CN108460605B - Block chain-based tracing and anti-counterfeiting method and system for paper artwork - Google Patents

Block chain-based tracing and anti-counterfeiting method and system for paper artwork Download PDF

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CN108460605B
CN108460605B CN201810133136.8A CN201810133136A CN108460605B CN 108460605 B CN108460605 B CN 108460605B CN 201810133136 A CN201810133136 A CN 201810133136A CN 108460605 B CN108460605 B CN 108460605B
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artwork
artist
information
blockchain
intelligent contract
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CN108460605A (en
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邱兵
何立宝
车克达
周文硕
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Shenzhen Yqtc Technology Co ltd
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Abstract

The invention discloses a tracing and anti-counterfeiting method and system for paper artworks based on block chains. The method comprises the following steps: generating a blockchain external account of the artist by utilizing a personal public and private key pair of the artist, and creating an artist intelligent contract comprising the address of the blockchain external account, a public key in the personal public and private key pair and artist personal information on a blockchain; storing artwork information and an artist block chain external account address in a readable area of an NFC chip, storing a private key in a personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode; creating an artwork intelligent contract of the artwork on the blockchain, wherein the artwork intelligent contract comprises artwork information, a blockchain external account address, the artwork information and ID information of an NFC chip; wherein the artwork information includes: work name, artist, price, and owner. The invention realizes the purposes of traceability, trueness, no tampering and anti-counterfeiting of the paper artwork with strong credibility.

Description

Block chain-based tracing and anti-counterfeiting method and system for paper artwork
Technical Field
The invention relates to the technical field of block chains, in particular to a tracing and anti-counterfeiting method and system for paper artworks based on block chains.
Background
At present, the anti-counterfeiting, tracing and the like of the paper artwork industry mainly depend on methods such as expert identification, X-ray paper quality analysis, centralized server feature matching and the like, but the expert identification has the problems of serious dependence on the expert level, unstable state and the like; the problems of counterfeit by ancient paper, artificial doping and the like exist in X-ray paper quality analysis; the centralized server feature matching method has the problem of serious dependence on the public confidence of the center, and has great internal control difficulty.
Therefore, how to realize the traceability, the reality and the falsification of the paper artwork with strong credibility is a technical problem which needs to be solved.
Disclosure of Invention
The invention aims to solve the technical problem of providing a tracing and anti-counterfeiting method and a tracing and anti-counterfeiting system for a paper artwork based on a block chain, which can realize tracing of the paper artwork with strong credibility, reality, no tampering and anti-counterfeiting.
In order to solve the technical problems, the invention adopts the following technical scheme:
on one hand, the invention provides a tracing and anti-counterfeiting method of paper artworks based on a block chain, which comprises the following steps:
generating a blockchain external account of the artist by utilizing a personal public and private key pair of the artist, and creating an artist intelligent contract comprising the address of the blockchain external account, a public key in the personal public and private key pair and artist personal information on a blockchain;
storing artwork information and an artist block chain external account address in a readable area of an NFC chip on an artwork paper base, storing a private key in an artist's personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode; creating an artwork intelligent contract of the artwork on the blockchain, wherein the artwork intelligent contract comprises the artwork information, the address of the blockchain external account, the artwork information and the ID information of the NFC chip; wherein the artwork information comprises: work name, artist, price, and owner.
Wherein said creating an artist intelligence contract on a blockchain that includes the blockchain external account address, a public key in a personal public-private key pair, and artist personal information comprises:
sending the external account address of the blockchain of the artist, the public key and the personal information of the artist to a trusted third party; sending a request for creating an artist intelligent contract to the blockchain through a trusted third party, and simultaneously uploading external account information, a public key and artist personal information of the blockchain of the artist to the blockchain;
the blockchain creates an artist intelligent contract containing the blockchain external account information of the artist, the public key and the artist personal information according to the request for creating the artist intelligent contract.
