CN111160888B - Payment method based on zero knowledge proof - Google Patents
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- CN111160888B CN111160888B CN201911410440.3A CN201911410440A CN111160888B CN 111160888 B CN111160888 B CN 111160888B CN 201911410440 A CN201911410440 A CN 201911410440A CN 111160888 B CN111160888 B CN 111160888B
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/12—Payment architectures specially adapted for electronic shopping systems
- G06Q20/123—Shopping for digital content
- G06Q20/1235—Shopping for digital content with control of digital rights management [DRM]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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Abstract
The application discloses a payment method based on zero knowledge proof, which comprises the steps that a target node detects creative data payment transaction, wherein the creative data payment transaction comprises a public key, and the target node is a blockchain node of a blockchain network; the target node encrypts creative data corresponding to the creative data payment transaction based on the public key and submits the encrypted creative data to the blockchain network; and synchronizing the encrypted creative data to a payment node corresponding to the creative data payment transaction through the blockchain network. According to the application, the creative data is encrypted under the chain, and then the encrypted creative data is submitted to the blockchain network and is sent to the payment node through the blockchain network, so that the data content of the creative data can be prevented from being revealed, and the safety of the creative data is improved.
Description
Technical Field
The application relates to the technical field of blockchain, in particular to a payment method based on zero knowledge proof.
Background
The first problem faced in paying for identification is the copyright problem, and people pay more and more attention to the value of the content, but the copyright problem is serious, and most important reason is that the copyright is difficult to determine, and many produced contents cannot determine the source of the contents and are distributed through the internet. Not only is the copyright difficult to solve, but also the junk information is not transmitted in a controlled manner on the internet. But the blockchain has the characteristic of traceability, the source of each piece of information can be traced back, valuable information content can be effectively protected, and people who send out junk information can be punished. However, at present, payment functions of digital creative contents (video, music, characters, pictures and the like) in a blockchain are realized on a central server, all the digital creative contents are stored in the central server, so that data leakage of the contents can be caused, and the copyright right cutting problem of the digital creative contents is difficult to solve.
Disclosure of Invention
The application aims to solve the technical problem of providing a payment method based on zero knowledge proof aiming at the defects of the prior art.
In order to solve the technical problems, the technical scheme adopted by the application is as follows:
a payment method based on zero knowledge proof, the method comprising:
detecting a creative data payment transaction by a target node, wherein the creative data payment transaction comprises a public key, and the target node is a blockchain node of a blockchain network;
the target node encrypts creative data corresponding to the creative data payment transaction based on the public key and submits the encrypted creative data to the blockchain network;
and synchronizing the encrypted creative data to a payment node corresponding to the creative data payment transaction through the blockchain network.
The payment method based on zero knowledge proof, wherein a target user corresponding to the target node is a copyright owner of the creative data, the target user is any user in the blockchain network, and the target node is node equipment for logging in the blockchain network by the target user.
The payment method based on zero knowledge proof, wherein the target node encrypts the creative data corresponding to the creative data payment transaction based on the public key specifically comprises the following steps:
the target node encrypts creative data corresponding to the creative data payment transaction under a chain of the blockchain network based on the public key.
The payment method based on zero knowledge proof, wherein after the encrypted creative data is synchronized to the payment node corresponding to the creative data payment transaction through the blockchain network, the method further comprises:
the payment node decrypts the encrypted creative data under the chain of the blockchain network based on a private key to obtain decrypted creative data, wherein the private key is local to the storage payment node and corresponds to the public key.
The payment method based on zero knowledge proof, wherein before the target node detects creative data payment transaction, the method comprises the following steps:
and submitting preview data corresponding to the creative data to the blockchain network by the target node, and deploying an intelligent contract on the blockchain network, wherein the intelligent contract is used for determining the profit amount of each of two profit parties.
The payment method based on zero knowledge proof, wherein after the encrypted creative data is synchronized to the payment node corresponding to the creative data payment transaction through the blockchain network, the method further comprises:
the blockchain network receives a payment node to submit a rating transaction;
and the blockchain network determines the income amount of the target node and the income amount of the payment node based on the intelligent contract and the payment amount corresponding to the creative data payment transaction and distributes the income amount and the income amount to the target node and the payment node.
