KR20210101681A - Based on decentralized identity verification Belonging Information Management And lost/Theft Management method and system - Google Patents

Abstract

The present invention provides a method for managing personal information and loss/theft based on decentralized identity authentication. Provided are a method and a device, wherein in order to directly control and manage user-related belongings stored in a DB server based on a user's smartphone unique identification information, information is stored in a user's personal blockchain wallet and whenever necessary, a private key through a decentralized identifier (DID) by entering (password), a user can use user information to manage user belongings information and report loss/theft.

Description

{Based on decentralized identity verification Belonging Information Management And lost/Theft Management method and system}

The present invention relates to the field of Internet information processing technology and computer technology, and more particularly, to a method and system for managing user's belongings information and loss/theft management with decentralized identity authentication based on block chain technology.

In modern society, various credit cards (check cards) or identification cards are an essential economic means and recognition means to identify individuals, and smartphones are used as an important means of communication.

Since these various belongings have very important functions for each item, thorough management is required.

In other words. If a third party acquires lost belongings and uses them for bad purposes such as forgery or falsification, it can cause enormous damage to the person, so it is necessary to keep them thoroughly.

Blockchain technology, which is recently spreading around the world, has the advantage that due to the nature of block chain technology that guarantees transparency and trust, it cannot be changed by anyone arbitrarily and can be confirmed by all participants.

From the point of view of the civil petitioner, based on blockchain technology, the user can manage his/her belongings and perform civil affairs related to theft/loss of belongings according to predefined rules on a decentralized P2P network that cannot be forged or tampered with. Organizations that can deal with it need a means and method that can efficiently handle administrative tasks related to stolen/lost belongings based on blockchain.

As mentioned above, in order to minimize these inconveniences and problems and to prepare for theft/loss, the ID management method and system using the No. 10-2020-0003972 block chain applied by the present applicant solves the problems of the prior art. To solve the problem, theft/loss information (theft/lost report information, loss certificate and temporary ID issuance information that can prove the identity) is converted into a hash value by using a blockchain-based smart contract and stored based on the block chain. / By making it impossible to forge or falsify lost information, damage that is misused and abused for crime can be prevented in real time.

In addition, by issuing a loss certificate and temporary ID card that can prove the person online, the inconvenience of the lost person is solved by simplifying administrative work, and copy information of the lost certificate and temporary certificate is provided so that users can use it conveniently. Information is provided to increase the probability of returning lost belongings by providing information that can be contacted.

In addition, the loss/theft management method and system of belongings using the No. 10-2020-0012314 block chain applied by the present applicant allows users to manage personal information of their belongings and civil affairs related to theft/loss of belongings in advance on a distributed P2P network. Organizations that can perform according to defined rules and handle civil affairs are providing means and methods to efficiently handle administrative tasks related to stolen/lost belongings based on blockchain.

Application Patent No. 10-2020-0003972 ID management method and system using blockchain. Applied Patent No. 10-2020-0012314 Method and System for Loss/Theft Management of Belongings Using Blockchain

An object of the present invention relates to a method and system for managing personal belongings information and loss/theft management based on decentralized identity authentication, so that a user can directly control and manage user-related belongings stored in a DB in advance based on the user's smartphone unique identification information. A means to store information in a personal blockchain wallet and use your own information to manage your belongings information and report loss/theft by entering your private key (password) through Decentralized Identifier (DID) whenever necessary and to provide a method.

In the method for managing belongings information and loss/theft management based on decentralized identity authentication according to the present invention, after the APP is installed, the generation of the belongings information input key is requested based on the user's smartphone identification information, and the requested related belongings information input key is An input window is created to input information about belongings according to a defined code system corresponding to 1:1.

Decentralization through a transaction created so that user information and belongings information are input in the input window created here, and the public key of belongings can be matched 1:1 based on smart contract based on the entered personal information and user's unique identification information A Decentralized Identifier (DID) value is created and converted into a block chain, and the DID value is stored in the user's electronic wallet.

Here, when belongings containing unique identification information are stolen or lost, select one or more stolen or lost belongings information among the belongings stored in the user's smartphone and request assistance including the stolen and lost location information, lost property information, contact information, etc. Enter more occurrence conditions or check preset information.

Then, a password for the theft/lost report information is set, and the report information on the stolen and lost belongings created based on the smart contract is transmitted to the certification authority.

Here, when the certification authority receives report information on stolen or lost belongings, it detects information related to stolen/lost belongings based on the user's DID information stored in the DB server, then matches and verifies transaction suspension and loss certificates, temporary A private key that can be decoded is further provided so that a related certification authority that can handle the administrative task of issuing a certificate can verify the authenticity and read the information.

Then, the relevant certification authority blocks the transaction with information about belongings decoded with the private key to prevent damage that is misused and abused in crime in real time. Certificates and temporary certificates are issued online to users as lost certificates and temporary certificates created by smart contracts.

Here, in the issuance of a certificate of loss and temporary certificate that can prove stolen/lost belongings, the certificate issuance country, the name of the certification authority, the serial number and validity period of the certificate, name, date of birth, the scope, purpose, and use of the lost certificate and temporary certificate Create related information such as period and available area information.

