JP2020177327A - Method for multiple confirmation of digital asset trading - Google Patents

Abstract

To provide a method for multiple confirmation of digital asset trading.SOLUTION: The method for multiple confirmation of this invention includes following steps. An authentication server authenticates a digital currency account and acquires an authentication address, an electronic apparatus generates a trading item, a trading server matches the trading item against a plurality of trading items to generate matching information and transmits the matching information to the electronic apparatus, it is confirmed that a set amount of the trading item matches a set amount of the matching information, to transmit an electronic signature corresponding to secret key information to the electronic apparatus, the authentication server confirms that a trading address of the matching information matches the authentication address, to transmit a permission signature to the electronic apparatus, and the electronic apparatus acquires the matching information, the electronic signature, and the permission signature and then instructs the trading server to execute digital currency trading, thereby effectively helping a user identify an identity of a trading object to avoid digital asset trading with an unidentifiable object.SELECTED DRAWING: Figure 1

Description

The present invention relates to a digital asset transaction method capable of reducing the theft of digital assets, and more particularly to a multiple confirmation method of digital asset transactions capable of confirming transaction details and transaction addresses.

Trading with digital assets has gradually become a trend in today's society to allow consumers to use public transport and shop at various stores without having to carry cash. Electronic trading devices that use digital assets (eg, electronic money) in the current market include, for example, electronic wallets, credit cards, prepaid cards, and leisure cards.

When a consumer purchases and stores a digital asset, the digital asset purchased by the consumer is stored in a trading server connected to the network, and an electronic trading device stores information about the amount of the digital asset, and the consumer When an attempt is made to execute a consumer transaction through an e-commerce device, the e-commerce device connects to the trading server via a card reader, transfers digital assets to the trading server, and at the same time updates the amount information and the rest. Display the amount of digital assets.

However, at present, all digital assets are traded on trading servers, and if the trading server is continuously connected to the Internet and the digital asset security protection device (for example, firewall) is defective, it is malicious. Some (eg, hackers) can implant programs to steal directly over the Internet, or flaws in protective devices can steal digital assets, resulting in financial loss for consumers.

Japanese Unexamined Patent Publication No. 2001-331654 Japanese Unexamined Patent Publication No. 2003-85358

A main object of the present invention is that the user himself confirms whether the transaction amount and the transaction address are correct by the electronic device, and the authentication server confirms whether the user's transaction address has been authenticated. In addition, it is determined whether the transaction address is a problem-free digital currency account, and when the digital currency makes a transaction, the information contents of both the transaction amount and the transaction address are tampered with maliciously. To be able to significantly reduce the chances of digital currency accounts and avoid conducting digital asset transactions with unidentified subjects without the digital currency of the digital currency account being transferred to an unauthenticated digital currency account. It is to be.

In order to achieve the above object, the method of multiple confirmation of digital asset transactions of the present invention includes a creation step, an account authentication step, a transaction matching step, a transaction confirmation step, an account confirmation step, and a transaction step.

In this embodiment, the creation step creates a digital currency account having public key information and private key information capable of storing the digital currency, stores the private key information in a storage carrier, and the account authentication step is a permission signature. The authentication server having the above receives the public key information, authenticates the public key information, acquires an authentication address, and checks whether or not the public key information and the authentication address match.
In this embodiment, the authentication server is connected to a plurality of different trading mechanisms, the trading mechanism can create the digital currency account, and further, the public key information and the private key information can be created. .. When the trading mechanism generates the public key information, the trading mechanism transmits the public key information to the authentication server, and causes the authentication server to authenticate the public key information.

In the transaction matching step, the public key information is acquired by an electronic device, a transaction item including a public key address and a set amount is created based on the public key information, and the electronic device transmits the transaction item to a transaction server. Then, the transaction server matches the transaction items of a plurality of different users, generates matching information including the transaction address and the transaction amount, transmits the matching information to the electronic device, and the transaction confirmation step is the transaction. When the set amount of the item and the transaction amount of the matching information match, the storage carrier generates an electronic signature corresponding to the private key information and transmits the electronic signature to the electronic device.

