WO2019153417A1

WO2019153417A1 - Paper artwork traceability and anti-counterfeiting method and system based on blockchain

Info

Publication number: WO2019153417A1
Application number: PCT/CN2018/078889
Authority: WO
Inventors: 邱兵; 何立宝; 车克达; 周文硕
Original assignee: 深圳市优权天成科技有限公司
Priority date: 2018-02-09
Filing date: 2018-03-13
Publication date: 2019-08-15
Also published as: CN108460605B; CN108460605A

Abstract

The present application discloses a paper artwork traceability and anti-counterfeiting method and system based on a blockchain. The method comprises: generating an external blockchain account of an artist by using a personal public-private key pair of the artist, and creating, on the blockchain, an artist smart contract comprising an external blockchain account address, a public key of the personal public-private key pair, and personal information of the artist; storing, in a readable region of an NFC chip, artwork information and the external blockchain account address of the artist, storing, in an unreadable region of the NFC chip, a private key of the personal public-private key pair, and locking the NFC chip in a readable mode; and creating, on the blockchain, an artwork smart contract of the artwork comprising the artwork information, the external blockchain account address, and ID information of the NFC chip, wherein the artwork information comprises: a work name, the artist, a price, and an owner. The present application achieves highly credible traceability for paper artwork, ensures that the paper artwork is authentic and cannot be falsified, and realizes an anti-counterfeiting function.

Description

Method and system for traceability anti-counterfeiting of paper art based on blockchain

[0001] The present application is based on a Chinese patent application filed on Jan. 29, 2018, the entire disclosure of which is hereby incorporated by reference.

Technical Field

[0003] The present application relates to the field of blockchain technology, and in particular, to a source-based anti-counterfeiting method and system for paper art based on a blockchain.

BACKGROUND OF THE INVENTION

[0005] At present, the anti-counterfeiting and traceability of the paper art industry mainly rely on expert identification, X-ray paper analysis, and centralized server feature matching. However, expert identification is heavily dependent on experts' level and unstable state; X-ray Paper analysis has problems such as fraudulent use of ancient paper and artificial doping. The method of matching the characteristics of centralized servers has the problem of relying heavily on the credibility of the center. The internal control is very difficult.

[0006] Therefore, how to achieve the strong credibility of paper art, traceability, real untamedness and anti-counterfeiting are technical problems that we need to solve.

[0007] Application Content

[0008] The technical problem to be solved by the present application is to provide a method and system for traceability and anti-counterfeiting of a paper art based on blockchain which can realize the strong credibility of paper art, traceability, authenticity and anti-counterfeiting.

[0009] In order to solve the above technical problem, the present application adopts the following technical solutions:

[0010] In one aspect, the present application provides a traceability anti-counterfeiting method for a paper art based on a blockchain, the method comprising:

[0011] using the artist's personal public-private key pair to generate an artist's blockchain external account, creating an artist intelligence on the blockchain including the blockchain external account address, the public key in the individual public-private key pair, and the artist's personal information. Contract

[0012] storing the artwork information and the artist's blockchain external account address in a readable area of the NFC chip on the artwork paper, storing the private key of the artist's personal public-private key pair on the NFC chip Unreadable area, and locking the NFC chip into a readable mode; creating the artwork on the blockchain including the artwork Artwork smart contract for information, blockchain external account address, artwork information, and ID information of the NFC chip; wherein the artwork information includes: title of the work, artist, price, and owner.

[0013] wherein the creating an artist smart contract including the blockchain external account address, the public key in the personal public-private key pair, and the artist personal information on the blockchain includes:

[0014] transmitting the artist's blockchain external account address, public key, and artist personal information to a trusted third party; transmitting a request to create an artist smart contract through the trusted third direction blockchain, and simultaneously placing the artist's block Chain external account information, public key and artist personal information are uploaded to the blockchain;

[0015] The blockchain creates an artist smart contract containing the artist's blockchain external account information, the public key, and the artist's personal information in accordance with the request to create an artist smart contract.

[0016] wherein, the artwork smart contract including the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip that creates the artwork on the blockchain includes:

[0017] transmitting a request for creating an artwork smart contract to the blockchain, and uploading the artwork information of the artwork, the blockchain external account address corresponding to the artist, and the ID information of the NFC chip to the blockchain;

[0018] the blockchain creates the artwork information of the artwork including the artwork, the artwork corresponding to the artist's blockchain external account address, and the ID information of the NFC chip according to the request for creating the artwork smart contract Art smart contract.