The payment method based on zero knowledge proof, wherein the evaluation transaction is generated by a payment node under a chain of a blockchain network, and comprises the zero knowledge proof and an evaluation result, wherein the evaluation result is generated based on a value evaluation rule of preset creative data; the zero knowledge proof is generated based on the evaluation result.
The payment method based on zero knowledge proof, wherein the blockchain network determines the profit amount of the target node and the profit amount of the payment node based on the intelligent contract and the evaluation transaction and distributes the profit amount to the target node and the payment node specifically comprises the following steps:
the blockchain network verifies the zero knowledge proof;
and if the zero knowledge proof passes the verification, determining the income amount of the target node and the income amount of the payment node based on the intelligent contract and the evaluation transaction, and distributing the income amount to the target node and the payment node.
The payment method based on zero knowledge proof, wherein the blockchain network determining and distributing the profit amount of the target node and the profit amount of the payment node to the target node and the payment node based on the intelligent contract and the evaluation transaction comprises:
and if the zero knowledge proof fails to pass the verification, distributing the payment amount corresponding to the creative data payment transaction to the target node. The beneficial effects are that: compared with the prior art, the application provides a payment method based on zero knowledge proof, which comprises the steps that a target node detects creative data payment transaction, wherein the creative data payment transaction comprises a public key, and the target node is a blockchain node of a blockchain network; the target node encrypts creative data corresponding to the creative data payment transaction based on the public key and submits the encrypted creative data to the blockchain network; and synchronizing the encrypted creative data to a payment node corresponding to the creative data payment transaction through the blockchain network. According to the application, the creative data is encrypted under the chain, and then the encrypted creative data is submitted to the blockchain network and is sent to the payment node through the blockchain network, so that the data content of the creative data can be prevented from being revealed, and the safety of the creative data is improved.
Drawings
Fig. 1 is a flowchart of an embodiment of a payment method based on zero knowledge proof provided by the present application.
Fig. 2 is a schematic flow chart of another embodiment of a payment method based on zero knowledge proof provided by the present application.
Detailed Description
The application provides a payment method based on zero knowledge proof, which is used for making the purpose, the technical scheme and the effect of the application clearer and more definite, and the application is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. The term "and/or" as used herein includes all or any element and all combination of one or more of the associated listed items.
It will be understood by those skilled in the art that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The application will be further described by the description of embodiments with reference to the accompanying drawings.
The implementation provides a payment method based on zero knowledge proof, as shown in fig. 1, the method comprises the following steps:
s10, detecting creative data payment transaction by a target node, wherein the creative data payment transaction comprises a public key, and the target node is a blockchain node of a blockchain network.
Specifically, the creative data is content created by a target user corresponding to a target node, such as video, music, text, pictures, and the like, and the target user can submit the creative data to a blockchain network through the target node. It can be appreciated that the target user corresponding to the target node is a copyright owner of the creative data, the target user is any user in the blockchain network, and the target node is node equipment for logging in the blockchain network for the target user.
Further, the blockchain network may be a federation chain network, in which node devices may provide creative data use services to users, and users may obtain creative data from the node devices through creative data payment transactions, where the node devices may be pre-developed, and in the blockchain technology layer, the blockchain function modules, or blockchain software development kits (Software Development Kit, SDKs), are embedded in the node devices of the blockchain network. And at the service level, the user submits creative data to the blockchain network through the node equipment of the blockchain network.
In one implementation of this embodiment, as shown in fig. 2, before the target node detects the creative data payment transaction, the method includes:
and submitting preview data corresponding to the creative data to the blockchain network by the target node, and deploying an intelligent contract on the blockchain network, wherein the intelligent contract is used for determining the profit amount of each of two profit parties.
Specifically, the preview data corresponding to the creative data may be part of the content of the creative data, or may be a brief introduction of the creative data, and the preview data corresponds to the creative data one by one. It can be understood that the target user issues preview data read freely on the blockchain network, so that each node device on the blockchain network can acquire the preview data and view the content of the preview data, so that the user corresponding to each node device can determine that the creative data corresponding to the preview data needs to be acquired.
