CN110705998A - Blockchain-based information auditing method and device, electronic device, and storage medium - Google Patents

Abstract

The present disclosure provides a blockchain-based information auditing method, a blockchain-based information auditing device, an electronic device and a computer-readable storage medium, which belong to the technical field of blockchain. The method includes: acquiring information to be reviewed; broadcasting review requirements in the blockchain, so that other nodes in the blockchain provide review reference information on the information to be reviewed in response to the review requirements; receiving each The review reference information sent by the other nodes; the review standard information is determined based on each of the review reference information; the review information is reviewed according to the review standard information. The disclosure can make the information sources of the audit standard information more comprehensive, thereby enhancing the accuracy of information auditing and improving the efficiency of information auditing.

Description

Blockchain-based information auditing method and device, electronic device, and storage medium

technical field

The present disclosure relates to the field of blockchain technology, and in particular, to a blockchain-based information auditing method, a blockchain-based information auditing device, an electronic device, and a computer-readable storage medium.

Background technique

With the advent of the information age, various enterprises and institutions have obtained a lot of business information from both internal and external sources. Among them, there will inevitably be a lot of false information, which will affect the normal business process. For example, when the customs clears the goods, because the declarer tampered with the customs declaration information of the goods without permission, the normal customs clearance process of the goods is affected. Therefore, in order to ensure that the information to be audited can meet the predetermined standards, it is necessary to take appropriate information auditing methods.

In the existing information auditing methods, when there is no clear auditing standard, the branch department responsible for auditing (such as the customs branch of each province and city, the branch of the enterprise, etc.) determines the auditing standard according to the information it has. However, when the above method is adopted, the acquisition of audit reference information only depends on the branch department responsible for the audit, and the source of information is relatively single. standards, thereby affecting the results of the information audit.

It should be noted that the information disclosed in the above Background section is only for enhancement of understanding of the background of the present disclosure, and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.

SUMMARY OF THE INVENTION

The present disclosure provides a blockchain-based information auditing method, a blockchain-based information auditing device, an electronic device, and a computer-readable storage medium, thereby at least to a certain extent overcome the existing information auditing methods for auditing reference information sources single question.

Other features and advantages of the present disclosure will become apparent from the following detailed description, or be learned in part by practice of the present disclosure.

According to one aspect of the present disclosure, there is provided a blockchain-based information auditing method, comprising: obtaining information to be audited; broadcasting auditing requirements in the blockchain, so that other nodes in the blockchain respond to the Provide audit reference information about the information to be audited according to audit requirements; receive audit reference information sent by each of the other nodes; determine audit standard information based on each of the audit reference information; information is reviewed.

In an exemplary embodiment of the present disclosure, after acquiring the information to be reviewed, the method further includes: searching the blockchain for review reference information corresponding to the information to be reviewed; if the information to be reviewed is found The auditing reference information corresponding to the auditing information, the auditing standard information is determined according to the auditing reference information; if the auditing reference information corresponding to the information to be audited is not found, the process of broadcasting the auditing requirements in the blockchain is performed. step.

In an exemplary embodiment of the present disclosure, after the audit requirement is broadcast in the blockchain, the method further includes: creating a new block in the blockchain, so that the other nodes can use the Audit reference information is written to the new block.

In an exemplary embodiment of the present disclosure, each block in the block chain includes a type identifier of an object; and the searching for the audit reference information corresponding to the information to be audited in the block chain includes: from Extract the type identifier of the object to be audited from the information to be audited; search for a block containing the type identifier of the object to be audited in the blockchain; obtain the audit corresponding to the information to be audited from the block Reference Information.

In an exemplary embodiment of the present disclosure, the determining the audit standard information based on each of the audit reference information includes: extracting a value of a preset attribute from the information to be audited; according to the value of the preset attribute A condition for determining the audit standard information, and under the condition, the audit standard information is determined according to each of the audit reference information.

In an exemplary embodiment of the present disclosure, the audit requirement includes the information to be audited, and each of the other nodes extracts a set of key information from the information to be audited after acquiring the audit requirement. A set of words is obtained, and the audit reference information is crawled from the Internet according to the set of keywords.

In an exemplary embodiment of the present disclosure, the receiving audit reference information sent by each of the other nodes includes: receiving a keyword set sent by each of the other nodes and an audit reference corresponding to the keyword set The determining of the review standard information based on each of the review reference information includes: determining a keyword reference set according to each of the keyword sets; according to the keyword set provided by each of the other nodes and the keyword reference The similarity of the set is used to determine the weight of each of the other nodes; the review reference information provided by each of the other nodes is weighted and calculated by the weight to obtain the review standard information.

According to one aspect of the present disclosure, a blockchain-based information auditing device is provided, comprising: an acquisition module for acquiring information to be audited; a broadcasting module for broadcasting auditing requirements in the blockchain, so that the district Other nodes in the block chain provide audit reference information about the information to be audited in response to the audit requirement; the receiving module is used to receive the audit reference information sent by each of the other nodes; the determination module is used to The auditing reference information determines auditing standard information; the auditing module is configured to audit the information to be audited according to the auditing standard information.

