TW202042137A - Intelligent wallet apparatus and method for operating the same - Google Patents

Abstract

An intelligent wallet apparatus and a method for operating the same are provided. The intelligent wallet apparatus is used to manage one or more decentralized applications, e.g. cryptographic currency. A biometric identification module of the apparatus reads biometric features via a biometric feature reading interface. The apparatus is authorized to perform one of decentralized applications after verifying the biometric features received by a security authentication module. A image-processing module controls a display screen to display decentralized application information such as wallet information and a wallet address. The intelligent wallet apparatus is connected with a computer device that executes a wallet program. The decentralized application data can be fetched via blockchain after using a biometric identification technology of the wallet apparatus to verify an identity. The wallet data is displayed on the display screen, and the follow-up actions can be performed.

Description

Smart wallet device and its operating method

The present invention relates to a smart wallet for managing decentralized applications, in particular to a smart wallet device with a display capable of synchronizing data of decentralized applications and an operating method thereof.

Cryptocurrency, such as bitcoin, is a virtual currency created using algorithms and cryptography. Because there is no physical currency issued, an electronic device is required to implement a wallet for recording cryptocurrencies. The main ones are Record the keys and wallet addresses that are exclusive to individuals who can access their own cryptocurrency. The value and transaction records of cryptocurrency are recorded in a distributed manner under blockchain technology through a decentralized consensus mechanism. In the ledger. Once you need to trade encrypted currency, you need to take out your own key, set the transaction amount, and execute the transfer of the encrypted currency to another person's wallet address or transfer the currency.

Cryptocurrency and other virtual currencies need a wallet as an interface to connect to the virtual world. If users need to perform transactions in encrypted currency, they need to use a wallet. The function of the wallet is to send and receive encrypted currency. It can be software that runs on a specific computer device. Account password protection, also use software to send and receive encrypted currency. The wallet can also be hardware, which operates a cold wallet, which can be carried offline. Most wallets are dedicated to a specific type of cryptocurrency, and different cryptocurrencies require different wallets.

The cold wallet is a device that needs to be connected to a computer device to use cryptocurrency transactions. For example, the USB interface on the cold wallet device is used to connect the computer device, and the wallet-related program in the computer device is used to access the cold wallet device. Password (such as PIN code) authentication. After the wallet is activated, the key is used to sign the transaction. The signed transaction is then broadcast to the blockchain for verification by the miner. After verification, the transaction is completed. The user must keep in mind the password of the cold wallet and activate the cold wallet with the key.

The disclosure book proposes a smart wallet device and its operating method. Compared with the conventional cold wallet, the smart wallet device is a portable device for managing various resources of a decentralized application (Decentralized Application, DApp), and the decentralized application includes Manage cryptocurrency (Cryptocurrency), keys (Key), distributed ledger (Distributed Ledger), etc., for example, can realize a wallet device, and can support multiple wallets and multiple cryptocurrencies, and store the keys of each cryptocurrency , Applying biometric technology to authenticate identity before using the smart wallet device, and can perform transactions through identification code conversion after connecting with the computer device.

According to the embodiment of the smart wallet device, the main circuit such as a micro-control unit is used to control the operation of multiple circuit modules in the smart wallet device; such as a communication module to connect to a computer device; such as a biometric module, which can be Read biometric features through a biometric reading interface; such as a security authentication module, the biometric features generated by the biometric module can be obtained through the micro-control unit to verify that a computer device is authorized to use a smart wallet device; such as an image processing module Group, used to control a display screen to display information about decentralized applications, such as wallet information and wallet address; such as a power management module, used to control the power supply of smart wallet devices.

Preferably, the smart wallet device is used to manage various decentralized applications, such as supporting one or more cryptocurrencies, and transactions can be performed with one of the cryptocurrencies through the computer device.

According to an embodiment of the operation method of a smart wallet device, the method is applied to a smart wallet device. In the method, the smart wallet device first connects to a computer device with a wireless communication technology, and performs identity authentication through the biometric technology supported by the smart wallet device After the identity authentication, the computer device obtains the data of the decentralized application and the verification data formed by the key encryption algorithm, so that the computer device synchronizes the data of the decentralized application via the blockchain and can be displayed on the display screen of the smart wallet device Information about decentralized applications.

In one embodiment, the decentralized application may be a smart wallet, and the information of the decentralized application received by the computer device is, for example, a wallet address, so that the smart wallet device can obtain it through a blockchain according to the wallet address Wallet information, and then display the wallet information on the display screen.

Preferably, the smart wallet device can pair with the computer device and complete the connection with a Bluetooth communication technology, and activate a wallet program in the computer device to synchronize the wallet data.