Wherein the creating of the artwork on the blockchain, the artwork intelligent contract comprising the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip, comprises:
sending a request for creating an artwork intelligent contract to the blockchain, and uploading artwork information of the artwork, an external account address of the blockchain corresponding to the artist and ID information of the NFC chip to the blockchain;
and the blockchain creates an artwork intelligent contract of the artwork according to the request for creating the artwork intelligent contract, wherein the artwork intelligent contract comprises artwork information of the artwork, a blockchain external account address of an artist corresponding to the artwork and ID information of an NFC chip.
Wherein the method further comprises an artwork validation step comprising:
reading a block chain external account address of an NFC chip on the artwork paper base; acquiring a public key of a corresponding artist from the block chain according to the block chain external account address;
locally generating a random number, encrypting the random number by using the public key, and sending a decryption request containing the encrypted random number to an NFC chip;
the NFC chip decrypts the encrypted random number by using a private key and returns decrypted data;
verifying whether the decryption data returned by the NFC chip is matched with the locally generated random number or not, and if so, successfully verifying; if not, the verification fails.
The artwork paper base comprises base layer paper, top layer paper and a plurality of NFC chips, wherein the NFC chips are arranged on the base layer paper, and the top layer paper covers the NFC chips;
the artwork information further comprises a configuration pattern of the plurality of NFC chips on the base paper.
The method further comprises an artwork transaction step, wherein the artwork transaction step specifically comprises the following steps:
receiving a transaction request including a block chain external account address sent by a purchaser and uploading prepayment payment;
judging whether the balance of the purchaser account is larger than the price of the artwork corresponding to the external account address of the block chain, if not, the transaction request fails; if yes, the prepayment payment of the buyer is frozen, and the transaction request is recorded;
receiving a command for approving the transaction request sent by the owner of the artwork, transferring the prepayment of the buyer to the account of the current owner of the artwork, and changing the owner of the artwork to the buyer.
Wherein the method further comprises: monitoring and recording transaction events of artworks, wherein the transaction events comprise transaction information, transfer information and logistics information.
On the other hand, the invention provides a traceability anti-counterfeiting system of paper artworks based on a block chain, which comprises the following components:
a terminal-based account generation system for generating a blockchain external account for the artist using a personal public-private key pair of the artist;
the NFC chip-based read-write system is used for storing artwork information and an artist block chain external account address in a readable area of an NFC chip on an artwork paper base, storing a private key in an artist personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode;
a blockchain-based intelligent contract creation system for creating an artist intelligent contract on a blockchain that includes the blockchain external account address, a public key in a personal public-private key pair, and artist personal information; creating an artwork intelligent contract of the artwork on the blockchain, wherein the artwork intelligent contract comprises the artwork information, the address of the blockchain external account, the artwork information and the ID information of the NFC chip; wherein the artwork information comprises: work name, artist, price, and owner.
Wherein the terminal-based account generation system is further configured to; sending the external account address of the blockchain of the artist, the public key and the personal information of the artist to a trusted third party;
the intelligent contract creation system based on the block chain is used for: receiving a request for creating an artist intelligent contract sent to a blockchain by a trusted third party, and uploading external account information, a public key and artist personal information of the blockchain of the artist by the trusted third party; and creating an artist intelligent contract containing the external account information of the blockchain of the artist, the public key and the personal information of the artist according to the request for creating the artist intelligent contract.
Wherein, the traceability anti-counterfeiting system further comprises:
the information acquisition system based on the terminal is used for scanning and acquiring the artwork information of the artwork of the NFC chip on the artwork paper base, the block chain external account address corresponding to the artist and the ID information of the NFC chip, sending a request for creating an artwork intelligent contract to the block chain, and uploading the artwork information of the artwork, the block chain external account address corresponding to the artist and the ID information of the NFC chip to the block chain;
the intelligent contract creation system based on the block chain is used for: and creating an artwork intelligent contract of the artwork according to the request for creating the artwork intelligent contract, wherein the artwork intelligent contract comprises artwork information of the artwork, a block chain external account address of an artist corresponding to the artwork and ID information of an NFC chip.