In an exemplary embodiment of the present disclosure, the block chain-based information auditing device further includes: an information search module, configured to search the block chain for the corresponding information to be audited after acquiring the information to be audited The audit reference information; the search result determination module is used to determine the audit standard information according to the audit reference information if the audit reference information corresponding to the to-be-audited information is found; and if the to-be-audited information is not found Corresponding audit reference information, the step of broadcasting the audit requirement in the blockchain is performed.

In an exemplary embodiment of the present disclosure, the block chain-based information auditing apparatus further includes: a block creation module, configured to create a block chain in the block chain after the audit requirement is broadcast in the block chain new block, so that the other nodes write the audit reference information into the new block.

In an exemplary embodiment of the present disclosure, each block in the blockchain includes a type identifier of the object; the information search module includes: a type identifier extraction unit, configured to extract the information of the object to be reviewed from the information to be reviewed. a type identifier; a block search unit is used to search the block chain for the block containing the type identifier of the object to be reviewed; a corresponding information acquisition unit is used to obtain the information to be reviewed from the block Corresponding audit reference information.

In an exemplary embodiment of the present disclosure, the determination module includes: an attribute value extraction unit for extracting a value of a preset attribute from the information to be reviewed; an audit standard information determination unit for according to the preset The value of the attribute determines the condition of the audit standard information, and under the condition, the audit standard information is determined according to each of the audit reference information.

In an exemplary embodiment of the present disclosure, the audit requirement includes the information to be audited, and each of the other nodes extracts a set of key information from the information to be audited after acquiring the audit requirement. A set of words is obtained, and the audit reference information is crawled from the Internet according to the set of keywords.

In an exemplary embodiment of the present disclosure, the receiving module includes: a standard information receiving unit, configured to receive the keyword set sent by each of the other nodes and the review reference information corresponding to the keyword set; the determining module includes : a reference set determination unit, used for determining a keyword reference set according to each of the keyword sets; a weight determination unit, used for the similarity between the keyword set provided by each of the other nodes and the keyword reference set , to determine the weight of each of the other nodes; the information calculation unit is configured to perform weighted calculation on the review reference information provided by each of the other nodes through the weight to obtain the review standard information.

According to one aspect of the present disclosure, there is provided an electronic device comprising: a processor; and a memory for storing executable instructions of the processor; wherein the processor is configured to execute via executing the executable instructions The method of any of the above.

According to one aspect of the present disclosure, there is provided a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, implements any one of the methods described above.

Exemplary embodiments of the present disclosure have the following beneficial effects:

By broadcasting the audit requirements in the blockchain, each node can provide audit reference information about the information to be audited, determine the audit standard information according to the audit reference information, and complete the audit of the information to be audited according to the audit standard information. On the one hand, the audit standard information is determined by the audit reference information sent by multiple nodes in the blockchain, so that the determined audit standard information has a more comprehensive and rich source of information, thus overcoming the information limitations of a single node and increasing the number of audit standards. The validity of standard information improves the accuracy of information auditing; on the other hand, broadcasting auditing requirements to the blockchain and receiving auditing reference information sent by other nodes can ensure the openness and transparency of information based on blockchain technology and improve the Reliability of information auditing.

It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description serve to explain the principles of the disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 schematically shows an architecture diagram of a blockchain system according to the present exemplary embodiment;

FIG. 2 schematically shows a flowchart of a blockchain-based information auditing method in this exemplary embodiment;

FIG. 3 schematically shows a sub-flow diagram of a blockchain-based information auditing method in this exemplary embodiment;

FIG. 4 schematically shows a sub-flow chart of another blockchain-based information auditing method in this exemplary embodiment;

FIG. 5 schematically shows a sub-flow diagram of still another blockchain-based information auditing method in this exemplary embodiment;

FIG. 6 schematically shows a structural block diagram of a block chain-based information auditing apparatus in this exemplary embodiment;

FIG. 7 schematically shows an electronic device for implementing the above method in this exemplary embodiment;

FIG. 8 schematically shows a computer-readable storage medium for implementing the above method in this exemplary embodiment.

Detailed ways

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments, however, can be embodied in various forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Exemplary embodiments of the present disclosure first provide a blockchain-based information auditing method.

Figure 1 shows the architecture diagram of the blockchain system. Referring to FIG. 1, the blockchain system 100 may include a plurality of nodes (101, 102, 103, 104), wherein each node (101, 102, 103, 104) is peer-to-peer, numbered 101, 102, 103 and 104 are only used as markers, not to limit the order of each node. Each node (101, 102, 103, 104) together forms a blockchain system 100, which can be a consortium chain or a private chain, which is used to store and manage each node. Relevant information data of nodes (101, 102, 103, 104), each node (101, 102, 103, 104) can represent a unit or organization that conducts information audit, specifically a terminal or server set up by the unit or organization, For example, in the scenario where the customs audits freight, the customs branch of a province or city can be regarded as a node, and all customs branches in each region can be organized into a blockchain; or in the scenario of auditing logistics business information , logistics outlets in various regions can also be regarded as multiple nodes, which are jointly organized into a blockchain, etc.