Further, the target node creates an intelligent contract within the blockchain network for determining a revenue amount for each of the two avatars after submitting the preview data to the blockchain network. Wherein the intelligent contract includes a maximum payment amount, a value rating rule for creative data, and a payment amount settlement rule. The intelligent contract is deployed in the blockchain network, and all node devices in the blockchain network can acquire the intelligent contract so as to know the maximum payment amount value evaluation rule and payment settlement rule corresponding to the creative data. It can be understood that the target user corresponding to the node device is the creator of the intelligent contract, that is, the target user corresponding to the node device is the manager of the intelligent contract. In addition, the maximum payment Fei E is an amount that a payment user corresponding to a payment node needs to pay when acquiring creative data, a value evaluation rule of the creative data is used for limiting the payment user to evaluate the creative data according to the value evaluation rule of the creative data, and a payment Fei E settlement rule is used for determining a distribution mode of the cost of the maximum payment amount of the payment user character between a target user (a creative data copyright owner) and the payment user.
Further, the creative data payment transaction submits a node device that wants to obtain the creative data to a blockchain network to obtain the creative data through the transaction, where the node device submitting the creative data payment transaction is denoted as a payment node. It will be appreciated that the payment node selects the desired creative data, issues a payment request to form a creative data payment transaction that includes a public key of the payment node and pays a payment for a maximum payment amount, and facilitates the target node encrypting the creative data based on the public key, the payment being stored within the blockchain network. In addition, the payment node stores the private key so as to encrypt creative data encrypted with the public key based on the private key. In one implementation of this embodiment, the payment node may send the creative data payment transaction to a contract address of an intelligent contract. Of course, it should be noted that the transaction (transfer) described in this specification refers to a piece of data that a user creates through a node device in a blockchain network and needs to be finally published to a distributed database in the blockchain network.
And S20, the target node encrypts the creative data corresponding to the creative data payment transaction based on the public key, and submits the encrypted creative data to the blockchain network.
Specifically, the target node obtains the creative data payment transaction through a blockchain network, obtains a public key in the creative data payment transaction, and encrypts the creative data based on the public key, wherein the process of encrypting the creative data by the target node is performed under the blockchain network. It will be appreciated that the destination node, after obtaining the public key, encrypts the creative data locally, so that only the destination node holds unencrypted creative data and the creative data published to the blockchain network is encrypted creative data. For each node device in the blockchain network, the node device can be synchronized to the public key for payment transaction of the creative data, and after the encrypted creative data is acquired, the encrypted creative data cannot be decrypted, so that the data content of the creative data is prevented from being revealed, and the safety of the creative data is improved. Further, in one possible implementation of this embodiment, the encrypted creative data may be sent to a contract address of an intelligent contract in a transactional manner to synchronize the encrypted creative data to a payment node via the intelligent contract.
S30, synchronizing the encrypted creative data to a payment node corresponding to the creative data payment transaction through the blockchain network.
Specifically, the payment node obtains the encrypted creative data through the blockchain network, and decrypts the encrypted creative data by adopting a private key stored locally, wherein the private key is stored locally in the payment node, and the decryption process of the encrypted creative data is performed under the chain of the blockchain network, so that the payment node storing the private key corresponding to the public key can obtain the decrypted creative data, and the decryption process is performed under the chain, so that the decryption of the creative data does not need to be synchronized to each node device in the blockchain network, and the security of the data content of the creative data is ensured.
In summary, the present embodiment provides a payment method based on zero knowledge proof, the method includes that a target node detects a creative data payment transaction, wherein the creative data payment transaction includes a public key, and the target node is a blockchain node of a blockchain network; the target node encrypts creative data corresponding to the creative data payment transaction based on the public key and submits the encrypted creative data to the blockchain network; and synchronizing the encrypted creative data to a payment node corresponding to the creative data payment transaction through the blockchain network. According to the application, the creative data is encrypted under the chain, and then the encrypted creative data is submitted to the blockchain network and is sent to the payment node through the blockchain network, so that the data content of the creative data can be prevented from being revealed, and the safety of the creative data is improved.
