CN108711051B - Intellectual property trading sharing platform and method based on block chain - Google Patents
Intellectual property trading sharing platform and method based on block chain Download PDFInfo
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Abstract
The invention discloses an intellectual property trading sharing platform and method based on a block chain, wherein the platform comprises an intellectual property trading sharing platform, a cloud storage, an intelligent contract and the block chain, wherein the intellectual property trading sharing platform is used for a user to carry out visual operation and realize personal related information management, intellectual property information inquiry and trading functions of the user; the cloud storage uses a cloud computing technology to store the known product of the user and generate corresponding data fingerprints; the intelligent contract is used for monitoring the known yield transaction state and setting corresponding subsequent operation aiming at different states; the blockchain uses a consensus mechanism and an encryption algorithm to perform distributed storage on the commodity knowledge data fingerprint information and the commodity knowledge transaction information. The technical scheme can ensure that the online intellectual property transaction has high safety and reliability, and the related electronic evidence can be extracted from the platform to maintain the legal rights and interests of the user when legal disputes occur.
Description
Technical Field
The invention relates to an intellectual property sharing method, in particular to an intellectual property trading sharing platform and method based on a block chain.
Background
With the rapid development of computer technology, information technology, internet technology and communication technology, the existing internet platform is difficult to guarantee the intellectual property of users, so that the intellectual property owners are difficult to obtain due benefits through the works created by the owners, and once the intellectual property works are uploaded to the network, the infringement problem is faced, and the adverse situation that the proof cannot be raised when the rights are infringed is faced.
Disclosure of Invention
The invention aims to provide an intellectual property transaction sharing platform and method based on a block chain, so that online intellectual property transaction has high safety and reliability, and related electronic evidence can be extracted from the platform to maintain legal rights and interests of users when legal disputes occur.
In order to achieve the above purpose, the solution of the invention is:
an intellectual property trading sharing platform based on a block chain comprises the intellectual property trading sharing platform, a cloud storage, an intelligent contract and the block chain, wherein the intellectual property trading sharing platform is used for a user to perform visual operation, and the functions of personal related information management, intellectual property information inquiry and trading of the user are achieved; the cloud storage uses a cloud computing technology to store the known product of the user and generate corresponding data fingerprints; the intelligent contract is used for monitoring the known yield transaction state and setting corresponding subsequent operation aiming at different states; the blockchain uses a consensus mechanism and an encryption algorithm to perform distributed storage on the commodity knowledge data fingerprint information and the commodity knowledge transaction information.
The intellectual property trading sharing platform comprises an account management module, a platform tradeable intellectual property information module and a personal intellectual property trading query module, wherein the account management module is used for providing personal related information management for a user, and the platform tradeable intellectual property information module is used for the user to query all tradeable intellectual property related information of the platform and carry out trading; the personal intellectual property transaction inquiry module is used for inquiring the intellectual property transaction process of the individual by the user and inquiring and managing the intellectual property of the individual needing transaction.
The account management module comprises personal information management, department awareness management and wallet management; the personal information management comprises the management of a user name, a login password, a mobile phone number and a transaction password by the user; the known production management comprises the functions of uploading known production information, deleting known production information, checking known production information and trading and pricing known production information; the wallet management comprises the functions of binding a bank card by a user, inquiring balance and recharging.
The cloud storage comprises a user cloud account management module, a data fingerprint generation module and a storage module, wherein the user cloud account management module is used for generating a corresponding account address according to personal information input by a user through the intellectual property transaction sharing platform and allocating an initial storage space; the data fingerprint generating module is used for generating corresponding data fingerprints according to the known original information by using an algorithm and forwarding the corresponding data fingerprints to the block chain; the storage module is used for storing the original known production information uploaded by the user and the corresponding data fingerprint information.
The block chain comprises a known product data fingerprint storage chain and a known product transaction record chain, wherein the known product data fingerprint storage chain comprises known product owner identity related information, known product data fingerprints and uploading time, and the known product transaction record chain comprises known product seller account information, known product buyer account information, known product transaction types, known product data fingerprint information and known product transaction price information.
The intelligent contract keeps background operation, polls whether the known product in the known product data fingerprint storage chain can be traded, if the intelligent contract judges that the known product information can be traded, the user can conduct trading operation on the known product, then registers the related trading information of the known product to a platform tradeable known product information module of the intellectual property trading sharing platform, and the known product information can be traded by the user.
