CN117527189A - Method for realizing compliance on real asset chain - Google Patents

Method for realizing compliance on real asset chain Download PDF

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Publication number
CN117527189A
CN117527189A CN202410011197.2A CN202410011197A CN117527189A CN 117527189 A CN117527189 A CN 117527189A CN 202410011197 A CN202410011197 A CN 202410011197A CN 117527189 A CN117527189 A CN 117527189A
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organization
asset
real
compliance
audit
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杨山河
杨绵绵
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Guangzhou Yuezhi Computer Co ltd
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Guangzhou Yuezhi Computer Co ltd
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Publication of CN117527189A publication Critical patent/CN117527189A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G06F16/2379—Updates performed during online database operations; commit processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
    • 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
    • G06Q20/3825—Use of electronic signatures
    • 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
    • G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
    • 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
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/06—Asset management; Financial planning or analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Computer Security & Cryptography (AREA)
  • Theoretical Computer Science (AREA)
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Abstract

The invention discloses a method for realizing compliance on a real asset chain, which generally issues non-homogeneous tokens on a blockchain for a unit organization (called a project party) with ownership or operation right production of assets so as to correspondingly express certain real social assets, and the compliance on a digital encryption chain of the assets of the real society is realized through adding issuer description information of the assets, audit information of audit organizations and expression on a legal department statement opinion chain in a certification contract, so that the audit, proving, endorsement and supervision of the assets are realized, the change of the real assets is reflected, and the information transparency of investors for knowing the assets is enhanced.