[0019] wherein the method further includes a artwork verification step, the artwork verification step comprising:

[0020] reading a blockchain external account address of the NFC chip on the artwork paper base; obtaining a corresponding artist's public key from the blockchain according to the blockchain external account address;

[0021] generating a random number locally, encrypting the random number using the public key, and transmitting a decryption request including the encrypted random number to an NFC chip;

[0022] the NFC chip decrypts the encrypted random number using a private key, and returns the decrypted data;

[0023] verifying whether the decrypted data returned by the NFC chip matches the locally generated random number, and if the matching is successful, the verification succeeds; if not, the verification fails.

[0024] wherein the artwork paper base comprises a base paper, a top layer paper and a plurality of NFC chips, the plurality of NF C chips are arranged on the base paper, and the top paper covers the NFC chip. Above

[0025] wherein the artwork information further includes an arrangement pattern of the plurality of NFC chips on the base paper [0026] The method further includes an artwork transaction step, and the artwork transaction step specifically includes:

[0027] receiving a transaction request sent by the purchaser including the blockchain external account address and the uploaded prepaid fee;

[0028] determining whether the purchaser account balance is greater than the price of the artwork corresponding to the blockchain external account address, and if not, the transaction request fails; if yes, freezing the purchaser's prepayment fee, and recording the transaction request ;

Receiving an order for agreeing to the transaction request sent by the owner of the artwork, transferring the prepaid payment of the buyer to the account of the current owner of the artwork, and changing the owner of the artwork to the buyer .

[0030] wherein, the method further comprises: monitoring and recording a transaction event of the artwork, wherein the transaction event includes transaction information, transfer information, and logistics information.

[0031] In another aspect, the present application provides a traceability anti-counterfeiting system for a paper art based on a blockchain, the traceable anti-counterfeiting system comprising:

[0032] a terminal-based account generation system for generating an artist's blockchain external account using an artist's personal public-private key pair;

[0033] an NFC chip-based read/write system for storing artwork information and an artist's blockchain external account address in a readable area of an NFC chip on an art paper base, centering the artist's personal public and private key The private key is stored in an unreadable area of the NFC chip and locks the NFC chip into a readable mode;

[0034] a blockchain-based smart contract creation system for creating an artist smart contract on the blockchain including the blockchain external account address, the public key in the personal public-private key pair, and the artist personal information; An artwork smart contract for creating the artwork including the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip on the blockchain; wherein the artwork information includes: a work name, an artist , price and owner.

[0035] wherein the terminal-based account generation system is further configured to: send the artist's blockchain external account address, the public key, and the artist personal information to the trusted third party;

[0036] The blockchain-based smart contract creation system is configured to: receive a request for creating an artist smart contract sent by a trusted third direction blockchain, and blockchain external account information of an artist uploaded by a trusted third party; , public key and artist personal information; create an artist smart contract containing the artist's blockchain external account information, public key and artist personal information according to the request to create an artist smart contract.

[0037] The traceability anti-counterfeiting system further includes: [0038] a terminal-based information acquisition system, configured to scan artwork information of the artwork of the NFC chip on the art paper base, the blockchain external account address of the corresponding artist, and the ID information of the NFC chip, to the block The chain sends a request to create an artwork smart contract, and uploads the artwork information of the artwork, the block account external account address of the corresponding artist, and the ID information of the NFC chip to the blockchain;

[0039] The blockchain-based smart contract creation system is configured to: create, according to the request for creating an artwork smart contract, artwork information of the artwork that includes the artwork, and the artwork corresponds to an artist's blockchain Artwork smart contract for external account address, and ID information for NFC chips.

[0040] The traceability anti-counterfeiting system further includes: a terminal-based verification system, configured to acquire a blockchain external account address in the artwork smart contract, and obtain the block-chain external account address according to the blockchain external account address Corresponding to the public key in the artist's smart contract; verifying the artwork with the public key in the artist's smart contract and the private key in the NFC chip on the artwork paper.

