A blockchain cross-space association account identification and mapping method, system and device

Abstract

The application discloses a blockchain cross-space associated account identification and mapping method, system and device, the method comprises the following steps: a supervision service platform acquires digital signatures of multiple supervision parties, verifies whether data or behavior meets a set threshold value, and forms a unified access rule; a joint supervision node is introduced as an auxiliary input, environmental semantic information provided by the supervision node is used to verify on-chain transaction content, and unified account access distribution is realized; a mapping model from an on-chain network space account to an offline physical space entity is established; different account identity feature data and association of the same entity in a cross-chain network are extracted, physical space and network space associated account identification and mapping are realized; a blockchain user anonymous traceable scheme based on group signature technology is constructed, and efficient traceability of a blockchain account is realized. The problems of non-standard different object identity authentication between heterogeneous multiple chains, unclear access standard, digital identity diversity, and difficulty in associating network physical identity are solved.

Description

Technical Field

[0001] This invention belongs to the field of blockchain technology, specifically relating to a method, system, and device for identifying and mapping cross-space related accounts in blockchain. Background Technology

[0002] With the development of blockchain technology, it has penetrated numerous fields such as fintech, judicial evidence preservation, and supply chain management. However, the blockchain ecosystem, comprised of interconnected entities such as accounts, transactions, and chain clusters, harbors diverse and highly concealed risks, making blockchain ecosystem security regulation a significant challenge. Blockchain ecosystem security regulation is a focal point of attention for experts and scholars both domestically and internationally. Currently, the number of entities in the blockchain ecosystem is enormous, making the determination of their access and the mapping of their relationships crucial—a key step in blockchain ecosystem security regulation solutions.

[0003] Existing blockchain regulatory technologies cannot support large-scale entity identification and relationship analysis, and lack the ability to accurately deduce and analyze cross-domain heterogeneous entities and their dynamic evolution relationships within the blockchain ecosystem. Blockchain ecosystem security supervision suffers from issues such as inconsistent identity authentication and unclear access standards among different objects on heterogeneous multi-chains. The identities of physical entities and virtual entities are diverse and difficult to correlate, making cross-space entity identities difficult to map. To address these issues, a method is urgently needed to standardize account access standards in cross-space networks and achieve cross-space entity mapping. Summary of the Invention

[0004] In view of the above, this invention provides a method, system, and apparatus for blockchain cross-spatial associated account identification and mapping. Addressing the issues of inconsistent identity authentication and unclear access standards among different objects in heterogeneous multi-chain systems, it proposes an account access method based on threshold signatures. This method achieves unified account access allocation through threshold signatures and joint regulatory nodes. Furthermore, addressing the problem of diverse and difficult-to-match identities in physical and virtual spaces, it proposes a cross-spatial associated account mapping and identification method based on an entity mapping model. Through a series of account identification, mapping, and evidence collection processes, it forms an efficient and reliable cross-spatial accurate mapping mechanism, realizing a blockchain digital identity association mechanism and solving problems such as diverse digital identities and difficulty in associating physical identities with the network.

[0005] According to one aspect of the present invention, a method for identifying and mapping cross-spatial related accounts in blockchain is provided, the specific contents of which include:

[0006] 1) Construct an account access mechanism based on threshold signature technology. The regulatory service platform collects digital signatures from multiple regulators to verify whether data or behavior meets the set thresholds and forms unified access rules.

[0007] 2) For on-chain transactions, the regulatory service platform introduces joint regulatory nodes as auxiliary inputs. By utilizing the environmental semantic information provided by the regulatory nodes, the platform verifies the content of on-chain transactions and achieves unified account access allocation through joint supervision.

[0008] 3) Establish a mapping model from on-chain network space accounts to offline physical space entities;

[0009] 4) The regulatory service platform extracts the identity feature data and correlation of different accounts of the same entity in the cross-chain network to realize the identification and mapping of related accounts in physical space and cyberspace;

[0010] The specific implementation method of content 1) is as follows:

[0011] An account access mechanism is built based on threshold signature technology. The regulatory service platform collects digital signatures from multiple regulators, and the digital signatures are equivalent to the private keys of each regulator.

