WO2020122403A1 - Procédé de service lié à un animal à base de chaîne de blocs, et dispositif pour réaliser le procédé - Google Patents

Procédé de service lié à un animal à base de chaîne de blocs, et dispositif pour réaliser le procédé Download PDF

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Publication number
WO2020122403A1
WO2020122403A1 PCT/KR2019/013742 KR2019013742W WO2020122403A1 WO 2020122403 A1 WO2020122403 A1 WO 2020122403A1 KR 2019013742 W KR2019013742 W KR 2019013742W WO 2020122403 A1 WO2020122403 A1 WO 2020122403A1
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WIPO (PCT)
Prior art keywords
animal
information
unique information
image
biometric information
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Ceased
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English (en)
Korean (ko)
Inventor
박희근
이근우
염창훈
김주엽
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BlockpetCo ltd
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BlockpetCo ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/30—Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/36—Payment architectures, schemes or protocols characterised by the use of specific devices or networks using electronic wallets or electronic money safes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees

Definitions

  • the present invention relates to an animal-related service method based on a blockchain and an apparatus for performing the method. More specifically, it relates to a service method and apparatus for providing animal-related services on a blockchain basis so that animal-related services (for example, companion animal-related services) are more transparently provided.
  • animal-related services for example, companion animal-related services
  • the blockchain may be a digital ledger in which transaction information generated in a public network or a private network is encrypted and shared between members of the network.
  • a copy of the ledger of the transaction is distributed to each network member, and whenever a new transaction occurs, the authentication process for the transaction can be performed through the consent of the members.
  • Transparent transactions through a distributed ledger system can reduce security, supervision and regulatory costs.
  • Blockchain technology can be applied not only to the financial field, but also to logistics, distribution, and even government public administration services.
  • the present invention aims to solve all the above-mentioned problems.
  • the present invention aims to provide animal-related services through authentication of animals and humans based on a blockchain.
  • Another object of the present invention is to create a wallet based on the biometric information of an animal using a blockchain and to prevent stealing of digital assets by others based on the biometric information.
  • an animal-related service method based on a blockchain comprises: a blockchain network receiving a reference animal biometric information image and a reference user biometric information image, and the blockchain network is based on a reference animal biometric information image and a reference And generating a reference integrated unique information based on the user biometric information image and storing it on a block, and generating a public key and a private key of the digital asset wallet where the blockchain network matches the reference integrated unique information.
  • the animal-related market can be operated more transparently by providing animal-related services through authentication of animals and humans based on a blockchain.
  • a wallet can be generated based on the biometric information of the animal using a blockchain, and stealing of digital assets by others based on the biometric information can be prevented.
  • FIG. 1 is a conceptual diagram showing a process of binarizing animal biometric information according to an embodiment of the present invention.
  • FIG. 2 is a conceptual diagram illustrating a digital asset wallet generating method based on an animal biometric information image according to an embodiment of the present invention.
  • FIG. 3 is a conceptual diagram illustrating a method of generating a digital asset wallet based on biometric information according to an embodiment of the present invention.
  • FIG. 4 is a flowchart illustrating a method of generating a digital asset wallet according to an embodiment of the present invention.
  • FIG. 5 is a conceptual diagram illustrating a method of extracting animal-specific information based on an animal biometric information image according to an embodiment of the present invention and matching it with a private key.
  • FIG. 6 is a conceptual diagram illustrating a method of extracting user-specific information based on a user biometric information image and matching a private key according to an embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating a method for generating a transaction based on digital asset wallet generation according to an embodiment of the present invention.
  • FIG. 8 is a conceptual diagram showing an animal service system on a blockchain according to an embodiment of the present invention.
  • FIG. 9 is a conceptual diagram showing a method of preventing duplicate registration of animals according to an embodiment of the present invention.
  • the digital asset disclosed in the embodiment of the present invention may be used as a meaning including a blockchain-based asset such as cryptocurrency or virtual currency.
  • animals may include companion animals such as dogs and cats, as well as animals managed by humans.
  • a digital asset wallet based on biometric information of an animal may be generated.
  • animal information is registered and managed by converting biometric information image data of a companion animal, such as a companion dog or a cat, to a specific value by converting biometric information image data captured by a user device (for example, a portable communication terminal).
  • a user device for example, a portable communication terminal.
  • a unique key for can be generated.