It should be understood that the number of nodes shown in FIG. 1 is only exemplary, and any number of nodes (101, 102, 103, 104) may be set according to actual needs, which is not particularly limited in the present disclosure.

The executive body of this exemplary embodiment may be the node 101 (hereinafter referred to as the audit node), which may be any node in the blockchain, for example, each regional customs branch can be the node of the executive body to carry out this exemplary implementation Examples of information auditing methods. The executive body can also be a special node designated in the blockchain, for example, a unit set up by an enterprise organization to conduct overall management of subordinate departments, such as the General Administration of Customs, the unit where the General Administration of Customs is located can be used as the node 101. The nodes 102, 103, 104, etc. in the blockchain 100 other than the node 101 are collectively referred to as other nodes.

The present exemplary embodiment will be further described below with reference to FIG. 2. As shown in FIG. 2, the blockchain-based information auditing method may include the following steps S210-S250:

Step S210, obtaining information to be reviewed.

The information to be reviewed may include original business data, such as the generation time of the cargo declaration form when the customs examines the cargo information, or the transportation start time and transportation completion time obtained when the logistics network examines the transportation business. The information to be reviewed can also be the data obtained from the statistics of the specific business content, for example, when the customs reviews the goods, according to the customs clearance documents about the goods provided by the owner or the declarant, the type of goods, prices, taxes and other information obtained by statistics; or When reviewing the logistics business information, according to the dispatching, transportation and other business statistics, the dispatching time, transportation time or dispatching quantity, etc. Since the information to be audited is generally not entirely numerical data, in order to facilitate calculation and auditing, the non-numeric data in the information to be audited can be numerically converted if necessary. For example, when the customs audits the quality of the goods, the information to be audited may be Text description information (such as "rare", "precious", etc.) appears, or it is expressed in letters (such as "S" for valuables, "A" for ordinary items, etc.), at this time, the audit information can be processed appropriately. , and perform numerical conversion. The information to be reviewed can be uploaded through the terminal corresponding to each node of the blockchain. For example, when the declarer applies for customs clearance of goods, the information to be reviewed about the goods can be uploaded to the terminal of the customs branch.

Step S220, broadcasting the audit requirement in the blockchain, so that other nodes in the blockchain provide audit reference information about the information to be audited in response to the audit requirement.

Among them, the review reference information about the information to be reviewed refers to the standard information used to judge whether the information to be reviewed meets the requirements or is normal, such as the historical transaction price or reasonable price of the customs clearance goods; or the normal transportation time of the logistics transportation business, Average transportation time or reasonable transportation volume, etc. The audit request refers to the request for each node in the blockchain to obtain the audit reference information about the information to be audited, such as the request to obtain the reasonable price of the goods to be cleared, or the normal transportation time of the logistics business, etc. In this exemplary embodiment, after the audit node acquires the information to be audited, it can broadcast to the entire blockchain to inform all nodes of the request for acquiring audit reference information about the information to be audited, so that after each node receives the request Provide the corresponding audit reference information and return it to the audit node.

Step S230: Receive audit reference information sent by each other node.

In this exemplary embodiment, after sending the audit requirement to each node in the blockchain, the audit node can receive the audit reference information sent by each node. Among them, considering that when there are too many nodes, the number of audit reference information returned is also relatively large. In order to facilitate the processing of multiple audit reference information, the audit node can not only receive the audit reference information sent by all nodes in the blockchain, but also It can receive audit reference information sent by some nodes. For example, due to geographical factors, various regions may have a certain impact on the price of certain goods. Therefore, in order to improve the accuracy of auditing, the customs branch of a certain province or city broadcasts to the blockchain and requests to obtain audit reference information. You can choose to receive the audit reference information sent by some customs branches that are closer to the current customs branch, so as to improve the effectiveness of the processing of the audit reference information.

Step S240, determining audit standard information based on each audit reference information.

In this exemplary embodiment, the audit reference information sent by each node in the blockchain to the audit node may not be unique, and each node may send one or more pieces of audit reference information to the audit node according to different standards, for example, when examining goods at customs When the price is determined, each node can send the historical transaction price of the goods or the reasonable market price to the audit node. In the logistics business, each node can send the normal transportation time or average transportation time of the logistics transportation to the audit node. Therefore, the audit node may receive multiple audit reference information sent by each node. In order to conduct a reasonable and accurate audit of the audit information, it is necessary to analyze and calculate the multiple audit reference information to obtain information that can be used to judge the pending audit information. The standard information of whether the audit can be passed, that is, the audit standard information. In this exemplary embodiment, the audit standard information may be a numerical value, and there are multiple determination methods. For example, the audit standard information may be obtained by performing a weighted average calculation on multiple audit reference information; or all audit reference information may be analyzed. , the maximum and minimum values are ignored, and the average calculation is performed on the remaining multiple audit reference information; the median of multiple audit reference information can also be used as audit standard information, etc. In addition, the audit standard information may also be a range of values. For example, after calculating the weighted average of multiple audit reference information, a preset fluctuation range is set for the value, and the determined numerical range is used as the audit standard information. Other methods for determining audit standard information that are easily thought of by those in the art should also be included within the protection scope of the present disclosure.