The intellectual property trading sharing method based on the intellectual property trading sharing platform based on the block chain realizes the function of storing the known product information and comprises the following steps:
step S201: a user inputs real-name information registration account through an intellectual property transaction sharing platform;
step S202: the cloud storage generates a corresponding cloud account address according to the real name information registered by the user and associates the registration information of the user;
step S203: the user uploads the intellectual property works to the cloud storage through the intellectual property trade sharing platform;
step S204: the cloud storage stores the known production works to corresponding cloud account addresses and generates data fingerprints of the corresponding known production works;
step S205: and sending the known production data fingerprint information and the information capable of identifying the user identity to a block chain, and packaging the known production data fingerprint information and the latest historical transaction information of the known production by using a block chain technology to generate a known production data fingerprint storage chain.
In the step S201, the new user inputs real-name information through the intellectual property transaction sharing platform to register an account, the platform accesses the third-party identity verification platform to verify the authenticity of the user identity information, the step S202 is performed after verification is passed, and if the user does not input the relevant real identity information again, the user is prompted to input the relevant real identity information.
The intellectual property trading sharing method based on the intellectual property trading sharing platform based on the block chain realizes the function of registering the known product information, and comprises the following steps:
step S301: the intelligent contract is started to judge whether the known product works can be traded or not;
step S302: after the user selects the tradeable known product works for pricing and selects the trading category, the related trading information of the known products is registered to the platform tradeable known product information module of the intellectual property trading sharing platform;
step S303: and the intellectual property transaction sharing platform displays the intellectual property related transaction information pushed by the intelligent contract for the user to inquire and transact.
The intellectual property trading sharing method based on the intellectual property trading sharing platform based on the block chain realizes the function of trading the intellectual property information, and comprises the following steps:
step S401: the known product seller user selects a known product to be purchased, and the platform generates a transaction initial record and stores the transaction initial record into a known product transaction record chain in the blockchain;
step S402: the intelligent contract starts a polling known product transaction record chain to inquire whether a known product seller of the known product transaction receives a transfer transaction record of a known product buyer or not;
step S403: if the transfer transaction record of the buyer is known, the intelligent contract judges the transaction type and automatically executes the preset operation according to the transaction type.
After the scheme is adopted, the known product works of the users are stored through cloud storage, the identification information of the known products is generated by using an algorithm to generate data fingerprints and stored in the block chain, the block chain can safely store the information, and effective information can be extracted to serve as evidence to maintain the user rights and interests when legal disputes of the known products occur. Through the platform, a user can also carry out legal transaction on own known products to obtain proper benefits, and transaction records are stored in the blockchain to ensure that the transaction records cannot be tampered. The invention can ensure that the user can carry out safe commodity-knowing transaction, not only can protect the intellectual property of the user, but also can promote the sharing of the commodity-knowing result.
Drawings
FIG. 1 is a schematic diagram of a shared platform according to the present invention;
FIG. 2 is a schematic diagram of a process for storing commodity information according to the sharing method of the present invention;
FIG. 3 is a schematic diagram of a process of registering intellectual property information in the sharing method of the present invention;
FIG. 4 is a schematic diagram of a transaction flow of intellectual property information of the sharing method of the present invention.
Detailed Description
The technical solution and the advantages of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides an intellectual property trading sharing platform based on a block chain, which includes an intellectual property trading sharing platform, a cloud storage, an intelligent contract and a block chain, which are respectively described below.
The intellectual property trade sharing platform is used for visual operation of a user and specifically comprises an account management module, a platform tradeable intellectual property information module and a personal intellectual property trade inquiry module; wherein:
the account management module is used for providing personal related information management for the user, and specifically comprises personal information management, intellectual property management and wallet management; the personal information management comprises the management of a user on information such as a user name, a login password, a mobile phone number, a transaction password and the like; the known production management comprises functions of known production information uploading, known production information deleting, known production information checking, known production information transaction pricing and the like; the wallet management comprises the functions of binding a bank card by a user, inquiring balance, recharging and the like;
the platform tradeable commodity information module is used for a user to inquire all tradeable commodity information of the platform and can trade;
the personal intellectual property transaction inquiry module is used for inquiring the intellectual property transaction process of the individual by the user and inquiring and managing the intellectual property of the individual needing transaction.