And according to the defined code system corresponding to the generated information, a random number identification code (QR code) transmits the DID information and identification code generated based on the smart contract so that the information can be checked on the user's smartphone.

Then, the user checks the issued lost certificate and temporary certificate information on the smartphone, and outputs the confirmed lost certificate and temporary certificate in the form of printed matter in conjunction with the output device.

As described above, according to the embodiment of the present invention, a means and method for managing personal information of belongings and reporting loss/theft by inputting a private key (password) through Decentralized Identifier (DID) and utilizing the user's personal information As a reliable distributed application that can perform related civil affairs is easily implemented and loss/theft report information can be provided, the relevant certification authority can use the stolen/lost belongings in real time to stop transactions and prevent them from being misused and misused for crimes. It can prevent damage, reduce time and cost, and improve convenience by providing a one-stop online issuance service for related civil documents such as lost certificates and temporary certificates.

1 is a block diagram of a preferred embodiment for explaining a decentralized identity authentication (Decentralized Identifier, DID) generation system according to the present invention.
Figure 2 is a block diagram of a preferred embodiment for explaining a decentralized identity authentication (Decentralized Identifier, DID) authentication request system according to the present invention.
Figure 3 is a configuration diagram of a preferred embodiment for explaining the decentralized belongings information management and loss / theft management control system according to the present invention.
4 is a block diagram for explaining a preferred embodiment of the database according to the present invention,
Figure 5 is a flow chart showing a preferred example for explaining the process of generating a decentralized identity authentication (Decentralized Identifier, DID) through the user belongings information registration process according to the present invention,
6 is a flowchart showing a preferred example for explaining the process of reporting theft and loss of belongings and the process of generating a temporary certificate that can prove theft and lost belongings according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The following detailed description of the present invention is an embodiment in which the present invention may be practiced, and reference is made to the accompanying drawings shown by way of example for the embodiment. These embodiments are described in sufficient detail to enable those skilled in the art to practice the present invention.

It should be understood that various embodiments of the present invention are different but need not be mutually exclusive. For example, certain shapes, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention with respect to one embodiment. It should also be understood that the position or arrangement of individual components in each disclosed embodiment may be changed without departing from the spirit and scope of the present invention.

Accordingly, the detailed description set forth below is not intended to be taken in a limiting sense, and the scope of the present invention, if properly described, is limited only by the appended claims, along with all scopes equivalent to those claimed by the claims. Like reference numerals in the drawings refer to the same or similar functions throughout the various aspects.

Terms including an ordinal number, such as first, second, etc., may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another.

The terminology used in the present application is only used to describe specific embodiments, and is not intended to limit the present invention, and the singular expression includes a plural expression unless the context clearly indicates otherwise.

The terms used in the present invention have been selected as currently widely used general terms as possible while considering the functions in the present invention, but these may vary depending on the intention or precedent of a person skilled in the art, the emergence of new technology, and the like.

In addition, in a specific case, there is a term arbitrarily selected by the applicant, and in this case, the meaning will be described in detail in the description of the corresponding invention. Therefore, the term used in the present invention should be defined based on the meaning of the term and the overall content of the present invention, rather than the name of a simple term.

When a part “includes” a component throughout the specification, this means that other components may be further included, not excluding other components, unless otherwise stated.

In addition, terms such as “…unit” and “…module” described in the specification mean a unit that processes at least one function or operation, which may be implemented as hardware or software or a combination of hardware and software. can

Meanwhile, in the present invention, a smartphone may be any electronic device having a touch screen, and may be referred to as a portable terminal, a mobile terminal, a communication terminal, a portable communication terminal, a portable mobile terminal, a mobile communication terminal, and the like.

In addition, any electronic device may be a smartphone, a mobile phone, a game machine, a display device, a wearable head unit, a notebook computer, a laptop computer, a tablet computer, a personal media player (PMP), a personal digital assistant (PDA), a navigation device, etc. can

A network in the present invention refers to a connection structure in which information exchange is possible between each node such as a plurality of terminals and servers, and an example of such a network includes RF, 3rd Generation Partnership Project (3GPP) network, LTE ( Long Term Evolution) network, 5th Generation Partnership Project (5GPP) network, World Interoperability for Microwave Access (WIMAX) network, Internet, Local Area Network (LAN), Wireless Local Area Network (Wireless LAN), Wide Area (WAN) network Network), PAN (Personal Area Network), Bluetooth (Bluetooth) network, NFC network, satellite broadcasting network, analog broadcasting network, DMB (Digital Multimedia Broadcasting) network, and the like are included, but are not limited thereto.

In addition, the user's smartphone and electronic device in the present invention may be a flexible device or a flexible display device.

A typical configuration of such a smart phone and an electronic device relates to a portable terminal device, and some constituent elements in the typical configuration of such an electronic device may be omitted or changed as necessary.