  • the animal biometric information image photographed upon registration and/or authentication of the animal is converted to black and white, and accuracy of animal biometric information recognition may be increased through image preprocessing such as simplification, removal, and correction.
  • the recognition rate of animal biometric information may be increased by reflecting the collection and consistency of repeated data.
  • a sub-regional bio-information image may be generated by determining a central partial region in which the characteristics of wrinkles are most pronounced among inscription regions, which are animal bio-information, and dividing n into specific shapes.
  • An animal unique key corresponding to the animal may be generated by binarizing the separated sub-animal biometric information image.
  • Authentication may be performed by matching the animal unique key of the animal biometric information image with the key value of the generated digital asset wallet.
  • Image pre-processing may be performed through the following method.
  • the photographed image has a lot of noise due to the shooting conditions, photographing equipment, and the like.
  • it is generally necessary to perform preprocessing in various processes.
  • Recognition of animal biometric information also needs to process the image in such a way that it is easy to find the necessary information by removing the noise and reducing the amount of data.
  • Smoothing is a process that makes the graph smooth, minimizing the influence of the speckle_noice generated from the hardware. However, if the input image is good, it may be omitted.
  • Binarization is a process that makes data of 256 gray levels 0 (black) or 1 (white), and the ridges are black and the goals are white.
  • Thinning is the process of creating a linear image with a ridge width of 1 pixel from a binary image.
  • FIG. 1 is a conceptual diagram showing a process of binarizing animal biometric information according to an embodiment of the present invention.
  • FIG. 1 a binarization method for generating an animal unique key for animal biometric information through photographing of animal biometric information is disclosed.
  • an animal biometric information image may be generated by photographing animal biometric information (for example, an inscription) (step S100).
  • the primary brightness control may be performed through black and white conversion of the captured animal biometric information image (step S110).
  • the second brightness adjustment may be performed through the pixel switching of the primary brightness adjusted animal biometric information image (step S120).
  • a binary conversion for the second biometrically adjusted animal biometric information image may be performed (step S130). Specifically, a binary conversion may be performed from a second biometrically adjusted animal biometric information image to white '0' and black '1'. In this way, an inscription image of an animal (eg, a dog) can be represented as binarization data.
  • FIG. 2 is a conceptual diagram illustrating a digital asset wallet generating method based on an animal biometric information image according to an embodiment of the present invention.
  • a central region (or an identification center region 200) having the most distinct characteristics of wrinkles among inscription images that are animal biometric information images is determined, and the identification center region 200 is identified with a specific shape (eg, a square).
  • n equalization eg, 12 equal parts
  • the 12-half portion shown in FIG. 2 may use a division other than the 12-half as an example, and the division method is also included in the scope of the present invention.
  • the lower biometric information image 220 separated into a plurality may be binarized to determine animal-specific information (or animal-specific key) corresponding to the biometric information.
  • the public and private keys of the digital asset wallet may be generated based on the animal-specific information, or the public and private keys of the digital asset wallet may be determined by matching the animal-specific information.
  • the animal-specific information generated based on the plurality of lower biometric information images 220 may be used for the creation of a digital asset wallet that records digital assets and authentication of a user (or companion animal).
  • animal biometric information an inscription image (or seed data based on inscription image for digital asset wallet generation, words based on animal specific information or seed data) and a private key generated based on the inscription image It can be stored and used in the user device.
  • an inscription image of an animal is captured, and if the seed data based on the current captured image is compared with the seed data based on the stored inscription image, it is determined as the same user and information on the private key is determined.
  • Transactions may be provided and based on digital asset wallets.
  • a word determined based on the current inscription image is compared with a word based on the inscription image pre-stored in the user's device to match, information on the private key is determined by the same user, and a transaction based on the digital asset wallet may be possible. have.
  • FIG. 3 is a conceptual diagram illustrating a method of generating a digital asset wallet based on biometric information according to an embodiment of the present invention.
  • user biometric information eg, a fingerprint
  • user device or a portable communication terminal
  • user biometric information is converted into specific information to convert a user
  • a user-specific key for registration and management can be generated.
  • the user biometric image photographed similar to the processing of the animal biometric image is converted to black and white, and accuracy of recognition of the user biometric image can be improved through image preprocessing such as simplification, removal, and correction, and through repeated shooting Through analysis of the collected data, the recognition rate may be improved by reflecting the correspondence of the user biometric information image.
