Abstract: The present disclosure relates to the technical field of computers. Disclosed are a digital currency transaction method and system and a digital currency card application apparatus. A specific embodiment of the method comprises: after receiving a transaction request sent by a second transaction device, a digital currency card application apparatus of a first transaction device acquiring a current power state of the first transaction device; and performing digital currency transaction with the second transaction device according to a transaction rule corresponding to the current power state of the first transaction device. According to the embodiment, the power state of a mobile intelligent terminal can be acquired, and transaction operations of the payment and the receipt on the digital currency in scenarios of power-on with power available, power-off with power available, and power-off without power available can be realized on the basis of the power state of the mobile intelligent device.

Abstract: The present application relates to the technical field of digital currency, and discloses a digital currency payment method and device. One specific embodiment of the method comprises: establishing a communication connection with a payee device through near field communication; acquiring a battery power of a device carrying a payment chip, when the payment chip enters a payment state based on the established communication connection; and powering the payment chip for the payment of digital currency by electricity generated in an antenna coil of the payment chip through a near field communication alternating magnetic field of the payee device, when the battery power is insufficient to support the payment of digital currency.

Abstract: Disclosed are a digital currency transaction method, apparatus and electronic device, and a computer-readable medium.

Abstract: The provided are a method, terminal, and system for updating a digital currency wallet, and relates to the field of computer technology. A specific implementation of the method includes: sending, based on user trigger, a query request about whether the digital currency wallet needs to be updated to a trusted platform; receiving a query result returned by the trusted platform; in the case that the query result indicates that the digital currency wallet needs to be updated, withdrawing a digital currency from the digital currency wallet, synchronizing offline transaction data of the digital currency wallet, and sending an update request to the trusted platform; receiving a target update instruction sent by the trusted platform, wherein the target update instruction indicates account data corresponding to the digital currency wallet; and updating the digital currency wallet based on the account data indicated by the target update instruction.

Abstract: The present disclosure provides a digital currency transaction method and system, and related transaction terminals, and relates to the field of computer technology. A specific implementation of the method includes: exchanging, by a first transaction terminal, user certificates with a second transaction terminal to verify user identities of the two parties after establishing a communication connection with the second transaction terminal, negotiating with the second transaction terminal to generate a transaction factor after confirming that the user identity verification of the two parties succeeds, and uploading first digital currency transaction information including the transaction factor to a first operating institution back-end system, and sending, by the first operating institution back-end system, the first digital currency transaction information to a second operating institution back-end system to complete the digital currency transaction.

Abstract: Provided are a digital currency-based transaction method and apparatus, relating to the technical field of digital currency. A specific implementation includes: establishing a Near Field Communication (NFC) connection with a transaction receiver (S101); exchanging an interaction capability parameter with the transaction receiver by means of the NFC connection, and performing a transaction feature negotiation to obtain transaction features supported by both parties of a transaction (S102); and initiating the transaction according to the transaction features, and completing the transaction with the transaction receiver according to the transaction features (S103). The present disclosure has the following beneficial implications that a quick transaction can be realized, a transaction success rate is improved, and the transaction performance is optimized.

Abstract: The present disclosure relates to the technical field of computers. Provided are a positioning and paying method, apparatus and system based on the Internet of Vehicles. A specific implementation of the method comprises: an in-vehicle client obtains position information of a vehicle on the basis of the Internet of Vehicles; and a management server determines a corresponding service entity for the vehicle on the basis of the position information, so as to automatically complete a fee payment operation by using a first digital currency wallet that is included in the in-vehicle client and a second digital currency wallet that is included in the service entity. Thus, the problems of a low degree of automation and a low payment efficiency caused by manual fee payment are overcome, thereby enhancing the user experience.

Abstract: 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.

Abstract: A digital currency payment method and system, and an apparatus, a security chip, and an application method, which relate to the technical field of computers. The payment method includes: generating a transaction amount, or acquiring, by means of a communication connection between a first client and a second client, the transaction amount sent by the second client; and sending a payment request to the second client by means of the communication connection, where the payment request indicates a first digital currency corresponding to the transaction amount 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 a second digital currency corresponding to the transaction amount to a first currency management apparatus corresponding to the first client.

Abstract: The present disclosure relates to a method, terminal and system for splitting, and managing a digital currency in a transaction. The method includes: determining a first transaction request indicating a digital currency and first transaction information; generating second transaction information including a second transaction amount according to the first transaction information; respectively signing the first transaction information and the second transaction information by using a private key of a first terminal; generating a first trust chain according to the signed first transaction information and the digital currency, and generating a second trust chain according to the signed second transaction information and the digital currency; and sending the first trust chain to a second terminal, so that the second terminal and the first terminal achieve, according to the first trust chain, an offline transaction corresponding to the first transaction amount included in the first transaction information.

Abstract: The disclosure relates to the technical field of computers. Disclosed are a digital currency management method, apparatus and system. A specific implementation of the method includes: sending one or more first digital currencies to a first currency management apparatus corresponding to a first client, where the one or more first digital currencies belong to one or more second currency management apparatuses different from the first currency management apparatus; and receiving a second digital currency, which is generated by the first currency management apparatus according to the one or more first digital currencies, where the denomination of the second digital currency is equal to the sum of denominations of the one or more first digital currencies.

Abstract: 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).

Abstract: A digital currency payment method and system, and an apparatus, a security chip, and an application method, which relate to the technical field of computers. The payment method includes: generating a transaction amount, or acquiring, by means of a communication connection between a first client and a second client, the transaction amount sent by the second client; and sending a payment request to the second client by means of the communication connection, where the payment request indicates a first digital currency corresponding to the transaction amount 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 a second digital currency corresponding to the transaction amount to a first currency management apparatus corresponding to the first client.

Abstract: A digital currency payment method and system, and an apparatus, a security chip, and an application method, which relate to the technical field of computers. The payment method includes: generating a transaction amount, or acquiring, by means of a communication connection between a first client and a second client, the transaction amount sent by the second client; and sending a payment request to the second client by means of the communication connection, where the payment request indicates a first digital currency corresponding to the transaction amount 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 a second digital currency corresponding to the transaction amount to a first currency management apparatus corresponding to the first client.