Information processing system, information processing method, and information processing program

Abstract

To provide a technology that enables a recipient to check whether a disclosed end-of-life notebook has been tampered with.SOLUTION: An information processing system comprises: acquiring means for acquiring an end-of-life notebook recorded by a recorder; verification information recording means for creating verification information for the end-of-life notebook and recording the verification information in a blockchain; disclosure means for disclosing the end-of-life notebook to a recipient; and verification means for, upon receiving a verification request for the end-of-life notebook from the recipient, creating the verification information for the end-of-life notebook, inquiring whether the verification information is recorded in the blockchain, and if it is recorded, determining that there is no tampering, and if it is not recorded, determining that there is tampering, and notifying the recipient of the determination result.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to an information processing system, an information processing method, and an information processing program. [Background technology]

[0002] An end-of-life notebook (also known as an "ending notebook") is a notebook in which various personal information, such as assets owned and bank account information, is compiled in preparation for the event of an emergency. Paper end-of-life notebooks pose the risk of information not reaching the intended recipient due to loss or destruction in a disaster, and there is also the possibility that the information may be viewed or edited by people other than the intended recipient, making them difficult to store safely by individuals.

[0003] Patent Document 1 discloses a system for storing will information on a blockchain. In the system of Patent Document 1, the transaction hash corresponding to the will information returned from the blockchain is stored in a correspondence table in association with the login ID of the registrant, and when a guardian such as a relative requests to view the will information, the correspondence table is referenced to search for and output the will information stored on the blockchain based on the transaction hash corresponding to the login ID of the registrant. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 2023-136928 Summary of the Invention [Problem to be solved by the invention]

[0005] However, in the system of Patent Document 1, if the transaction hash stored in the correspondence table is fraudulently rewritten, there is a possibility that other will information (falsified will information) stored on the blockchain will be referenced and output based on the fraudulent transaction hash. In this case, the guardian, such as a relative, will not be able to notice that the output will information has been falsified. Furthermore, in general, blockchains have limitations on transaction data size, making it difficult to record large amounts of data, and fees are required according to the data size, making it difficult to record will information in formats other than text, such as video, audio, or photos.

[0006] The present invention has been made in consideration of the above points. An object of the present invention is to provide a technology that allows a recipient to check whether a disclosed end-of-life notebook has been tampered with. [Means for solving the problem]

[0007] An information processing system according to a first aspect of the present invention includes: A means for acquiring the end-of-life notebook recorded by the recorder; A verification information recording means for creating verification information for the end-of-life notebook and recording the verification information in a blockchain; A disclosure means for disclosing the end-of-life notebook to a recipient; A verification means that, upon receiving a verification request for the end-of-life planning notebook from the recipient, creates verification information for the end-of-life planning notebook, inquires whether the verification information is recorded in the blockchain, and if it is recorded, determines that there is no tampering, and if it is not recorded, determines that there is tampering, and notifies the recipient of the determination result; Equipped with.

[0008] According to this aspect, the verification information of the end-of-life notebook recorded by the recorder is recorded on the blockchain, and when a verification request for the end-of-life notebook is received from the recipient, new verification information for the end-of-life notebook at that time is created, and an inquiry is made as to whether or not the verification information is recorded on the blockchain. If it is recorded, it is determined that there has been no tampering, and if it is not recorded, it is determined that there has been tampering, so the recipient can confirm whether the end-of-life notebook to be disclosed has not been tampered with (whether it is definitely the information left by the recorder). Furthermore, because the verification information, rather than the end-of-life notebook itself, is recorded on the blockchain, it is also possible to record large data sizes such as videos, audio, and photos in the end-of-life notebook.

[0009] An information processing system according to a second aspect of the present invention is the information processing system according to the first aspect, The end-of-life notebook contains multiple items, The acquiring means further acquires information on a recipient set by the recorder for each recorded item, The disclosure means discloses the end-of-life notebook to a recipient set by the recorder for each item recorded.

[0010] According to this aspect, the recorder can individually set a recipient for each item recorded in the end-of-life notebook.

[0011] An information processing system according to a third aspect of the present invention is the information processing system according to the first or second aspect, The end-of-life notebook contains multiple items, The acquisition means further acquires information on the disclosure timing set by the recorder for each recorded item, The disclosure means discloses the end-of-life planning notebook for each recorded item at the disclosure timing set by the recorder.