Step S250, auditing the information to be audited according to the auditing standard information.

In this exemplary embodiment, the information to be reviewed may be reviewed according to the review standard information determined in step S240. Specifically, the information to be reviewed may be matched with the review standard information. If the matching is successful, the review of the information to be reviewed is passed. During matching, if the review standard information is a specific value, when the information to be reviewed is consistent with the value, the review is considered to be passed; if the review standard information is a range of values, when the value range includes the information to be reviewed, considered approved.

Based on the above description, in this exemplary embodiment, by broadcasting the audit requirement in the blockchain, each node provides audit reference information about the information to be audited, determines the audit standard information according to the audit reference information, and determines the audit standard information according to the audit standard information. Complete the review of the information to be reviewed. On the one hand, the audit standard information is determined by the audit reference information sent by multiple nodes in the blockchain, so that the determined audit standard information has a more comprehensive and rich source of information, thus overcoming the information limitations of a single node and increasing the number of audit standards. The validity of standard information improves the accuracy of information auditing; on the other hand, broadcasting auditing requirements to the blockchain and receiving auditing reference information sent by other nodes can ensure the openness and transparency of information based on blockchain technology and improve the Reliability of information auditing.

In an exemplary embodiment, after step S210, as shown in FIG. 3, the blockchain-based information auditing method may further include the following steps:

Step S310, looking up the audit reference information corresponding to the information to be audited in the blockchain;

Step S320, if the audit reference information corresponding to the information to be audited is found, then determine the audit standard information according to the audit reference information;

Step S330, if the audit reference information corresponding to the information to be audited is not found, the step of broadcasting the audit requirement in the blockchain is performed.

In this exemplary embodiment, a plurality of audit reference information can be stored in the blockchain, for example, the historical transaction prices or reasonable prices of various customs clearance goods can be stored in the blockchain composed of customs branches in various regions. The reasonable transportation time, reasonable delivery time or reasonable delivery quantity of various types of goods can be stored in the blockchain. Depending on the information to be audited, the reference information for auditing can be stored in the blockchain. Therefore, in this exemplary embodiment, in order to facilitate the rapid and accurate auditing of the information to be audited, after step S210, in the block chain Find the audit reference information corresponding to the information to be audited in the chain. For example, when the customs audits the price of customs clearance goods, if the information to be audited is the price of a watch, you can find the corresponding watch in the blockchain. The review reference information about the price; or when the logistics business is reviewed, the information to be reviewed is the transportation time, and the review reference information about the transportation time in the transportation business can be found in the blockchain, and so on.

It should be noted that, if the audit reference information corresponding to the information to be audited can be found in the blockchain, it can be considered that the same or similar information to be audited has been audited in the historical audit records, that is, the blockchain can be considered to have been included. The audit reference information corresponding to the information to be audited can be directly used as the audit standard information. If the audit reference information corresponding to the information to be audited cannot be found in the blockchain, it can be considered that the current information to be audited does not appear in the historical audit records. If the new information to be reviewed has been passed, step S220 may be executed to broadcast the review requirement to the entire network, and each node will provide review reference information. For example, in the scenario where the customs audits the price of goods, when the audit reference information of the price of a watch of a certain brand has been stored in the blockchain, when a declarer applies for customs clearance of the watch of the brand, he can directly find it in the blockchain Check the reference information for the price of the watch of the brand, and use it as the review standard information; if a watch of a famous brand that the applicant applies for customs clearance cannot be found in the blockchain, its price can be regarded as the information to be reviewed for the first time. Then step S220 may be executed to send an audit request to each node.

Further, in an exemplary embodiment, in step S220, after broadcasting the audit requirement in the blockchain, the blockchain-based information auditing method may further include:

Create a new block in the blockchain to enable other nodes to write audit reference information into the new block.

In order to enrich the audit reference information of various information to be audited in the blockchain, so that when step S310 is executed, the existing audit reference information can be found, and a new block about the audit reference information can be created in the blockchain. In step S330, if the audit reference information corresponding to the information to be audited cannot be found in the blockchain, step S220 needs to be performed, broadcast to the whole network, and the audit standard information is determined according to the audit reference information provided by each node, wherein, the Write the audit reference information sent by each node to the audit node into a new block of the blockchain, so that when the same or similar information to be audited is obtained again later, the corresponding audit reference information can be determined, and step S320 can be executed according to The existing audit reference information in the blockchain determines audit standard information and increases the efficiency of information audit. For example, in the above scenario where the customs audits watches, the declarer applies for a watch of a certain brand for the first time, but fails to find the audit reference information corresponding to the price in the blockchain. After step S220 is executed, each node can The sent audit reference information is stored in the blockchain. When the applicant requests to clear the watch of the brand again, the corresponding audit reference information can be directly found in the blockchain. In this exemplary embodiment, when a new block is added to the blockchain, the system can broadcast to the entire blockchain to inform all nodes of the latest blockchain status, and at the same time send the public key and digital signature of the new block and other information.