Wherein, the traceability anti-counterfeiting system further comprises: the verification system based on the terminal is used for acquiring a block chain external account address in the intelligent contract of the artwork and acquiring a public key in the intelligent contract of the corresponding artist from the block chain according to the block chain external account address; and verifying the artwork by using the public key in the artist intelligent contract and the private key in the NFC chip on the artwork paper base.
Wherein the terminal-based authentication system is specifically configured to:
reading a block chain external account address of an NFC chip on the artwork paper base; acquiring a public key of a corresponding artist from the block chain according to the block chain external account address;
locally generating a random number, encrypting the random number by using the public key, and sending a decryption request containing the encrypted random number to an NFC chip;
receiving decryption data returned by the NFC chip and obtained by decrypting the encrypted random number by using a private key;
verifying whether the decryption data returned by the NFC chip is matched with the locally generated random number or not, and if so, successfully verifying; if not, the verification fails.
The tracing anti-counterfeiting system further comprises a block chain-based artwork transaction system, and the block chain-based artwork transaction system is used for:
receiving a transaction request including a block chain external account address sent by a purchaser and uploading prepayment payment;
judging whether the balance of the purchaser account is larger than the price of the artwork corresponding to the external account address of the block chain, if not, the transaction request fails; if yes, the prepayment payment of the buyer is frozen, and the transaction request is recorded;
receiving a command for approving the transaction request sent by the owner of the artwork, transferring the prepayment of the buyer to the account of the current owner of the artwork, and changing the owner of the artwork to the buyer.
Wherein, the traceability anti-counterfeiting system further comprises: the monitoring system based on the server is used for monitoring and recording transaction events of artworks, wherein the transaction events comprise transaction information, transfer information and logistics information.
Compared with the prior art, the invention has the beneficial effects that: the traceability anti-counterfeiting method of the paper artwork based on the block chain, disclosed by the invention, discloses the information of the artist and the artwork through the block chain, transparentizes the credibility of the artist, and embeds the NFC chip in the artwork paper base, so that the integration of the physical entity and the digital entity of the artwork is ensured, the authenticity of the artwork is convenient to verify, the problem that the artwork identification depends on the expert level and the credibility of a central server is solved, and the traceability, authenticity, falsification resistance and anti-counterfeiting purposes of the paper artwork with strong credibility are achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a flowchart of a method of an embodiment of a tracing anti-counterfeiting method for paper artwork based on a blockchain according to an embodiment of the present invention.
FIG. 2 is a flowchart of a method of an embodiment of the artwork validation step provided in the embodiments of the present invention.
FIG. 3 is a flowchart of a method of an embodiment of the artwork transaction step provided in the embodiments of the present invention.
Fig. 4 is a block diagram illustrating an embodiment of a traceability anti-counterfeit system for paper artwork based on a block chain according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following describes in detail a traceability anti-counterfeiting method for paper artwork based on a block chain according to an embodiment of the present invention with reference to fig. 1 to 2. Please refer to fig. 1, which is a flowchart illustrating a method of a traceability anti-counterfeit method for paper artwork based on a block chain according to a first embodiment of the present invention. As shown in fig. 1, in this embodiment, the source tracing anti-counterfeiting method includes:
step S101: a blockchain external account for the artist is generated using a personal public-private key pair for the artist, and an artist intelligence contract is created on the blockchain that includes the blockchain external account address, a public key in the personal public-private key pair, and artist personal information.
In some embodiments, the creating an artist intelligence contract on a blockchain that includes the blockchain external account address, a public key in a personal public-private key pair, and artist personal information includes steps a 1-a 2 as follows:
step A1: sending the external account address of the blockchain of the artist, the public key and the personal information of the artist to a trusted third party; sending a request for creating an artist intelligent contract to the blockchain through the trusted third party, and simultaneously uploading the external account information, the public key and the artist personal information of the blockchain of the artist into the blockchain.
Step A2: the blockchain creates an artist intelligent contract containing the blockchain external account information of the artist, the public key and the artist personal information according to the request for creating the artist intelligent contract.