[0041] wherein the terminal-based verification system is specifically configured to:

[0042] reading a blockchain external account address of the NFC chip on the artwork paper base; obtaining a corresponding artist's public key from the blockchain according to the blockchain external account address;

[0043] generating a random number locally, encrypting the random number using the public key, and transmitting a decryption request including the encrypted random number to the NFC chip;

[0044] receiving, by the NFC chip, the decrypted data after decrypting the encrypted random number by using a private key;

[0045] verifying whether the decrypted data returned by the NFC chip matches the locally generated random number, and if the matching is successful, the verification succeeds; if not, the verification fails.

[0046] wherein the traceability anti-counterfeiting system further comprises a blockchain-based art transaction system, configured to:

[0047] receiving a transaction request sent by the purchaser including the blockchain external account address and the uploaded prepaid fee;

[0048] determining whether the purchaser account balance is greater than the price of the artwork corresponding to the blockchain external account address, and if not, the transaction request fails; if yes, freezing the purchaser's prepayment fee, and recording the transaction request ;

Receiving an order for agreeing to the transaction request sent by the owner of the artwork, transferring the prepaid fee of the buyer to the account of the current owner of the artwork, and changing the owner of the artwork to the buyer .

[0050] The traceability anti-counterfeiting system further includes: a server-based monitoring system, configured to monitor and record a transaction event of the artwork, wherein the transaction event includes transaction information, transfer information, and logistics information. [0051] Compared with the prior art, the beneficial effects of the present application are as follows: The traceability anti-counterfeiting method based on the blockchain-based paper art provided by the present application discloses the artist and the artwork through the blockchain, and the artist's own The credibility of the credibility is transparent, and the NFC chip is embedded in the art paper base, which ensures the integration of the physical and digital entities of the artwork, facilitates the verification of the authenticity of the artwork, and solves the problem that the art appraisal relies on the expert level and relies on the credibility of the central server. The problem has reached the goal of making the paper art have strong credibility, traceability, real tampering and anti-counterfeiting.

BRIEF DESCRIPTION OF THE DRAWINGS

[0053] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments of the present application will be briefly described. It is obvious that the drawings in the following description are only the present application. For some embodiments, other drawings may be obtained according to the content of the embodiments of the present application and the drawings without any creative work.

1 is a flow chart of a method for an embodiment of a traceability anti-counterfeiting method based on blockchain-based paper art provided in an embodiment of the present application.

2 is a flow chart of a method of an embodiment of a artwork verification step provided in an embodiment of the present application.

3 is a flow chart of a method of an embodiment of a artwork transaction step provided in a specific embodiment of the present application.

4 is a structural block diagram of an embodiment of a traceability anti-counterfeiting system based on blockchain-based paper art provided in an embodiment of the present application.

DETAILED DESCRIPTION

The technical solutions of the embodiments of the present application are further described in detail below with reference to the accompanying drawings. It is a partial embodiment of the present application, and not all of the embodiments. All other embodiments obtained by a person skilled in the art based on the embodiments in the present application without creative efforts are within the scope of the present application.

[0060] A method for traceability and anti-counterfeiting based on blockchain-based paper art provided by the embodiment of the present application is further described in detail below with reference to FIGS. Please refer to FIG. 1 , which is a flowchart of a method for a first embodiment of a traceability anti-counterfeiting method based on blockchain-based paper art provided in a specific embodiment of the present application. Such as As shown in FIG. 1, in this embodiment, the traceability anti-counterfeiting method includes:

[0061] Step S101: Generate an artist's blockchain external account by using the artist's personal public-private key pair, and create a block-chain external account address, a public key in the personal public-private key pair, and artist personal information on the blockchain. Artist smart contract.

[0062] In some embodiments, the creating an artist smart contract including the blockchain external account address, the public key in the personal public-private key pair, and the artist personal information on the blockchain includes steps A1~A2, specifically as follows:

[0063] Step A1: transmitting the artist's blockchain external account address, public key, and artist personal information to a trusted third party; transmitting a request to create an artist smart contract through the trusted third direction blockchain, and simultaneously placing the artist The blockchain external account information, public key and artist personal information are uploaded to the blockchain.

[0064] Step A2: The blockchain creates an artist smart contract containing the artist's blockchain external account information, the public key, and the artist's personal information in accordance with the request to create an artist smart contract.