In the present embodiment, in the transaction confirmation step, one of the electronic device and the storage carrier acquires the set amount of the transaction item and the transaction amount of the matching information, and sets the set amount of the transaction item and the matching. Check the transaction amount of information.

Further, in the transaction confirmation step, before the electronic signature is transmitted to the electronic device, the other of the electronic device and the storage carrier determines whether the set amount matches the transaction amount of the matching information. The electronic device and the storage carrier are checked again, and one of the electronic device and the storage carrier receives the confirmation instruction input by the user, and the other of the electronic device and the storage carrier receives the confirmation instruction input by the user. Upon receiving the data, the electronic device and the storage carrier sequentially check whether the set amount of money matches the transaction amount of the matching information.

Further, in the account confirmation step, the electronic device transmits the transaction address of the matching information to the authentication server, the authentication server checks the transaction address and the authentication address, and the transaction address matches the authentication address. At that time, the permission signature is transmitted to the electronic device, and in the transaction step, after the electronic device acquires the matching information, the electronic signature, and the permission signature, a transaction order is generated and the transaction is performed. The command is transmitted to the transaction server to transfer the digital currency of the public key information.

In another preferred embodiment, the multiple confirmation method of the digital asset transaction further includes a transaction item check step and a transaction item recheck step, in which the electronic device performs the set amount from the transaction item. And the public key address is acquired, check information is generated when the set amount and the public key address are correct, and the transaction item is transmitted to the transaction server.

Further, in the transaction item recheck step, when the electronic device generates the check information, the electronic device transmits the transaction item to the storage carrier, and the storage carrier sends the set amount and the public key address. When there is no error in the set amount and the public key address, the electronic device generates recheck information to be transmitted to the electronic device so that the electronic device transmits the transaction item to the transaction server.

As is clear from the above description, the feature of the present invention is that it is necessary to first perform the transaction confirmation step and the account confirmation step before the transaction step, and the user himself / herself confirms that the transaction amount and the transaction address are correct. Later, the storage carrier will be able to send the electronic signature to the electronic device. In addition, the authentication server assists in sending the authorization signature to the electronic device after confirming that the user's transaction address is authenticated, and if the electronic device does not obtain the electronic signature and the authorization signature, It is not possible to instruct the trading server to transfer the digital currency of any of the public key information to the other public key information.
As a result, the user can confirm the transaction conditions for the first time, and then the authentication server can confirm the address for the transaction for the second time, which effectively assists the user in identifying the identity of the transaction target. It is possible to avoid conducting digital asset transactions with unidentified targets and significantly reduce the chances that the information content of both the transaction amount and transaction address will be tampered with maliciously when conducting digital currency transactions. it can. Moreover, the digital currency of the digital currency account is not transferred to the unauthenticated digital currency account, and it is possible to avoid conducting digital asset transactions with an unidentified target.

It is a flowchart of the multiple confirmation method of a digital asset transaction. It is explanatory drawing of the module of the digital asset multiple confirmation transaction system. It is explanatory drawing of the creation step of FIG. It is explanatory drawing of the account authentication step of FIG. It is explanatory drawing of the transaction item check step of FIG. It is explanatory drawing of the transaction item recheck step of FIG. It is explanatory drawing of the transaction matching step of FIG. It is a schematic diagram which shows the transaction confirmation step of FIG. It is a schematic diagram which shows the transaction confirmation step of FIG. It is explanatory drawing of the account confirmation step of FIG. It is explanatory drawing of the transaction step of FIG.

In order to give a clearer understanding of the structure, use and features of the present invention, suitable examples will be given, and the details will be described below together with the drawings.