A display according to an embodiment of the present invention includes a discharge tube display (ELD), a vacuum fluorescent display (VFD), a light emitting diode display (LED), a cathode ray tube (CRT), a liquid crystal display (LCD), a thin film transistor liquid crystal display (TFT LCD), Plasma Display Panel (PDP), Surface Ultimate Lighting (ALiS), Digital Light Source Processing (DLP), Silicon Liquid Crystal (LCoS), Organic Light Emitting Diode (OLED), Surface Conduction Electron Emitting Device Display (SED), Field Emission Display ( FED), Laser TV (Quantum Dot Laser, Liquid Crystal Laser), Optoelectric Liquid Display (FLD), Interferometric Modulator Display (iMoD), Thick Film Dielectric Electric (TDEL), Quantum Dot Display (QD-LED), Telescopic Pixel Display ( TPD), an organic light emitting transistor (OLET), a laser fluorescence display (LPD), a screen displaying an image output from a beam project, a flexible display, and the like.

The storage unit according to an embodiment of the present invention may include any type of recording medium in which programs and data are stored so as to be read by a computer system as a recording medium.

For example, punch card, paper tape, PROM (Programmable Read-Only Memory), EPROM (Erasable PROM), Flash-EPROM (FLASH-EPROM), ROM (ROM: Read Only Memory), RAM (Random Access Memory), CD (Compact Disk), CD-ROM (Compact Disc Read-Only Memory), DVD (Digital Video Disk)-ROM, magnetic tape, floppy disk , flexible disks, optical data storage devices, hard disk drives (HDDs), solid state drives (SSDs), solid state hybrid drives (SSHDs) and embedded multimedia cards (eMMCs). can

Also, it may be implemented in the form of a carrier wave (eg, transmission through the Internet).

Here, using a plurality of information corresponding to various belongings, a transaction generated based on a smart contract is block chained (700) and stored as a unique identification information code in real time.

Here, various belongings include a resident registration card, driver's license, passport, and identification card. Various certificates that can identify the person, such as a public official ID card, membership card, credit card, check card, membership card, welfare card, mobile phone, laptop, key, wallet, bag, or a specific class of discount coupon or admission ticket depending on the scope or purpose of use, etc. It can be expressed as one of the belongings.

In addition, the belongings here can be expressed as one of the belongings that can be possessed (attached) to the socially disadvantaged (children, women, intellectually disabled, elderly people with dementia, etc.) or dogs.

In the present invention, a transaction generated based on a smart contract is block chained (700) so that a user can quickly report a lost or stolen item using the DID (400) value stored as unique identification information in real time. It provides services that can be used easily and prevent damage and misuse of belongings in real-time from theft and crime.

In the present invention, various belongings reported as theft and loss are linked with the loss or acquisition report information of the lost and found center of the relevant certification institution, so that the lost person can quickly check and retrieve the belongings reported as stolen or lost. management methods are provided.

In the present invention, it is possible to create an independent environment for executing smart contracts by designing each function separately for smooth function change and efficient transaction processing.

In addition, the smart contract described in the present invention allows you to set various conditions related to belongings registration information, stolen/lost belongings, missing missing persons, dogs, etc., based on the user's smartphone identification information, It is a computer protocol for establishing, verifying, and executing a specific contract by itself in a situation that satisfies the condition, and it is programmed to automatically execute the transaction without the intervention of an intermediary when certain conditions are satisfied.

That is, the issuance of a loss certificate or temporary certificate that can prove a request for help (theft/lost) with an automated contract system, personal identification, ownership authentication, product purchase, genuine product authentication, relay, theft/loss certificate issuing country, certification authority It is widely used for name, validity period and loss certificate or temporary certificate use range, purpose, period of use, theft/lost information, etc. Recently, it is used in connection with the Internet of Things.

In smart contracts, transactions are automatically established according to conditions, preventing forgery and tampering by middle managers.

In addition, since transaction information records are preserved, malicious actions such as forgery of belongings/manipulation of accident records can be prevented, thereby preventing secondary damage.

Here, the structure of the smart contract is simple.

When the condition is satisfied, it is executed, and these transaction terms can be recorded in a script in the blockchain, which is also shared with all participants.

Blockchain is a technology that records and manages the ledger that records data information jointly by electronic devices participating in the network by distributing it to a P2P network rather than a central server of a specific institution.

In the existing system, there was an arbitrary central administrator, and the role of confirming and clearing data between both parties and keeping transaction records, but the blockchain ultimately makes the role of such central administrator unnecessary, resulting in low system infrastructure costs and There is also an advantage in that data integrity increases as the number of participating electronic devices increases.

In the present invention, decentralized identity authentication (DID) based on block chain is a strong security technology for personal information authentication, and provides a structure in which individuals can create their own IDs and directly manage data related to them. .

Here, you can prove that you have the information without providing any identification information of yourself to the other party.

In addition, it is also possible to selectively provide only necessary information through verifiable proofs, or to provide various verifiable proofs in combination.

In the block chain, it is difficult to handle sensitive personal information because all calculation processes are disclosed, but in the present invention, encryption technology can be applied to increase efficiency.

In the present invention, a transaction is a set of operations constituting one logical unit of work, and includes atomicity (all tasks are completed or canceled as an inseparable unit), consistency (used All data is consistent), Isolation (Data being accessed can see the state before and after the transaction is completed from another transaction, but cannot see the intermediate data of the transaction) , has durability (when a transaction is normally terminated, the result is permanently applied to the system).