[0012] According to this aspect, the recorder can individually set the disclosure timing for each item recorded in the end-of-life notebook.

[0013] An information processing system according to a fourth aspect of the present invention is the information processing system according to any one of the first to third aspects, The end-of-life notebook contains one or more of the following: text, video, audio, and photographs.

[0014] An information processing system according to a fifth aspect of the present invention is the information processing system according to any one of the first to fourth aspects, The end-of-life notebook records one or more of the following information: savings information, credit card information, electronic money information, insurance, real estate, pensions, borrowings and loans, inheritance division wishes, family doctor, nursing care, funerals, internet services, and pets.

[0015] An information processing method according to a sixth aspect of the present invention is an information processing method executed by a computer, A step of obtaining the end-of-life notebook recorded by the recorder; A step of creating verification information for the end-of-life notebook and recording the verification information in a blockchain; A step of disclosing the end-of-life notebook to a recipient; When receiving a verification request for the end-of-life planning notebook from the recipient, creating verification information for the end-of-life planning notebook, inquiring whether the verification information is recorded in the blockchain, determining that there has been no tampering if it has been recorded, and determining that there has been tampering if it has not been recorded, and notifying the recipient of the determination result; Includes.

[0016] An information processing program according to a seventh aspect of the present invention comprises: A step of obtaining the end-of-life notebook recorded by the recorder; A step of creating verification information for the end-of-life notebook and recording the verification information in a blockchain; A step of disclosing the end-of-life notebook to a recipient; When receiving a verification request for the end-of-life planning notebook from the recipient, creating verification information for the end-of-life planning notebook, inquiring whether the verification information is recorded in the blockchain, determining that there has been no tampering if it has been recorded, and determining that there has been tampering if it has not been recorded, and notifying the recipient of the determination result; to be executed by the computer. [Effects of the Invention]

[0017] According to the present invention, the recipient can confirm whether the disclosed end-of-life notebook has been tampered with. [Brief explanation of the drawings]

[0018] [Figure 1] FIG. 1 is a diagram showing the overall configuration of an information processing system according to an embodiment. [Figure 2] FIG. 2 is a diagram illustrating a schematic configuration of the server. [Figure 3] FIG. 3 is a diagram illustrating an example of the operation of the information processing system according to an embodiment. [Figure 4] FIG. 4 is a diagram showing an example of a screen displayed on the terminal of the recorder. [Figure 5] FIG. 5 is a diagram showing an example of a screen displayed on the terminal of the recorder. [Figure 6] FIG. 6 is a diagram showing an example of a screen displayed on the terminal of the recorder. [Figure 7] FIG. 7 is a diagram showing an example of a screen displayed on the terminal of the recorder. [Figure 8] FIG. 8 is a diagram showing an example of a screen displayed on the recipient's terminal. [Figure 9] FIG. 9 is a diagram showing an example of a screen displayed on the recipient's terminal. [Figure 10] FIG. 10 is a diagram showing an example of a screen displayed on the recipient's terminal. DETAILED DESCRIPTION OF THE INVENTION

[0019] Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings. In the following description and the drawings used in the following description, the same reference numerals will be used for parts that can be configured identically, and duplicated descriptions will be omitted.

[0020] (Device configuration) Fig. 1 is a diagram showing the overall configuration of an information processing system 1 according to one embodiment. As shown in Fig. 1, the information processing system 1 includes a server 2, a recorder terminal 3A, a recipient terminal 3B, a system operator terminal 3C, and a blockchain system 4. The server 2, the terminals 3A to 3C, and the blockchain system 4 are communicatively connected via a network such as the Internet. The network may be either a wired line or a wireless line, and the type and form of the line are not important.

[0021] Of these, the blockchain system 4 is composed of multiple computers (not shown) called nodes, and generally each node is connected to multiple other nodes via a peer-to-peer (P2P) system. At least one of the multiple nodes is a miner node, which aggregates unprocessed transactions to generate new blocks (performs mining). In addition, at least one of the multiple nodes is a full node, which stores all of the blockchain data. The server 2 may also function as one of the nodes that make up the blockchain system 4.