The multiple confirmation method 1 of the digital asset transaction of the present invention with reference to FIGS. 1 and 2 also uses each digital asset multiple confirmation transaction system 2 together, and as shown in FIG. 2, the digital asset multiple confirmation transaction system. 2 has a plurality of electronic devices 20, a plurality of storage carriers 21, an authentication server 22, and a transaction server 23. Application software 201 is installed in each of the electronic devices 20, and the electronic devices 20 are connected to the Internet. The Internet 24 can be actively connected to the 24, and the Internet 24 is simultaneously connected to the authentication server 22 and the transaction server 23, and all the electronic devices 20 are connected to the authentication server 22 and the transaction server 23 via the Internet 24. In this embodiment, the electronic device 20 can be provided as a mobile phone, a personal computer, or a tablet.

Although each storage carrier 21 cannot be directly connected to the Internet 24, each storage carrier 21 can selectively connect or disconnect from one of a plurality of application software 201, and the storage carrier 21 can selectively connect or disconnect the application software. When connected to 201, the storage carrier 21 can connect to the Internet 24 via the electronic device 20, and each storage carrier 21 can store information, a microprocessor 211 capable of processing information. A memory 212, a security chip 213 that can store important information, a display 214 that can display the information content, and a confirmation button 215 that can confirm whether the information content is correct are provided, and the memory 212 and the security chip are provided. 213, the display 214, and the confirmation button 215 are all electrically connected to the microprocessor 211, and the security chip 213 has a processing unit 213a capable of processing information, and this embodiment. The storage carrier 21 is provided as an integrated circuit (IC) card.

As shown in the figure, the authentication server 22 has a database 221 for storing information, the transaction server 23 is connected to the real currency transfer platform 25, and the transaction server 23 stores a plurality of transaction items of different users. However, a set amount and a public key address are set for each transaction item, the transaction server 23 is connected to the digital currency transfer platform 26, and the digital currency transfer platform 26 is provided as a blockchain.

Explaining with reference to FIGS. 1 and 3, when a plurality of trading mechanisms 27 having different systems are connected to the authentication server 22, and a plurality of users apply for a storage carrier 21 and attempt to perform digital asset transactions. When each user provides user information indicating the user's personal data to one of the transaction mechanisms 27 and the transaction mechanism 27 receives the user information, the transaction mechanism 27 uses the real currency based on the user information. A real currency account 251 created on the transfer platform 25 and a digital currency account 261 having the private key information and the public key information created on the digital currency transfer platform 26 are generated, and the private key information and the public key information are one of them. It is transmitted to the storage carrier 21. The private key information is stored in the security chip 213 of the storage carrier 21, and the public key information is stored in the memory 212 of the storage carrier 21. As a result, the creation step S1 is completed. After that, the storage carrier 21 storing the private key information is transmitted to the user.
In this embodiment, the private key information is used to approve the transfer of digital currency, and the public key information indicates the total amount of digital currency and the public key address of the digital currency account 261, and is a real currency account. 251 corresponds to the digital currency account 261 on a one-to-one basis and is used to store the real currency (for example, national currency such as NTD and US dollar), and the digital currency account 261 corresponds to the digital currency (for example, bit coin etc.). Used to store cryptocurrencies) or electronic goods of value.

Explaining with reference to FIGS. 1 and 4, subsequently, when the account authentication step S2 is executed and the account authentication step S2 is executed, the public key information of the digital currency account 261 is transmitted to the authentication server 22. The authentication server 22 is made to authenticate the public key information of the digital currency account 261, and the authentication server 22 stores the public key address of the public key information in the digital currency account 261 in the database 221 to generate an authentication address. The authentication server 22 has a permission signature that can indicate that the public key information of the digital currency account 261 has been authenticated.
In this embodiment, after the transaction mechanism 27 creates the digital currency account 261, the transaction mechanism 27 transmits the public key information of the digital currency account 261 to the authentication server 22 for authentication, or the digital currency account. After creating 261, the user himself provides the public key information of the digital currency account 261 to the authentication server 22 and causes the authentication server 22 to authenticate.