In the present invention, Figure 1 is a block diagram of a preferred embodiment for explaining a decentralized identity authentication (Decentralized Identifier, DID) generation system according to the present invention. Figure 2 is a block diagram of a preferred embodiment for explaining a decentralized identity authentication (Decentralized Identifier, DID) authentication request system according to the present invention. Figure 3 is a configuration diagram of a preferred embodiment for explaining the decentralized belongings information management and loss / theft management control system according to the present invention. 4 is a configuration diagram for explaining a preferred embodiment of a database according to the present invention.

1 to 4, the belonging information management and loss/theft management system based on decentralized identity authentication according to the present invention eliminates the inconvenience and convenience caused by the user 200 managing various personal belongings information through a smartphone. It is designed to efficiently manage various belongings.

Here, referring to Figure 1, the decentralized identity authentication (Decentralized Identifier, DID) generation system stores the DID 400 that can prove belongings in the certification authority 500 in the block chain 700, and the user uses the smartphone 200. When a DID 400 generation using unique identification information is requested, the DID 400 is generated and stored in the block chain, and the generated DID 400 information is transmitted to the user 200 electronic wallet 250 .

2, the decentralized identity authentication (DID) authentication request system of the present invention is a service provider DB server 100 capable of communicating with smartphones (electronic devices) connected through a wired or wireless communication network such as the Internet; When the belongings information input key is executed, the international mobile device identification number (MIN or MSIN), international mobile device identification information (IMEI), mobile communication number information, etc., which are unique identification information of the smartphone, are automatically generated. It includes a user smart phone 200 that provides a user interface environment to report theft, a certification authority 500, and a plurality of smart phones participating in the block chain network 300 .

Here, the user's smart 200 phone further includes a personal block chain wallet 250 that can directly control and manage personal information and related belongings information.

Here, the service provider DB server 100 is connected to a wired/wireless communication network to communicate with a plurality of electronic devices.

Here, the DB server 100 further includes a processor, a control unit, and a database 140 .

Here, the DB server 100 is WINDOWS 2000, WINDOWS 2008, WINDOWS NT 3.51, WINDOWS NT 4.0 manufactured by Microsoft Corporation, MacOS manufactured by Apple Computer in Cupertino, California, Java, UNIX (UNIX). Alternatively, it may operate under the control of various operating systems including, but not limited to, Linux.

Here, the DB server 100 may be composed of machine learning (deep learning) and element technologies utilizing machine learning.

Here, machine learning is an algorithm technology that categorizes/learns the characteristics of input data by itself, and element technology uses machine learning algorithms such as deep learning to simulate functions such as cognition and judgment of the human brain. It may consist of technical fields such as visual understanding, reasoning/prediction, knowledge expression, and motion control.

Here are the fields where AI technology is applied:

Visual understanding includes various resident registration cards, driver's licenses, passports, and identification cards. Various certificates that can identify the person, such as a public official ID card, membership card, credit card, check card, membership card, welfare card, mobile phone, laptop, key, wallet, bag, or a specific class of discount coupon or admission ticket depending on the scope or purpose of use, etc. It is a technology that recognizes and applies/processes images among belongings possessed by the socially disadvantaged (children, women, intellectually disabled, elderly people with dementia, etc.) or belongings that can be possessed (attached) to dogs, object identification, object tracking, scene understanding, space understanding, image enhancement, and the like.

Here, it is possible to logically reason and predict by judging various personal belongings information, and include optimization prediction, knowledge construction (data generation/classification), knowledge management (data utilization), and the like.

Here, the database 140 may be configured as a separate server.

Here, the database 140 is, for example, a relational database management system (RDBMS) such as Oracle, Informix, Sybase, DB2, Gemston, Orion, O2, etc. It may be implemented for the purpose of the present invention using an object-oriented database management system (OODBMS), and may have appropriate fields to achieve its function.

Here, the DB server 100 generates a transaction including the merkroot as data and stores the merkroot in a plurality of smartphones participating in the block chain network 300 through a method of propagating it to the block chain network 300 .

Here, the DB server 100 stores a transaction or a block chain address used to create a transaction for each belonging.

In addition, if the transaction or block chain address is searched in the block chain network 300, the corresponding Merkle root stored in the block chain network can be checked.

Here, the Merkle root is the value obtained when the hash value of the transaction details held by the block is hashed by pairing the closest transaction details, and this process is repeated until the pair cannot be formed.

This is a summary of all transactions stored in the block, and contains hash information about the root of the Merkle tree generated from the transactions included in the block.

Here, the transaction or block chain address is information used to specify the transaction in the block chain network, and the DB server 100 may store only one of the transaction and the block chain address.

Here, if you know the transaction, you can check the transaction in the blockchain network 300 to check the block chain address, and if you know the block chain address, you can check the transaction.

Here, even if there is an attempt to forge stolen/lost information, if you follow the Merkle path of the Merkle Tree, a different hash value will come out, so you can know the forgery of the record and prevent it.

Here, the processor of the DB server 100 executes a program capable of encoding various kinds of real personal belongings information.

Here, the process related to overall belongings management, such as the management of belongings such as the user's reading record of belongings, authentication of belongings, and verification of the integrity of the stolen/lost information (forgery verification), is a process in which smart contracts are applied based on blockchain.

In addition, processes related to management such as access control, membership, discount tickets for specific classes, and admission tickets may further include a process to which a smart contract is applied based on a block chain.