[0022] The terminals 3A to 3C are used by the recorder, the recipient, and the system operator, respectively, and are, for example, electronic devices such as mobile terminals such as smartphones and tablet terminals, notebook computers, or desktop computers.

[0023] Next, we will explain the server 2. Figure 2 is a diagram showing a schematic configuration of the server 2. In the figure, the functional units that perform each function can be said to be means that perform each function.

[0024] 2, the server 2 includes a communication unit 21, a control unit 22, and a storage unit 23. The units 21 to 23 are connected to each other via a bus or a network so as to be able to communicate with each other.

[0025] Of these, the communication unit 21 is a communication interface between the server 2 and an external network. The communication unit 21 transmits and receives information between the server 2 and each of the terminals 3A to 3C and the blockchain system 4 via an external network such as the Internet.

[0026] The storage unit 23 is a non-volatile data storage such as a flash memory or a hard disk. The storage unit 23 stores various data handled by the control unit 22. For example, the storage unit 23 includes an end-of-life planning note database 23a.

[0027] In the end-of-life planning notebook database 23a, for each recorder, information on the end-of-life planning notebook recorded (registered or edited) by the recorder and information on the recipient (for example, name, relationship, telephone number, or email address) are stored in association with each other along with the recorder's identification information (for example, recorder ID). The end-of-life planning notebook database 23a may further store information on the timing of disclosing the end-of-life planning notebook to the recipient (for example, upon the death of the recorder, immediately, etc.) in association with each other.

[0028] The end-of-life planning notebook database 23a may store information about the end-of-life planning notebook recorded by the recorder, categorized into multiple items. In this case, the end-of-life planning notebook database 23a may store information about the recipient and / or disclosure timing set by the recorder in association with each recorded item.

[0029] 5 and 7, the end-of-life notebook may be divided into two categories: things to communicate and things to leave behind. As things to communicate, the end-of-life notebook may record one or more of text, video, audio, and photos. Furthermore, as things to leave behind, the end-of-life notebook may record one or more of the following information: savings information, credit card information, electronic money information, insurance, real estate, pensions, loans, inheritance division (property division), family doctor, nursing care, funerals, internet services, and pets.

[0030] In the end-of-life notebook database 23, information on the recipient and / or information on the timing of disclosure set by the recorder may be associated and stored for each category (what you want to convey, what you want to leave behind), or information on the recipient and / or information on the timing of disclosure set by the recorder may be associated and stored for each sub-item included in a category (deposit and savings information, credit card information, electronic money information, etc.).

[0031] Note that the memory unit 23 does not necessarily have to be physically located within the server 2, and part or all of the memory unit 23 may be located within another device (e.g., cloud storage) that is communicatively connected to the server 2 via an external network.

[0032] 2, the control unit 22 includes an acquisition unit 22a, a verification information recording unit 22b, a disclosure unit 22c, and a verification unit 22d. Each of these units 22a to 22d may be realized by a processor in the server 2 executing a predetermined program, or may be implemented in hardware.

[0033] The acquisition unit 22a acquires the end-of-life planning notebook recorded by the recorder. For example, referring to FIG. 6, when a message is input (or edited) on the input (or edit) screen of the end-of-life planning notebook displayed on the recorder terminal 3A, and the recipient and / or disclosure timing of the message is set, and then the registration button is clicked (or tapped), the input (or edited) message is transmitted from the recorder terminal 3A to the server 2 together with information on the set recipient and / or disclosure timing, and is acquired by the acquisition unit 22a as information recorded in the end-of-life planning notebook by the recorder. The acquisition unit 22a stores the information of the end-of-life planning notebook recorded by the recorder in the end-of-life planning notebook database 23a together with information on the recipient and / or disclosure timing set by the recorder.

[0034] 5 and 7, a plurality of items may be recorded in the end-of-life planning notebook. In this case, the acquisition unit 22a may further acquire information on the recipient and / or information on the disclosure timing set by the recorder for each recorded item, and store the information in the end-of-life planning notebook database 23a.