The method comprises the steps that an artist generates a public and private key pair locally, a corresponding external account of a block chain is generated through the public and private key pair, the external account address of the block chain, a public key in the public and private key pair and personal information of the block chain are uploaded to a trusted third party, the trusted third party calls a uniform intelligent contract interface, namely a request for creating an artist intelligent contract is sent to the block chain, and meanwhile, the external account information of the block chain of the artist, the public key and the artist personal information are uploaded to the block chain. The blockchain receives the request for creating the artist intelligent contract, and creates an artist intelligent contract containing the blockchain external account information, the public key and the artist personal information of the artist, so that the artist information is stored in each node of the blockchain, and other users can obtain the blockchain external account information, the public key, the artist personal information and the like of the artist.
Step S102: storing artwork information and an artist block chain external account address in a readable area of an NFC chip on an artwork paper base, storing a private key in an artist's personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode; creating an artwork intelligent contract of the artwork on the blockchain, wherein the artwork intelligent contract comprises the artwork information, the address of the blockchain external account, the artwork information and the ID information of the NFC chip; wherein the artwork information comprises: work name, artist, price, and owner.
In this embodiment, the artwork paper base is a paper base provided with an NFC (Near Field Communication) chip, and the preparation process may be: manufacturing base paper; arranging the NFC chip on the base paper according to a certain rule; covering the top layer paper. Each NFC chip is not reproducible, and ID information of each NFC chip is also unique. The artwork information, the block chain external account address and the private key are stored in the NFC chip, the NFC chip is permanently locked into a readable mode, and therefore the NFC chip cannot be written in any more, people are prevented from tampering the information of the NFC chip, the private key is stored in an unreadable area of the NFC chip, the private key cannot be obtained from the NFC chip, and the security of the private key is guaranteed. In this embodiment, the NFC chip is passively powered.
As a preferred embodiment, the artwork paper base includes a base layer paper, a top layer paper and a plurality of NFC chips, wherein the plurality of NFC chips are arranged on the base layer paper, and the top layer paper covers the NFC chips. The artwork information further comprises a plurality of NFC chips, the arrangement patterns on the base paper and the arrangement patterns on the base paper of the NFC chips can be straight lines, triangles, squares, diamonds, stars and the like, the arrangement patterns on the base paper of the NFC chips are uploaded to a block chain, a counterfeiter can be prevented from intercepting the sales of a part of artwork, and the anti-counterfeiting effect is further played.
In some embodiments, the creating of the artwork on the blockchain for the artwork intelligent contract comprising the artwork information, the blockchain external account address, the artwork information, and the ID information of the NFC chip comprises steps B1-B2 as follows:
step B1: and sending a request for creating an artwork intelligent contract to the blockchain, and uploading the artwork information of the artwork, the external account address of the blockchain of the corresponding artist and the ID information of the NFC chip to the blockchain.
Step B2: and the blockchain creates an artwork intelligent contract of the artwork according to the request for creating the artwork intelligent contract, wherein the artwork intelligent contract comprises artwork information of the artwork, a blockchain external account address of an artist corresponding to the artwork and ID information of an NFC chip.
And the artist calls an intelligent contract interface through the terminal, namely, a request for creating an artwork intelligent contract is sent to the blockchain, the blockchain receives the request for creating the artwork intelligent contract, and the artwork intelligent contract for creating the artwork is created and contains artwork information of the artwork, the address of an external account of the blockchain of the artist corresponding to the artwork and the ID information of the NFC chip. Thus, other users can obtain the intelligent contract of the artwork from the blockchain and know the information of the artwork, including the work name, artist, price, owner, artwork brief introduction and the like of the artwork.
In some embodiments, the tracing anti-counterfeiting method further includes an artwork verifying step, please refer to fig. 2, where the artwork verifying step includes steps S201 to S204, which are as follows:
step S201: reading a block chain external account address of an NFC chip on the artwork paper base; and acquiring a public key of the corresponding artist from the block chain according to the block chain external account address.
Step S202: and locally generating a random number, encrypting the random number by using the public key, and sending a decryption request containing the encrypted random number to the NFC chip.
Step S203: and the NFC chip decrypts the encrypted random number by using a private key and returns decrypted data.