In one embodiment of the present application, after the synchronizing the encrypted creative data to the payment node corresponding to the creative data payment transaction through the blockchain network, the payment method based on the zero knowledge proof further includes:
the blockchain network receives a payment node to submit a rating transaction;
and the blockchain network determines the income amount of the target node and the income amount of the payment node based on the intelligent contract and the payment amount corresponding to the creative data payment transaction and distributes the income amount and the income amount to the target node and the payment node.
Specifically, the payment node acquires the value evaluation rule of the creative data while acquiring the creative data, and after enjoying the creative data, the received digital creative content can be evaluated based on the value evaluation rule of the creative content, and the evaluation result is sent to the blockchain network in a manner of evaluating transactions, so that the blockchain network determines the income amount of the target node and the income amount of the payment node based on the intelligent contract and the payment amount corresponding to the payment transactions of the creative data. In addition, in one possible implementation manner of this embodiment, after the payment node receives the creative data, the blockchain network may monitor that the payment node submits the rating transaction, if the payment node does not monitor that the payment node submits the rating transaction within a preset time, it may determine that the payment node does not evaluate the creative data, and distribute all the payment of the maximum payment amount paid by the payment node to the target node, and if the payment node is monitored that the payment node submits the rating transaction within the preset time, determine the profit amount of the target node and the profit amount of the payment node based on the payment amounts corresponding to the smart contract and the payment transaction of the creative data.
Further, the evaluation transaction is generated by a payment node under a chain of a blockchain network, the evaluation transaction comprises a zero knowledge proof and an evaluation result, wherein the evaluation result is generated based on a value evaluation rule of preset creative data; the zero knowledge proof is generated based on the evaluation result. The zero knowledge proof is used for proving that the evaluation result is generated according to the value assessment of the preset creative data, and the evaluation result is verified based on the zero knowledge proof in the blockchain network, so that on the premise of not revealing the creative data, the evaluation result is proved to be according to the value assessment of the preset creative data, and the effectiveness and the authenticity of the evaluation result are guaranteed.
In one possible implementation manner of this embodiment, as shown in fig. 2, the determining, by the blockchain network, the profit amount of the target node and the profit amount of the payment node based on the smart contract and the evaluation transaction, and distributing the profit amount to the target node and the payment node specifically includes:
the blockchain network verifies the zero knowledge proof;
if the zero knowledge proof passes the verification, determining the income amount of the target node and the income amount of the payment node based on the intelligent contract and the evaluation transaction, and distributing the income amount to the target node and the payment node;
if the zero knowledge proof is not verified, distributing the payment amount corresponding to the creative data payment transaction to the target node
Specifically, the zero-knowledge proof is generated according to a pre-configured zero-knowledge proof generating circuit, wherein the generating circuit is constructed under a chain and a proof structure poof can be generated by the generating circuit. In this embodiment, the generation circuit corresponding to the zero knowledge proof is a circuit formed by an algorithm generated according to a value evaluation rule of creative data i When the evaluation result is input to the generation circuit, a zero knowledge proof for proving that the evaluation result is generated based on the value evaluation rule of the preset creative data can be generated, wherein the triggering condition of the generation circuit corresponding to the zero knowledge proof is that the payment user corresponding to the payment node generates the evaluation result based on the value evaluation rule of the preset creative data, namely when the payment user generates the evaluation result based on the value evaluation rule of the preset creative data, the generation interface of the generation circuit corresponding to the zero knowledge proof is triggered and called, and the evaluation result is transmitted to generate the zero knowledge proof. Thus, zero knowledge proof is adopted as proof of evaluation result, the evaluation process of the data content of the creative data can not be given, and the leakage of the creative data can be prevented. Of course, it is worth noting that the target node device converts the user information verification process into a zero knowledge proof, and each node device in the blockchain network believes that the evaluation result is generated based on the value evaluation rule of the preset creative data based on the zero knowledge proof.