Further, in an application, the computer device executes the wallet program to trade one of the supported cryptocurrencies, sets a transaction amount through the wallet program, and after connecting to the smart wallet device and performing identity authentication, it passes the node verification on the blockchain After completing the transaction.

Further, in another application, a wallet address is displayed on the display screen of the smart wallet device, which can be expressed in the form of a QR code. The wallet program in the computer device reads the wallet address, and can receive others accordingly. The set transaction amount can be completed after connecting to the smart wallet device and performing identity authentication.

Further, the smart wallet device can be provided with one or more wallets, each wallet supports one or more cryptocurrencies, the smart wallet device stores the key corresponding to each cryptocurrency, and can display one of the wallet positions on the display screen of the smart wallet device site.

In order to further understand the features and technical content of the present invention, please refer to the following detailed description and drawings about the present invention. However, the provided drawings are only for reference and description, and are not used to limit the present invention.

The following are specific examples to illustrate the implementation of the present invention, and those skilled in the art can understand the advantages and effects of the present invention from the content disclosed in this specification. The present invention can be implemented or applied through other different specific embodiments, and various details in this specification can also be modified and changed based on different viewpoints and applications without departing from the concept of the present invention. In addition, the drawings of the present invention are merely schematic illustrations, and are not drawn according to actual dimensions, and are stated in advance. The following embodiments will further describe the related technical content of the present invention in detail, but the disclosed content is not intended to limit the protection scope of the present invention.

It should be understood that although terms such as “first”, “second”, and “third” may be used herein to describe various elements or signals, these elements or signals should not be limited by these terms. These terms are mainly used to distinguish one element from another, or one signal from another signal. In addition, the term "or" used in this document may include any one or a combination of more of the associated listed items depending on the actual situation.

The disclosure book discloses a smart wallet device that can be used to manage various resources that apply blockchain technology, including managing one or more decentralizations such as cryptocurrency, keys, and distributed ledgers (Distributed Ledger) Application (Decentralized Application, DApp). The smart wallet device is preferably designed with the concept of being convenient to carry around, and generally takes miniaturization as the design direction, such as a card type, a bracelet type, or a USB dongle type device, as described in FIG. 1.

Taking the blockchain technology application of cryptocurrency as an example, the smart wallet device implements a cold wallet or hardware wallet, a hierarchical deterministic wallet, and supports simultaneous It contains the information of one or more cryptocurrency wallets owned by the user, and stores the key and wallet address corresponding to each cryptocurrency in the memory. It is mentioned here that each encrypted currency stores one or a series of key pairs through the smart wallet device. Each key pair includes a private key and a public key. The private key can be used as an access specific key. The identity of the encrypted currency, the user uses the key (referring to the non-public private key) as his own identity proof, and has the ownership and control of the encrypted currency he owns. When paying for the transaction, he needs to use this key as the transaction signature , Prove that you are the owner and can use this cryptocurrency. The public key is generated corresponding to the private key and is provided to the node of the blockchain to determine that a certain transaction is issued by the owner of the corresponding private key to verify the validity of the transaction.

FIG. 1 shows a schematic diagram of an embodiment of the basic structure of a smart wallet device 10. In this example, the smart wallet device 10 can be realized in the form of a card, but the actual implementation is not limited to the appearance of a specific device.

The shell of the smart wallet device 10 is provided with a power switch 101 that is electrically connected to the internal power management circuit, so that the user can touch the smart wallet device 10 to start the smart wallet device 10, and can be provided with a power indicator 102 that can be used for various lights (such as blinking on and off) , Breathing light, color change) The change indicates the power status of the device, which is used to indicate the charging status, voltage status, device switching status, low voltage warning, etc., and other indicators can also be set to express more abundant device status, such as device operation The indicator light 104 can be changed to indicate the operating state of the device through the light signal. For example, since the smart wallet device 10 integrates a variety of communication and authentication technologies, the device operation indicator 104 can be used to remind the communication module in operation, whether the authentication is successful, and whether the device is correct by flashing, breathing light, color change, etc. Operation etc.

The smart wallet device 10 is provided with a biometric reading interface 103 which is connected to the biometric circuit inside the smart wallet device 10. This example takes a fingerprint scanner as an example, but in fact it can be replaced by other biometric technologies. Its purpose is to obtain the user’s biometric characteristics, such as fingerprints, as authentication information when performing cryptocurrency transactions through the smart wallet device 10. Let the smart wallet device 10 perform the purpose of buying and selling encrypted currency.

For example, taking fingerprint recognition as an example, when the user touches the biometric reading interface 103 with a finger, the relevant indicator will light up. A successful reading can be indicated by a light, such as a green light; if the reading fails, It can be indicated by another light, such as a red light.