Step S204: verifying whether the decryption data returned by the NFC chip is matched with the locally generated random number or not, and if so, successfully verifying; if not, the verification fails.
A user can scan the NFC chip to obtain an external account address of a block chain of an artist stored in the NFC chip, a corresponding intelligent contract of the artist is searched for from the block chain through the external account address of the block chain, so that a public key in the intelligent contract of the artist is obtained, then a random number is locally generated, the random number is encrypted by the public key and is sent to the NFC chip to request the NFC chip to decrypt, the NFC chip decrypts the encrypted random number by using a private key stored inside and returns decrypted data, if the returned decrypted data is matched with the locally generated random number, verification is successful, and the artwork is the work of the artist; if not, the verification fails, indicating that the work of art is not the work of the artist. The private key is stored in the unreadable area of the NFC chip, the artwork is verified by a public and private key, the integration of the physical entity and the digital entity of the artwork is ensured, the credibility of a data source is ensured by the response of a random number, the problems that the artwork identification depends on the expert level and the public credibility of a central server are solved, and a new mode is provided for avoiding the counterfeiting of the artwork.
In some embodiments, the tracing anti-counterfeiting method further includes an artwork transaction step, which is described with reference to fig. 3, where the artwork transaction step includes steps S301 to S303, and the specific contents are as follows:
step S301: and receiving a transaction request comprising the address of the external account of the block chain and the uploaded pre-payment fee sent by the purchaser.
Step S302: judging whether the account balance of the purchaser is greater than the price of the artwork corresponding to the external account address of the block chain, if not, executing a step S305; if yes, go to step S303.
Step S303: the purchaser's prepayment is frozen and the transaction request is recorded.
Step S304: receiving a command for approving the transaction request sent by the owner of the artwork, transferring the prepayment of the buyer to the account of the current owner of the artwork, and changing the owner of the artwork to the buyer.
Step S305: the transaction request fails.
The purchaser can obtain the artwork intelligent contract address of the artwork by means of mail, obtain the artwork information including the work name, artist, price and owner, etc., then send a transaction request including the blockchain external account address to the blockchain, and upload the prepaid fee. The artwork intelligent contract judges whether the balance of the buyer account is larger than the artwork price, if not, the transaction request fails, and the ownership transaction is terminated; if yes, the prepayment payment uploaded by the buyer is frozen, and the transaction request is recorded. After the owner of the artwork agrees with the transaction request, a command of agreeing with the transaction request is sent to the artwork intelligent contract, the artwork intelligent contract carries out transfer processing of the right of the artwork after receiving the command, the frozen prepayment of the buyer is transferred to the account of the owner, and the owner of the artwork is changed into the buyer or the name required by the buyer. In the embodiment, the block chain is introduced into the process of transferring the authenticity and ownership of the artwork, and the random challenge value verification mode is utilized, so that the possibility of physical copying is eliminated from the source, the credibility of a data source is ensured, the fake goods and the channel conflict in the logistics link are eliminated, the reliability of the data source is realized, the copying is eliminated, the illegal authorization and the tampering of ownership transfer records are prevented, and the authenticity of the commodity, the fidelity traceability of the commodity and the real-time inventory management of the commodity are conveniently authenticated.
In some embodiments, the tracing anti-counterfeiting method further comprises: and monitoring and recording the transaction events of the artworks, wherein the transaction events comprise transaction information, transfer information and logistics information, and the transaction events of the artworks are monitored, so that the accuracy of tracing the artworks is better ensured.
In summary, the traceability anti-counterfeiting method for the paper artwork based on the block chain, provided by the embodiment, discloses information of the artist and the artwork through the block chain, transparentizes the trust of the artist, and embeds the NFC chip in the artwork paper base, so that integration of the physical entity and the digital entity of the artwork is ensured, authenticity of the artwork is conveniently verified, the problems that artwork identification depends on expert level and trust of a central server are solved, and the traceability, authenticity and falsification prevention purposes of the paper artwork with strong trust are achieved.
The following is an embodiment of a traceability anti-counterfeiting system for paper artwork based on block chain, which is provided in the specific implementation manner of the present invention, and the embodiment of the system is implemented based on the embodiment of the above method, and please refer to the embodiment of the foregoing method for the description that is not described in the system.
