Implementation method and device of a car hard wallet

Abstract

The application discloses an implementation method and device of a car hard wallet, and relates to the technical field of financial machines. A specific implementation method of the method comprises the following steps: acquiring a control instruction input by a user; controlling a hard wallet module and a vehicle-mounted connection module to establish a channel connection according to the control instruction; and controlling the hard wallet module and a fee receiving end to be communicatively connected through the vehicle-mounted connection module, so that a digital currency transaction is performed. According to the implementation method, the car is combined with the hard wallet, and the user can complete various digital currency transaction functions without leaving the car, thereby solving the problem that, in the prior art, a car user needs to leave the car to complete a digital currency transaction, achieving the function that the user can complete a digital currency transaction through the car, and improving the user experience.

Description

Technical Field

[0001] The embodiments of the present invention relate to financial equipment technology, and more particularly to a method and apparatus for implementing a car hard wallet. Background Technology

[0002] As various countries issue digital currencies (such as the digital yuan), new transaction scenarios and devices based on digital currencies will become increasingly common. Currently, the hard wallets used for digital yuan payments are all portable devices, such as cards, mobile phones with security chips, etc.

[0003] However, when users need to use a hard wallet while driving, they often have to leave the car and use a transaction device to make a transaction, which is extremely inconvenient for users. Moreover, the transaction security is low, which can easily lead to unnecessary losses for users. Summary of the Invention

[0004] This invention provides a method and apparatus for implementing a car-based hard wallet, enabling users to complete various digital currency transactions without leaving their cars. This solves the problem that car users need to leave their vehicles to complete digital currency transactions, thus improving the user experience.

[0005] In a first aspect, embodiments of the present invention provide a method for implementing a car hardware wallet, comprising:

[0006] Obtain control commands input by the user;

[0007] The control command controls the hardware wallet module to establish a channel connection with the vehicle connectivity module.

[0008] The vehicle-mounted connectivity module controls the hardware wallet module to establish a communication connection with the payment receiving terminal for digital currency transactions.

[0009] Optionally, after obtaining the control command input by the user, the method further includes:

[0010] Monitor for the presence of a hardware wallet module connection;

[0011] If yes, then the vehicle connectivity module is started according to the control command; if no, then the user is notified to correctly connect the hardware wallet module.

[0012] Optionally, before establishing a channel connection between the hardware wallet module and the vehicle connectivity module according to the control command, the method further includes:

[0013] Verify whether the hardware wallet module is legitimate;

[0014] If yes, the hardware wallet module is allowed to establish a channel connection with the vehicle connectivity module; otherwise, the user is prompted to refuse the transaction.

[0015] Optionally, the step of controlling the hardware wallet module to establish a channel connection with the vehicle connectivity module according to the control command includes:

[0016] According to the control command, multiple hardware wallet modules and / or software wallet modules are simultaneously controlled to establish channel connections with the vehicle connection module.

[0017] According to a preset priority, one of the multiple hardware wallet modules and / or multiple software wallet modules is selected to establish a communication connection with the payment receiving terminal for digital currency transactions.

[0018] Optionally, after obtaining the control command input by the user, the method further includes:

[0019] The control command instructs the hardware wallet module to be installed on the vehicle.

[0020] The hardware wallet module establishes a communication connection with the payment receiving terminal to conduct digital currency transactions.

[0021] Secondly, embodiments of the present invention also provide an apparatus for implementing a car hard wallet, the apparatus comprising:

[0022] A hardware wallet module, which is used for digital currency transactions;

[0023] The vehicle-mounted connectivity module is connected between the hardware wallet module and the payment receiving terminal. It is used to control the hardware wallet module to communicate with the payment receiving terminal after establishing a channel connection with the hardware wallet module in order to conduct digital currency transactions.

[0024] Optionally, the vehicle connectivity module includes one or more vehicle connectivity units, which are disposed under, in front of, beside, and inside the vehicle.

[0025] Optionally, the vehicle connectivity module includes one or more first communication modules for communication with the outside of the vehicle, a communication management module, and a second communication module for communication with the hardware wallet.

[0026] Optionally, a detection module is also included, which is connected to the hardware wallet module and is used to detect whether the hardware wallet module is connected normally and whether it is legitimate.

[0027] Optionally, a display module is also included, which is connected to the vehicle connectivity module and is used to display the transaction status of the hard wallet.