  • the user specific information (or the user unique key) may be generated through binarization of the biometric information image of the user. As illustrated in FIG. 3, a wrinkle may be formed from a binary image into a dot line image that is a pixel, and binarization may be performed on a user biometric information image.
  • the user-specific information is utilized as seed information for generating the public and private keys of the digital asset wallet, such as BIP39, so that the digital asset wallet can be generated.
  • the fingerprint image of the user (or fingerprint image-based seed data for generating a digital asset wallet, a user-specific key or a word based on the seed data) and a private key generated based on the fingerprint image may be stored in the user's user device.
  • an image of the user's fingerprint is captured, and the seed data (or user's unique key) based on the currently captured image is compared with the stored fingerprint image based seed data (or user's unique information) to match and match. Judging by the user, the information on the private key is provided, so it can be used for the digital asset wallet. Alternatively, if the words determined based on the current fingerprint image and the words based on the fingerprint image previously stored in the user device are matched and matched, information on the private key is determined as the same user, so that the digital asset wallet can be utilized.
  • the private key/public key of the digital asset wallet may be generated based on at least one unique information of animal-specific information using the animal biometric information image disclosed in FIGS. 2 and 3 and user-specific information using the user biometric information image. .
  • the private key/public key of the digital asset wallet may be matched with at least one unique information of animal-specific information using the animal biometric information image disclosed in FIGS. 2 and 3 and user-specific information using the user biometric information image.
  • FIG. 4 is a flowchart illustrating a method of generating a digital asset wallet according to an embodiment of the present invention.
  • the digital asset wallet may be a dual authentication digital asset wallet that performs first authentication through animal-specific information based on the animal biometric image and second authentication through user-specific information based on the user biometric image.
  • a blockchain-based animal service dapp is executed (step S400).
  • the user device may receive the blockchain-based animal service dapp from the blockchain-based animal-related service server and drive the blockchain-based animal service dapp.
  • Information on animal basic information can be registered through the blockchain-based animal service d-app.
  • Biometric information of the repeatedly photographed animal is input (step S420).
  • multiple imaging of the inscription of the animal may be performed.
  • a plurality of imaging generates animal biometric information images from multiple angles, thereby enabling more accurate recognition of the biometric information of the animal.
  • Multiple imaging may include video recording.
  • the direction of the image may be corrected based on a specific reference point (for example, the position of the nostril of the animal) when imaging the biometric information of the animal to generate an animal biometric information image.
  • the recognition rate may not be increased and the recognition rate may be improved.
  • Recognition of animal bio-information may be performed using additional indicators as well as indicators (eg, inscriptions).
  • indicators eg, inscriptions
  • the shape of the face, the color of the hair, and a specific pattern may be used as auxiliary indicators and used for animal recognition.
  • Image analysis of the animal biometric information image is performed (step S430).
  • the analysis of the image pattern on the animal biometric information image may be performed by applying an image binarization algorithm.
  • Animal-specific information based on image analysis of the animal biometric information image is extracted (step S440).
  • the animal-specific information may be at least one of an inscription image, an inscription image-based seed data for generating a digital asset wallet, and a seed data-based word.
  • the extracted animal-specific information may be stored in the local storage of the user device.
  • the first private key and/or the first public key corresponding to the digital asset wallet is generated based on the extracted animal unique information, or the animal specific information and the first private key and/or the first public key are matched (step S450). .
  • the animal-specific information based on the animal biometric information image and the first private key and/or the first public key of the digital asset wallet may be matched.
  • the first authentication procedure may be performed through the animal-specific information and the first private key and/or the first public key of the digital asset wallet.
  • the user information registration screen is output (step S460).
  • Repeated shooting of the user's biometric information may be performed (step S470).
  • the user biometric information may be fingerprint information, and a plurality of photographing (or video photographing) of fingerprint information may be performed. Multiple imaging may generate a user biometric information image from multiple angles, thereby enabling more accurate recognition of the user biometric information. Multiple imaging may include video recording. Thereafter, even when a user biometric image captured from various angles is input for authentication after the creation of the digital asset wallet, the recognition error may not occur and the recognition rate may be improved.
  • Image analysis is performed on the user biometric information image (step S480).
  • Binary separation image information based on the user image may be generated based on the binarization algorithm for the user image (eg, fingerprint) for image analysis of the user biometric information image.