Please refer to fig. 4, which is a block diagram illustrating an embodiment of a traceability anti-counterfeit system for paper artwork based on block chains according to an embodiment of the present invention. As shown in fig. 4, the traceability anti-counterfeit system 10 includes:
a terminal-based account generation system 101 for generating a blockchain external account of an artist using a personal public-private key pair of the artist;
the NFC chip-based read-write system 102 is used for storing artwork information and an artist block chain external account address in a readable area of an NFC chip on an artwork paper base, storing a private key in an artist's personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode;
a blockchain-based intelligent contract creation system 103 for creating an artist intelligent contract on a blockchain that includes the blockchain external account address, a public key in a personal public-private key pair, and artist personal information; creating an artwork intelligent contract of the artwork on the blockchain, wherein the artwork intelligent contract comprises the artwork information, the address of the blockchain external account, the artwork information and the ID information of the NFC chip; wherein the artwork information comprises: work name, artist, price, and owner.
In some embodiments, the terminal-based account generation system 101 is further configured to; the blockchain external account address, public key, and artist personal information for the artist are sent to a trusted third party. In this embodiment, blockchain-based intelligent contract creation system 103 is configured to: receiving a request for creating an artist intelligent contract sent to a blockchain by a trusted third party, and uploading external account information, a public key and artist personal information of the blockchain of the artist by the trusted third party; and creating an artist intelligent contract containing the external account information of the blockchain of the artist, the public key and the personal information of the artist according to the request for creating the artist intelligent contract.
In some embodiments, the traceability anti-counterfeiting system further comprises: and the terminal-based information acquisition system 104 is used for scanning and acquiring the artwork information of the artwork of the NFC chip on the artwork paper base, the block chain external account address corresponding to the artist and the ID information of the NFC chip, sending a request for creating an artwork intelligent contract to the block chain, and uploading the artwork information of the artwork, the block chain external account address corresponding to the artist and the ID information of the NFC chip to the block chain. In this embodiment, blockchain-based intelligent contract creation system 103 is configured to: and creating an artwork intelligent contract of the artwork according to the request for creating the artwork intelligent contract, wherein the artwork intelligent contract comprises artwork information of the artwork, a block chain external account address of an artist corresponding to the artwork and ID information of an NFC chip.
In some embodiments, the traceability anti-counterfeiting system further comprises: the verification system 105 based on the terminal is used for acquiring a block chain external account address in an artwork intelligent contract and acquiring a public key in a corresponding artist intelligent contract from a block chain according to the block chain external account address; and verifying the artwork by using the public key in the artist intelligent contract and the private key in the NFC chip on the artwork paper base.
As another embodiment, the terminal-based authentication system 105 is specifically configured to:
reading a block chain external account address of an NFC chip on the artwork paper base; acquiring a public key of a corresponding artist from the block chain according to the block chain external account address;
locally generating a random number, encrypting the random number by using the public key, and sending a decryption request containing the encrypted random number to an NFC chip;
receiving decryption data returned by the NFC chip and obtained by decrypting the encrypted random number by using a private key;
verifying whether the decryption data returned by the NFC chip is matched with the locally generated random number or not, and if so, successfully verifying; if not, the verification fails.
As a preferred embodiment, the artwork paper base includes a base layer paper, a top layer paper and a plurality of NFC chips, wherein the plurality of NFC chips are arranged on the base layer paper, and the top layer paper covers the NFC chips. The artwork information further comprises a plurality of NFC chips, the arrangement patterns on the base paper and the arrangement patterns on the base paper of the NFC chips can be straight lines, triangles, squares, diamonds, stars and the like, the arrangement patterns on the base paper of the NFC chips are uploaded to a block chain, a counterfeiter can be prevented from intercepting the sales of a part of artwork, and the anti-counterfeiting effect is further played.