[0012] Verify whether the data or behavior meets the set threshold, wherein the threshold is a custom rule range;

[0013] Based on the threshold, a unified access rule is formed. When this access rule is met, each regulator generates its own random number based on the digital signature of each regulator. The regulatory service platform gathers the digital signatures of each regulator and the random number, which is equivalent to gathering all the private key shares. A real private key can then be constructed, and at this point, the data or behavior obtains access permission.

[0014] The specific implementation method of content 2) is as follows:

[0015] The main inputs to the regulatory service platform are data or behavior;

[0016] The regulatory service platform introduces joint regulatory nodes as auxiliary inputs, and the joint regulatory nodes provide environmental semantic information, which is contextual environmental semantic information.

[0017] For the entity of on-chain transactions, the contextual semantic information provided by the joint regulatory nodes is used to verify whether the content of on-chain transactions is legal and compliant;

[0018] By combining regulatory and access rules, entities are assigned to corresponding links and identified accordingly, thereby achieving unified account access allocation.

[0019] The specific implementation method of content 3) is as follows:

[0020] The identity data of cyberspace entities is recorded in the offline physical space. Based on the correspondence between offline physical space and cyberspace, a mapping model between on-chain cyberspace accounts and offline physical space entities is constructed.

[0021] The specific implementation method of content 4) is as follows:

[0022] The regulatory service platform extracts identity feature data of different accounts of the same entity in the cross-chain network;

[0023] Based on the mapping model and the identity feature data, the correlation between various accounts in the same transaction is analyzed to achieve the identification and mapping of accounts associated in physical space and cyberspace.

[0024] Specific content also includes: when tracking anonymous users, obtaining the regulator's digital signature and corresponding random number based on the regulatory service platform, tracing and locking anonymous accounts, and achieving efficient tracking of blockchain accounts.

[0025] According to another aspect of the present invention, a blockchain cross-spatial associated account identification and mapping system is provided, including an account access determination module and an entity mapping and identification module:

[0026] The account access module includes account access determination function, on-chain transaction verification function, and account access permission management function, the specific functions of which are as follows:

[0027] Account access determination function: Based on threshold signature technology, an account access mechanism is built. The regulatory service platform collects digital signatures from multiple regulators to verify whether data or behavior meets the set threshold, forming a unified access rule. Data or behavior that meets the access rule has access permission.

[0028] Verifying on-chain transactions: The regulatory service platform introduces joint regulatory nodes as auxiliary inputs to verify the content of on-chain transactions by utilizing the environmental semantic information provided by the regulatory nodes.

[0029] Account access control function: Achieve unified account access allocation through threshold signatures and joint supervision.

[0030] The entity mapping and recognition module includes account entity mapping, account entity association recognition, and efficient blockchain account tracking functions, specifically:

[0031] Account entity mapping function: The identity data of cyberspace entities are recorded by offline physical space. Based on the correspondence between offline physical space and cyberspace, a mapping model between on-chain cyberspace accounts and offline physical space entities is constructed.

[0032] Account entity association identification function: Extract the identity feature data of different accounts of the same entity in the cross-chain network, and analyze the association of various accounts in the same transaction based on the mapping model and the identity feature data to realize the identification and mapping of accounts associated in physical space and network space.

[0033] Highly efficient blockchain account tracking function: Based on the account access mechanism based on threshold signature technology, when it is necessary to track anonymous users, the digital signature of the regulator at the access permission stage and the corresponding random number are obtained from the data to track the anonymous account.

[0034] According to another aspect of the present invention, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores one or more programs, and when a processor executes the one or more programs, it implements the following method:

[0035] Construct an account access mechanism based on threshold signature technology, obtain digital signatures from various regulators, form unified access rules, and verify whether data or behavior meets the access rules.

[0036] By introducing joint regulatory nodes as auxiliary input, and utilizing the environmental semantic information provided by the joint regulatory nodes, the on-chain transaction content is verified, and a unified account access allocation is achieved.