[0028] This invention discloses a method and apparatus for implementing a car hardware wallet. The method includes: acquiring control commands input by a user; controlling a hardware wallet module to establish a channel connection with an in-vehicle connection module according to the control commands; and controlling the hardware wallet module to establish a communication connection with a payment receiver through the in-vehicle connection module to conduct digital currency transactions. This invention provides a method for implementing a car hardware wallet that combines a car with a hardware wallet, allowing users to complete various digital currency transactions without leaving their vehicles. This solves the problem in existing technologies where car users need to leave their cars to complete digital currency transactions, enabling users to complete digital currency transactions directly from their vehicles and improving the user experience. Attached Figure Description

[0029] Figure 1 This is a flowchart illustrating a method for implementing a car hardware wallet according to Embodiment 1 of the present invention.

[0030] Figure 2 This is a flowchart illustrating a method for implementing a car hardware wallet according to Embodiment 2 of the present invention.

[0031] Figure 3 This is a module connection diagram of an implementation device for a car hardware wallet provided in Embodiment 3 of the present invention;

[0032] Figure 4 This is a module connection diagram of an implementation device for an automotive hard wallet provided in Embodiment 4 of the present invention. Detailed Implementation

[0033] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0034] Before discussing the exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the steps as sequential processes, many of these steps can be performed in parallel, concurrently, or simultaneously. Furthermore, the order of the steps can be rearranged. A process can be terminated when its operation is complete, but it may also have additional steps not included in the figures. A process can correspond to a method, function, procedure, subroutine, subroutine, etc.

[0035] Furthermore, the terms "first," "second," etc., may be used herein to describe various directions, actions, steps, or elements, but these directions, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish a first direction, action, step, or element from another direction, action, step, or element. For example, without departing from the scope of this application, a first module may be referred to as a second module, and similarly, a second module may be referred to as a first module. Both the first module and the second module are modules, but they are not the same module. The terms "first," "second," etc., should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] Example 1

[0037] Figure 1 This is a flowchart illustrating a method for implementing a car hardware wallet according to Embodiment 1 of the present invention. The method is applicable to situations where users conduct hardware wallet transactions within a car. Specifically, the method for implementing a car hardware wallet according to Embodiment 1 includes:

[0038] Step 100: Obtain the control commands input by the user.

[0039] In this embodiment, a digital wallet is used to store digital currency and serves as a management tool for private keys, IDs, and digital currency data structures, significantly reducing cash transactions. Digital wallets include hardware wallets and software wallets. Software wallets allow users to use digital currency on any browser and mobile device, and typically offer additional features for greater convenience. Hardware wallets store the private key for digital assets separately on a chip, isolated from the internet and used for near-field communication. In this embodiment, the hardware wallet module is the hardware wallet, and the software wallet module is the software wallet. When a user needs to conduct a digital currency transaction while using the car, they first control the car via input commands to initiate the transaction. At this point, the user can connect to the hardware wallet.

[0040] Step 110: Control the hardware wallet module to establish a channel connection with the vehicle connection module according to the control command.

[0041] In this embodiment, the vehicle connectivity module is installed in the car and can connect to the hardware wallet and establish a channel, but it does not have the function of legally conducting digital currency transactions itself. The user connects the hardware wallet to the vehicle connectivity module, for example, by inserting a card-type hardware wallet into the car's card slot, bringing a mobile phone containing the hardware wallet close to a fixed contactless communication area in the car, or wirelessly connecting the mobile phone containing the hardware wallet to the vehicle connectivity module, etc. Control commands are input by the user, allowing the user to enable the car to enter a transaction state and conduct hardware wallet transactions through the car. After the hardware wallet is connected to the vehicle connectivity module, it can conduct direct currency transactions with other devices through the vehicle connectivity module.

[0042] In an alternative embodiment, step 110 further includes: simultaneously controlling multiple hardware wallet modules and / or software wallet modules to establish channel connections with the vehicle connectivity module according to the control instructions. One of the multiple hardware wallet modules and / or multiple software wallet modules is selected based on a preset priority to establish a communication connection with the payment receiving terminal for digital currency transactions.

[0043] In this embodiment, there can be multiple vehicle-mounted connection modules. For example, these modules can be placed in various locations on the vehicle, such as under the car, in front of the car, or on the side of the car, to facilitate connection with external transaction terminals. For example, users can simultaneously connect multiple hardware or software wallets to the various vehicle-mounted connection modules on the car, allowing multiple users to conduct currency transactions simultaneously in the car.