The smart wallet device 10 integrates multiple communication circuits and protocols, and can use integrated circuits (ICs) made with high-end process technology, such as integrated micro-control units (MCU) and communication circuits (such as Bluetooth™, Bluetooth Low Energy (BLE)) ) Micro-control unit and communication module 105, and a communication and security authentication module 106 that integrates a specific communication circuit (such as a near field communication circuit (NFC)) and a security chip.

To cite another example, if the Bluetooth communication module is activated as an example, the relevant indicator lights will be on at this time, which can flash to indicate that the connection packet is being sent, and it is waiting for pairing with another device. When pairing is achieved with a specific device , Another light can indicate that the pairing connection has been completed, such as steady and steady on.

The smart wallet device 10 is designed as a portable device. In addition to obtaining power from an external host through a bus module 108 implemented by a universal serial bus (USB), or through an adapter device to connect to an external host (the device surface can be set There are several electrical contacts). Since the smart wallet device 10 also supports wireless communication to perform authentication technology, it is provided with an independent power source, such as a battery module 107. The power management circuit (not shown in this figure) can supply power to the smart wallet device 10 through the battery module 107 If required, external power supply can also be received through the bus module 108 and the data interface 109. It is mentioned here that under the design of the miniaturized smart wallet device 10, the data interface 109 can be designed as a retractable structure, or several contacts can be designed to electrically connect to another docking device (docking). Terminal to connect the host. Wherein, the bus module in the smart wallet device is activated when the smart wallet device is connected to the host through the data interface, and can enter a charging mode or a data transmission mode.

To cite an example, when the smart wallet device 10 is in the charging mode (for example, when connected to an external power source through the data interface 109), it can be indicated by a light signal, such as a flashing light signal. If the charging is completed, the power management module indicates that the light signal can be turned off or The specific lighting mode indicates; in addition, when the smart wallet device 10 is in a low voltage state and the battery is about to run out, a specific light signal can be used to warn.

In particular, the smart wallet device 10 is provided with an image processing module 110, and has a display, such as the display unit 111 shown in the figure, which can display information in decentralized applications, such as wallet information of each encrypted currency in the smart wallet device 10. , Decentralized ledger records, etc., and the wallet address can be expressed in the form of a two-dimensional barcode (QR code) for receiving encrypted currency sent by others. The image processing module 110 is connected to the micro control unit in the device and the communication module 105, and can receive encrypted currency data processed by the micro control unit. The display unit 111 implements a display screen, such as an LED or LCD screen, electronic paper (E-Link), or may be a bi-stable screen (Bistable Liquid Crystal Cell) that can maintain display content when power is not supplied.

The smart wallet device 10 supports one or more communication technologies to connect to a computer device, such as a personal computer, a notebook computer, a smart phone, a tablet computer, etc. The connection method of the two includes the smart wallet device using a physical Universal serial bus (USB) connects to a computer device, or connects to a computer device with a specific wireless communication technology (such as Bluetooth wireless communication).

It is mentioned here that before starting to use the smart wallet device, the smart wallet device should be initialized, for example, insert the smart wallet device into the USB slot of the computer device, and register the user authentication data in the smart wallet device, especially It is a biometric feature (such as a fingerprint), and the smart wallet device is registered in the computer system with the corresponding software program, so that it can replace the original computer system identity authentication method; the other way is to use the firmware in the smart wallet device The body function registers the biometric features by itself.

In particular, the smart wallet device proposed in the disclosure book supports multiple wallets. According to the needs, one or more wallets can actually be set up, which means that multiple wallet addresses (strings) can be set, and each wallet It also supports one or more encrypted currencies, so it also includes multiple keys corresponding to each encrypted currency. If implemented as a key, it includes a pair of public and private keys.

Figure 2 then shows an embodiment of the circuit block of the smart wallet device. This schematic diagram depicts the main circuit modules in the smart wallet device 20. Different modules are distinguished according to their functions. In actual implementation, some of the modules can be integrated into one circuit. In the system, it may be realized by software and hardware.

In one embodiment, the smart wallet device 20 can be an electronic device in the form of a card that can operate independently, with a built-in battery module 206, and the power management module 205 supplies power for the smart wallet device 20 to operate. The smart wallet device 20 processes the power from the battery module 206 or receives external supply (such as wireless charging, wired charging) through the power management module 205, and is equipped with a power source that allows the user to touch the device to turn on or turn off the device or its functions. Switch interface 207. Among them, in order to distinguish various strategies for starting or shutting down a specific communication module, the smart wallet device 20 can be shut down by pressing and holding the power switch interface 207.

The smart wallet device 20 shown includes a micro-control unit 201, which is used to control the operation of multiple circuit modules in the smart wallet device 20, such as processing data encryption and decryption of various decentralized applications, and especially including encryption in the running device Currency encryption and decryption, authentication and wallet data synchronization functions. The smart wallet device 20 is provided with a security authentication module 202. The security authentication module 202 is a secure element (SE), which can be implemented by a hardware authentication chip, and can integrate a specific communication circuit in the embodiment.