  • User specific information based on the user biometric information image is extracted (step S490).
  • the user-specific information may be at least one of a fingerprint image, seed data based on the fingerprint image for generating a digital asset wallet, and words based on the seed data.
  • the extracted user-specific information may be stored in the local storage of the user device.
  • a second private key and/or a second public key is generated based on the extracted user-specific information, and the user-specific information and the second private key and/or the second public key are matched (step S495).
  • the user-specific information based on the user biometric image and the second private key and/or the second public key of the digital asset wallet may be matched, and the user-specific information and the second private of the digital asset wallet
  • the second authentication procedure may be performed through the key and/or the second public key.
  • a digital asset wallet capable of storing digital assets capable of two-factor authentication (inscription and fingerprint) can be generated.
  • This authentication procedure may be performed separately for each of the inscription and the fingerprint, and such an embodiment is also included in the scope of the present invention.
  • FIG. 5 is a conceptual diagram illustrating a method of extracting animal-specific information based on an animal biometric information image according to an embodiment of the present invention and matching it with a private key.
  • FIG. 6 is a conceptual diagram illustrating a method of extracting user-specific information based on a user biometric information image and matching a private key according to an embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating a method for generating a transaction based on digital asset wallet generation according to an embodiment of the present invention.
  • a blockchain-based animal service d-app (or a separate blockchain-based digital asset d-app) is executed (step S700).
  • a blockchain-based digital virtual currency transaction screen is output (step S710).
  • Information for the transmission of digital assets may include information on a recipient blockchain address that receives digital assets, and the type and quantity of digital assets being transmitted.
  • the first authentication is an authentication based on animal biometric information, and may be performed based on an animal biometric information image obtained by capturing animal biometric information.
  • Secondary authentication is authentication based on user biometric information and may be performed based on a user biometric information image capturing user biometric information.
  • the digital asset is transmitted to the sender terminal, and transaction information related to the blockchain digital asset transaction can be authenticated and recorded on the blockchain (step S750).
  • one unique information is generated based on animal biometric information and user biometric information, and the generated unique information (or unique key) and the private key and public key of the digital asset wallet Disclosed is a matching method.
  • FIG. 8 is a conceptual diagram showing an animal service system on a blockchain according to an embodiment of the present invention.
  • a reference animal biometric information image and a reference user biometric information image may be generated for registration of animals and users.
  • a reference integrated unique information (or reference integrated unique key) 800 may be generated based on the animal unique information generated based on the reference animal biometric information image and the user unique information generated based on the reference user biometric information image.
  • the reference integrated unique key 800 may include animal-specific information and user-specific information.
  • the reference integrated unique information 800 is stored on the block and can be compared with input integrated biological information generated based on input animal biometric image information and input user biological image based on a smart contract.
  • authentication is successful and a transaction can be generated by signing the stored private key matched with the reference integrated unique information 800 on the user device.
  • the reference integrated unique information 800 may be plural. For example, a plurality of reference integrated unique information 800 may be generated based on each of a plurality of animal biometric information images and a plurality of user biometric information images captured in various imaging environments. In addition, the input integrated unique information that is successfully authenticated through comparison with the reference integrated unique information 800 may be used as the reference integrated unique information 800 and then compared with the input integrated unique information.
  • a private key and a public key for a digital asset wallet corresponding to the reference integrated unique information 800 are generated.
  • the private key may be stored in the user device, and the public key may be stored in a separate storage space (eg, RAM table) 850.
  • the input integrated unique information is generated based on the input animal biometric information image and the input user biometric information image, and the similarity between the input integrated unique information and the reference integrated unique information 800 is greater than or equal to a threshold, based on the input integrated unique information
  • the authentication is successful, and a sign for the transaction can be performed based on the private key stored in the user device matching the reference integrated unique information 800.
  • the input-integrated unique information that has been successfully authenticated is utilized as the reference-integrated unique information 800 to increase the recognition rate of the image in the authentication process based on the input animal biometric information image and the input user biometric information image.
  • the information about the reference integrated unique information 800 is stored on the block, and the matching public key, the block location of the reference integrated unique information 800, and the transaction for the transaction including the information on the reference integrated unique information 800 Information may be stored in a separate storage space (eg, RAM table) 850.