In some embodiments, the traceability anti-counterfeiting system further comprises a blockchain-based artwork transaction system 106 for:
receiving a transaction request including a block chain external account address sent by a purchaser and uploading prepayment payment;
judging whether the balance of the purchaser account is larger than the price of the artwork corresponding to the external account address of the block chain, if not, the transaction request fails; if yes, the prepayment payment of the buyer is frozen, and the transaction request is recorded;
receiving a command for approving the transaction request sent by the owner of the artwork, transferring the prepayment of the buyer to the account of the current owner of the artwork, and changing the owner of the artwork to the buyer.
In some embodiments, the traceability anti-counterfeiting system further comprises: and the server-based monitoring system 107 is used for monitoring and recording transaction events of the artworks, wherein the transaction events comprise transaction information, transfer information and logistics information.
In summary, the traceability anti-counterfeiting system of the paper artwork based on the block chain disclosed by the embodiment of the invention discloses information of the artist and the artwork through the block chain, transparentizes the trust of the artist, and embeds the NFC chip in the artwork paper base, so that the integration of the physical entity and the digital entity of the artwork is ensured, the authenticity of the artwork is convenient to verify, the problem that the artwork identification depends on the expert level and the trust of a central server is solved, and the traceability, authenticity, falsification resistance and anti-counterfeiting purposes of the paper artwork with strong trust are achieved.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims (2)

1. A tracing and anti-counterfeiting method for paper artworks based on block chains is characterized by comprising the following steps:
generating a blockchain external account of the artist by using a personal public and private key pair of the artist, and creating an artist intelligent contract comprising a blockchain external account address, a public key in the personal public and private key pair and artist personal information on a blockchain;
storing artwork information and an artist's blockchain external account address in a readable area of an NFC chip on an artwork paper base, storing a private key of an artist's personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode; creating an artwork intelligent contract of the artwork on the blockchain, wherein the artwork intelligent contract comprises the artwork information, the address of an external account of the blockchain and the ID information of the NFC chip; wherein the artwork information comprises: work name, artist, price, and owner;
the creating an artist intelligence contract on a blockchain that includes the blockchain external account address, a public key in a personal public-private key pair, and artist personal information comprises:
sending the external account address of the blockchain of the artist, the public key and the personal information of the artist to a trusted third party; sending a request for creating an artist intelligent contract to the blockchain through a trusted third party, and simultaneously uploading external account information, a public key and artist personal information of the blockchain of the artist to the blockchain;
the blockchain creates an artist intelligent contract containing the external account information, the public key and the personal information of the artist of the blockchain of the artist according to the request for creating the artist intelligent contract;
the intelligent contract of the artwork for creating the artwork on the blockchain and comprising the artwork information, the address of the blockchain external account and the ID information of the NFC chip comprises the following steps:
sending a request for creating an artwork intelligent contract to the block chain, and uploading artwork information of the artwork, an external account address of the block chain corresponding to an artist and ID information of the NFC chip to the block chain;
the blockchain creates an artwork intelligent contract of the artwork according to the request for creating the artwork intelligent contract, wherein the artwork intelligent contract comprises artwork information of the artwork, a blockchain external account address of an artist corresponding to the artwork and ID information of an NFC chip;
the tracing anti-counterfeiting method further comprises an artwork verifying step, and the artwork verifying step comprises the following steps:
reading a block chain external account address of an NFC chip on the artwork paper base; acquiring a public key of a corresponding artist from the block chain according to the block chain external account address;
locally generating a random number, encrypting the random number by using the public key, and sending a decryption request containing the encrypted random number to an NFC chip;
the NFC chip decrypts the encrypted random number by using a private key and returns decrypted data;
verifying whether the decryption data returned by the NFC chip is matched with the locally generated random number or not, and if so, successfully verifying; if not, the verification fails;
the artwork paper base comprises base layer paper, top layer paper and a plurality of NFC chips, wherein the NFC chips are arranged on the base layer paper, and the top layer paper covers the NFC chips;
the artwork information also comprises a configuration pattern of the plurality of NFC chips on the base paper; the arrangement pattern of the NFC chips on the base paper is a straight line, a triangle, a square, a diamond or a star, and the arrangement pattern of the NFC chips on the base paper is uploaded to the block chain; the method further comprises an artwork transaction step, wherein the artwork transaction step specifically comprises the following steps:
receiving a transaction request including a block chain external account address sent by a purchaser and uploading prepayment payment;
judging whether the balance of the purchaser account is larger than the price of the artwork corresponding to the external account address of the block chain, if not, the transaction request fails; if yes, the prepayment payment of the buyer is frozen, and the transaction request is recorded;
receiving a command for approving a transaction request sent by the owner of the artwork, transferring the prepayment of the purchaser into an account of the current owner of the artwork, and changing the owner of the artwork into the purchaser; the tracing anti-counterfeiting method further comprises the following steps: monitoring and recording transaction events of artworks, wherein the transaction events comprise transaction information, transfer information and logistics information.