The smart wallet device 20 includes a biometric identification module 209, which is electrically connected to the micro-control unit 201. The biometric feature is read through the biometric reading interface 210 on the smart wallet device 20. Various biometric technologies can be used to form authentication data. . The security authentication module 202 is electrically connected to the micro-control unit 201 to obtain the biometric features generated by the biometric module 209 through the micro-control unit 201. According to an embodiment, the biometric features can be used to verify and authorize a smart wallet device 20 Perform one of the purposes of decentralized applications.

According to another embodiment, the security authentication module 202 includes a security chip, the security chip has a processor that can quickly verify the biometric code, and when the smart wallet device 20 is activated to perform authentication, it passes the biometric module 209 Obtaining the biometric feature, and comparing the biometric feature related value in the memory, can be used as a basis for preliminary identity authentication using the smart wallet device 20.

The smart wallet device 20 may include a plurality of communication modules, and each communication module is also electrically connected to the micro-control unit 201 and integrated into the communication and authentication functions of the smart wallet device 20. The communication module, such as a bus module 203, such as a universal serial bus (USB), is provided with a data interface 204 (such as a USB interface), so that the smart wallet device 20 can be plugged into a host through the data interface 204, or through a The adapter device is connected to the host.

The communication module of the smart wallet device 20 also includes a wireless communication module. In this example, the first wireless communication module 208 and the second wireless communication module 211 are represented. According to the embodiment, the first wireless communication module 208 is a Bluetooth communication module (Bluetooth™), and the second wireless communication module 211 may be a near field communication module (NFC). The Bluetooth communication module can be a dual mode (dual mode) communication chip, which can run a Bluetooth communication protocol or a Bluetooth Low Energy (BLE) protocol.

The biometric identification module 209 may be a fingerprint identification module in one embodiment, which is used in conjunction with the biometric reading interface 210 provided on the surface of the smart wallet device 20 to read fingerprint images. This fingerprint image will be captured by the fingerprint identification module After taking out the biometric features, the security authentication module 202 will generate a security code based on this, as described in the example above, as an authentication basis for authorizing the computer device to use the smart wallet device.

The smart wallet device 20 is provided with an image processing module 212, and a wire is connected to the micro-control unit 201 for controlling the display screen realized by the display unit 213 to display information of decentralized applications, such as wallet information and wallet address, the power management The module 205 provides the operation of the image processing module 212, and can be used to display the operation status of the smart wallet device 20, for example, the operation of the smart wallet device 20 to perform cryptocurrency transactions.

Fig. 3 shows a smart wallet device 30 designed as a card, and the actual use is not limited to the card form. The figure shows the appearance of the smart wallet device 30, and the positions of the front components and interfaces are not shown in the figure. The schematic diagram is for limitation, and some components can also be located on the back of the device.

The smart wallet device 30 has a display screen 301 on the device surface to display the operating status of the device (such as battery status, connection, standby, or in operation), information needed for transactions, or wallet information such as the type of cryptocurrency, Currency etc. The smart wallet device 30 is equipped with a fingerprint scanning interface 303. The actual biometric technology used is not limited to fingerprint recognition. The fingerprint scanning interface 303 provides an interface for scanning fingerprint images, allowing users to run their fingers on this area until completion Scan so far.

The smart wallet device 30 is provided with a power switch 305, or includes an operating light signal. The power switch 305 can be a switch interface of various forms to activate the smart wallet device 30. In another embodiment, the smart wallet device 30 may be provided with an additional power switch, and a composite circuit may be integrated into another interface, such as the fingerprint scanning interface 303, allowing the user to directly activate the device after touching it with a finger.

In addition, the surface of the smart wallet device 30 can be provided with several electrical contacts (not shown in this figure, but can be set on the back), which can be used to connect the adapter device (not shown in this figure) electrically. The corresponding electrical contacts on the adapter device can be connected to another computer device through a bus interface such as USB.

Figure 4 shows a schematic diagram of a scenario where the smart wallet device 30 is used. This example shows that the smart wallet device 30 is connected to the computer device 40 in a wired manner. It can be a general desktop computer or a notebook computer, or a tablet computer with a specific connection interface is not excluded In addition to allowing the smart wallet device 30 to be plugged into the computer device 40 through a data interface (such as a USB interface), this example shows that the smart wallet device 30 is connected to the computer device 40 through a docking device 42 (docking). Several electrical contacts can be electrically connected to each other to transmit data or supply power.