[0035] The verification information recording unit 22b creates verification information (e.g., a hash value) of the end-of-life planning note acquired by the acquisition unit 22a, and records the verification information in the blockchain. For example, the verification information recording unit 22b generates a transaction in which the verification information of the end-of-life planning note is stored, and transmits the transaction to the blockchain system 4. Generally, a transaction transmitted to the blockchain system 4 is registered (recorded) in the blockchain by a minor node mining a block containing the transaction. By registering a transaction in which the verification information of the end-of-life planning note is stored in the blockchain, it becomes substantially impossible to subsequently alter the verification information.

[0036] The disclosure unit 22c discloses the end-of-life planning notebook acquired by the acquisition unit 22a to the recipient. For example, the disclosure unit 22c refers to the end-of-life planning notebook database 23a, issues an invitation code at the disclosure timing set by the recorder, and shares the invitation code with the recipient set by the recorder. The disclosure unit 22c may send the issued invitation code via SMS or email addressed to the recipient's telephone number or email address, or may display the invitation code on an app to which the recipient is logged in. Then, when the recipient operates the recipient terminal 3B to perform code authentication, the disclosure unit 22c displays the end-of-life planning notebook 71 recorded by the recorder on the basic screen of the app displayed on the recipient terminal 3B, as shown in FIG. 8.

[0037] When multiple items are recorded in the end-of-life planning notebook and a recipient is set for each recorded item, the disclosure unit 22c may disclose the end-of-life planning notebook acquired by the acquisition unit 22a to the recipient set by the recorder for each recorded item. Also, when multiple items are recorded in the end-of-life planning notebook and a disclosure timing (upon the death of the recorder, immediately, etc.) is set for each recorded item, the disclosure unit 22c may disclose the end-of-life planning notebook acquired by the acquisition unit 22a at the disclosure timing set by the recorder for each recorded item.

[0038] Specifically, for example, when the system operator operates the system operator terminal 3C to register the death of the recorder, the identification information of the recorder is transmitted from the system operator terminal 3C to the server 2, and the disclosure unit 22c refers to the end-of-life planning notebook database 23a based on the received identification information of the recorder, identifies the information in the end-of-life planning notebook recorded by the recorder, and transmits and displays information on items in the identified end-of-life planning notebook for which the disclosure timing is set to "at the time of death" to the recipient terminal 3B. The system operator may also register the death by submitting a certificate regarding the death of the recorder (for example, a death certificate issued by a doctor, image data of a death notification accepted by a local government, etc.).

[0039] When the verification unit 22d receives a request to verify the end-of-life planning notebook disclosed by the recipient, it creates new verification information for the end-of-life planning notebook, inquires whether the verification information is recorded in the blockchain, and if it is recorded, determines that there has been no tampering, and if it is not stored, determines that there has been tampering, and notifies the recipient of the determination result.

[0040] Specifically, for example, referring to FIG. 9, when the recipient clicks (or taps) the “Verify with Blockchain” button 73 on the disclosure screen of the end-of-life planning notebook displayed on the recipient terminal 3B, a request for verifying the end-of-life planning notebook is transmitted from the recipient terminal 3B to the server 2. Upon receiving the request for verifying the end-of-life planning notebook from the recipient terminal 3B, the verification unit 22d creates new verification information (e.g., a hash value) of the recorder’s end-of-life planning notebook (currently) disclosed to the recipient, transmits it to the blockchain system 4, and inquires whether the newly created verification information is recorded in the blockchain. If the newly created verification information is recorded in the blockchain, the verification unit 22d determines that the end-of-life planning notebook disclosed to the recipient has not been tampered with. On the other hand, if the newly created verification information is not recorded in the blockchain, the verification unit 22d determines that the end-of-life planning notebook disclosed to the recipient has been tampered with (due to unauthorized access to the end-of-life planning notebook database 23a). The verification unit 22d then transmits the determination result to the recipient terminal 3B for display (see FIG. 10).

[0041] (Example of operation) Next, an example of the operation of the information processing system 1 will be described with reference to Fig. 3. Fig. 3 is a diagram for explaining an example of the operation of the information processing system 1.

