate to the technical field of computers. The method includes: receiving a generation request of a digital currency sent by a digital currency terminal, wherein the generation request indicates a first denomination of the requested digital currency and user information corresponding to the digital currency terminal (S101); determining, according to the user information, an available currency corresponding to the user information and a second denomination of the available currency (S102); generating, according to the available currency and the second denomination of the available currency, the digital currency corresponding to the user information and the first denomination, and recording a status of the digital currency as an export status (S103), and notifying the digital currency terminal of the digital currency in the export status (S104). The method securely and effectively exports and recharges the digital currency, and facilitates the circulation of the digital currency.