[0037] Establish a mapping model from on-chain network space accounts to offline physical space entities;

[0038] Extract identity feature data and correlation of different network space accounts of the same physical space entity in the cross-chain network to realize the identification and mapping of physical space and network space related accounts.

[0039] According to another aspect of the present invention, a blockchain cross-spatial associated account identification and mapping device is provided, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that the processor, when executing the computer program, implements the following method:

[0040] Construct an account access mechanism based on threshold signature technology, obtain digital signatures from various regulators, form unified access rules, and verify whether data or behavior meets the access rules.

[0041] By introducing joint regulatory nodes as auxiliary input, and utilizing the environmental semantic information provided by the joint regulatory nodes, the on-chain transaction content is verified, and a unified account access allocation is achieved.

[0042] Establish a mapping model from on-chain network space accounts to offline physical space entities;

[0043] Extract identity feature data and correlation of different network space accounts of the same physical space entity in the cross-chain network to realize the identification and mapping of physical space and network space related accounts.

[0044] Beneficial effects of this invention:

[0045] This invention proposes an account access method based on threshold signatures, which achieves unified account access allocation through threshold signatures and joint regulatory nodes, solving problems such as inconsistent identity authentication and unclear access standards among different objects in heterogeneous multi-chains. Based on an entity mapping model, it proposes a cross-space associated account mapping and identification method, which forms an efficient and reliable cross-space accurate mapping mechanism through a series of account identification, mapping and evidence collection, realizing a blockchain digital identity association mechanism and solving the problem of diverse and difficult-to-match identities in physical space and virtual space. Attached Figure Description

[0046] Figure 1 This is a schematic diagram of the method flow of the present invention;

[0047] Figure 2 This is a schematic diagram of the system modules of the present invention. Specific Implementation

[0048] The above description is merely an overview of the technical solution of the present invention. In order to better understand the technical means of the present invention, it can be implemented according to the contents of the specification. Furthermore, in order to more clearly illustrate the above and other objects, features and advantages of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0049] Example 1:

[0050] A method for identifying and mapping cross-spatial related accounts in blockchain, such as Figure 1 As shown, it includes the following steps:

[0051] S100. Construct an account access mechanism based on threshold signature technology. The regulatory service platform collects digital signatures from multiple regulators to verify whether data or behavior meets the set threshold, forming a unified access rule.

[0052] S200. For on-chain transactions, the regulatory service platform introduces joint regulatory nodes as auxiliary inputs. By utilizing the environmental semantic information provided by the regulatory nodes, the platform verifies the content of on-chain transactions and achieves unified account access allocation through joint supervision.

[0053] S300, Establish a mapping model from on-chain network space accounts to offline physical space entities;

[0054] S400 and the regulatory service platform extract the identity feature data and correlation of different accounts of the same entity in the cross-chain network to realize the identification and mapping of related accounts in physical space and cyberspace;

[0055] The specific implementation method of step S100 is as follows:

[0056] An account access mechanism is built based on threshold signature technology. The regulatory service platform collects digital signatures from multiple regulators, and the digital signatures are equivalent to the private keys of each regulator.

[0057] Verify whether the data or behavior meets the set threshold, wherein the threshold is a custom rule range;

[0058] Based on the threshold, a unified access rule is formed. When this access rule is met, each regulator generates its own random number based on the digital signature of each regulator. The regulatory service platform gathers the digital signatures of each regulator and the random number, which is equivalent to gathering all the private key shares. A real private key can then be constructed, and at this point, the data or behavior obtains access permission.

[0059] The specific implementation method of step S200 is as follows:

[0060] The main inputs to the regulatory service platform are data or behavior;

[0061] The regulatory service platform introduces joint regulatory nodes as auxiliary inputs, and the joint regulatory nodes provide environmental semantic information, which is contextual environmental semantic information.

[0062] For the entity of on-chain transactions, the contextual semantic information provided by the joint regulatory nodes is used to verify whether the content of on-chain transactions is legal and compliant;

[0063] By combining regulatory and access rules, entities are assigned to corresponding links and identified accordingly, thereby achieving unified account access allocation.