[0044] In this embodiment, when multiple hardware wallets or software wallets are connected to multiple in-vehicle connection modules of the car at the same time, a preset priority can be used to select one to prioritize communication connection with the payment receiving terminal. The preset priority can be set by the user or automatically identified by the car, and is not limited in this embodiment.

[0045] Step 120: Control the hardware wallet module to establish a communication connection with the payment receiving terminal through the vehicle connection module to conduct digital currency transactions.

[0046] In this embodiment, the vehicle-mounted connection module serves as the connection channel. When activated, the vehicle-mounted connection module acts as an extension of the hardware wallet's communication module, enabling a direct connection between the hardware wallet and the payment receiving end. At this time, the vehicle-mounted connection module only functions as a signal transmission relay. By connecting the vehicle-mounted connection module to the display device, users can intuitively obtain the transaction connection status on the display device, facilitating transactions.

[0047] In an alternative embodiment, after step 100, the method further includes: controlling the control command to install the hardware wallet module on the vehicle; and establishing a communication connection with a payment receiver via the hardware wallet module to conduct digital currency transactions.

[0048] In an alternative embodiment, the hardware wallet is directly installed in the car, eliminating the need for an onboard connectivity module. Once activated, the hardware wallet communicates directly with the receiving end via the car, acting as the payment terminal. After a successful connection, cryptocurrency transactions can be conducted. By directly integrating the hardware wallet with the car, the intermediate connection and transmission process is reduced, allowing the car to directly function as the hardware wallet for transactions, making the process simpler and faster.

[0049] This invention discloses a method for implementing a car hardware wallet. The method includes: acquiring control commands input by a user; controlling a hardware wallet module to establish a channel connection with an in-vehicle connectivity module according to the control commands; and controlling the hardware wallet module to establish a communication connection with a payment receiver via the in-vehicle connectivity module to conduct cryptocurrency transactions. This invention provides a method for implementing a car hardware wallet that combines a car with a hardware wallet, allowing users to complete various cryptocurrency transactions without leaving their vehicles. This solves the problem in existing technologies where car users need to leave their cars to complete cryptocurrency transactions, enabling users to complete cryptocurrency transactions directly from their vehicles and improving the user experience.

[0050] Example 2

[0051] Figure 2 This is a flowchart illustrating a method for implementing a car hardware wallet according to Embodiment 2. The method for implementing a car hardware wallet provided in this embodiment is applicable to situations where users conduct hardware wallet transactions within a car. Specifically, the method for implementing a car hardware wallet according to Embodiment 2 includes:

[0052] Step 200: Obtain the control commands input by the user.

[0053] Step 210: Monitor whether a hardware wallet module is connected.

[0054] In this embodiment, after the user inputs the control command to conduct the transaction, the car will determine whether the hardware wallet is connected to the car. If there is a hardware wallet connection failure or hardware wallet malfunction, the car will detect that the hardware wallet is not properly connected.

[0055] Step 220: If yes, then control the vehicle connection module to start according to the control command; if no, then notify the user to correctly connect the hardware wallet module.

[0056] In this embodiment, when the hardware wallet and the vehicle connectivity module are normally connected, passengers in the vehicle can use the in-vehicle console or control buttons to activate the vehicle connectivity module, enabling communication between the module and the hardware wallet. Users can also deactivate the vehicle connectivity module using the in-vehicle console or control buttons. When deactivated, external hardware wallets or other terminals cannot transact with the hardware wallet through the vehicle connectivity module.

[0057] Step 230: Verify whether the hardware wallet module is legitimate.

[0058] In this embodiment, after the hardware wallet is successfully connected to the vehicle connectivity module, the verification module verifies the legitimacy of the hardware wallet. Specifically, the hardware wallet connects to the verification module, which first reads various data information from the hardware wallet, including authentication information, encrypted information, etc. Then, the verification module sends encrypted verification data to the hardware wallet. When the encrypted data returned by the hardware wallet passes verification, the hardware wallet verification is complete.

[0059] Step 240: If yes, allow the hardware wallet module to establish a channel connection with the vehicle connection module; if no, prompt the user to refuse the transaction.

[0060] In this embodiment, once the hardware wallet is successfully verified, it can connect to the payment receiving terminal via the vehicle connectivity module to conduct cryptocurrency transactions. If the hardware wallet verification fails, it indicates a security issue with the hardware wallet, and the user will be prompted to refuse the transaction to prevent malicious actors from harming the user's assets.

[0061] Step 250: Control the hardware wallet module to establish a channel connection with the vehicle connection module according to the control command.