Here, the program includes an information generation unit, an information storage unit, a detection unit, an information recognition unit, an encoding unit, and a decoding unit, and a detailed description of the service program will be described later.

Here, the information generating unit is a unique code system including an interbase such as URL / special character or number / special function based on user information and belongings information from the user 200 first, and the area visually visible by matching the locations according to the types of belongings Generates a unique identification information data code in the code system 150 defined by the reference arranged in the image of various belongings and the information area.

Here, the inputted user member information and various belongings information are generated in a 1:1 correspondence.

And the generated information and member information ... etc. are written on an interface including special characters or numbers including URLs corresponding to the various belongings 500 information provided by the service provider, or special functions (execution buttons).

Here, when the information received from the smartphone is checked and executed, a user interface environment is provided so that related information can be automatically generated and the DB server 100 capable of communicating with the smartphone is provided.

Here, the DB server 100 records the lost/stolen information in a block chain on a number of smartphones participating in the block-chain network 300, and suspends transactions for lost/stolen belongings recorded in the block chain. and administrative tasks, including administrative tasks for lost certificates, are processed only when approved on the block chain.

In addition, the DB server 100, when a report of loss/theft of belongings is requested from the smartphone reporting the loss/theft of belongings, after the requested information transfer is approved on the block chain, transaction suspension and loss certificate administration for belongings make the work happen

Here, the information receiving unit that receives the user 200 information and the help request (theft/lost) hash value information, which are data information corresponding to various belongings information, through the wired/wireless communication network so as to match the various belongings information, the user 200 information An information storage unit for receiving and storing the hash value, which is user information or belongings information, and the Merkle tree of belongings, the received user hash value information matches the related user information or belongings hash value information stored in the DB server 100 There is a detection unit that checks the authenticity, an encoding unit that encodes data by mapping according to a defined code system to reduce the amount of image data, and a decoding unit that decodes the coded data or commands to be processed.

And it further includes an information transmitter for transmitting help request (theft/lost) information to a plurality of electronic devices by checking the hash value information on whether a theft/lost signal is generated through the setting unit of the user's smartphone 200 .

Here, information on belongings is detected based on user information stored in advance in the DB server 100 corresponding to the help request (theft/lost) hash value information received from the information receiving unit, and then transaction suspension and loss certificate administration with matching and confirmed information Information is provided to related certification agencies and companies that can handle business to block transactions of various belongings to prevent damage that is misused and abused in crime in real time, and to use the generated information to request help (theft/lost) information The related information is provided so that a certificate of loss or a temporary certificate 600 that can be verified can be issued.

In the present invention, when the belongings information management and loss/theft management system based on decentralized identity authentication is executed, the international mobile device identification number (MIN or MSIN), which is unique identification information of the smartphone, international mobile device identification information ( IMEI), mobile communication number information, etc. are automatically generated, and personal information and related belongings information are transmitted to the user's smartphone 200 and the user 200, which provide a user interface environment to input information related to belongings or report loss/theft. A personal blockchain wallet 250 that can be directly controlled and managed, and a smartphone run a program that can generate smartphone unique identification information and input, register, and confirm related information such as NFC tag information, belongings information, and guardian contact information. .

Here, the belongings management program contains information in the user's personal block chain wallet 250 so that the user's personal information and related belongings stored in advance in the DB server 100 can be directly controlled and managed based on the user's smartphone 200 unique identification information. It provides a means and method to manage personal information and report loss/theft by using the user's personal information by entering the private key (password) through Decentralized Identifier (DID) whenever necessary.

Here, the lost/stolen belongings information is matched with the DB server 100 based on the unique user's Decentralized Identifier (DID) information and the information related to the belongings is matched and detected as the verified information, followed by transaction suspension and loss certificate (600) Information is provided to the relevant certification body that can handle administrative tasks, blocking transactions of various belongings, preventing damage that is misused and misused for crime in real time, and can prove stolen/lost belongings with the generated information In order to issue a lost certificate or temporary certificate 600, etc., a private key that can be decoded so as to check the stolen/lost belongings information and read the information is provided to the relevant certification authority 500.

And the certification authority 500 verifies that the user's public key information through the user's Decentralized Identifier (DID) is correct and that the content has not been changed, Provide information to prove that you have the relevant information pertaining to stolen/lost belongings.

Administrative tasks here include issuance of loss certificates and temporary certificates that can prove loss/theft, location information where the loss/theft occurred, information on lost/stolen belongings, contact information, country of issue of the certificate, name of the certification body, certificate serial number and validity Transaction generated by output to a smart contract with at least one condition among the period, name, date of birth, or related information that includes details that can be checked, such as when the scope or use of the lost or temporary certificate is restricted to be done after being approved on the blockchain.

Referring to FIG. 3 in the present invention, the decentralized belongings information management and loss/theft management control system selects one or more information of stolen and lost belongings among belongings stored in the user's smartphone 200, It includes information on the location where the loss occurred, information on lost belongings, contact information for those who acquired it, and password setting information for help requests (theft/lost).

Here, the help request (theft/lost) information selects one or more information of stolen or lost belongings among the belongings stored in the smartphone of the user 200, information to request assistance, location information where the theft or loss occurred, and hash value of lost ID information, contact information, etc.