[0065] The artist generates a public-private key pair locally, generates a corresponding blockchain external account through the public-private key pair, and uploads the blockchain external account address, the public key and the personal information in the public-private key pair to the trusted third party. The trusted third party invokes a unified smart contract interface, that is, sends a request to create an artist smart contract to the blockchain, and uploads the artist's blockchain external account information, public key, and artist personal information into the blockchain. The blockchain receives the request to create an artist smart contract, creates an artist smart contract that creates the blockchain external account information, the public key, and the artist's personal information, so that the artist's information is stored in each node of the blockchain. Other users can obtain the artist's blockchain external account information, public key and artist personal information.

[0066] Step S102: storing the artwork information and the artist's blockchain external account address in the readable area of the NFC chip on the artwork paper base, and storing the private key of the artist's personal public-private key pair in the An unreadable area of the NFC chip, and locking the NFC chip into a readable mode; creating the artwork on the blockchain including the artwork information, the blockchain external account address, the artwork information, and the NFC chip An art smart contract for ID information; wherein the artwork information includes: a work name, an artist, a price, and an owner.

[0067] In this embodiment, the art paper base is a paper base provided with a NFC (Near Field Communication) chip, and the preparation process thereof may be: making a base paper; according to certain rules Arrange the NFC chip on the base paper; cover the top paper. Each NFC chip is not replicable, and the ID information of each NFC chip is unique. After storing the artwork information, the blockchain external account address and the private key in the N FC chip, the NFC chip is permanently locked into the readable mode, so that the NFC chip can no longer be written to prevent the tampering of the NFC chip information. And the private key is stored in the unreadable area of the NFC chip, and the private key cannot be obtained from the NFC chip, thereby ensuring the security of the private key. In this embodiment, the NFC chip is passively powered.

[0068] As a preferred embodiment, the artwork paper base comprises a base paper, a top paper and a plurality of NFC chips, the plurality of NFC chips being arranged on the base paper, the top paper covering the NFC Above the chip. The artwork information further includes an arrangement pattern of the plurality of NFC chips on the base paper, and the arrangement patterns of the plurality of NFC chips on the base paper may be straight lines, triangles, squares, diamonds, stars. Shape, etc., uploading the layout pattern of the NFC chip on the base paper to the blockchain, can prevent the counterfeiters from intercepting the genuine sales of some works of art, and further plays the role of anti-counterfeiting.

[0069] In some embodiments, the artwork smart contract including the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip is created on the blockchain. Including steps B 1~B2, as follows:

[0070] Step B1: sending a request for creating an artwork smart contract to the blockchain, and uploading the artwork information of the artwork, the blockchain external account address of the corresponding artist, and the ID information of the NFC chip to the blockchain

[0071] Step B2: The blockchain creates the artwork information of the artwork including the artwork according to the request for creating the artwork smart contract, the artwork corresponding to the artist's blockchain external account address, and the NFC chip. Artwork smart contract for ID information.

[0072] The artist invokes the smart contract interface through the terminal, that is, sends a request to create a smart contract for the artwork to the blockchain, and the blockchain receives the request to create the smart contract for the artwork, and creates an art containing the artwork to create the artwork. Product information, the artwork corresponds to the artist's blockchain external account address, and the NFC chip's ID information for the artwork smart contract. In this way, other users can obtain the artistic contract of the artwork from the blockchain, and know the information of the artwork, including the name of the artwork, the artist, the price, the owner, and the introduction of the art.

[0073] In some embodiments, the traceability anti-counterfeiting method further includes an artwork verification step, please refer to FIG. 2 for the art. The product verification step includes steps S201 to S204, which are as follows:

[0074] Step S201: reading a blockchain external account address of the NFC chip on the artwork paper base; and obtaining a corresponding artist's public key from the blockchain according to the blockchain external account address.

[0075] Step S202: Generate a random number locally, encrypt the random number by using the public key, and send a decryption request including the encrypted random number to the NFC chip.

[0076] Step S203: The NFC chip decrypts the encrypted random number by using a private key, and returns the decrypted data.

[0077] Step S204: Verify whether the decrypted data returned by the NFC chip matches the locally generated random number. If the matching is successful, the verification succeeds; if not, the verification fails.