In an exemplary embodiment, each block in the blockchain includes a type identifier containing an object; as shown in FIG. 4 , step S310 may include the following steps:

Step S410, extracting the type identifier of the object to be reviewed from the information to be reviewed;

Step S420, searching for the block containing the type identifier of the object to be audited in the block chain;

Step S430: Obtain review reference information corresponding to the information to be reviewed from the block.

In this exemplary embodiment, the object to be reviewed is the content object that needs to be reviewed in the information to be reviewed. For example, when the customs reviews the customs declaration form of a watch of an imported brand, the main content to be reviewed is the price of the watch. It is the object to be reviewed. Usually in the blockchain, as the basic structural unit of the blockchain, a block consists of a block header containing metadata and a block body containing specific data. The block header contains three sets of metadata. The first set of metadata is the data used to connect the previous block and indexed from the hash value of the parent block. Among them, the hash algorithm is the only way in the blockchain to ensure that the information is not tampered with. The second set of metadata is the difficulty value, the random number (counter used in the proof-of-work algorithm), and the timestamp; the third set of metadata is the default value that can summarize and quickly summarize all transaction data in the verification block. Kergen data. In this exemplary embodiment, in addition to the above content, the block header may also include data about the type identification of the object. The type identification refers to identification information that can represent the type of the object. In this exemplary embodiment, the type of the object may be coded in advance, for example, the cosmetic category is marked as 1, the daily necessities category is marked as 2, and the clothing category is marked as 3 etc., or more detailed classification can be performed for each category of objects, for example, the makeup category is marked as 11, the skin care category is marked as 12, or the lipstick category is marked as 111, and so on. It should be noted that there can be many kinds of identification information that can represent the type of the object, such as the barcode information of the goods. Generally, the barcode of a type of item may include the same or similar several digits to determine its type, etc. This is not specifically limited. Each block in the blockchain can generate a corresponding block according to its type identifier. For example, in block A, the type identifier represents the review reference information for watches, and in block B, the type identifier represents the audit reference information for lipsticks, etc.

In this exemplary embodiment, when the blockchain searches for the audit reference information of the information to be audited, the type identifier of the object to be audited can be extracted first to determine which type of object to be audited in the blockchain corresponds to the to-be-audited information. and then determine the block corresponding to the type identifier in the blockchain, so as to obtain the audit reference information corresponding to the information to be audited in the block. For example, in the scenario of customs audit price, there are multiple blocks in the current blockchain, and each block stores audit reference information of different types of objects (for example, the type identifier in the block header of block A is 11, the block The type identifier in the block header of B is 12). When extracting the type identifier 11 of the object to be audited, it can be determined that the audit reference information corresponding to the information to be audited about the object to be audited is in block A. Therefore, it can be determined from the block A. A for review reference information.

In an exemplary embodiment, step S240 may include the following steps:

Extract the value of the preset attribute from the information to be reviewed;

The condition of the audit standard information is determined according to the value of the preset attribute, and under the condition, the audit standard information is determined according to each audit reference information.

Among them, the preset attribute is used to represent the strictness of the audit standard. For example, in the scenario where the customs audits the customs clearance goods, if the historical price of the goods fluctuates greatly, the standard for auditing the customs declaration price can be appropriately relaxed, otherwise, stricter can be adopted. The audit standard, in which the historical price fluctuation degree is the above-mentioned preset attribute. Correspondingly, the value of the preset attribute can be "large fluctuation" or "small fluctuation". By determining the value of the preset attribute, it is possible to determine what kind of audit standard information is more suitable for the current information to be audited when auditing. A unique or smaller range of audit standard information can be determined through each audit reference information, and based on this audit standard information, it is judged whether the information to be audited has passed the audit; or when the historical price of some goods fluctuates greatly, it can be considered that the goods are related The price review standard information may have a certain reasonable range of volatility. In this case, a larger range may be determined as the review standard information according to the review reference information, so as to determine whether the information to be reviewed has passed the review. In this exemplary embodiment, the review standard information under different conditions is determined according to the value of the preset attribute of the information to be reviewed, which can effectively conduct information review and increase the pertinence of different information to be reviewed when reviewing.

In an exemplary embodiment, the audit requirements may include information to be audited, and each other node extracts a set of keywords from the information to be audited after acquiring the audit requirements, and crawls and audits the Internet according to the keyword sets. Reference Information.