Here, a private key that can be decoded so that an institution that can handle administrative tasks related to issuance of a lost certificate and temporary certificate 600 that can prove stolen/lost belongings can check the authenticity and read information It is provided to a related institution to issue (610) a lost certificate and a temporary certificate 600 based on the decrypted stolen/lost belongings information so that it can be transmitted to the user's smartphone 200.

Here, the information issued (610) of the certificate of loss and temporary certificate 600 that can prove the request for help (theft and loss) includes the country of issue of the certificate, the name of the certification body, the serial number and validity period of the certificate, name, date of birth, certificate of loss, and When the use range or purpose of the temporary certificate 600 is limited, the transaction generated by output to the smart contract is blocked with at least one condition among the information related to the execution of information data including details that can be checked, such as related matters. A lost certificate and a temporary certificate 600 are issued based on information data so that it can be accurately confirmed as chained information.

In the present invention, the lost certificate and temporary certificate inquiry request is the same information as the provided identification information public key, and the information on the temporary certificate 600 is read or the identifier is clicked on the code or around the lost certificate and temporary certificate 600 with an electronic device camera. By photographing the QR code 610 generated in an appropriate space and image recognition of the photographed image, it is possible to check (246b) related information.

Here, the lost certificate and temporary ID 600 transmitted to the user's smartphone 200 are linked with the output device 800 to provide a service so that the lost certificate and temporary ID 600 of the corresponding applicant are output in printed form. .

Here, the user's smartphone 200 is composed of a smartphone including a setting unit, a display, a transmission unit, a control unit, a photographing unit, an electronic wallet, and a processor.

Here, the smart phone may be composed of a tablet computer, a notebook computer, a personal computer, etc. capable of network communication with the DB server 100 .

Here, the user's smartphone 200 communicates with the DB server 100 to request data information capable of mapping various personal belongings information or to manage the registered various personal belongings information.

Here, the user smartphone 200, which transmits a help request signal with unique identification information to an external electronic device through a communication network in case of theft/lost, is in a defined code system 150 that corresponds 1:1 to the belongings information input key. Accordingly, the user information generated through the input unit for inputting the user information, the belongings information and the belongings-related information input signal to the input window generated through the generation unit that displays the information on the input window for inputting the information of the belongings can be stored. including storage.

And it further includes an information transmitter capable of transmitting the information so that the user information stored in the storage can be stored in the DB server (100).

Here, the unique identification information of the smartphone includes a mobile identification number (hereinafter referred to as MIN or Mobile Subscription Identification Number, below) that can identify the user's smartphone, international mobile device identification information (hereinafter referred to as IMEI), Any one or two or more of mobile communication number information, owner information, country-specific language identification information, and information capable of identifying an electronic device are included.

Referring back to FIG. 4, the database 140 stores and manages smart phone and belongings unique identification information 140a, setting information 140b, and user member information 140c.

Here, the smartphone and belongings unique identification information 140a is a mobile identification number (MIN or MSIN) that can identify the user's smartphone, international mobile device identification information (IMEI), mobile communication number information, owner information and belongings, and the socially disadvantaged (Children, women, intellectually disabled people, elderly people with dementia, etc.) information, dog information, and DID information corresponding to access control, membership, specific class discount tickets, admission tickets, etc. can be mapped 1:1 according to the scope or purpose of use. It is a defined code system with URL/special characters or numbers/interbase containing special functions, and the setting information 140b includes theft/lost information about various belongings, missing information, information disclosure range, disclosure period, retransmission range, theft /Lost and found/missing location information, family and acquaintance contact information, password setting information, etc. are included.

Dog information can also be used as an animal registration system

Here, the user member information 140c includes information on issuance of a loss certificate or temporary certificate that can prove a request for help (theft and loss), ID, password, phone number, member name, date of birth, address, SNS information, theft/loss certificate issuance country Information, the name of the certification authority, validity period, and the scope or purpose of use of the lost or temporary certificate, period of use, theft/lost information, etc. may be included.

In this specification, the electronic device may perform some of the operations or functions described as being performed by the device instead of the electronic device or the DB server 100 connected to the device.

Similarly, some of the operations or functions described as being performed by the DB server 100 may also be performed in an electronic device or device connected to the DB server 100 .

Here, some of the operations or functions described as mapping or matching with the electronic device mean mapping or matching the terminal's unique number or personal belongings identification information, which is the identifying data of the electronic device. may be interpreted as

5 to 6 in the present invention, the user can verify the stolen and lost belongings through the process of generating Decentralized Identifier (DID) through the registration process of belongings information, the process of reporting theft and loss of belongings, etc. Referring back to FIG. 5 in the process of generating a temporary certificate, if the user requests the creation of the belongings information input key based on the identification information of the user's smartphone 200 after the APP is installed, a definition corresponding to the requested related belongings information input key 1:1 An input window for entering information about belongings is generated (220) according to the code system (150).

Then, user information and belongings information are input (221) in the generated input window.

The Decentralized Identifier (DID) value is obtained through the transaction generated so that the public key of the belongings can be matched 1:1 based on the smart contract based on the personal identification information and the personal information entered here. The generated data is block-chained (700) and stored (223), and the DID value is stored (224) in the user's electronic wallet (250).