Explaining with reference to FIGS. 1 and 5, after the account authentication step S2 is completed, the transaction item check step S3 is executed, and when the transaction item check step S3 is executed, the electronic device 20 held by the user is described above. The application software 201 can be connected to the storage carrier 21 by connecting to the storage carrier 21 that stores the private key information, and the electronic device 20 connects to the authentication server 22 and the transaction server 23 via the Internet 24, and the storage carrier 21 , Application software 201, authentication server 22, and transaction server 23 are made to exhibit a connection state. After that, the electronic device 20 can actively acquire the public key information of the digital currency account 261 from the storage carrier 21, and the transaction item including the public key address and the set amount based on the public key information via the application software 201. To create.
When the electronic device 20 creates the transaction item, the electronic device 20 acquires the set amount of the transaction item and the public key address of the transaction item from the transaction item, and further displays the set amount and the public key address. Then, the user sees whether or not the information contents of both the set amount and the public key address are incorrect via the electronic device 20, and the user sees whether the information contents of both the set amount and the public key address are incorrect. When confirming that the contents are correct, the user presses the "transaction confirmation" button displayed on the electronic device 20 to complete the transaction item check step S3, whereby the electronic device 20 is set with the set amount. Create confirmation information to confirm that the public key address is correct.
On the contrary, when the user confirms that the information contents of both the set amount and the public key address are incorrect, the user presses the "transaction abandonment" button displayed on the electronic device 20, and the electronic device 20 checks the above. The information is not generated, and the transaction item check step S3 is not completed.

In this embodiment, the transaction item can indicate the information content for purchasing the digital currency or the information content for selling the digital currency, and when the transaction item indicates the information content for purchasing the digital currency, the set amount Displays the purchase price for purchasing the digital asset, the public key address indicates to which digital currency account 261 the digital asset is transferred to, and the transaction item contains information content for selling the digital currency. When indicated, the set amount indicates the selling amount for selling the digital asset, and the public key address indicates from which digital currency account 261 the digital asset is transferred.

Explaining with reference to FIGS. 1 and 6, next, when the transaction item recheck step S4 is executed and the electronic device 20 generates the check information, the electronic device 20 transfers the transaction item to the storage carrier 21. The microprocessor 211 of the storage carrier 21 acquires the set amount and the public key address, transmits the set amount and the public key address to the display 214 of the storage carrier 21, and sets the set amount on the display 214. Display the amount and the public key address.
After that, the user rechecks and confirms whether or not the information contents of both the set amount and the public key address are incorrect on the display 214, and the information contents of both the set amount and the public key address are incorrect. When it is confirmed again that there is no such information, the user presses the confirmation button 215 displayed on the storage carrier 21 to generate recheck information indicating that the set amount and the public key address are correct in the storage carrier 21. .. On the contrary, when the user confirms that the information contents of both the set amount and the public key address are incorrect, it is necessary to perform the transaction item check step S3 again.

Explaining with reference to FIGS. 1 and 7, when the transaction matching step S5 is executed after the transaction item recheck step S4 is completed and the storage carrier 21 generates the recheck information, the storage carrier 21 performs the transaction. The item and the recheck information are transmitted to the electronic device 20, and the electronic device 20 receives the recheck information and transmits the transaction item to the transaction server 23.
When the transaction server 23 receives the transaction item, the transaction item received by the transaction server 23 is matched with each of the transaction items stored in the transaction server 23, and one of the transaction items stored in the transaction server 23 receives the transaction item. When matching with the transaction item, the transaction server 23 generates matching information including the transaction address and the transaction amount, and transmits the matching information to the application software 201 of the electronic device 20.