[0062] Step 260: Control the hardware wallet module to establish a communication connection with the payment receiving terminal through the vehicle connection module to conduct digital currency transactions.

[0063] This invention discloses a method for implementing a car hardware wallet. The method includes: acquiring a control command input by a user; monitoring whether a hardware wallet module is connected; if so, controlling the vehicle connection module to start according to the control command; if not, notifying the user to correctly connect to the hardware wallet module; verifying the validity of the hardware wallet module; if so, allowing the hardware wallet module to establish a channel connection with the vehicle connection module; if not, prompting the user to refuse the transaction; controlling the hardware wallet module to establish a channel connection with the vehicle connection module according to the control command; and controlling the hardware wallet module to communicate with a payment receiver through the vehicle connection module to conduct digital currency transactions. This invention provides a method for implementing a car hardware wallet, combining the car with a hardware wallet, allowing users to complete various digital currency transactions without leaving the car. This solves the problem in existing technologies where car users need to leave their cars to complete digital currency transactions, enabling users to complete digital currency transactions directly from their cars and improving the user experience.

[0064] Example 3

[0065] Figure 3 This is a module connection diagram of an implementation device for a car hardware wallet provided in Embodiment 3 of the present invention. The implementation device for a car hardware wallet provided in this embodiment of the present invention is suitable for users to conduct hardware wallet transactions in a car. Specifically, the implementation device for a car hardware wallet provided in Embodiment 3 of the present invention includes: a hardware wallet module 1 and an in-vehicle connection module 2.

[0066] The hardware wallet module 1 is used for digital currency transactions.

[0067] In this embodiment, a hardware wallet refers to a chip that stores the private key of digital assets separately, isolated from the internet, and is plug-and-play. Digital currency transactions can be conducted by connecting the hardware wallet module 1 to a card reader or similar device. In this embodiment, the hardware wallet module 1 includes a communication extension management module that can be connected to the vehicle connectivity module 2. Data transmission is performed after the communication extension management module establishes a communication connection with the vehicle connectivity module 2.

[0068] The vehicle-mounted connection module 2 is connected between the hardware wallet module 1 and the payment receiving terminal 3. After establishing a channel connection with the hardware wallet module 1, it controls the hardware wallet module 1 to establish a communication connection with the payment receiving terminal 3 to conduct digital currency transactions.

[0069] In this embodiment, the vehicle-mounted connection module 2 is installed on the vehicle and can connect to the hardware wallet module 1 to establish a channel, but it does not have the function of legally conducting digital currency transactions itself. Users connect the hardware wallet module 1 to the vehicle-mounted connection module 2, for example, by inserting a card-type hardware wallet into the car's card slot, placing a mobile phone near a fixed contactless communication area on the car, or wirelessly connecting the mobile phone to the vehicle-mounted module, etc. Control commands are input by the user, allowing the user to put the car into a transaction state and conduct hardware wallet transactions through the car. After the hardware wallet module 1 and the vehicle-mounted connection module 2 are connected, the hardware wallet module 1 can conduct direct currency transactions with other devices through the vehicle-mounted connection module 2. Specifically, in this embodiment, the vehicle-mounted connection module 2 includes one or more vehicle-mounted connection units, which are located under, in front of, beside, and inside the car. Multiple vehicle-mounted connection units can enable the car to connect to multiple hardware wallets simultaneously. For example, users can simultaneously connect multiple hardware wallets or software wallets to various vehicle-mounted connection modules 2 on the car, allowing multiple users to conduct currency transactions simultaneously in the car. In this embodiment, the vehicle-mounted connection module 2 includes one or more first communication modules for communication with the outside of the vehicle, a communication management module, and a second communication module for communication with the hardware wallet. The first communication module is used to establish a communication connection with the payment receiving terminal 3 outside the vehicle, and the second communication module is used to connect with the communication extension management module of the hardware wallet. The communication management module is used to manage and allocate communication. For example, when multiple hardware wallets are connected simultaneously, one of the multiple hardware wallets is selected for connection first.

[0070] This invention discloses a device for implementing a car hardware wallet. The device includes: a hardware wallet module 1 for conducting cryptocurrency transactions; and an in-vehicle connection module 2 connected between the hardware wallet module 1 and a payment receiver 3. The in-vehicle connection module 2 is used to control the communication connection between the hardware wallet module 1 and the payment receiver 3 after establishing a channel connection with the hardware wallet module 1 to conduct cryptocurrency transactions. This invention provides a device for implementing a car hardware wallet that combines a car with a hardware wallet, allowing users to complete various cryptocurrency transactions without leaving their vehicles. This solves the problem in existing technologies where car users need to leave their cars to complete cryptocurrency transactions, enabling users to complete cryptocurrency transactions directly from their vehicles and improving the user experience.