Here, referring to Figure 6, in the case of theft and loss of belongings containing unique identification information. Select (241) one or more stolen and lost belongings information among the belongings stored in the user's smartphone 200, and further input or preset conditions for generating a help request including stolen and lost location information, lost property information, contact information, etc. Check the information (242).

Then, a password for theft/lost is set (242a), and report information on the stolen and lost belongings generated based on the smart contract is transmitted (243) to the authentication authority 500 .

Here, the certification authority 500 receives the report information on the stolen and lost belongings, and checks the authenticity of whether the received user DID information matches the user information and related belongings information stored in the DB server 100 (244).

Here, after checking whether the information is consistent with the related user 200 information stored in the DB server 100, if the information does not match, a direct call or visit the institution 500 to solve the problem

Here, based on the DID information of the user 200 stored in the DB server 100, information related to stolen/lost belongings is detected and matched with the verified information to handle the administrative tasks of transaction suspension, loss certificate, and temporary certificate 600 issuance. A related certification authority 500 that can be verified provides a private key capable of decoding (decoding) so that the authenticity is verified (244) and the information can be read.

Then, the related certification authority 500 blocks the transaction with the belongings-related information decoded with the private key to prevent the damage that is misused and abused in crime in real time, and the generated information can prove the stolen/lost belongings. The certificate and the temporary certificate 600 are provided (246) to the user 200 with the lost certificate and the temporary certificate 600 generated by the smart contract.

Here, in the issuance (246a) of the certificate of loss and temporary certificate 600 that can prove the stolen/lost belongings, the certificate issuance country, the name of the certification authority 500, the certificate serial number and validity period, name, date of birth, loss certificate and Related information such as the scope of use of the temporary certificate, its purpose, the period of use, and the available area information is generated.

Then, a random number identification code (QR code) is generated according to the defined code system 150 corresponding to the generated information, and the DID information and identification code generated based on the smart contract are checked in the user's smartphone 200. (246b) transmits so that it can.

Here, the information of the lost certificate and the temporary certificate 600 issued to the user is checked (246b) on the user's smartphone 200, and the checked loss certificate and the temporary certificate 600 are linked with the output device 800 in the form of printed matter. output 810 .

Here, when there is a request for inquiry of the public key of belongings, the inquiry request information is information about belongings that a person participating in the blockchain network 300 clicks and confirms, and a transaction is created with a smart contract and the user is contacted with a block chain (700) provide information.

Here, when a Merkle root of belongings is requested by a smart contract, a hash value is calculated from the belongings information stored in a plurality of smart phones, and the calculated hash value is compared with the hash value stored in the DB server 100 to determine whether they are the same is determined, and when it is the same, the Merkle root is calculated from the hash value and the Merkle tree, and the authenticity of the belongings is checked by comparing it with the received Merkle root. do.

As above, by using the block chain 700-based smart contract, when a user steals/losts belongings, the administrative work processing time is reduced simply by providing the stolen/lost related information to the relevant certification authority (company) 500 quickly. It can dramatically reduce administrative waste such as

Also, from the point of view of the user who has applied for civil complaints, he/she checks and proves personal belongings through a distributed ledger (blockchain) that cannot be forged or tampered with based on blockchain technology, and manages the information of his/her own belongings to promptly report the stolen/lost related civil complaint information. It is possible to obtain a lost certificate and temporary ID card online, which can reduce the time and cost required, and improve convenience.

As described above, the present invention has been described with specific matters such as specific components and limited embodiments and drawings, but these are provided to help a more general understanding of the present invention, and the present invention is not limited to the above embodiments. , various modifications and variations are possible from these descriptions by those of ordinary skill in the art to which the present invention pertains.

Methods according to exemplary embodiments of the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer-readable medium.

And the computer-readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the medium may be specially designed and configured for the present invention, or may be known and available to those of ordinary skill in the field of computer software.

Therefore, the spirit of the present invention should not be limited to the described embodiments, and not only the claims to be described later but also all equivalents or modifications to the claims will be said to fall within the scope of the spirit of the present invention.

100: DB server 200: user smartphone
300: Multiple smartphones participating in the blockchain network
400: Decentralized Identifier (DID)
500: Certification authority 600: Lost certificate/temporary certificate
700: Blockchain
800: output device

Claims (12)