Explaining with reference to FIGS. 1 and 8A, when the application software 201 of the electronic device 20 receives the matching information, the electronic device 20 acquires the transaction amount and the transaction address from the matching information, and further, the matching information. The transaction amount, the transaction address of the matching information, the set amount of the transaction item, and the public key address of the transaction item are displayed.
After that, the user confirms that the transaction amount of the matching information matches the set amount of the transaction item and that the information content of the public key address of the transaction item is correct, and clicks the "transaction confirmation" button of the electronic device 20. The confirmation step S6 can be completed, and when the "transaction confirmation" button is pressed, the electronic device 20 receives the confirmation instruction input by the user and generates confirmation information in the electronic device 20. , Is used to indicate that the transaction amount of the transaction item matches the transaction amount of the matching information.
As a result, the user himself / herself can confirm by the electronic device 20 that the transaction amount of the matching information matches the set amount of the transaction item and that the public key address of the transaction item is correct, and the transaction amount and the transaction address are malicious. It is possible to prevent it from being tampered with.

Explaining with reference to FIGS. 1 and 8B, when the electronic device 20 generates the confirmation information, the electronic device 20 transmits the transaction item and the matching information to the storage carrier 21, and the microprocessor 211 of the storage carrier 21 Instructs the display 214 to display the transaction amount of the matching information, the transaction address of the matching information, the set amount of the transaction item, and the public key address of the transaction item.
After that, the user confirms again through the display 214 that the transaction amount of the matching information matches the set amount of the transaction item and that the information content of the public key address of the transaction item is correct. The confirmation button 215 of the storage carrier 21 is pressed to cause the storage carrier 21 to receive the reconfirmation instruction input from the user, and the storage carrier 21 generates an electronic signature corresponding to the private key information by the reconfirmation instruction. The storage carrier 21 transmits the electronic signature and matching information to the electronic device 20.
On the contrary, when the user confirms that the transaction amount of the matching information and the set amount of the transaction item are incorrect, or confirms that the information content of the public key address is incorrect, the user confirms the transaction item check step. You can choose to redo S3, and you do not need to press the confirmation button 215.

Explaining with reference to FIGS. 1 and 9, after completing the transaction matching step S5, in addition to executing the transaction confirmation step S6, the account confirmation step S7 must be further executed, and the application of the electronic device 20 When the software 201 receives the matching information, the electronic device 20 transmits the matching information to the authentication server 22, and then the authentication server 22 checks the transaction address and the authentication address of the matching information. When the authentication server 22 matches the transaction address of the matching information with the authentication address, the authentication server 22 issues the permission signature and transmits the permission signature to the electronic device 20.
On the contrary, when the authentication server 22 confirms that there is no transaction address whose authentication address matches the transaction address of the matching information, the authentication server 22 does not transmit the permission signature to the electronic device 20, thereby. The authentication server 22 can confirm whether the transaction address of the matching information has been authenticated, and prevents the user's digital currency from being transferred to the problematic digital currency account 261.

Explaining with reference to FIGS. 1 and 10, after the electronic device 20 acquires the electronic signature and the permission signature, the transaction step S8 is started, and the electronic device 20 is based on the matching information, the electronic signature and the permission signature. A transaction order is generated, the transaction order is transmitted to the transaction server 23, and the transaction server 23 receives the electronic signature and the permission signature, and publishes one of the digital currency accounts 261 based on the information content of the matching information. The digital currency of the key information is transferred to the public key information of another digital currency account 261, whereas the real currency account 251 receives the real currency of another real currency account 251.
When the electronic device 20 has not received the permission signature, the transaction step S8 cannot be performed, and even if the transaction server 23 receives the electronic signature, the public key information of one of the digital currency accounts 261 is still digital. The currency cannot be transferred to the public key information of another digital currency account 261.

Although preferred embodiments have been disclosed in the present invention as described above, these are by no means limited to the present invention, and anyone who is familiar with the present invention has an equal range that does not deviate from the spirit and domain of the present invention. Of course, it is possible to add various variations and colors within.