Further, after the blockchain network verifies the zero knowledge proof, if a dishonest verification result appears, the verification cannot be passed, and payment (temporarily placed in the blockchain network) of the payment user corresponding to the payment node is paid to the target user in full. And if the verification proves that the verification result is passed, carrying out payment Fei E settlement distribution rules in the intelligent contract on payment of the payment user corresponding to the payment node according to the evaluation result, dividing the payment to determine the profit amount of the target node and the profit amount of the payment node, paying the fee corresponding to the profit amount of the target node to the target user, and paying the fee corresponding to the profit amount of the payment node to the payment user. Wherein the payment Fei E settlement distribution rules can match the rating results of the payment users with rating results grades, and distribute payment according to the matched grades. For example, if the evaluation result is level 1, the payment user acquires 50%; the evaluation result is level 2, the payment user obtains 40%, and the evaluation result is level 3, the payment user obtains 20%; and if the evaluation result is level 4, the payment user acquires 10 percent and the like. Therefore, payment is divided according to the evaluation result, the payment user can be promoted to give reasonable and real evaluation, malicious evaluation of the payment user is avoided, and the authenticity of evaluation of the creative data is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. A payment method based on zero knowledge proof, the method comprising:
detecting a creative data payment transaction by a target node, wherein the creative data payment transaction comprises a payment node public key, and the target node is a blockchain node of a blockchain network;
the target node encrypts creative data corresponding to the creative data payment transaction based on the public key of the payment node, and submits the encrypted creative data to the blockchain network;
synchronizing the encrypted creative data to a payment node corresponding to the creative data payment transaction through the blockchain network;
receiving, by the blockchain network, the payment node submitting a rating transaction; the evaluation transaction is generated by the payment node under a chain of a blockchain network, and the evaluation transaction comprises zero knowledge proof and evaluation result;
wherein the evaluation result is generated based on a value evaluation rule of preset creative data; the zero knowledge proof is generated based on the evaluation result, and specifically comprises the following steps:
when the evaluation result is input to a pre-configured zero knowledge proof generating circuit, generating the zero knowledge proof for proving that the evaluation result is generated based on a value evaluation rule of the preset creative data; the pre-constructed zero knowledge proof generating circuit is a circuit formed by an algorithm generated according to the value evaluation rule of the preset creative data.
2. The zero knowledge proof-based payment method according to claim 1, wherein the target user corresponding to the target node is a copyright owner of the creative data, the target user is any user in the blockchain network, and the target node is a node device for the target user to log in the blockchain network.
3. The payment method based on zero knowledge proof according to claim 1, wherein the target node encrypts creative data corresponding to the creative data payment transaction based on the payment node public key specifically comprises:
the target node encrypts creative data corresponding to the creative data payment transaction under a chain of the blockchain network based on the payment node public key.
4. The zero-knowledge proof-based payment method of claim 1, wherein after synchronizing the encrypted creative data to the payment node corresponding to the creative data payment transaction via the blockchain network, the method further comprises:
the payment node decrypts the encrypted creative data under the chain of the blockchain network based on a private key to obtain decrypted creative data, wherein the private key is local to the storage payment node and corresponds to the public key of the payment node.
5. The zero-knowledge proof-based payment method of claim 1, wherein prior to the target node detecting the creative data payment transaction, the method comprises:
and submitting preview data corresponding to the creative data to the blockchain network by the target node, and deploying an intelligent contract on the blockchain network, wherein the intelligent contract is used for determining the profit amount of each of two profit parties.
6. The zero-knowledge proof-based payment method of claim 5, wherein after synchronizing the encrypted creative data to the payment node corresponding to the creative data payment transaction via the blockchain network, the method further comprises:
and the blockchain network determines the income amount of the target node and the income amount of the payment node based on the intelligent contract and the payment amount corresponding to the creative data payment transaction and distributes the income amount and the income amount to the target node and the payment node.
7. The zero knowledge proof based payment method of claim 6, wherein the blockchain network determining and distributing the target node and the payment node based on the smart contract and the evaluation transaction comprises:
the blockchain network verifies the zero knowledge proof;
and if the zero knowledge proof passes the verification, determining the income amount of the target node and the income amount of the payment node based on the intelligent contract and the evaluation transaction, and distributing the income amount to the target node and the payment node.
8. The zero knowledge proof based payment method of claim 6, wherein the blockchain network determining and distributing the target node and the payment node of the target node based on the smart contract and the evaluation transaction comprises:
and if the zero knowledge proof fails to pass the verification, distributing the payment amount corresponding to the creative data payment transaction to the target node.
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