[0042] As shown in FIG. 3, first, the acquisition unit 22a acquires the end-of-life planning notebook recorded by the recorder (step S10). Specifically, for example, referring to FIG. 4, the acquisition unit 22a displays the end-of-life planning notebook 51 ("My Notes") recorded by the recorder ("IT Taro" in the illustrated example) on the basic screen of the app displayed on the recorder terminal 3A. Next, when the "Edit" button 52 on the basic screen is clicked (or touched), the acquisition unit 22a causes the recorder terminal 3A to display a screen (see FIGS. 5 and 7) that displays each item recorded in the end-of-life planning notebook with an icon. For example, referring to FIG. 5, when one item recorded in the end-of-life planning notebook (for example, the "Text" icon) is clicked (or touched), the acquisition unit 22a causes the recorder terminal 3A to display an input (or edit) screen for the end-of-life planning notebook (see FIG. 6). Then, when a message is entered (or edited) in text (or video, audio, or photo is uploaded) on the input (or editing) screen for the end-of-life planning notes, the recipient and / or disclosure timing of the message is set, and then the registration button is clicked (or tapped), the acquisition unit 22a acquires the entered (or edited) message from the recorder terminal 3A as information on the end-of-life planning notes recorded by the recorder, along with information on the set recipient and / or disclosure timing, and stores it in the end-of-life planning notes database 23a.

[0043] Next, the verification information recording unit 22b creates verification information (for example, a hash value) of the end-of-life planning notebook acquired by the acquisition unit 22a, and records the verification information in the blockchain (step S11). By recording the verification information of the end-of-life planning notebook recorded by the recorder (at that time) in the blockchain, it is possible to prevent the recorded verification information from being illegally rewritten at a later date.

[0044] Next, the disclosure unit 22c discloses the end-of-life planning notebook acquired by the acquisition unit 22a to the recipient. Specifically, for example, referring to FIG. 8, the disclosure unit 22c displays the end-of-life planning notebook 71 ("IT Taro's Note") acquired by the acquisition unit 22a, along with the end-of-life planning notebook 61 ("My Note") recorded by the recipient ("IT Hanako" in the illustrated example), on the basic screen of the app displayed on the recipient terminal 3B. Next, when the "See More" button 72 on the basic screen is clicked (or touched), the disclosure unit 22c displays a screen (hereinafter referred to as the disclosure screen) (see FIG. 9) on the recipient terminal 3B that displays, as icons, each item recorded in the end-of-life planning notebook ("IT Taro's Note") acquired by the acquisition unit 22a. Here, if the recorder's death has not been registered on the system operator terminal 3C, the disclosure unit 22c displays only the icons for items for which the disclosure timing is set to "immediate." On the other hand, when the recorder's death is registered on the system operator terminal 3C, the disclosure unit 22c displays both the icon of the item for which the disclosure timing is set to "immediately" and the icon of the item for which the disclosure timing is set to "at the time of death." Next, when an item (for example, the "Text" icon) recorded in the end-of-life planning notebook ("IT Taro's Note") is clicked (or touched) and selected, the disclosure unit 22c acquires the information recorded in the selected item by referring to the end-of-life planning notebook database 23a, and transmits it to the recipient terminal 3B for display.

[0045] Next, when the verification unit 22d receives a request to verify the end-of-life planning notebook disclosed by the recipient, it creates new verification information for the end-of-life planning notebook and inquires whether the verification information is recorded in the blockchain (step S13). Specifically, for example, referring to FIG. 9, when the recipient clicks (or taps) the "Verify with Blockchain" button 73 on the disclosure screen displayed on the recipient terminal 3B, a verification request for the end-of-life planning notebook is transmitted from the recipient terminal 3B to the server 2. When the verification unit 22d receives a request to verify the end-of-life planning notebook from the recipient terminal 3B, it creates new verification information (e.g., a hash value) for the end-of-life planning notebook disclosed to the recipient (at that time), transmits it to the blockchain system 4, and inquires whether the newly created verification information is recorded in the blockchain.

[0046] If the newly created verification information is recorded in the blockchain (step S14: YES), the verification unit 22d determines that the end-of-life planning notebook disclosed to the recipient has not been tampered with (step S15). On the other hand, if the newly created verification information is not recorded in the blockchain (step S14: NO), the verification unit 22d determines that the end-of-life planning notebook disclosed to the recipient has been tampered with (step S16).

[0047] Next, the verification unit 22d notifies the recipient of the determination result (step S17). For example, referring to Fig. 10, the verification unit 22d transmits the determination result to the recipient terminal 3B and displays the determination result in a pop-up on the disclosure screen displayed on the recipient terminal 3B.