In this exemplary embodiment, the information to be reviewed may include multiple pieces of information about the object to be reviewed, such as the material, place of origin, color, weight and other information of the object to be reviewed. After each node receives the review request sent by the review node, According to the pending information of the object to be audited, multiple keywords can be extracted, and a keyword set can be generated. For example, the pending information of a watch may include keywords such as United States, gold, and machinery. The keywords in the keyword combination extracted by each node may be different, and the number of keywords may also be different. In this exemplary embodiment, each node can respectively crawl the relevant data of the audit information about the object to be audited from the Internet through the determined keyword combination as audit reference information. For example, when auditing the price of a certain brand of watch, The audit request is sent to the whole network. Node a determines the keyword set as "United States, gold, machinery" according to the information of the watch in the customs declaration, and crawls the price data "1600, 1650, 1800" from the Internet, and node b determines The keyword set is "United States, leather, machinery", and the price data "1500, 1550, 1600" and so on are crawled from the Internet, then the price data "1600, 1650, 1800" and "1500, 1550, 1600" can be as review reference information.

After each node in the blockchain receives the audit requirement and generates the keyword set, it can send the audit reference information corresponding to the keyword set and the keyword set crawled from the Internet by the web crawler to the audit node. Specifically, in an exemplary embodiment, step S230 may include the following steps:

Step S510, receiving the keyword set sent by each other node and the review reference information corresponding to the keyword set;

Further, step S330 may include:

Step S520, determining a keyword reference set according to each keyword set;

Step S530, according to the similarity between the keyword set provided by each other node and the keyword reference set, determine the weight of each other node;

Step S540, performing weighted calculation on the review reference information provided by each other node through the weight to obtain review standard information.

Considering that the audit reference information crawled by each node is different, and the audit reference information crawled by different nodes is inconsistent in determining the audit standard information, for example, according to different regions, the price of the same goods crawled by each customs branch will also be different. Differences. Therefore, in order to improve the accuracy of the audit standard information, when determining the audit standard information, different weights can be assigned to each node.

In this exemplary embodiment, after receiving the keyword set sent by each node, the audit node may perform statistics on all keywords, for example, the frequency of occurrence of all keywords that have appeared in each keyword set or each The number of keywords in the keyword set is counted. Among them, according to the frequency of occurrence of each keyword obtained by statistics, the keywords whose occurrence frequency exceeds a preset threshold can be extracted to generate a new keyword set, that is, a keyword reference set, which is used to determine the weight of each node. Since the keyword reference set is determined by the keyword set of each node, it is more reliable to use the keyword reference set as a standard to determine the weights of other nodes. Further, similarity calculation can be performed on each keyword set and the keyword reference set to determine the weight of each node in the blockchain. Considering that each keyword in the keyword set may not be numerical data, the keywords can be encoded, such as US-1, cortex-2, mechanical-3, golden-4, etc. The encoded keyword sets and the keyword reference set are converted into vector form, and the similarity between the vectors is calculated to determine the similarity between each keyword and the keyword reference set to determine the weight of each node. The similarity calculation may be performed in various manners, such as cosine similarity, Euclidean distance, or Manhattan distance, etc., which is not specifically limited in the present disclosure. According to the determined weight, weighted calculation is performed on the audit reference information sent by each node, that is, the audit standard information can be obtained.

Exemplary embodiments of the present disclosure also provide a blockchain-based information auditing apparatus. Referring to FIG. 6 , the apparatus 600 may include an acquiring module 610 , a broadcasting module 620 , a receiving module 630 , a determining module 640 and an auditing module 650 . Among them, the obtaining module 610 is used to obtain the information to be reviewed; the broadcasting module 620 is used to broadcast the review requirement in the blockchain, so that other nodes in the blockchain can provide the review reference about the information to be reviewed in response to the review requirement. The receiving module 630 is used to receive the review reference information sent by other nodes; the determination module 640 is used to determine the review standard information based on each review reference information; the review module 650 is used to review the to-be-audited information according to the review standard information.

In an exemplary embodiment, the block chain-based information auditing device further includes: an information search module, configured to search the block chain for audit reference information corresponding to the information to be audited after acquiring the information to be audited; The module is used to determine the audit standard information according to the audit reference information if the audit reference information corresponding to the to-be-audited information is found; and if the audit reference information corresponding to the to-be-audited information is not found, broadcast the audit requirements in the blockchain A step of.

In an exemplary embodiment, the block chain-based information auditing device further includes: a block creation module for creating a new block in the block chain after broadcasting the audit requirement in the block chain, so that other nodes can Audit reference information is written to the new block.

In an exemplary embodiment, each block in the blockchain contains the type identifier of the object; the information search module includes: a type identifier extraction unit for extracting the type identifier of the object to be reviewed from the information to be reviewed; the block search unit, It is used to find the block containing the type identifier of the object to be audited in the blockchain; the corresponding information acquisition unit is used to acquire the audit reference information corresponding to the information to be audited from the block.

In an exemplary embodiment, the determination module includes: an attribute value extraction unit for extracting the value of a preset attribute from the information to be audited; an audit standard information determination unit for determining the value of the audit standard information according to the value of the preset attribute. Conditions, under conditions, determine the audit standard information according to each audit reference information.