[0078] The user can obtain the blockchain external account address of the artist stored in the NFC chip by scanning the NFC chip, and find the corresponding artist smart contract from the blockchain through the block chain external account address, thereby obtaining the artist smart contract. The public key in the middle, then generate a random number locally, encrypt the random number with the public key, and send the encrypted random number to the NFC chip, request the NFC chip to decrypt, and the NFC chip encrypts the encrypted key pair using the internal storage. The subsequent random number is decrypted, and the decrypted data is returned. If the returned decrypted data matches the locally generated random number, the verification is successful, indicating that the artwork is the artist's work; if not, the verification fails, indicating that the artwork is not The artist's work. The private key is stored in the unreadable area of the N FC chip. The public and private key is used to verify the artwork, ensuring the integration of the physical and digital entities of the artwork, and using the response of the random number to ensure the credibility of the data source. It solves the problem that the art appraisal relies on the level of experts and relies on the credibility of the central server, providing a new model for eliminating the fraud of art.

[0079] In some embodiments, the traceability anti-counterfeiting method further includes an artwork transaction step. Referring to FIG. 3, the artwork transaction step includes steps S301-S303, and the specific content is as follows:

[0080] Step S301: Receive a transaction request including a blockchain external account address and an uploaded prepaid fee sent by the purchaser.

[0081] Step S302: Determine whether the balance of the purchaser account is greater than the price of the artwork corresponding to the external account address of the blockchain. If no, go to step S305; if yes, go to step S303.

[0082] Step S303: Freeze the prepaid payment of the purchaser and record the transaction request.

[0083] Step S304: receiving an order of the consent of the transaction sent by the owner of the artwork, the buyer's The prepaid fee is transferred to the current owner's account of the artwork, and the owner of the artwork is changed to the buyer.

[0084] Step S305: The transaction request fails.

[0085] The purchaser can obtain the artwork smart contract address of the artwork by email, and obtain the artwork information, including the work name, artist, price, owner, etc., and then send the block chain external account to the blockchain. Address the transaction request and upload the prepaid fee. The artwork smart contract judges whether the buyer's account balance is greater than the art price, and if not, the transaction request fails, and the ownership transaction is terminated; if so, the prepaid fee uploaded by the buyer is frozen, and the transaction request is recorded. After the owner of the artwork agrees to the transaction request, it sends an order to the artwork smart contract to approve the transaction request, and the artwork smart contract receives the order and then transfers the right to use the artwork, which will freeze the buyer's pre-payment. The payment is transferred to the owner's account and the owner of the artwork is changed to the name requested by the purchaser or purchaser. In this embodiment, the blockchain is introduced into the process of determining the right and ownership of the artwork, and the random challenge value verification mode is used to eliminate the possibility of physical copying from the source, ensuring the trust of the data source and eliminating the logistics link. The counterfeit goods and stocks are reliable, the data source is reliable, the copying is prevented, the illegal authorization and the transfer of ownership transfer records are prevented, and the authenticity of the goods, the fidelity trace of the goods, and the real-time inventory management of the goods are facilitated.

[0086] In some embodiments, the traceability anti-counterfeiting method further includes: monitoring and recording a transaction event of the artwork, wherein the transaction event includes transaction information, transfer information, and logistics information, and monitoring the transaction event of the artwork, Good guarantees the accuracy of the traceability of the artwork.

[0087] In summary, the traceability anti-counterfeiting method based on the blockchain-based paper art provided by the embodiment discloses the artist's own credibility through the blockchain to disclose the information of the artist and the artwork, and in the artwork The paper-based embedding of the NFC chip ensures the integration of the physical and digital entities of the artwork, facilitates the verification of the authenticity of the artwork, solves the problem of relying on the expert level of artwork identification, and relies on the credibility of the central server, and achieves the paper art. The product has a strong credibility traceability, the real can not be falsified and anti-counterfeiting purposes.

[0088] The following is an embodiment of a traceability anti-counterfeiting system based on blockchain-based paper art provided in a specific embodiment of the present application. The embodiment of the system is implemented based on the embodiment of the foregoing method, and is not implemented in the system. For a description, please refer to the embodiment of the foregoing method.