The cloud storage uses a cloud computing technology to store known products of users and generate corresponding data fingerprints, and cloud storage hardware is mainly controlled by m authoritative certification authorities and performs distributed storage on data and specifically comprises a user cloud account management module, a data fingerprint generation module and a storage module; wherein,
the user cloud account management module is used for generating a corresponding account address according to personal information input by a user through the intellectual property transaction sharing platform and allocating an initial storage space, and then the user can purchase the storage space according to the self requirement;
the data fingerprint generating module is used for generating corresponding data fingerprints according to the known original information by using an algorithm and forwarding the corresponding data fingerprints to the block chain;
the storage module is used for storing the original known production information uploaded by the user and the corresponding data fingerprint information.
The intelligent contract is used for monitoring the known production transaction state and setting corresponding follow-up operation aiming at different states, and specifically comprises the following conditions:
A. the intelligent contract date runs in the background all the time, polls whether the known product in the known product data fingerprint storage chain can be traded or not, specifically judges according to the historical trading information of the known product, if the intelligent contract judges that the known product information can be traded, the user can conduct trading operation on the known product work, then registers the related trading information of the known product to a platform tradeable known product information module of the intellectual property trade sharing platform, and the known product information can be traded by the user;
B. when the known production information is traded, starting a known production information trading process of the intelligent contract, wherein the process specifically comprises the following steps:
1) generating a transaction initial record of the known yield information (comprising known yield information sellers, known yield information buyers and known yield data fingerprint information);
2) the intelligent contract polls the known yield transaction record chain whether the corresponding known yield information seller has an asset increase record of the known yield information;
3) if yes, performing transaction type identification: if the transaction type is transfer, copying and forwarding the corresponding original contents of the known commodity from the seller account in the cloud storage to the cloud storage account of the buyer, deleting the known commodity transaction information in a platform transactable known commodity information module of the intellectual property transaction sharing platform, and limiting the seller account to transact the known commodity information again; and if the transaction type is purchase, copying the corresponding known original content from the account of the seller in the cloud storage, and forwarding the copied copy to the account of the buyer.
The block chain uses a consensus mechanism and an encryption algorithm to perform distributed storage on the known production data fingerprint information and the known production transaction information, and specifically comprises a known production data fingerprint storage chain and a known production transaction record chain; wherein:
the known production data fingerprint storage chain comprises information such as identity related information (user real name, user name, account information and the like) of a known production owner, known production data fingerprints and uploading time;
the known yield transaction record chain comprises known yield seller account information, known yield buyer account information, known yield transaction category, known yield data fingerprint information, known yield transaction price information and the like.
The invention also provides an intellectual property transaction sharing method based on the block chain, and the following describes in detail how the platform transacts the known product on the premise of ensuring the validity and the safety of the intellectual property of the user according to the attached drawings.
As shown in fig. 2, the process of storing known production information includes the following steps:
step S201: the user inputs related real name information such as name, identification card number and the like to register an account through the intellectual property transaction sharing platform.
The new user inputs related real name information such as name, identification card number and the like through the intellectual property trade sharing platform to register an account, the platform is accessed into a third-party identity verification platform to verify the authenticity of the user identity information, the step S202 is carried out after verification is passed, and if the verification is not passed, the user is reminded to input related real identity information again.
Step S202: and the cloud storage generates a corresponding cloud account address according to the real name information registered by the user and associates the registration information of the user.
The cloud storage establishes a cloud account address for the user who successfully registers and allocates a corresponding storage space, and then the user can purchase the storage space according to the own requirement, and the cloud account address is associated with the registration identity information of the user, so that the user can directly access the storage space through an account management module of the intellectual property transaction sharing platform.
Step S203: and the user uploads the intellectual property works to the cloud storage through the intellectual property trade sharing platform.
And uploading the intellectual property works to a cloud terminal for storage through the intellectual property management in the account management module of the intellectual property transaction sharing platform.
Step S204: and the cloud storage stores the known product to the corresponding cloud account address and generates the data fingerprint of the corresponding known product.
The cloud end stores the data fingerprints of the known product generated by the data fingerprint generation module, then stores the known product and the corresponding data fingerprints to the storage module of the corresponding user cloud end account address, and executes the step S205.