[0048] According to the above-described embodiment, the verification information of the end-of-life notebook recorded by the recorder is recorded on the blockchain, and when a verification request for the end-of-life notebook is received from the recipient, new verification information for the end-of-life notebook at that time is created, and an inquiry is made as to whether the verification information is recorded on the blockchain. If it is recorded, it is determined that there has been no tampering, and if it is not recorded, it is determined that there has been tampering. This allows the recipient to confirm whether the disclosed end-of-life notebook has not been tampered with (whether it is definitely the information left by the recorder). Furthermore, because the verification information, rather than the end-of-life notebook itself, is recorded on the blockchain, it is also possible to record large data sizes such as video, audio, and photos in the end-of-life notebook.

[0049] It should be noted that the above description of the embodiment and the disclosure of the drawings are merely examples for explaining the invention described in the claims, and the invention described in the claims is not limited by the description of the embodiment or the disclosure of the drawings. The components of the above embodiment can be combined in any manner without departing from the spirit of the invention.

[0050] Furthermore, the information processing system 1 according to the above-described embodiment may be configured by one or more computers, but the program for realizing the information processing system 1 on one or more computers and the computer-readable recording medium on which the program is non-transitory are also protected by this case. [Explanation of symbols]

[0051] 1. Information Processing Systems 2 Server 21 Communications Department 22 Control Unit 22a Acquisition Department 22b Verification information recording section 22c Disclosure Department 22d Verification Department 23 Memory section 23a End-of-life Note Database 3A Recorder Terminal 3B Recipient terminal 3C System operator terminal 4. Blockchain System

Claims

1. A means for acquiring the end-of-life notebook recorded by the recorder; A verification information recording means for creating verification information for the end-of-life notebook and recording the verification information in a blockchain; A disclosure means for disclosing the end-of-life notebook to a recipient; A verification means that, upon receiving a verification request for the end-of-life planning notebook from the recipient, creates verification information for the end-of-life planning notebook, inquires whether the verification information is recorded in the blockchain, and if it is recorded, determines that there is no tampering, and if it is not recorded, determines that there is tampering, and notifies the recipient of the determination result; An information processing system comprising:

2. The end-of-life notebook contains multiple items, The acquiring means further acquires information on a recipient set by the recorder for each recorded item, The disclosure means discloses the end-of-life notebook to a recipient set by the recorder for each item recorded. The information processing system according to claim 1 .

3. The end-of-life notebook contains multiple items, The acquisition means further acquires information on the disclosure timing set by the recorder for each recorded item, The disclosure means discloses the end-of-life notebook for each recorded item at the disclosure timing set by the recorder. The information processing system according to claim 1 .

4. The end-of-life notebook contains one or more of text, video, audio, and photos.

4. The information processing system according to claim 1.

5. The end-of-life notebook will record one or more of the following information: savings information, credit card information, electronic money information, insurance, real estate, pension, borrowings / loans, inheritance division wishes, family doctor, nursing care, funeral, internet services, and pets.

4. The information processing system according to claim 1.

6. 1. A computer-implemented information processing method, comprising: A step of obtaining the end-of-life notebook recorded by the recorder; A step of creating verification information for the end-of-life notebook and recording the verification information in a blockchain; A step of disclosing the end-of-life notebook to a recipient; When receiving a verification request for the end-of-life planning notebook from the recipient, creating verification information for the end-of-life planning notebook, inquiring whether the verification information is recorded in the blockchain, determining that there has been no tampering if it has been recorded, and determining that there has been tampering if it has not been recorded, and notifying the recipient of the determination result; An information processing method including:

7. A step of obtaining the end-of-life notebook recorded by the recorder; A step of creating verification information for the end-of-life notebook and recording the verification information in a blockchain; A step of disclosing the end-of-life notebook to a recipient; When receiving a verification request for the end-of-life planning notebook from the recipient, creating verification information for the end-of-life planning notebook, inquiring whether the verification information is recorded in the blockchain, determining that there has been no tampering if it has been recorded, and determining that there has been tampering if it has not been recorded, and notifying the recipient of the determination result; An information processing program that causes a computer to execute the above.

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