[0071] Example 4

[0072] Figure 4This is a module connection diagram of an implementation device for a car hardware wallet provided in Embodiment 4 of the present invention. The implementation device for a car hardware wallet provided in this embodiment of the present invention is suitable for users to conduct hardware wallet transactions in a car. Specifically, the implementation device for a car hardware wallet provided in Embodiment 4 of the present invention includes: a hardware wallet module 1, an in-vehicle connection module 2, a detection module 4, and a display module 5.

[0073] The hardware wallet module 1 is used for digital currency transactions.

[0074] In this embodiment, a hardware wallet refers to a chip that stores the private key of digital assets separately, isolated from the internet, and is plug-and-play. Digital currency transactions can be conducted by connecting the hardware wallet module 1 to a card reader or similar device. In this embodiment, the hardware wallet module 1 includes a communication extension management module that can connect to the vehicle-mounted connection module 2. Data transmission is performed after the communication extension management module establishes a communication connection with the vehicle-mounted connection module 2.

[0075] The vehicle-mounted connection module 2 is connected between the hardware wallet module 1 and the payment receiving terminal 3. After establishing a channel connection with the hardware wallet module 1, it controls the hardware wallet module 1 to establish a communication connection with the payment receiving terminal 3 to conduct digital currency transactions.

[0076] In this embodiment, the vehicle-mounted connection module 2 is installed on the vehicle and can connect to the hardware wallet module 1 to establish a channel, but it does not have the function of legally conducting digital currency transactions itself. Users connect the hardware wallet module 1 to the vehicle-mounted connection module 2, for example, by inserting a card-type hardware wallet into the car's card slot, placing a mobile phone near a fixed contactless communication area on the car, or wirelessly connecting the mobile phone to the vehicle-mounted module, etc. Control commands are input by the user, allowing the user to put the car into a transaction state and conduct hardware wallet transactions through the car. After the hardware wallet module 1 and the vehicle-mounted connection module 2 are connected, the hardware wallet module 1 can conduct direct currency transactions with other devices through the vehicle-mounted connection module 2. Specifically, in this embodiment, the vehicle-mounted connection module 2 includes one or more vehicle-mounted connection units, which are located under, in front of, beside, and inside the car. Multiple vehicle-mounted connection units can enable the car to connect to multiple hardware wallets simultaneously. For example, users can simultaneously connect multiple hardware wallets or software wallets to various vehicle-mounted connection modules 2 on the car, allowing multiple users to conduct currency transactions simultaneously in the car. In this embodiment, the vehicle-mounted connection module 2 includes one or more first communication modules for communication with the outside of the vehicle, a communication management module, and a second communication module for communication with the hardware wallet. The first communication module is used to establish a communication connection with the payment receiving terminal 3 outside the vehicle, and the second communication module is used to connect with the communication extension management module of the hardware wallet. The communication management module is used to manage and allocate communication. For example, when multiple hardware wallets are connected simultaneously, one of the multiple hardware wallets is selected for connection first.

[0077] The detection module 4 is connected to the hardware wallet module 1 and is used to detect whether the hardware wallet module 1 is connected normally and whether it is legitimate.

[0078] In this embodiment, after the user inputs the control command to conduct a transaction, the detection module 4 determines whether the hardware wallet is inserted into the car. If there is a hardware wallet connection failure or a hardware wallet malfunction, the car will detect that the hardware wallet is not properly connected. When the hardware wallet module 1 is properly connected to the vehicle connection module 2, the occupants of the car can operate the in-car console or control buttons to activate the vehicle connection module 2, enabling communication between the vehicle connection module 2 and the hardware wallet module 1. The user can also deactivate the vehicle connection module 2 by operating the in-car console or control buttons. When deactivated, the hardware wallet module 1 or other terminals outside the car cannot transact with the hardware wallet module 1 through the vehicle connection module 2. After the hardware wallet is properly connected to the vehicle connection module 2, the detection module 4 verifies the validity of the hardware wallet. Specifically, the hardware wallet can be connected to the verification module. The detection module 4 first reads various data information of the hardware wallet, including authentication information, encrypted information, etc. Then, the verification module sends verification encrypted data to the hardware wallet. When the encrypted data returned by the hardware wallet passes the verification, the hardware wallet verification is complete.