For example, a decentralized application takes a cryptocurrency wallet as an example. When the smart wallet device 30 is connected to the computer device 40 through the adapter device 42, the computer device 40 can activate a specific wallet program, such as a dedicated software or a web page, At the same time, the user interface is prompted to authenticate the user first, that is, the biometric technology on the smart wallet device 30 is used for identity authentication. After the authentication is completed, the smart wallet device 30 transmits wallet-related information through the connection with the computer device 40. For example, a wallet address and a key, after the software program running on the computer device 40 obtains the wallet address and the key, the key can be used to obtain transaction data or other data belonging to the public key from the blockchain. Such as wallet information.

Next, as shown in FIG. 5, a schematic diagram of the scenario of using the smart wallet device is shown. This example shows that the smart wallet device 30 is connected to a computer device by wireless communication, and this example is shown as a mobile device 50. The wireless communication technology used for the connection between the two Such as Bluetooth communication protocol, or Bluetooth Low Energy (BLE) communication protocol.

After the smart wallet device 30 is activated, the wireless communication circuit therein is also activated, allowing the wireless communication circuit in the mobile device 50 to scan for connectable devices and perform pairing and connection. In one embodiment, when pairing is performed, the mobile The device 50 may execute a decentralized application, such as a wallet program, in which the user may be required to use fingerprint authentication on the smart wallet device 30 to authorize connection.

Since the smart wallet device 30 is a personalized wallet application in one of the decentralized applications, performing biometric authentication to authorize the smart wallet device 30 to run the smart wallet can provide higher security. In the mobile device 50, by running the wallet program, the smart wallet device 30 can obtain the wallet address and the verification data formed by the key encryption calculation to obtain the wallet data synchronously after verification by the blockchain.

It is mentioned here that when the user operates the mobile device 50 to download the wallet program, he needs to pass identity authentication to connect to the smart wallet device 30. After security authentication, the smart wallet device 30 obtains the information of each encrypted currency, including the need The participating nodes on the blockchain synchronize the wallet data through consensus calculations, and then the wallet program can be used to trade encrypted currencies.

When the mobile device 50 executes the wallet program, in addition to instructing the user to operate the smart wallet device 30 to perform transactions and obtain wallet data, it is also used to display the comprehensive wallet information and transaction list of one or more cryptocurrencies in the smart wallet device 30. Further, when a transaction or data needs to be published on the blockchain, the wallet program on the mobile device 50 needs to generate data in a standardized manner according to one of the decentralized applications (such as cryptocurrency or other applications), and then hash the data The smart wallet device 30 is signed, and the wallet program publishes the data and the signature to multiple nodes on the blockchain. The node will verify whether the data is legal and synchronize the data to the district through a common knowledge calculation. Block chain.

According to the embodiment, the smart wallet device 30 can support multiple wallets, one is the primary wallet, and the rest are secondary wallets. Each wallet can manage one or more cryptocurrencies, so that the user can choose to use one of them, and the user can Different wallets register different biometric features.

Figure 6 shows a schematic diagram of the scenario of using the smart wallet device.

The smart wallet device 30 has a power switch 305, which allows the user to activate the smart wallet device 30 through the power switch 305. After activation, the wireless communication circuit is activated at the same time, so that the user can operate the computer device (in this example, a mobile device) for corresponding communication Protocol scanning, pairing connection.

As shown in the figure, the user can use biometric technology (such as swiping fingerprints) to activate a function in a decentralized application of the smart wallet device 30. For example, when connecting with the external computer device 60, the user may be required to swipe his fingerprint to authorize the connection. One of the applications is that when the computer device 60 (shown as a mobile device in this example) is connected to the smart wallet device 30, after the user’s identity needs to be authenticated by fingerprints, the security authentication module in the smart wallet device 30 uses the password of a specific cryptocurrency. The key encryption algorithm calculates a verification data. In this example, the display is converted into a pattern displayed on the screen 301 of the smart wallet device 30, such as a QR code. The computer device 60 is provided with an image scanning tool to scan to obtain the wallet location recorded in the QR code. The address and key enable the computer device 60 to obtain wallet information, such as the balance of a specific cryptocurrency, transaction records, etc., through blockchain verification.

In an application, when the smart wallet device 30 is to be used to execute transactions, it must first be connected to the computer device 60 that executes the corresponding wallet program. The user fills in the transaction data through the user interface of the wallet program, including the recipient's wallet address The amount with a certain cryptocurrency, after the transaction is confirmed, is packaged in software, and then sent to the smart wallet device 30 to display the transaction information on the display screen for the user to check. After verification, the fingerprint image can be obtained through the fingerprint scanning interface 303 through the smart wallet device 30 to authenticate the user's identity, and then through the wallet program in the computer device 60, after being signed and broadcasted to the blockchain, through the nodes on the blockchain Complete the transaction after verification.