In an exemplary embodiment, the audit requirements include information to be audited, and each other node extracts a set of keywords from the information to be audited after acquiring the audit requirements, and crawls the audit reference from the Internet according to the keyword sets. information.

In an exemplary embodiment, the receiving module includes: a standard information receiving unit, configured to receive the keyword set sent by each other node and the review reference information corresponding to the keyword set; the determining module includes: a reference set determining unit, configured to: Determine a keyword reference set according to each keyword set; the weight determination unit is used to determine the weight of each other node according to the similarity between the keyword set provided by each other node and the keyword reference set; the information calculation unit is used Based on the weighted calculation of the audit reference information provided by each other node, the audit standard information is obtained.

The specific details of the above-mentioned modules/units have been described in detail in the corresponding method part of the embodiment, and therefore are not repeated here.

Exemplary embodiments of the present disclosure also provide an electronic device capable of implementing the above method.

As will be appreciated by one skilled in the art, various aspects of the present disclosure may be implemented as a system, method or program product. Therefore, various aspects of the present disclosure can be embodied in the following forms: a complete hardware implementation, a complete software implementation (including firmware, microcode, etc.), or a combination of hardware and software aspects, which may be collectively referred to herein as implementations "circuit", "module" or "system".

An electronic device 700 according to such an exemplary embodiment of the present disclosure is described below with reference to FIG. 7 . The electronic device 700 shown in FIG. 7 is only an example, and should not impose any limitation on the function and scope of use of the embodiments of the present disclosure.

As shown in FIG. 7, electronic device 700 takes the form of a general-purpose computing device. Components of the electronic device 700 may include, but are not limited to: the above-mentioned at least one processing unit 710 , the above-mentioned at least one storage unit 720 , a bus 730 connecting different system components (including the storage unit 720 and the processing unit 710 ), and a display unit 740 .

The storage unit stores program codes, which can be executed by the processing unit 710, so that the processing unit 710 performs the steps according to various exemplary embodiments of the present disclosure described in the above-mentioned "Exemplary Methods" section of this specification. For example, the processing unit 710 may execute steps S210 to S250 shown in FIG. 2 , and may also execute steps S310 to S330 shown in FIG. 3 , and the like.

The storage unit 720 may include a readable medium in the form of a volatile storage unit, such as a random access storage unit (RAM) 721 and/or a cache storage unit 722 , and may further include a read only storage unit (ROM) 723 .

The storage unit 720 may also include a program/utility 724 having a set (at least one) of program modules 725 including, but not limited to, an operating system, one or more application programs, other program modules, and program data, An implementation of a network environment may be included in each or some combination of these examples.

The bus 730 may be representative of one or more of several types of bus structures, including a memory cell bus or memory cell controller, a peripheral bus, a graphics acceleration port, a processing unit, or a local area using any of a variety of bus structures bus.

The electronic device 700 may also communicate with one or more external devices 900 (eg, keyboards, pointing devices, Bluetooth devices, etc.), with one or more devices that enable a user to interact with the electronic device 700, and/or with Any device (eg, router, modem, etc.) that enables the electronic device 700 to communicate with one or more other computing devices. Such communication may take place through input/output (I/O) interface 750 . Also, the electronic device 700 may communicate with one or more networks (eg, a local area network (LAN), a wide area network (WAN), and/or a public network such as the Internet) through a network adapter 760 . As shown, network adapter 760 communicates with other modules of electronic device 700 via bus 730 . It should be appreciated that, although not shown, other hardware and/or software modules may be used in conjunction with electronic device 700, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives and data backup storage systems.

From the description of the above embodiments, those skilled in the art can easily understand that the exemplary embodiments described herein may be implemented by software, or may be implemented by software combined with necessary hardware. Therefore, the technical solutions according to the embodiments of the present disclosure may be embodied in the form of software products, and the software products may be stored in a non-volatile storage medium (which may be CD-ROM, U disk, mobile hard disk, etc.) or on the network , including several instructions to cause a computing device (which may be a personal computer, a server, a terminal device, or a network device, etc.) to execute the method according to an exemplary embodiment of the present disclosure.

Exemplary embodiments of the present disclosure also provide a computer-readable storage medium on which a program product capable of implementing the above-described method of the present specification is stored. In some possible implementations, various aspects of the present disclosure can also be implemented in the form of a program product, which includes program code, when the program product runs on a terminal device, the program code is used to cause the terminal device to execute the above-mentioned procedures in this specification. Steps according to various exemplary embodiments of the present disclosure are described in the "Example Methods" section.

Referring to FIG. 8 , a program product 800 for implementing the above method is described according to an exemplary embodiment of the present disclosure, which may adopt a portable compact disc read only memory (CD-ROM) and include program codes, and may be stored in a terminal devices such as personal computers. However, the program product of the present disclosure is not limited thereto, and in this document, a readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.