[0064] The specific implementation method of step S300 is as follows:

[0065] The identity data of cyberspace entities is recorded in the offline physical space. Based on the correspondence between offline physical space and cyberspace, a mapping model between on-chain cyberspace accounts and offline physical space entities is constructed.

[0066] The specific implementation method of step S400 is as follows:

[0067] The regulatory service platform extracts identity feature data of different accounts of the same entity in the cross-chain network;

[0068] Based on the mapping model and the identity feature data, the correlation between various accounts in the same entity (transaction) is analyzed to achieve the identification and mapping of accounts associated in physical space and cyberspace.

[0069] Specific implementation methods also include: based on the account access mechanism based on threshold signature technology, when tracking anonymous users, obtaining the digital signature and corresponding random number of the regulator based on the regulatory service platform, tracing and locking the anonymous account, and realizing efficient tracking of blockchain accounts.

[0070] Example 2:

[0071] A blockchain-based cross-spatial account identification and mapping system, such as Figure 2 As shown, it includes an account access determination module 100 and an entity mapping and recognition module 200:

[0072] The account access determination module 100 includes account access determination function, on-chain transaction verification function, and account access permission management function. Through an account access mechanism based on threshold signature technology, a unified access rule is formed. For the entity of on-chain transaction, the on-chain transaction content is verified by using the environmental semantic information provided by the regulatory node. Unified account access allocation is achieved through threshold signature and joint supervision.

[0073] The entity mapping and identification module 200 includes account entity mapping, account entity association identification, and efficient blockchain account tracking functions. It constructs a mapping model between on-chain network space accounts and offline physical space entities. Based on the mapping model and the identity feature data of different accounts of the same entity in the cross-chain network, it analyzes the correlation between various accounts in the same entity (transaction), realizes the identification and mapping of related accounts in physical space and network space. Based on the account access mechanism based on threshold signature technology, when it is necessary to track anonymous users, it obtains the digital signature of the regulator at the access permission stage and the corresponding random number based on the data to track anonymous accounts.

[0074] As the device embodiment is basically similar to the method embodiment, the description is relatively simple, and relevant parts can be found in the description of the method embodiment.

[0075] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0076] Those skilled in the art will understand that embodiments of the present invention can be provided as methods, apparatus, or computer program products. Therefore, the present invention can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention can take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.

[0077] This invention is described with reference to flowchart illustrations and / or block diagrams of the method, terminal device (system), and computer program product according to the invention. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, generate instructions for implementing the flowchart illustrations and / or block diagrams. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0078] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing terminal device to operate in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0079] These computer program instructions can also be loaded onto a computer or other programmable data processing terminal equipment, causing a series of operational steps to be performed on the computer or other programmable terminal equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable terminal equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0080] Furthermore, it should be noted that the shapes and names of the parts and components described in the specific embodiments described in this specification may differ. All equivalent or simple variations made to the structure, features, and principles described in this patent concept are included within the protection scope of this patent. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not depart from the structure of this invention or exceed the scope defined in these claims, they should all fall within the protection scope of this invention.

Claims

1. A method for identifying and mapping cross-spatial associated accounts in blockchain, characterized in that, Includes the following steps: Construct an account access mechanism based on threshold signature technology, obtain digital signatures from various regulators, form unified access rules, and verify whether data or behavior meets the access rules. By introducing joint regulatory nodes as auxiliary input, and utilizing the environmental semantic information provided by the joint regulatory nodes, the on-chain transaction content is verified, and a unified account access allocation is achieved. Establish a mapping model from on-chain network space accounts to offline physical space entities; Extract identity feature data and correlation of different network space accounts of the same physical space entity in the cross-chain network to realize the identification and mapping of physical space and network space related accounts.

2. The blockchain cross-spatial associated account identification and mapping method according to claim 1, characterized in that, The construction of an account access mechanism based on threshold signature technology, obtaining digital signatures from various regulatory bodies, forming unified access rules, and verifying whether data or behavior meets the access rules, includes the following steps: The regulatory service platform collects digital signatures from multiple regulators and generates corresponding random numbers. The digital signatures are the private keys of each regulator. A unified access rule is formed based on a preset threshold, wherein the threshold is a rule range defined by the account access mechanism. Verify whether the data or behavior meets the access rules, and grant access permissions to the data or behavior that meets the access rules.