[0089] Please refer to FIG. 4 , which is a block art based paper art provided in a specific embodiment of the present application. A block diagram of the structure of an embodiment of a traceability anti-counterfeiting system. As shown in FIG. 4, the traceability anti-counterfeiting system 10 includes:

[0090] The terminal-based account generation system 101 is configured to generate an artist's blockchain external account by using an artist's personal public-private key pair;

[0091] The NFC chip-based read/write system 102, the readable area of the NFC chip for storing the artwork information and the artist's blockchain external account address on the artwork paper base, and the artist's personal public-private key pair The private key in the storage is stored in an unreadable area of the NFC chip, and locks the NFC chip into a readable mode;

[0092] a blockchain-based smart contract creation system 103 for creating an artist smart contract on the blockchain including the blockchain external account address, the public key in the personal public-private key pair, and the artist personal information; An artwork smart contract for creating the artwork including the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip on the blockchain; wherein the artwork information includes: a work name, Artist, price and owner.

[0093] In some embodiments, the terminal-based account generation system 101 is further configured to: send the artist's blockchain external account address, public key, and artist personal information to a trusted third party. In this embodiment, the blockchain-based smart contract creation system 103 is configured to: receive a request to create an artist smart contract sent by a trusted third direction blockchain, and an external blockchain of an artist uploaded by a trusted third party Account information, public key, and artist personal information; create an artist smart contract containing the artist's blockchain external account information, public key, and artist personal information in accordance with the request to create an artist smart contract.

[0094] In some embodiments, the traceability anti-counterfeiting system further includes: a terminal-based information acquisition system 104, configured to scan the artwork information of the artwork of the NFC chip on the artwork paper base, and the block corresponding to the artist. The external account address of the chain, and the ID information of the NFC chip, send a request to create a smart contract for the artwork to the blockchain, and at the same time, the artwork information of the artwork, the external account address of the blockchain corresponding to the artist, and the ID of the NFC chip. Information is uploaded to the blockchain. In this embodiment, the blockchain-based smart contract creation system 103 is configured to: create, according to the request for creating an artwork smart contract, the artwork information of the artwork containing the artwork, the artwork corresponding to the artist's area Artifact smart contract for blockchain external account address, and ID information for NFC chips.

[0095] In some embodiments, the traceability anti-counterfeiting system further includes: a terminal-based verification system 105, configured to acquire a blockchain external account address in the artwork smart contract, according to the external account address of the blockchain Obtain the public key in the corresponding artist's smart contract on the blockchain; use the public key in the artist's smart contract The artwork is verified with a private key in the NFC chip on the artwork.

[0096] As another embodiment, the terminal-based verification system 105 is specifically configured to:

[0097] reading a blockchain external account address of the NFC chip on the artwork paper base; obtaining a corresponding artist's public key from the blockchain according to the blockchain external account address;

[0098] locally generating a random number, encrypting the random number using the public key, and transmitting a decryption request including the encrypted random number to the NFC chip;

[0099] receiving, by the NFC chip, the decrypted data after decrypting the encrypted random number by using a private key;

[0100] verifying whether the decrypted data returned by the NFC chip matches the locally generated random number, and if the matching is successful, the verification succeeds; if not, the verification fails.

[0101] As a preferred embodiment, the artwork paper base comprises a base paper, a top paper and a plurality of NFC chips, the plurality of NFC chips being arranged on the base paper, the top paper covering the NFC Above the chip. The artwork information further includes an arrangement pattern of the plurality of NFC chips on the base paper, and the arrangement patterns of the plurality of NFC chips on the base paper may be straight lines, triangles, squares, diamonds, stars. Shape, etc., uploading the layout pattern of the NFC chip on the base paper to the blockchain, can prevent the counterfeiters from intercepting the genuine sales of some works of art, and further plays the role of anti-counterfeiting.

[0102] In some embodiments, the traceability anti-counterfeiting system further includes a blockchain-based artwork transaction system 106 for:

[0103] receiving a transaction request sent by the purchaser including the blockchain external account address and the uploaded prepaid fee;

[0104] determining whether the purchaser account balance is greater than the price of the artwork corresponding to the blockchain external account address, and if not, the transaction request fails; if yes, freezing the purchaser's prepayment fee, and recording the transaction request ;

[0105] receiving an order of the consent transaction request sent by the owner of the artwork, transferring the prepaid payment of the purchaser to the current owner's account of the artwork, and changing the owner of the artwork to the buyer .