The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus or device, or a combination of any of the above. More specific examples (non-exhaustive list) of readable storage media include: electrical connections with one or more wires, portable disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage devices, magnetic storage devices, or any suitable combination of the foregoing.

A computer readable signal medium may include a propagated data signal in baseband or as part of a carrier wave with readable program code embodied thereon. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing. A readable signal medium can also be any readable medium, other than a readable storage medium, that can transmit, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.

Program code embodied on a readable medium may be transmitted using any suitable medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.

Program code for performing the operations of the present disclosure may be written in any combination of one or more programming languages, including object-oriented programming languages—such as Java, C++, etc., as well as conventional procedural programming Language - such as the "C" language or similar programming language. The program code may execute entirely on the user computing device, partly on the user device, as a stand-alone software package, partly on the user computing device and partly on a remote computing device, or entirely on the remote computing device or server execute on. In the case of a remote computing device, the remote computing device may be connected to the user computing device through any kind of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computing device (eg, using an Internet service provider business via an Internet connection).

In addition, the above-mentioned figures are merely schematic illustrations of the processes included in the methods according to the exemplary embodiments of the present disclosure, and are not intended to be limiting. It is easy to understand that the processes shown in the above figures do not indicate or limit the chronological order of these processes. In addition, it is also readily understood that these processes may be performed synchronously or asynchronously, for example, in multiple modules.

It should be noted that although several modules or units of the apparatus for action performance are mentioned in the above detailed description, this division is not mandatory. Indeed, according to exemplary embodiments of the present disclosure, the features and functions of two or more modules or units described above may be embodied in one module or unit. Conversely, the features and functions of one module or unit described above may be further divided into multiple modules or units to be embodied.

Other embodiments of the present disclosure will readily suggest themselves to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the present disclosure that follow the general principles of the present disclosure and include common knowledge or techniques in the technical field not disclosed by the present disclosure . The specification and examples are to be regarded as exemplary only, with the true scope and spirit of the disclosure being indicated by the claims.

It is to be understood that the present disclosure is not limited to the precise structures described above and illustrated in the accompanying drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An information auditing method based on a block chain is characterized by comprising the following steps:

acquiring information to be audited;

broadcasting an audit requirement in a block chain so that other nodes in the block chain provide audit reference information about the information to be audited in response to the audit requirement;

receiving audit reference information sent by each other node;

determining audit standard information based on each audit reference information;

and auditing the information to be audited according to the auditing standard information.

2. The method according to claim 1, wherein after obtaining the information to be audited, the method further comprises:

checking reference information corresponding to the information to be checked is searched in the block chain;

if the auditing reference information corresponding to the information to be audited is found, determining the auditing standard information according to the auditing reference information;

and if the auditing reference information corresponding to the information to be audited is not found, executing the step of broadcasting the auditing requirement in the block chain.

3. The method of claim 2, wherein after broadcasting the audit request in the blockchain, the method further comprises:

creating a new block in the blockchain to cause the other nodes to write the audit reference information to the new block.

4. The method of claim 2, wherein each tile in the tile chain contains a type identifier of an object;

the searching for the auditing reference information corresponding to the information to be audited in the block chain includes:

extracting the type identification of the object to be audited from the information to be audited;

searching a block containing the type identifier of the object to be checked in the block chain;

and acquiring auditing reference information corresponding to the information to be audited from the block.

5. The method of claim 1, wherein determining audit criteria information based on each of the audit reference information comprises:

extracting a value of a preset attribute from the information to be audited;

and determining the condition of the auditing standard information according to the value of the preset attribute, and determining the auditing standard information according to the auditing reference information under the condition.

6. The method according to claim 1, wherein the audit requirement includes the information to be audited, and after acquiring the audit requirement, each of the other nodes respectively extracts a group of keyword sets from the information to be audited, and crawls the audit reference information from the internet according to the keyword sets.

7. The method according to claim 6, wherein the receiving audit reference information sent by each of the other nodes comprises:

receiving the keyword set sent by each other node and the auditing reference information corresponding to the keyword set;

determining audit standard information based on each of the audit reference information, including:

determining a keyword reference set according to each keyword set;

determining the weight of each other node according to the similarity between the keyword set provided by each other node and the keyword reference set;

and performing weighted calculation on the auditing reference information provided by the other nodes through the weight to obtain the auditing standard information.

8. An information auditing device based on a block chain is characterized by comprising:

the acquisition module is used for acquiring information to be audited;

the broadcast module is used for broadcasting the auditing requirement in the block chain so that other nodes in the block chain can provide auditing reference information related to the information to be audited in response to the auditing requirement;

the receiving module is used for receiving the auditing reference information sent by each other node;

the determining module is used for determining auditing standard information based on the auditing reference information;

and the auditing module is used for auditing the information to be audited according to the auditing standard information.

9. An electronic device, comprising:

a processor; and

a memory for storing executable instructions of the processor;

wherein the processor is configured to perform the method of any of claims 1-7 via execution of the executable instructions.

10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 1 to 7.

Images