[0079] The display module 5 is connected to the vehicle connection module 2 and is used to display the transaction status of the hard wallet.

[0080] In this embodiment, the display module 5 can be an LED display, an OLED display, or an LCD display, etc. The display module 5 can display the transaction status of the hard wallet module 1 in real time, thereby improving the user's transaction experience.

[0081] This invention discloses a device for implementing a car hardware wallet. The device includes: a hardware wallet module 1 for conducting cryptocurrency transactions; an in-vehicle connection module 2 connected between the hardware wallet module 1 and a payment receiver 3, used to control the communication connection between the hardware wallet module 1 and the payment receiver 3 after establishing a channel connection with the hardware wallet module 1 for cryptocurrency transactions; a detection module 4 connected to the hardware wallet module 1 for detecting whether the hardware wallet module 1 is properly and legally connected; and a display module 5 connected to the in-vehicle connection module 2 for displaying the transaction status of the hardware wallet. This invention provides a device for implementing a car hardware wallet, combining a car with a hardware wallet, allowing users to complete various cryptocurrency transactions without leaving their vehicles. This solves the problem in existing technologies where car users need to leave their cars to complete cryptocurrency transactions, enabling users to complete cryptocurrency transactions directly from their vehicles and improving the user experience.

[0082] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A method for implementing a car hardware wallet, characterized in that, include: Obtain control commands input by the user to put the car into a transaction state; Determine if the hardware wallet module is connected to the car; If not, then notify the user to correctly connect the hardware wallet module. If so, the vehicle connection module is started according to the control command, and the hardware wallet module is connected to the vehicle connection module to establish a channel connection according to the control command; through the vehicle connection module, the hardware wallet module is connected to the payment receiving terminal to conduct digital currency transactions directly.

2. The method according to claim 1, characterized in that, Before the step of controlling the hardware wallet module to establish a channel connection with the vehicle connectivity module according to the control command, the method further includes: Verify whether the hardware wallet module is legitimate; If yes, the hardware wallet module is allowed to establish a channel connection with the vehicle connectivity module; otherwise, the user is prompted to refuse the transaction.

3. The method according to claim 1, characterized in that, The step of controlling the hardware wallet module to establish a channel connection with the vehicle connectivity module according to the control command includes: According to the control command, multiple hardware wallet modules are simultaneously controlled to establish channel connections with the vehicle connection module; One of the multiple hardware wallet modules is selected according to a preset priority to establish a communication connection with the payment receiving terminal for digital currency transactions.

4. The method according to claim 1, characterized in that, The step of controlling the hardware wallet module to establish a channel connection with the vehicle connectivity module according to the control command includes: According to the control command, multiple hardware wallet modules and software wallet modules are simultaneously controlled to establish channel connections with the vehicle connection module; One of the multiple hardware wallet modules and software wallet modules is selected according to a preset priority to establish a communication connection with the payment receiving terminal for digital currency transactions.

5. A device for realizing a car hard wallet, characterized in that, include: The hardware wallet module is used for digital currency transactions; The vehicle-mounted connection module is connected between the hardware wallet module and the payment receiving terminal. After establishing a channel connection with the hardware wallet module, it controls the hardware wallet module to establish a communication connection with the payment receiving terminal so as to directly conduct digital currency transactions. A detection module, which is connected to the hardware wallet module, is used to detect whether the hardware wallet module is properly connected to the car; The device is also used to: acquire control commands input by the user to enable the vehicle to enter a transaction state; if the hardware wallet module is not properly connected to the vehicle, notify the user to correctly connect the hardware wallet module; if the hardware wallet module is properly connected to the vehicle, control the vehicle connection module to start according to the control commands.

6. The apparatus according to claim 5, characterized in that, The vehicle connection module includes one or more vehicle connection units, which are disposed under, in front of, beside, and inside the vehicle.

7. The apparatus according to claim 5, characterized in that, The vehicle-mounted connectivity module includes a first communication module, a communication management module, and a second communication module that communicates with the hardware wallet module. The first communication module is used to establish a communication connection with the payment receiving terminal outside the vehicle.

8. The apparatus according to claim 5, characterized in that, It also includes a detection module, which is used to detect whether the hardware wallet module is legitimate.

9. The apparatus according to claim 5, characterized in that, It also includes a display module, which is connected to the vehicle connection module and is used to display the transaction status of the hardware wallet module.

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