3. The blockchain cross-spatial associated account identification and mapping method according to claim 1, characterized in that, The introduction of a joint regulatory node as an auxiliary input includes the following steps: The input to the regulatory service platform is data or behavior; The regulatory service platform introduces joint regulatory nodes as auxiliary inputs, and the joint regulatory nodes provide environmental semantic information, which is contextual environmental semantic information.

4. The blockchain cross-spatial associated account identification and mapping method according to claim 1, characterized in that, The process of achieving unified account access allocation includes the following steps: For the entity of on-chain transactions, the contextual semantic information provided by the joint regulatory nodes is used to verify whether the content of on-chain transactions is legal and compliant; By combining regulatory nodes and access rules, each entity is assigned to a corresponding link and identified, thereby achieving unified account access allocation. The entities include one or more of transactions, accounts, and contracts.

5. The blockchain cross-spatial associated account identification and mapping method according to claim 1, characterized in that, The construction of the mapping model from on-chain network space accounts to offline physical space entities includes the following steps: The identity data of on-chain network space accounts is recorded by offline physical space entities, and a corresponding pointing relationship is established, thereby constructing a mapping model between on-chain network space accounts and offline physical space entities.

6. The blockchain cross-spatial associated account identification and mapping method according to claim 1, characterized in that, The process of identifying and mapping accounts associated with physical and cyberspace includes the following steps: Extracting the identity feature data of different accounts of the same entity in a cross-chain network; Based on the mapping model and identity feature data, the correlation between various accounts in the same transaction is analyzed, realizing the identification and mapping of accounts associated in physical space and cyberspace.

7. The blockchain cross-spatial associated account identification and mapping method according to claim 1, characterized in that, It also includes the following steps: When tracking anonymous users, the digital signature and corresponding random number of the regulator are obtained from the regulatory service platform to trace and lock the anonymous account, thus achieving efficient tracking of blockchain accounts.

8. A blockchain-based cross-spatial associated account identification and mapping system, characterized in that, The account access module includes an account access determination module and an entity mapping and recognition module: The account access determination module includes account access determination function, on-chain transaction verification function, and account access permission management function, the specific functions of which are as follows: Account access determination function: Based on threshold signature technology, an account access mechanism is constructed, digital signatures of various regulators are obtained, unified access rules are formed, and data or behavior is verified to meet the access rules. Verifying on-chain transactions: The regulatory service platform introduces joint regulatory nodes as auxiliary inputs to verify the content of on-chain transactions by utilizing the environmental semantic information provided by the joint regulatory nodes. Account access control function: Unified account access allocation is achieved through threshold signatures and joint supervision nodes; The entity mapping and identification module includes account entity mapping function, account entity association identification function, and blockchain account efficient tracking function, the specific functions of which are as follows: Account entity mapping function: The identity data of the on-chain network space account is recorded by the offline physical space entity, and a corresponding pointing relationship is established, thereby constructing a mapping model between the on-chain network space account and the offline physical space entity; Account entity association identification function: Extract the identity feature data of different accounts of the same entity in the cross-chain network, and analyze the association of various accounts in the same transaction based on the mapping model and identity feature data to realize the identification and mapping of accounts associated in physical space and network space; Efficient blockchain account tracking: When tracking anonymous users, the digital signature and corresponding random number of the regulator are obtained through the regulatory service platform to trace and lock the anonymous account, thus achieving efficient tracking of blockchain accounts.

9. A computer-readable storage medium, wherein, The computer-readable storage medium stores one or more programs, and when the processor executes the one or more programs, it implements the method according to any one of claims 1-7.

10. A blockchain cross-spatial associated account identification and mapping device, comprising a memory, a processor, and a computer program stored in the memory and running on the processor, characterized in that, When the processor executes the computer program, it implements the method as described in any one of claims 1 to 7.

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