Description

Method for realizing compliance on real asset chain
Technical Field
The invention relates to the technical field of blockchains, in particular to a method for realizing compliance on a real asset chain of assets in the real world expressed by a blockchain non-homogeneous universal certification technology.
Background
The prior blockchain heterogeneous universal certificate technology issues asset universal certificates which are often virtual digital assets on a pure chain, so that good on-chain technical expression of offline real assets is not carried out at present, a flowing universal certificate is carried by what real social assets are, and the trust degree of the assets is enhanced by endorsements of trusted social institutions, so that the acceptance and flowability of the assets and better value evaluation are facilitated, and a set of methods which are easy to operate, safe and effective are needed at present, so that law and audit organizations can participate in examination and endorsements of the assets on the blockchain.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a safe and effective implementation method for realizing compliance on a real asset chain, and helps law and audit organizations to participate in examination and endorsement of assets on a blockchain.
The method comprises the steps that a contract administrator deploys a compliance examination organization multi-signature intelligent contract and an STO through certificate intelligent contract on a blockchain on behalf of a project operator, and issues real asset reality description information to a distributed storage network by using a compliance function and an asset compliance event of the STO through certificate intelligent contract on the blockchain called by the multi-signature intelligent contract, after the STO through certificate of a real asset is issued on the chain, a file of the real description information is written into the STO through certificate statement description attribute, the contract administrator initially combines a compliance examination organization voting decision maker public key, the voting decision maker signs and uploads the compliance examination file of the real asset to the distributed storage network, and the hash of the compliance examination file is written into the real asset non-homogeneous through certificate statement description attribute of the STO through certificate by using the multi-signature intelligent contract.
Further, the project operator publishes and stores the real description information of the real asset in a distributed storage network in a data exchange format, and writes the STO pass statement description attribute published on the blockchain.
Further, the project side initialization setting organization comprises an audit organization, a legal organization and a supervision organization, and the initialized statement description attribute of the compliance audit organization on the asset can be written into and controlled by the multi-signature intelligent contract representing the audit organization, the legal organization and the supervision organization.
Further, the audit organization submits the audit report file of the real asset, the audit organization signs the audit report file and issues the audit report file to the distributed storage file, the file hash of the audit report file is recorded in the asset non-homogeneous pass, and the audit report file of the real asset can be read to the file hash through the intelligent contract.
Furthermore, the legal organization submits the compliance legal endorsement information of the asset, the legal organization signs the legal opinion document electronic file and issues the legal opinion document electronic file in the distributed storage file, the file hash is recorded in the asset non-homogeneous pass, and the legal opinion document electronic file of the real asset can be read to the file hash through the intelligent contract.
Furthermore, the intelligent contracts of the compliance examination organization are multi-signature contracts, the multi-signature contracts can carry out the disciplinary description on the disciplinary expression of the real assets, and the examination and approval examination flow is carried out through the STO disciplinary intelligent contracts, so that the audit, legal organization and supervision organization in the real society can participate in the asset release and the asset description through the digital encryption technology.
Furthermore, the auditing of the real assets or the multi-contract of legal organization can be replaced by a method of signing the authenticated intelligent contract together by the organization and the project operator.
Further, the multi-signature contract multi-signer of each organization performs signature behavior voting according to the principle that more than half of signature majority will is satisfied;
the signing authority of the multi-signature contract is a collection of multi-public key organizations, and the addition, deletion and replacement of collection elements of the signing authority need the multi-signature operation performed by the multi-signature contract signing authority, and the operation of the signing authority is ensured to follow the principle of minority compliance and majority willingness.
Further, the project operator can show the audit, legal and supervision organization of the real asset on the issuing chain by setting contract addresses of the audit organization, legal organization and supervision organization.
Further, the issued STO pass can be issued and traded in the decentralized exchange, and the supervision organization can effectively supervise.
The invention tries to enable social organizations such as audit, law and the like to participate in real social asset uplink in an encryption technology mode, prevents private key loss caused by personnel change in the organizations through the application of multiple intelligent contracts, threatens to influence record effectiveness and asset security of the organization issuance, realizes the traditional social real asset security by using a general evidence technology and an encryption distributed storage technology, reliably supports regulations and public belief, can realize efficient, safe, transparent and fair release and flow based on the blockchain after the asset uplink, and is an important technical innovation of the blockchain landing realization.
Compared with the prior art, the invention has the beneficial effects that:
1. when the real asset is released on the chain, audit information, legal status of the asset and the like in the real society can be inspected and traced through the electronic file stored in a distributed mode;
2. the invention can enable audit, law or related asset audit evaluation organizations to express on-chain assets and real social assets by a safe operable technical method, and can also realize the circulation monitoring and even locking functions of on-chain assets, so as to ensure that the assets can correspond no matter on-line or off-line and ensure the asset safety of a holder.
3. The contract account on the chain is designed to carry out related asset audit, statement and other operations for the organization of the organization, and meanwhile, when a person holding the private key flows in the position of the organization, the encryption operation of the organization of the asset can be carried out in a safe transition mode without affecting the asset safety of an operator.
Drawings
For ease of illustration, the invention is described in detail by the following preferred embodiments and the accompanying drawings.
FIG. 1 is a diagram of an asset upchain license issuing technology framework of the present invention;
fig. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
The following further describes a method for realizing the on-chain compliance of real assets, which is described by the invention, with reference to the accompanying drawings:
referring to fig. 1 and 2, a contract administrator deploys a compliance inspection organization multi-sign intelligent contract and an STO pass intelligent contract on a blockchain on behalf of a project operator, publishes real asset reality description information to a distributed storage network by using a compliance function and an asset compliance event of the STO pass intelligent contract on the blockchain called by the multi-sign intelligent contract, writes a file hash of the real asset into an STO pass statement description attribute of the real asset after the STO pass of the real asset is published on the chain, and initially initiates a compliance inspection organization voting decision maker public key, the voting decision maker signs and uploads the compliance inspection file of the real asset to the distributed storage network, and writes the hash of the compliance inspection file into the real asset non-homogeneous pass statement description attribute of the STO pass contract by using the multi-sign intelligent contract
The asset issuer publishes and stores real description information of real assets in a distributed storage network in a data exchange format and writes STO pass statement description attributes published on a blockchain.
The project side initialization setting organization comprises an audit organization, a legal organization and a supervision organization, and the initialized statement description attribute of the compliance audit organization to the asset can write and control the STO passing intelligent contract of the asset by the multi-signature intelligent contract representing the audit organization, the legal organization and the supervision organization.
The audit organization submits an audit report file of the real asset, the audit organization signs the audit report file and issues the audit report file to the distributed storage file, the file hash of the audit organization is recorded in the asset non-homogeneous pass, and the audit report file of the real asset can be read to the file hash through the intelligent contract;
the legal organization submits the compliance legal endorsement information of the asset, the legal organization signs the legal opinion document electronic file and distributes the legal opinion document electronic file in the distributed storage file, the file hash of the legal organization is recorded in the asset non-homogeneous general certificate, and the legal opinion document electronic file of the real asset can be read to the file hash through the intelligent contract;
the intelligent contracts of the compliance examination organization are multi-signature contracts, the multi-signature contracts can carry out the disciplinary statement description on the disciplinary expression of the real asset, and the examination and approval examination flow is carried out through the STO disciplinary intelligent contracts, so that the audit, legal organization and supervision organization in the real society can participate in the asset release and the asset description through the digital encryption technology.
The auditing of the real asset or the multi-signature contract of legal organization can be replaced by a method of signing the through intelligent contract together by an organization and an asset issuer.
The multi-signature contract multi-signer of each organization performs signature behavior voting according to the principle that more than half of signature majority will is satisfied;
the signing authority of the multi-signature contract is a collection of multi-public key organizations, and the addition, deletion and replacement of collection elements of the signing authority need the multi-signature operation performed by the multi-signature contract signing authority, and the operation of the signing authority is ensured to follow the principle of minority compliance and majority willingness.
The project operators disclose the audit, legal and supervision organization of the real assets on the issuing chain by setting contract addresses of the audit organization, legal organization and supervision organization.
The issued STO pass can be issued and traded in the decentralized exchange, and the supervision organization can effectively supervise.
Embodiments further include:
1. the legal and audit organization can upload the signed file, the original electronic file adds signature information to form a signature file, and the signature file is released to the distributed storage system to return to obtain the CID of the file;
2. both audit and legal claims and regulatory agency operations may be defined as asset compliance events;
3. designing a multi-signature intelligent contract for an organization, wherein the contract discloses callable functions and asset compliance events related to the asset chain:
1) A document signature showing method for proving assets, namely, a CID which can be uniquely identified in a distributed storage network for the document of asset audit or legal statement is published; the file may be read by any person associated with reading information on the asset chain; at this point the contract issues an asset documentation formula event.
2) The revocation of a published asset audit or legal statement file is no longer valid. At this point the contract publishes an event that the asset certificate is revoked.
3) And replacing the published public file with a new signature file, and realizing the audit or legal statement of the asset by using a new asset audit or legal statement file. At this point the contract issues an event that replaces the asset certification file.
4) Locking on-chain asset certification, i.e., locking some accounts of on-chain assets against the liquidity of the asset, makes neither the certification-related liquidity nor liquidity authorization operations of the asset executable. At this point the contract issues a lock asset event.
5) The on-chain asset is unlocked, i.e., the on-chain asset is authenticated. At this point the contract issues an event that unlocks the asset.
6) The in-chain asset is revoked, the asset is declared to be destroyed on the chain at the legal level, and irreversible destruction of the asset is performed at the same time. At this point the contract issues a destroy asset event.
4. The organization's multi-sign contracts have the following roles:
1) Voting decision-making person, professional person capable of making decision-making vote by public key or public key substitute
2) An operator performing the contract versus external function may have multiple accounts that all drive the contract to perform versus external performing the function that is determined by the voting decision-maker to represent compliance on the organization's asset chain.
3) Initializing and upgrading the manager roles of the contracts, but the manager roles only have the functions of initializing the contracts, initializing public keys and public key substitutes for voting decisions of the contracts, upgrading the contract code logic
5. Asset investors review assets and monitor asset compliance notification events, receive asset compliance events, and learn the real asset's on-chain public information.
6. The intelligent contract voting decision public key of the organization is initialized and set by an administrator, voting is initiated by voting decision persons after the subsequent replacement, and after 51% of voting right confirmation is met, the operator calls the contract to execute the on-chain confirmation of the voting decision public key.
7. The files stored in the distributed storage network are uploaded to the distributed storage network by an operator or a voting decision maker, signature disclosure of related electronic files is executed after the files CID are obtained, and the files can be referred to in the property json file of the asset certification.
The blockchain network includes, but is not limited to, BRC20, ERC721, ERC1155, ERC3525, and the like.
Thus far, the technical solution of the present invention has been described in connection with one embodiment shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will fall within the scope of the present invention.