2. The traceability anti-counterfeiting system of paper artworks based on block chains is suitable for the traceability anti-counterfeiting method of the paper artworks based on the block chains as claimed in claim 1, and is characterized by comprising the following steps:
a terminal-based account generation system for generating a blockchain external account for the artist using a personal public-private key pair of the artist;
the NFC chip-based read-write system is used for storing artwork information and an artist block chain external account address in a readable area of an NFC chip on an artwork paper base, storing a private key in an artist personal public and private key pair in a non-readable area of the NFC chip, and locking the NFC chip in a readable mode;
a blockchain-based intelligent contract creation system for creating an artist intelligent contract on a blockchain that includes the blockchain external account address, a public key in a personal public-private key pair, and artist personal information; creating an artwork intelligent contract for the artwork on the blockchain, wherein the artwork intelligent contract comprises the artwork information, the address of an external account of the blockchain and the ID information of the NFC chip; wherein the artwork information comprises: work name, artist, price, and owner;
the terminal-based account generation system is further configured to; sending the external account address of the blockchain of the artist, the public key and the personal information of the artist to a trusted third party;
the intelligent contract creation system based on the block chain is used for: receiving a request for creating an artist intelligent contract sent by a trusted third party to a blockchain, and artist blockchain external account information, a public key and artist personal information uploaded by the trusted third party; creating an artist intelligent contract containing artist's blockchain external account information, a public key, and artist personal information according to the request for creating the artist intelligent contract;
the tracing anti-counterfeiting system further comprises:
the information acquisition system based on the terminal is used for scanning and acquiring the artwork information of the artwork of the NFC chip on the artwork paper base, the block chain external account address corresponding to the artist and the ID information of the NFC chip, sending a request for creating an artwork intelligent contract to the block chain, and uploading the artwork information of the artwork, the block chain external account address corresponding to the artist and the ID information of the NFC chip to the block chain;
the intelligent contract creation system based on the block chain is used for: creating an artwork intelligent contract of the artwork according to the request for creating the artwork intelligent contract, wherein the artwork intelligent contract comprises artwork information of the artwork, a block chain external account address of an artist corresponding to the artwork and ID information of an NFC chip;
the tracing anti-counterfeiting system further comprises a terminal-based verification system used for:
receiving decryption data returned by the NFC chip and obtained by decrypting the encrypted random number by using a private key;
the tracing anti-counterfeiting system further comprises a block chain-based artwork transaction system used for:
receiving a transaction request including a block chain external account address sent by a purchaser and uploading prepayment payment;
judging whether the balance of the purchaser account is larger than the price of the artwork corresponding to the external account address of the block chain, if not, the transaction request fails; if yes, the prepayment payment of the buyer is frozen, and the transaction request is recorded;
receiving a command for approving the transaction request sent by the owner of the artwork, transferring the prepayment of the purchaser into an account of the current owner of the artwork, and changing the owner of the artwork into the purchaser;
the tracing anti-counterfeiting system further comprises: the monitoring system based on the server is used for monitoring and recording transaction events of artworks, wherein the transaction events comprise transaction information, transfer information and logistics information.
CN201810133136.8A 2018-02-09 2018-02-09 Block chain-based tracing and anti-counterfeiting method and system for paper artwork Expired - Fee Related CN108460605B (en)

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