In the belongings information management and loss/theft management system based on decentralized identity authentication,
When the belongings information input key is executed, the international mobile device identification number (MIN or MSIN), international mobile device identification information (IMEI), mobile communication number information, etc., which are unique identification information of the smartphone, are automatically generated. a user's smartphone providing a user interface environment to report theft;
a personal blockchain wallet capable of directly controlling and managing personal information and related belongings information with the user's smartphone;
The smartphone executes a program that can generate, register, and manage related information such as smartphone unique identification information generation, NFC tag information, belongings information, and guardian contact information,
The above belongings management program puts information in the user's personal block chain wallet so that the user's personal information and related belongings stored in advance in the DB server can be directly controlled and managed based on the user's smartphone unique identification information, and whenever necessary, decentralized identity authentication ( Decentralized identity authentication, characterized in that it can provide a means and method to manage personal information of personal belongings and report loss/theft by entering a private key (password) through a Decentralized Identifier (DID) Based on belongings information management and loss/theft management system. According to claim 1,
The lost/stolen belongings information is matched with the DB server based on the user's unique Decentralized Identifier (DID) information to detect the verified information and then stop the transaction and perform administrative tasks for the lost certificate Information is provided to the relevant certification authority that can process the information to block transaction of various belongings to prevent damage that is misused or misused for crime in real time. Decentralized identity authentication-based authentication, characterized by providing a private key that can be decoded to check stolen/lost belongings information and to read the information to the relevant certification authority so that certificates, etc. can be issued online Belongings information management and loss/theft management system. 3. The method of claim 2,
The certification authority verifies that the loss/theft report related to the belongings owned by the user is correct and that the contents have not been changed with the user's public key information through the user's Decentralized Identifier (DID) A personal information management and loss/theft management system based on decentralized identity authentication, characterized in that it provides information to prove that you have the relevant information related to your belongings. 3. The method of claim 2,
The administrative tasks include issuance of a loss certificate and temporary certificate that can prove the loss/theft of the belongings, location information where the loss/theft occurred, information on lost/stolen belongings, contact information, the country of issue of the certificate, the name of the certification body, Certificate serial number, validity period, name, date of birth, or at least one of related information including details that can be verified if the scope or use of the lost certificate or temporary certificate is restricted. Belongings information management and loss/theft management system based on decentralized identity authentication, characterized in that the transaction is made after being approved on the block chain. According to claim 1,
The above loss/theft report information is
Select one or more information about stolen or lost belongings among the belongings stored in the user's smartphone, information to request assistance, location information where the theft or loss occurred, information about lost belongings, contact information that the person who acquired it can contact, and request for help Personal key (password) setting information through DID for (theft/lost) information management and loss/theft management system based on decentralized identity authentication, characterized in that it includes. 6. The method according to any one of claims 1 to 5,
The above items are a resident registration card, driver's license, passport, and identification card. Various certificates that can identify the person, such as a public official ID card, membership card, credit card, check card, membership card, welfare card, mobile phone, laptop, key, wallet, bag, or a specific class of discount coupon or admission ticket depending on the scope or purpose of use, etc. Belongings information management and loss/theft management system based on decentralized identity authentication, characterized in that it is one of the belongings. 6. The method according to any one of claims 1 to 5,
The belongings information management and loss/theft management system based on decentralized identity authentication, characterized in that the belongings are one of the belongings that can be possessed (attached) to the socially disadvantaged (children, women, intellectual disabilities, elderly people with dementia, etc.) or dogs . In a method for managing personal information and loss/theft management based on decentralized identity authentication,
After installing the APP, based on the user's smart phone identification information, requesting generation of a personal belongings information input key;
generating an input window capable of inputting belongings information according to a defined code system corresponding to the requested related belongings information input key 1:1;
inputting user information and belongings information in the generated input window;
A Decentralized Identifier (DID) value is generated through a transaction created so that the public key of belongings can be matched 1:1 based on a smart contract based on the entered personal information and user's unique identification information. A method for managing personal belongings information and loss/theft management based on decentralized identity authentication, characterized in that the DID value is stored in the user's electronic wallet by chaining it. 9. The method of claim 8,
After the DID is issued,
When belongings containing unique identification information are stolen or lost.
selecting one or more stolen and lost belongings information among belongings stored in the user's smartphone;
further inputting a condition for generating a help request including the stolen and lost location information, lost property information, contact information, and the like, or confirming preset information;
setting a password for the theft/loss;
A method for managing belongings information and loss/theft management based on decentralized identity authentication, characterized in that the report information on stolen and lost belongings created based on a smart contract is transmitted to a certification authority. 10. The method of claim 9, wherein the certification body is
receiving report information on the stolen and lost belongings; and
checking whether the received user DID information matches user information stored in a DB server and related belongings information;
Based on the user's DID information stored in the DB server, information related to stolen/lost belongings is detected, and the authenticity is checked by a related certification authority that can handle administrative tasks such as transaction suspension, loss certificate, and temporary certificate issuance with matching and verified information and a private key that can be decoded so that the information can be read Loss/theft information management and loss/theft based on decentralized identity authentication, which provides users with a loss certificate and temporary certificate created by a smart contract to prove stolen/lost belongings with information management method. 11. The method of claim 10,
In the issuance of a loss certificate and temporary certificate that can prove stolen/lost belongings,
generating relevant information, such as the country of issue of the certificate, the name of the certification authority, the certificate serial number and validity period, name, date of birth, the scope or purpose of use of the lost certificate and temporary certificate, period of use, and available area information;
generating a random number identification code (QR code) according to a defined code system corresponding to the generated information;
transmitting the DID information and the identification code generated based on the smart contract so that the information can be checked on the user's smartphone;
Loss/theft management of belongings using block chain, characterized in that the information on the lost certificate and temporary certificate issued to the user is checked on the smartphone, and the confirmed loss certificate and temporary certificate are output in the form of printed matter in connection with the output device Way. A computer-readable record in which a computer program is recorded for providing information on belongings management and loss/theft management based on decentralized identity authentication according to any one of claims 1 to 5 or 8 to 11 media.

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