According to the embodiment, as described above, the smart wallet device 30 can support multiple wallets, respectively manage one or more cryptocurrencies, so that users can use them flexibly, or can hide one of the wallets for other purposes. In particular, each wallet corresponds to a biometric feature, and different wallets can correspond to different biometric features. For example, the primary wallet corresponds to the fingerprint of the user’s right index finger, and the secondary wallet corresponds to the left thumb, so that the user can use the registered The fingerprint selection starts using one of the wallets.

Before using the encrypted currency wallet application in the smart wallet device, a wallet needs to be established on a computer device. The flow of the embodiment is shown in FIG. 7 for the method flow of the smart wallet device.

In this process, at the beginning, in step S701, the user can turn on the smart wallet device through the switch interface and also activate the wireless communication circuit therein. Then, in step S703, the computer device can be turned on, including executing a wallet program, and Activate a wireless communication protocol, such as Bluetooth communication, to scan for nearby wallet devices. After the smart wallet device is scanned, pairing can be performed.

At this time, in step S705, the wallet program is used to remind the user to perform identity authentication, that is, the biometric identification technology on the smart wallet device is used for authentication, such as reading a fingerprint image, and the connection is completed after the authentication is completed. In step S707, the wallet program executed by the computer device obtains the wallet data in the smart wallet device, and can create a wallet file and identity authentication data (such as fingerprint identification data) in the smart wallet device. In step S709, the wallet file is created.

After that, every time the computer device is used to obtain the wallet information corresponding to the wallet address through the blockchain, or to conduct a transaction, it is necessary to complete the authentication and authorization according to the identity authentication data in the wallet file.

Figure 8 shows an embodiment of the process of synchronizing wallet data with a smart wallet device.

Initially, in step S801, the smart wallet device is activated, and then in step S803, as described in the above embodiment, the computer device prompts the smart wallet device to perform identity authentication through a user interface. After the identity authentication, a wireless communication protocol can be connected Computer device, at this time, the wallet program in the computer device can be executed synchronously. In step S805, the firmware program in the smart wallet device is decoded to obtain the data in the wallet device, and it is judged whether there is valid wallet data in the memory. If there is (yes), step S811 is executed to directly display the wallet on the display screen. News.

Otherwise (No), you should reconnect with the computer device, authorize and obtain the latest wallet information, such as step S807, use the biometric identification technology on the smart wallet device to perform identity authentication, such as step S809, after passing the identity authentication, The computer device receives the data of the decentralized application. In this example, the wallet address and the key are used to authorize the wallet program of the computer device to obtain the wallet data through a blockchain according to the wallet address to update the wallet program and the smart wallet device The internal data, in step S811, displays the updated decentralized application information, such as the wallet information in this example.

The smart wallet device is used to perform functions such as a cold wallet, the device is used to record the wallet address and key of the encrypted currency, and transactions can be performed. FIG. 9 shows an embodiment of the operation method of using the smart wallet device to perform transactions.

In the process of this embodiment, in step S901, the user can use a browser to open a web page for trading a specific encrypted currency, for example, a web browser on a computer device, a mobile device APP, etc., in step S903, the user can browse The device executes the transaction encryption currency, sets the currency, the transaction amount, and needs to fill in the wallet address. After that, in step S905, the transaction code generated by the transaction website for the transaction, such as a QR code, is displayed on the web page.

After that, in step S907, the user can use the tool program for scanning the QR code on the mobile device to read the transaction code. In step S909, the mobile device connects to the smart wallet device, and in step S911, identity authentication is required, and the user performs identity authentication If the fingerprint is required to be scanned, the mobile device will broadcast the transaction data (signed and sealed) to the blockchain when the authentication is completed, and the transaction will be completed after verification by the node on the blockchain. At this time, in step S913, the computer device can synchronize the wallet data after authorization, and in step S915, the wallet information is displayed through the smart wallet device for the user to view the content.

FIG. 10 then shows another embodiment of the flow of the operation method of using the smart wallet device to conduct a transaction. This flow describes the flow of receiving encrypted currency.

In this process, in step S101, the smart wallet device is activated, and in step S103, the wallet address is displayed on the display screen, or the cryptocurrency currency, amount, etc. are included according to the application. The preferred method is to encode into a QR code After that, as in step S105, similarly, the computer device and the smart wallet device are connected, and the wallet program is executed on the computer device. The user can operate the wallet program, as in step S107, use the scanning tool program to scan the display in the smart wallet The QR code on the wallet device can automatically fill in the wallet address on the scanned device. When obtaining the wallet address, the user can be required to use the smart wallet device to perform identity authentication. For example, in step S109, scan the fingerprint again, then the wallet program can get the pass The key of a specific cryptocurrency is to authorize the wallet program to obtain transaction records on the blockchain.