  • a separate storage space eg, RAM table
  • the following operation may be performed in order for the user to use the animal's reward when paying at the animal related service marketplace. .
  • an authentication process may be performed to check whether the registered animal and the registered user of the registered animal are correct in order to proceed with payment as a reward.
  • the input user biometric information image and the input animal biometric information image may be transmitted through the user device, and input integrated unique information based on the input user biometric information image and the input animal biometric information image may be generated.
  • the transaction can be signed based on the private key stored in the user device matching the reference integrated unique information.
  • the input integration unique information and the previously registered reference integrated unique information 800 are matched with the reference integrated unique information 800 or more than a threshold ratio, it may be determined that authentication is successful. As described above, the input-integration-specific information that succeeds in authentication can be used as the reference-integration-specific information 800 afterwards, thereby improving recognition power.
  • the location of the block related to the unique information used as the reference integrated unique information 800, transaction information, and related public key may be stored in a separate storage space such as the RAM table 850.
  • FIG. 9 is a conceptual diagram showing a method of preventing duplicate registration of animals according to an embodiment of the present invention.
  • FIG. 9 a method for solving a problem that may occur when an animal is repeatedly registered or an authority for an animal is transferred, such as when an animal is lost or adopted, is disclosed.
  • a matching public key is searched based on an animal biometric information image and/or a user biometric information image, and search for a block and a transaction in which standard integrated unique information is recorded based on the matched public key Can proceed.
  • registration of the new animal biometric information image and/or the user biometric information image may proceed as described in FIG. 8.
  • a push message may be sent to the user device of the corresponding existing registered user to request permission for the new registered user to proceed with the new registration of the animal biometric information image.
  • a new standard unique integration key is generated based on the animal biometric information image and the new registered user's user biometric information image, and the existing standard unique integrated information related to the existing registered user can be discarded.
  • the private key and the public key of the digital asset wallet matching the new standard unique integration information are newly generated, and only a new registered user can generate a transaction related to an adopted or authorized animal as described above in FIG. 8.
  • existing registered users can no longer create transactions related to adopted or delegated animals.
  • the embodiments according to the present invention described above may be implemented in the form of program instructions that can be executed through various computer components and can be recorded in a computer-readable recording medium.
  • the computer-readable recording medium may include program instructions, data files, data structures, or the like alone or in combination.
  • the program instructions recorded on the computer-readable recording medium may be specially designed and configured for the present invention or may be known and usable by those skilled in the computer software field.
  • Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical recording media such as CD-ROMs and DVDs, and magneto-optical media such as floptical disks. medium), and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like.
  • Examples of program instructions include not only machine language codes produced by a compiler, but also high-level language codes executable by a computer using an interpreter or the like.
  • the hardware device can be changed into one or more software modules to perform the processing according to the present invention, and vice versa.

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Abstract

La présente invention concerne un procédé de service lié à un animal à base de chaîne de blocs, et un dispositif pour réaliser le procédé. Le procédé de service lié à un animal, à base de chaîne de blocs peut comprendre les étapes suivantes qui consistent à : permettre à un réseau de chaînes de blocs de recevoir une image d'informations biométriques d'un animal de référence et une image d'informations biométriques d'un utilisateur de référence ; permettre au réseau de chaînes de blocs de générer des informations d'intégration de référence uniques sur la base de l'image d'informations biométriques d'un animal de référence et de l'image d'informations biométriques d'un utilisateur de référence et stocker les informations uniques d'intégration de référence dans un bloc ; et permettre au réseau de chaînes de blocs de générer une clef publique et une clef privée d'un portefeuille numérique d'actifs qui correspond aux informations uniques d'intégration de référence.
PCT/KR2019/013742 2018-12-12 2019-10-18 Procédé de service lié à un animal à base de chaîne de blocs, et dispositif pour réaliser le procédé Ceased WO2020122403A1 (fr)

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KR101984758B1 (ko) * 2018-12-12 2019-05-31 주식회사 블록펫 블록체인을 기반으로 동물 관련 서비스 방법 및 이러한 방법을 수행하는 장치
KR102186174B1 (ko) * 2019-07-24 2020-12-03 이대화 반려동물 진료기록 공유 시스템
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KR102304691B1 (ko) * 2019-10-04 2021-09-24 제이엠스마트 주식회사 블록체인 기반 반려동물 관리시스템 및 그것을 이용한 관리방법
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