[0106] In some embodiments, the traceability anti-counterfeiting system further includes: a server-based monitoring system 107, a transaction event for monitoring and recording artwork, wherein the transaction event includes transaction information, transfer information, and logistics information. .

[0107] In summary, the present embodiment provides a traceability anti-counterfeiting system based on blockchain-based paper art, which discloses information of artists and artworks through blockchains, transparently criticizes the artist's own credibility, and is in art paper. Base The embedded NFC chip ensures the integration of the physical and digital entities of the artwork, facilitates the verification of the authenticity of the artwork, solves the problem that the art appraisal relies on the expert level, and relies on the credibility of the central server, so as to achieve the paper art The traceability of strong credibility, the purpose of real tampering and anti-counterfeiting.

[0108] The technical principles of the present application have been described above in connection with specific embodiments. These descriptions are only for the purpose of explaining the principles of the present application and are not to be construed as limiting the scope of the application. Based on the explanation herein, those skilled in the art can associate other specific embodiments of the present application without departing from the scope of the present invention.

Summary of invention

technical problem

Problem solution

Advantageous effects of the invention

Claims

Claim

[Claim 1] A source-based anti-counterfeiting method for a paper art based on a blockchain, wherein the traceability anti-counterfeiting method comprises:

An artist's personal public-private key pair is used to generate an artist's blockchain external account, and an artist smart contract including the blockchain external account address, the public key in the personal public-private key pair, and the artist's personal information is created on the blockchain;

Storing the artwork information and the artist's blockchain external account address in the readable area of the NFC chip on the artwork paper base, storing the private key of the artist's personal public-private key pair in the NFC chip unreadable Zone, and locking the NFC chip into a readable mode; creating an artwork of the artwork including the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip on the blockchain The contract information; wherein the artwork information includes: the name of the work, the artist, the price, and the owner.

[Claim 2] The source code anti-counterfeiting method of the blockchain-based paper art article according to claim 1, wherein the creating a block chain external account address, personal public and private The artist's smart contract for the public key in the key pair and the artist's personal information includes: Sending the artist's blockchain external account address, public key, and artist personal information to a trusted third party; sending through a trusted third-direction blockchain The artist's request for a smart contract, and at the same time uploading the artist's blockchain external account information, public key and artist personal information into the blockchain;

The blockchain creates an artist smart contract containing the artist's blockchain external account information, public key, and artist personal information in accordance with the request to create an artist smart contract.

[Claim 3] The source code anti-counterfeiting method of the blockchain-based paper art article according to claim 1, wherein the creating the artwork on the blockchain includes the artwork information and the area Artwork smart contracts for blockchain external account addresses, artwork information, and ID information for NFC chips include:

Sending a request for creating an artwork smart contract to the blockchain, and uploading the artwork information of the artwork, the blockchain external account address of the corresponding artist, and the ID information of the NFC chip to the blockchain; The blockchain creates an artwork of the artwork containing the artwork according to the request to create an artwork smart contract, the artwork corresponding to the artist's blockchain external account address, and the ID information of the NFC chip. contract.

[Claim 4] The traceability anti-counterfeiting method of the blockchain-based paper artwork according to claim 1, wherein the traceability anti-counterfeiting method further comprises an artwork verification step, the artwork verification step comprising:

Reading a blockchain external account address of the NFC chip on the art paper base; obtaining a corresponding artist's public key from the blockchain according to the block chain external account address;

Generating a random number locally, encrypting the random number using the public key, and transmitting a decryption request including the encrypted random number to the NFC chip;

The NFC chip decrypts the encrypted random number by using a private key, and returns the decrypted data; and verifies whether the decrypted data returned by the NFC chip matches the locally generated random number, and if the matching is successful, the verification succeeds; if not, the verification is performed. failure.

[Claim 5] The trace source anti-counterfeiting method of the block chain-based paper art article according to claim 1, wherein the artwork paper base comprises a base paper, a top paper, and a plurality of NFC chips, a plurality of NFC chips arranged on the base paper, the top paper covering the N FC chip;

The artwork information further includes an arrangement pattern of the plurality of NFC chips on the base paper.