Then, in step S111, the wallet program in the computer device is authorized to obtain the latest wallet data to complete the transaction of receiving currency, in step S113, connect to the smart wallet device via wireless communication means, send the transaction result, and display the transaction result On the display screen.

According to the above embodiment of executing transactions through the smart wallet device, it can be seen that users can execute currency transactions through a specific cryptocurrency website, such as transferring to others, fill in the transaction amount through a web page or a specific APP, and then connect to the smart wallet After the device is authenticated and authorized, it can transfer the amount of a certain currency to others. This message will be recorded on each node on the blockchain. Conversely, if you receive someone else into your account, the other person will also transfer a specific currency amount through a wallet program, which is recorded by the node on the blockchain, so that the recipient can query the wallet address under a certain wallet address after verification Balance, the balance is derived from past transaction records after verification by nodes on the blockchain.

11A to 11D show the scenario of using a smart wallet device to execute a transaction through a schematic diagram of a graphical user interface displayed on a computer device (such as a mobile device).

Figure 11A shows a user interface of a computer device 12, which displays the wallet address 121 in the form of a QR code obtained by scanning the smart wallet device, or inserts other information such as currency and type according to the application (such as transfer) The wallet address 121 can then be shared with others using the share button 122, and can be sent out by various means of sending messages, such as providing it to others who want to transfer encrypted currency to the user, so that others can scan it with the wallet program. Determine a transfer amount, and form a transaction record recorded on the blockchain according to the wallet address recorded therein.

FIG. 11B shows a card pattern displayed on the screen of the computer device 12, representing the smart wallet device graphic 123, indicating that the user performs fingerprint authentication, and there is a button 124 below which provides the user with a confirmation message after completing the identity authentication.

Next, as shown in FIG. 11C, the computer device 12 displays the transaction details 125 on the screen. The transaction details 125 list the details of the transaction encryption currency, or include the equivalent legal currency, and provide two buttons: send button 126 and receive button 127, The send button 126 allows the user to decide to send money out; the receive button 127 indicates to confirm the receipt of money, which is used to receive a transaction amount set by others. After connecting to the smart wallet device and performing identity authentication, the transaction is completed after confirmation, and then authorization The computer device 12 obtains the transaction record of the wallet address from the blockchain, and can update the wallet information.

In FIG. 11D, the last wallet information is displayed on the screen of the computer device 12, which may include the wallet information of multiple encrypted currencies in the smart wallet device.

In summary, according to the smart wallet device described in the above embodiments and the operation method therein, the smart wallet device can be used to manage various resources that apply blockchain technology, including cryptocurrency wallets, to manage cryptocurrencies, store keys, Implement decentralized applications such as distributed ledger functions. If you take a cryptocurrency wallet as an example, one or more wallets can be set up. Each wallet supports one or more cryptocurrencies. The smart wallet device stores the key corresponding to each cryptocurrency. The smart wallet device includes a display screen that can be used to display each Decentralized application resource information, such as wallet address, can be scanned by others to obtain the wallet address, or the key can be obtained at the same time, and the computer device that provides the docking can obtain the wallet information corresponding to the wallet address from the blockchain. The wallet information can be sent to the smart wallet device, and the wallet information will be displayed to the user for confirmation.

The content disclosed above is only a preferred and feasible embodiment of the present invention, and does not limit the scope of the patent application of the present invention. Therefore, all equivalent technical changes made using the description and schematic content of the present invention are included in the application of the present invention. Within the scope of the patent.

10: Smart wallet device 101: Power switch 102: Power indicator 103: Biometric reading interface 104: Device operation indicator 105: Micro control unit and communication module 106: Communication and safety certification module 107: Battery Module 108: bus module 109: Data Interface 110: Image processing module 111: display unit 20: Smart wallet device 201: Micro Control Unit 202: Security Authentication Module 203: bus module 204: Data Interface 205: Power Management Module 206: Battery Module 207: Power switch interface 208: The first wireless communication module 209: Biometric Module 210: Biometric reading interface 211: The second wireless communication module 212: Image Processing Module 213: display unit 30: Smart wallet device 301: display screen 303: Fingerprint Scan Interface 305: Power switch 40: computer device 42: Adapter 50: mobile device 60: computer device 12: Computer device 121: Wallet address 122: Share button 123: Smart wallet device graphics 124: Send button 125: Transaction Details 126: Send button 127: Receive button Steps S701～S709: the process of establishing a wallet Steps S801～S811: the process of synchronizing wallet data Steps S901～S915: The operation method flow of the smart wallet device for transactions Steps S101～S113: The operation method flow of the smart wallet device for transactions

Figure 1 shows a schematic diagram of an embodiment of the basic architecture of a smart wallet device;