Claims (10)

1. A realization method of compliance on a real asset chain is characterized by comprising the following steps of: the method comprises the steps that a contract administrator deploys a compliance examination organization multi-signature intelligent contract and an STO passing certificate intelligent contract comprising a compliance function and an asset compliance event on a blockchain on behalf of a project operator, and issues real asset reality description information to a distributed storage network by using the compliance function and the asset compliance event of the STO passing certificate intelligent contract on the blockchain called by the multi-signature intelligent contract, after the STO passing certificate of the real asset is issued on the chain, file hash of the real description information of the real asset is written into the STO passing certificate description attribute, the contract administrator initially carries out the compliance examination organization voting decision maker public key, the voting decision maker signs and uploads the compliance examination file of the real asset to the distributed storage network, and the hash of the compliance examination file is written into the real asset non-homogeneous passing certificate description attribute of the STO passing certificate by using the multi-signature intelligent contract.
2. The method for implementing on-chain compliance of real assets according to claim 1, wherein: the project operator publishes and stores the real description information of the real asset in a distributed storage network in a data exchange format, and writes the STO certification statement description attribute published on the blockchain.
3. The method for implementing on-chain compliance of real assets according to claim 2, wherein: the project operator initializes and sets the compliance audit organization in the multi-signature intelligent contracts of the organization, which comprises an audit organization, a legal organization and a supervision organization, and the initialized compliance audit organization can write and control the STO through-certificate intelligent contracts of the asset by the multi-signature intelligent contracts of the audit organization, the legal organization and the supervision organization.
4. A method of implementing on-chain compliance of real assets as claimed in claim 3, wherein: the audit organization submits the audit report file of the real asset, the audit organization signs the audit report file and issues the audit report file to the distributed storage file, the file hash of the audit organization is recorded in the asset non-homogeneous pass, and the audit report file of the real asset can be read to the file hash through the intelligent contract.
5. A method of implementing on-chain compliance of real assets as claimed in claim 3, wherein: and submitting the compliance legal endorsement information of the asset by the legal organization, signing the legal opinion document electronic file by the legal organization, and after the legal organization publishes the legal opinion document electronic file in the distributed storage file, recording the file hash of the legal opinion document electronic file in the asset non-homogeneous general certificate, wherein the legal opinion document electronic file of the real asset can be read to the file hash through an intelligent contract.
6. The method for implementing on-chain compliance of real assets according to claim 4 or 5, wherein: the intelligent contracts of the compliance examination organization are multi-signature contracts, the multi-signature contracts can carry out the disciplinary statement description on the disciplinary expression of the real asset, and the examination and approval examination flow is carried out through the STO disciplinary intelligent contracts, so that the audit, legal organization and supervision organization in the real society can participate in the asset release and the asset description through the digital encryption technology.
7. The method for implementing on-chain compliance of real assets according to claim 6, wherein: the auditing of the real asset or the multi-signature contract of legal organization can be replaced by a method of signing the through-certificate intelligent contract together by the organization and project operators.
8. The method for implementing on-chain compliance of real assets according to claim 7, wherein: the multi-signature contract multi-signer of each organization performs signature behavior voting according to the principle that more than half of signature majority will is satisfied; the signing authority of the multi-signature contract is a collection of multi-public key organizations, and the addition, deletion and replacement of collection elements of the signing authority need the multi-signature operation performed by the multi-signature contract signing authority, and the operation of the signing authority is ensured to follow the principle of minority compliance and majority willingness.
9. The method for implementing on-chain compliance of real assets according to claim 8, wherein: the project operators disclose the audit, legal and supervision organization of the real assets on the issuing chain by setting contract addresses of the audit organization, legal organization and supervision organization.
10. The method for implementing on-chain compliance of real assets according to claim 9, wherein: the issued STO pass can be issued and traded in the decentralized exchange, and the supervision organization can effectively supervise.
CN202410011197.2A 2024-01-04 2024-01-04 Method for realizing compliance on real asset chain Pending CN117527189A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113268712A (en) * 2021-05-26 2021-08-17 西北大学 Public culture resource right confirming system and method based on block chain
CN113283990A (en) * 2021-06-03 2021-08-20 光大科技有限公司 Data sharing processing method and device
CN113674092A (en) * 2020-05-15 2021-11-19 天宿智能科技股份有限公司 Asset dynamic value management system and method based on block chain
CN116720898A (en) * 2023-06-14 2023-09-08 酷扣原创香港有限公司 Asset transaction management system and method based on blockchain

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113674092A (en) * 2020-05-15 2021-11-19 天宿智能科技股份有限公司 Asset dynamic value management system and method based on block chain
CN113268712A (en) * 2021-05-26 2021-08-17 西北大学 Public culture resource right confirming system and method based on block chain
CN113283990A (en) * 2021-06-03 2021-08-20 光大科技有限公司 Data sharing processing method and device
CN116720898A (en) * 2023-06-14 2023-09-08 酷扣原创香港有限公司 Asset transaction management system and method based on blockchain

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