1 Multiple confirmation method of digital asset transaction 2 Digital asset multiple confirmation transaction system 20 Electronic device 201 Application software 21 Storage carrier 211 Microprocessor 212 Memory 213 Security chip 213a Processing unit 214 Display 215 Confirmation button 22 Authentication server 221 Database 23 Transaction server 24 Internet 25 Real currency transfer platform 251 Real currency account 26 Digital currency transfer platform 261 Digital currency account 27 Transaction mechanism S1 Creation step S2 Account authentication step S3 Transaction item check step S4 Transaction item recheck step S5 Transaction matching step S6 Transaction confirmation step S7 Account Confirmation step S8 Trading step

Claims (8)

In the multiple confirmation method of digital asset transactions
A creation step of creating a digital currency account having public key information and private key information that can store digital currency and storing the private key information in a storage carrier, and
An account in which an authentication server having an authorization signature receives the public key information, authenticates the public key information, acquires an authentication address, and checks whether the public key information and the authentication address match. Authentication step and
The public key information is acquired by an electronic device, a transaction item including a public key address and a set amount is created based on the public key information, the electronic device transmits the transaction item to a transaction server, and the transaction server transmits the transaction item. A transaction matching step of matching the transaction items of a plurality of different users, generating matching information including a transaction address and a transaction amount, and transmitting the matching information to the electronic device.
A transaction confirmation step in which the storage carrier generates an electronic signature corresponding to the private key information and transmits the electronic signature to the electronic device when the set amount of the transaction item and the transaction amount of the matching information match.
The electronic device transmits the transaction address of the matching information to the authentication server, the authentication server checks the transaction address and the authentication address, and when the transaction address matches the authentication address, the permission signature is given. The account verification step to send to the electronic device and
After the electronic device acquires the matching information, the electronic signature, and the permission signature, a transaction order is generated, and the transaction order is transmitted to the transaction server to transfer the digital currency of the public key information. Trading steps and
Multiple confirmation methods for digital asset transactions, including. Before the transaction matching step
A transaction in which the electronic device acquires the set amount and the public key address from the transaction item, generates check information when there is no error in the set amount and the public key address, and transmits the transaction item to the transaction server. The method for multiple confirmation of digital asset transactions according to claim 1, further comprising an item check step. After the transaction item check step,
When the electronic device generates the check information, the electronic device transmits the transaction item to the storage carrier, the storage carrier acquires the set amount and the public key address, and the set amount and the public key. The second aspect of claim 2, further comprising a transaction item recheck step of generating recheck information to be transmitted to the electronic device such that the electronic device transmits the transaction item to the transaction server when the address is correct. Multiple confirmation method for digital asset transactions. In the transaction confirmation step, one of the electronic device and the storage carrier acquires the set amount of the transaction item and the transaction amount of the matching information, and the set amount of the transaction item and the matching information. The method for confirming multiple digital asset transactions according to claim 1, wherein the transaction amount is checked. In the transaction confirmation step, before the electronic signature is transmitted to the electronic device, the other of the electronic device and the storage carrier again checks whether the set amount matches the transaction amount of the matching information. The method for multiple confirmation of digital asset transactions according to claim 4, which is to be checked. In the transaction confirmation step, one of the electronic device and the storage carrier receives a confirmation instruction input from the user, the other of the electronic device and the storage carrier receives a reconfirmation instruction input from the user, and the electronic device. The method for multiple confirmation of digital asset transactions according to claim 5, wherein the storage carrier sequentially checks whether the set amount of money matches the transaction amount of the matching information. The authentication server is connected to a plurality of different trading mechanisms, and the trading mechanism can create the digital currency account, and further, the public key information and the private key information can be created. Multiple confirmation methods for digital asset transactions described in. The digital asset transaction according to claim 7, wherein when the trading mechanism generates the public key information, the trading mechanism sends the public key information to the authentication server and causes the authentication server to authenticate the public key information. Multiple confirmation method.

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