Step S205: and sending the known production data fingerprint information and the information capable of identifying the user identity to a block chain, and packaging the known production data fingerprint information and the latest historical transaction information of the known production by using a block chain technology to generate a known production data fingerprint storage chain.
The latest historical transaction information of the known yield refers to the latest historical transaction information of the known yield, which is acquired from a known yield transaction record chain according to the known yield data fingerprint information and specifically comprises the transaction type of the known yield, the known yield seller information and the known yield buyer information. And packaging the latest historical transaction information of the known production, the fingerprint information of the known production data and the information capable of identifying the identity of the user together by using a block chain technology to generate a fingerprint storage chain of the known production data.
As shown in fig. 3, the process of registering the known production information includes the following steps:
step S301: the intelligent contract A starts to judge whether the known product can be traded.
The intelligent contract A polls a known product data fingerprint storage chain, when new known product data fingerprint information is stored in, whether the known product work can be traded or not is judged, and if the known product work can be traded, the known product can be operated by a user before trading.
Preferably, the intelligent contract a is judged according to the historical transaction information of the known yield, and the specific conditions are as follows:
judging that the known product can be traded if the latest historical trading information of the known product is not traded;
and if the latest historical transaction information of the known commodity is transfer or purchase, comparing the user identity information of the known commodity in the known commodity data fingerprint storage chain with the identity information of the known commodity seller and the known commodity buyer in the historical transaction information. If the user identity information of the known product in the data fingerprint storage chain for transferring and known product is consistent with the buyer identity information of the known product in the historical transaction information, the transaction can be carried out; if the user identity information of the known product in the data fingerprint storage chain for the purchase and the known product is consistent with the known product seller information in the historical transaction information, the purchase and the known product can be transacted.
Step S302: after the user selects the known product which can be traded for pricing and selects the trading category, the related trading information of the known product is registered to the platform tradeable known product information module of the intellectual property trading sharing platform.
After the user completes the operations of pricing the tradeable known product and selecting the trading category, the intelligent contract A automatically registers the relevant trading information of the known product to the platform tradeable known product information module of the intellectual property trading sharing platform.
Step S303: and the intellectual property transaction sharing platform displays the known property related transaction information pushed by the intelligent contract A for the user to inquire the transaction.
And a platform tradeable intellectual property trade information module of the intellectual property trade sharing platform displays the new intellectual property trade information pushed by the intelligent contract A, and a user can trade the intellectual property trade information.
Fig. 4 shows a known production information transaction flow, which includes the following steps:
step S401: the user of the informed product seller selects the informed product to be purchased, and the platform generates a transaction initial record to be stored in an informed product transaction record chain in the blockchain.
Step S402: the intelligent contract B starts a polling known product transaction record chain to inquire whether the known product seller related to the known product transaction receives the transfer transaction record of the known product buyer.
When the informed buyer performs transfer operation, a corresponding transfer informed commodity transaction record is generated, and when the initial transaction record is generated, the intelligent contract B starts to poll whether the informed commodity transaction record chain is related to the transfer informed commodity transaction record of the informed commodity.
Step S403: if the transfer transaction record of the buyer is known, the intelligent contract B judges the transaction type and automatically executes the preset operation according to the transaction type.
When the transfer record of the known buyer is inquired, the intelligent contract B executes different subsequent operations according to the transaction types, and the operations specifically comprise the following operations:
if the transaction type is transfer, the intelligent contract B copies the corresponding content of the known product from the cloud account of the known product seller to the cloud account of the known product buyer, and deletes the corresponding transaction information in the platform tradeable known product information module of the intellectual property transaction sharing platform.
And if the transaction type is purchasing, copying the corresponding content of the known product from the cloud account of the known product seller to send the copied content of the known product to the cloud account of the known product buyer by the intelligent contract B.
In summary, the intellectual property transaction sharing platform and method based on the block chain can provide a cloud account for a user to store a known product file, and extract data fingerprint information of the known product file by using an algorithm to store the data fingerprint information into a known product data fingerprint storage chain in the block chain, so as to ensure that the known product file is not maliciously tampered. The user can upload the original known product works of the user through the platform and mark the value of the original known product works for transaction, the intelligent contract monitors the whole process of the known product transaction, and all transaction processes are recorded in a known product transaction record chain in a block chain, so that unnecessary infringement disputes in the transaction process can be avoided; in addition, the block chain in the invention is an alliance chain and consists of m authoritative certification authority nodes, so that the block chain has the non-tamper property and a certain legal effect, and the legal benefit of the intellectual property of the user can be greatly protected.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention.