Figure 2 shows a schematic diagram of an embodiment of the circuit block of the smart wallet device;

Figure 3 shows a schematic diagram of an embodiment of a smart wallet device;

Figure 4 shows one of the schematic diagrams of using the smart wallet device;

Figure 5 shows the second schematic diagram of the scenario of using the smart wallet device;

Figure 6 shows the third schematic diagram of the scenario of using the smart wallet device;

Figure 7 shows an embodiment of the process of establishing a wallet by the smart wallet device;

Figure 8 shows an embodiment of the process of synchronizing wallet data with a smart wallet device;

FIG. 9 shows an embodiment of the flow of an operation method of using a smart wallet device for transactions;

FIG. 10 shows another embodiment of the flow of the operation method of using the smart wallet device for transactions;

Figures 11A to 11D show schematic diagrams of scenarios where a smart wallet device is used to execute transactions.

30: Smart wallet device

301: display screen

303: Fingerprint Scan Interface

305: Power switch

Claims (10)

An operating method of a smart wallet device, applied to a smart wallet device, includes: the smart wallet device is connected to a computer device with a wireless communication technology; the computer device prompts the smart wallet device to execute an identity through a user interface Authentication; the identity authentication is performed through a biometric identification technology of the smart wallet device; after passing the identity authentication, the computer device receives data from a decentralized application; in the smart wallet device, the destination is displayed on a display screen Information about centralized applications. The operation method of the smart wallet device according to claim 1, wherein the decentralized application is a smart wallet, and the information of the decentralized application received by the computer device is a wallet address, so that the smart wallet device is based on the The wallet address obtains the wallet information through a blockchain, and then displays a wallet information on the display screen. The operation method of the smart wallet device according to claim 2, wherein after the smart wallet device is connected with the computer device by the wireless communication technology, a wallet program in the computer device is activated to obtain wallet data. The operation method of the smart wallet device according to claim 3, wherein one of the one or more cryptocurrencies is traded by the wallet program running in the computer device, and a transaction amount is set by the wallet program, and then After the smart wallet device is connected and the identity authentication is performed, the transaction is completed. The operation method of a smart wallet device according to claim 3, wherein the wallet address is displayed on the display screen of the smart wallet device, and the wallet address is read by the wallet program in the computer device for receiving A transaction amount set by others is completed after connecting to the smart wallet device and performing the identity authentication. The operation method of the smart wallet device according to any one of claim 1 to 5, wherein the biometric identification technology is to perform the identity authentication after reading a fingerprint image; the wireless communication technology is a Bluetooth communication technology; and, The wallet address displayed on the display screen is represented by a QR code. A smart wallet device includes: a micro-control unit for controlling the operation of multiple circuit modules in the smart wallet device; a communication module electrically connected to the micro-control unit for connecting to a computer device; The identification module is electrically connected to the micro-control unit, and a biometric identification feature is read through a biometric reading interface; a security authentication module is electrically connected to the micro-control unit, and the biometric identification module is obtained through the micro-control unit The biometric features generated by the group are used to verify and authorize the smart wallet device to run a decentralized application; an image processing module, connected to the micro-control unit with a wire, is used to control a display screen to display the information of the decentralized application; And a power management module electrically connected to the micro-control unit for controlling the power supply of the smart wallet device; wherein the smart wallet device is used to manage one or more decentralized applications, and the operation method includes: the smart wallet The device uses the communication module to execute a wireless communication technology to connect to the computer device; the computer device prompts the smart wallet device to perform an identity authentication through a user interface; the smart wallet device uses a biometric identification technology to perform the Identity verification; After passing the identity verification, the computer device receives the data of the decentralized application obtained through a blockchain based on the wallet address; In the smart wallet device, the display screen displays the information of the decentralized application News. The smart wallet device according to claim 7, wherein the decentralized application is a smart wallet, the smart wallet device uses a Bluetooth communication technology to pair with the computer device and complete the connection, and activate a wallet program in the computer device, Used to obtain wallet data, and then display the wallet address on the display screen of the smart wallet device. The wallet address is read by the wallet program in the computer device to receive a transaction amount set by others. After the smart wallet device is connected and the identity authentication is performed, the transaction is completed. The smart wallet device according to claim 8, wherein the smart wallet device is provided with one or more wallets, each wallet supports one or more cryptocurrencies, and the smart wallet device stores a key corresponding to each cryptocurrency, and the smart wallet device The display screen of the wallet device displays one of the wallet addresses. The smart wallet device according to any one of claims 7 to 9, wherein the biometric module is a fingerprint recognition module, and a biometric reading interface provided on the surface of the smart wallet device is used for reading A fingerprint image; the smart wallet device is a device in the form of a card or a USB adapter, with a built-in battery module, through the power management module to supply power for the smart wallet device to operate.

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