[Claim 6] The source code anti-counterfeiting method of the blockchain-based paper art article according to claim 1, wherein the method further comprises a artwork transaction step, and the artwork transaction step comprises:

Receiving a transaction request sent by the purchaser including an external account address of the blockchain and an advance payment for uploading;

Determining whether the purchaser account balance is greater than the price of the art product corresponding to the blockchain external account address; if not, the transaction request fails; if yes, freezing the purchaser's prepayment fee, and recording the transaction request;

Receiving an order to approve the transaction request sent by the owner of the artwork, the purchaser's pre- The payment fee is transferred to the current owner's account of the artwork, and the owner of the artwork is changed to the buyer.

[Claim 7] The source-based anti-counterfeiting method of the blockchain-based paper art article according to claim 6, wherein the traceability anti-counterfeiting method further comprises: monitoring and recording a transaction event of the artwork, wherein Trading events include trading information, transfer information, and logistics information.

[Claim 8] A traceability anti-counterfeiting system for a paper art based on a blockchain, wherein the traceability anti-counterfeiting system comprises:

a terminal-based account generation system for generating an artist's blockchain external account using the artist's personal public-private key pair;

An NFC chip-based read/write system for storing the art information and the artist's blockchain external account address in the readable area of the NFC chip on the artwork paper base, and the private key of the artist's personal public and private key pair Storing in an unreadable area of the NFC chip and locking the NFC chip into a readable mode;

A blockchain-based smart contract creation system for creating an artist smart contract on the blockchain including the blockchain external account address, the public key in the individual public-private key pair, and the artist's personal information; on the blockchain Creating an artwork smart contract including the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip; wherein the artwork information includes: a work name, an artist, a price, and owner.

[Claim 9] The traceability anti-counterfeiting system of the blockchain-based paper artwork according to claim 8, wherein the terminal-based account generation system is further used for: an artist's blockchain external account The address, the public key, and the artist personal information are sent to the trusted third party; the blockchain-based smart contract creation system is configured to: receive a request to create an artist smart contract sent by the trusted third direction blockchain, and be trusted Block chain external account information, public key and artist personal information of the third-party uploaded artist; create an artist smart contract containing the artist's blockchain external account information, public key and artist personal information according to the request to create an artist smart contract .

[Claim 10] The traceability anti-counterfeiting system of the block-based paper art according to claim 8, wherein the traceability anti-counterfeiting system further comprises: A terminal-based information acquisition system for scanning and acquiring artwork information of the artwork of the NFC chip on the art paper base, corresponding blockchain external account address of the artist, and ID information of the NFC chip, and transmitting to the blockchain The request for the artwork smart contract, and uploading the artwork information of the artwork, the address of the blockchain external account corresponding to the artist, and the ID information of the NFC chip to the blockchain;

The blockchain-based smart contract creation system is configured to: create, according to the request for creating an artwork smart contract, artwork information of the artwork that includes the artwork, and the artwork corresponds to an artist's blockchain external account address , and the smart contract of the artwork of the ID information of the NFC chip.

[Claim 11] The traceability anti-counterfeiting system of the blockchain-based paper artwork according to claim 8, wherein the traceability anti-counterfeiting system further comprises a terminal-based verification system, configured to: read an artwork a blockchain external account address of the NFC chip on the paper base; obtaining a corresponding artist's public key from the blockchain according to the blockchain external account address;

Generating a random number locally, encrypting the random number using the public key, and transmitting a decryption request including the encrypted random number to the NFC chip; receiving the encrypted private key returned by the NFC chip to the encrypted Decrypted data after decryption by a random number;

Verify that the decrypted data returned by the NFC chip matches the locally generated random number. If the match is successful, the verification succeeds; if it does not match, the verification fails.

[Claim 12] The traceability anti-counterfeiting system of the blockchain-based paper art according to claim 8, wherein the traceability anti-counterfeiting system further comprises a blockchain-based art transaction system, for:

[Claim 13] The traceability anti-counterfeiting system of the blockchain-based paper artwork according to claim 12, wherein the traceability anti-counterfeiting system further comprises: a server-based monitoring system for monitoring and recording art The transaction event of the product, wherein the transaction event includes transaction information, transfer information, and logistics information.