Claims (6)
1. A sharing method of an intellectual property trade sharing platform based on a block chain is characterized in that:
the sharing platform comprises an intellectual property trading sharing platform, a cloud storage, an intelligent contract and a block chain, wherein the intellectual property trading sharing platform is used for carrying out visual operation on a user and realizing personal related information management, intellectual property information inquiry and trading functions of the user; the cloud storage uses a cloud computing technology to store the known product of the user and generate corresponding data fingerprints; the intelligent contract is used for monitoring the known yield transaction state and setting corresponding subsequent operation aiming at different states; the block chain uses a consensus mechanism and an encryption algorithm to perform distributed storage on the known production data fingerprint information and the known production transaction information;
the intelligent contract keeps running in a background, polls whether the known product in the known product data fingerprint storage chain can be traded, if the intelligent contract judges that the known product information can be traded, the user can conduct trading operation on the known product work, then registers the related trading information of the known product to a platform tradeable known product information module of the intellectual property trading sharing platform, and the known product information can be traded by the user;
the sharing method realizes the function of storing the known product information and comprises the following steps:
step S201: a user inputs real-name information registration account through an intellectual property transaction sharing platform;
step S202: the cloud storage generates a corresponding cloud account address according to the real name information registered by the user and associates the registration information of the user;
step S203: the user uploads the intellectual property works to the cloud storage through the intellectual property trade sharing platform;
step S204: the cloud storage stores the known production works to corresponding cloud account addresses and generates data fingerprints of the corresponding known production works;
step S205: sending the known production data fingerprint information and information capable of identifying the user identity to a block chain, and packaging the known production data fingerprint information and the latest historical transaction information of the known production by using a block chain technology to generate a known production data fingerprint storage chain;
the sharing method realizes the function of the known product information transaction, and comprises the following steps:
step S401: the known product seller user selects a known product to be purchased, and the platform generates a transaction initial record and stores the transaction initial record into a known product transaction record chain in the blockchain;
step S402: the intelligent contract starts a polling known product transaction record chain to inquire whether a known product seller of the known product transaction receives a transfer transaction record of a known product buyer or not;
step S403: if the transfer transaction record of the buyer is known, the intelligent contract judges the transaction type and automatically executes the predetermined operation according to the transaction type; when the transfer record of the known buyer is inquired, the intelligent contract executes different subsequent operations according to the transaction types, and the method specifically comprises the following operations: firstly, if the transaction type is transfer, the intelligent contract copies corresponding content of the known product from a cloud account of a known product seller to send the copied content to a cloud account of a known product buyer, and deletes corresponding transaction information in a platform tradeable known product information module of the intellectual property trading sharing platform;
if the transaction type is purchasing, the intelligent contract only copies one part of corresponding content of the known product from the cloud account of the known product seller and sends the copy of the content of the known product to the cloud account of the known product buyer;
the method for realizing the known production information registration function comprises the following steps:
step S301: the intelligent contract is started to judge whether the known product works can be traded or not; the intelligent contract A polls a known product data fingerprint storage chain, when new known product data fingerprint information is stored in, whether the known product work can be traded or not is judged, if the known product work can be traded, the known product can be operated by a user before trading, and the intelligent contract judges according to the historical trading information of the known product, wherein the specific conditions are as follows: judging that the known product can be traded if the latest historical trading information of the known product is not traded; and if the latest historical transaction information of the known commodity is transfer or purchase, comparing the user identity information of the known commodity in the known commodity data fingerprint storage chain with the identity information of the known commodity seller and the known commodity buyer in the historical transaction information. If the user identity information of the known product in the data fingerprint storage chain for transferring and known product is consistent with the buyer identity information of the known product in the historical transaction information, the transaction can be carried out; if the user identity information of the known product in the data fingerprint storage chain for the purchase and the known product is consistent with the known product seller information in the historical transaction information, the purchase and the known product can be transacted. Step S302: after the user selects the tradeable known product works for pricing and selects the trading category, the related trading information of the known products is registered to the platform tradeable known product information module of the intellectual property trading sharing platform; step S303: and the intellectual property transaction sharing platform displays the intellectual property related transaction information pushed by the intelligent contract for the user to inquire and transact.
2. The method of claim 1, wherein: the intellectual property trading sharing platform comprises an account management module, a platform tradeable intellectual property information module and a personal intellectual property trading query module, wherein the account management module is used for providing personal related information management for a user, and the platform tradeable intellectual property information module is used for the user to query all tradeable intellectual property related information of the platform and carry out trading; the personal intellectual property transaction inquiry module is used for inquiring the intellectual property transaction process of the individual by the user and inquiring and managing the intellectual property of the individual needing transaction.
3. The method of claim 2, wherein: the account management module comprises personal information management, department awareness management and wallet management; the personal information management comprises the management of a user name, a login password, a mobile phone number and a transaction password by the user; the known production management comprises the functions of uploading known production information, deleting known production information, checking known production information and trading and pricing known production information; the wallet management comprises the functions of binding a bank card by a user, inquiring balance and recharging.
4. The method of claim 1, wherein: the cloud storage comprises a user cloud account management module, a data fingerprint generation module and a storage module, wherein the user cloud account management module is used for generating a corresponding account address according to personal information input by a user through the intellectual property transaction sharing platform and allocating an initial storage space; the data fingerprint generating module is used for generating corresponding data fingerprints according to the known original information by using an algorithm and forwarding the corresponding data fingerprints to the block chain; the storage module is used for storing the original known production information uploaded by the user and the corresponding data fingerprint information.
5. The method of claim 1, wherein: the block chain comprises a known product data fingerprint storage chain and a known product transaction record chain, wherein the known product data fingerprint storage chain comprises known product owner identity related information, known product data fingerprints and uploading time, and the known product transaction record chain comprises known product seller account information, known product buyer account information, known product transaction types, known product data fingerprint information and known product transaction price information.
6. The method of claim 1, wherein: in the step S201, the new user inputs real-name information through the intellectual property transaction sharing platform to register an account, the platform accesses the third-party identity verification platform to verify the authenticity of the user identity information, the step S202 is performed after verification is passed, and if the verification is not passed, the user is prompted to input relevant real identity information again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810416712.XA CN108711051B (en) | 2018-05-03 | 2018-05-03 | Intellectual property trading sharing platform and method based on block chain |
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| CN201810416712.XA CN108711051B (en) | 2018-05-03 | 2018-05-03 | Intellectual property trading sharing platform and method based on block chain |
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| CN108711051A CN108711051A (en) | 2018-10-26 |
| CN108711051B true CN108711051B (en) | 2021-09-14 |
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| CN111444479B (en) * | 2018-12-29 | 2024-05-14 | 北京奇虎科技有限公司 | A digital fingerprint ownership verification method and system |
| CN109886045B (en) * | 2019-02-15 | 2020-11-03 | 北京工业大学 | Intellectual property data protection, transaction and right-maintaining method and device based on block chain |
| RU2702976C1 (en) * | 2019-03-18 | 2019-10-14 | Виктор Владимирович Лахтин | Intellectual property management system - intellectual property blockchain platform |
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| CN111566691A (en) * | 2019-09-20 | 2020-08-21 | 钟山 | Intellectual property value management and operation method, device, medium and computing equipment |
| CN112084175B (en) * | 2020-04-06 | 2024-03-29 | 南京大学 | Novel intellectual property transaction system and index evaluation system based on blockchain and big data technology |
| CN111553794A (en) * | 2020-04-08 | 2020-08-18 | 中振区块链(深圳)有限公司 | Intellectual property trading sharing platform and method based on block chain |
| US20210319526A1 (en) * | 2020-04-09 | 2021-10-14 | Tectonic Technology Innovation Company Limited | System and method for time stamping and transferring intellectual property right |
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| CN111680101A (en) * | 2020-05-11 | 2020-09-18 | 中振区块链(深圳)有限公司 | Intellectual property data protection, transaction and maintenance system and method based on block chain |
| CN111898112B (en) * | 2020-07-15 | 2022-04-08 | 浙江甬恒科技有限公司 | Intellectual property trading platform based on block chain technology |
| CN111833188B (en) * | 2020-07-17 | 2024-03-22 | 辽宁大学 | Non-contact intellectual property right changing method based on intelligent contract |
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