WO2020038096A1 - 一种基于区块链存证的识别双方证据真实性的方法及装置 - Google Patents

一种基于区块链存证的识别双方证据真实性的方法及装置 Download PDF

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WO2020038096A1
WO2020038096A1 PCT/CN2019/092637 CN2019092637W WO2020038096A1 WO 2020038096 A1 WO2020038096 A1 WO 2020038096A1 CN 2019092637 W CN2019092637 W CN 2019092637W WO 2020038096 A1 WO2020038096 A1 WO 2020038096A1
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evidence
electronic evidence
score
target
target electronic
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PCT/CN2019/092637
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English (en)
French (fr)
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杨新颖
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阿里巴巴集团控股有限公司
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Priority to SG11202007276XA priority Critical patent/SG11202007276XA/en
Priority to EP19852995.0A priority patent/EP3734535A4/en
Publication of WO2020038096A1 publication Critical patent/WO2020038096A1/zh
Priority to US16/938,650 priority patent/US20200357085A1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/018—Certifying business or products
    • G06Q30/0185—Product, service or business identity fraud
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/18—Legal services
    • G06Q50/182—Alternative dispute resolution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3827—Use of message hashing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/18—Legal services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
    • H04L9/0637—Modes of operation, e.g. cipher block chaining [CBC], electronic codebook [ECB] or Galois/counter mode [GCM]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/50—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using hash chains, e.g. blockchains or hash trees
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Definitions

  • the embodiments of the present specification relate to the field of information technology, and in particular, to a method and device for identifying the authenticity of evidence of both parties based on a blockchain certificate.
  • the embodiments of this specification provide a method and device for identifying the authenticity of the evidence of both parties based on the blockchain certificate.
  • the technical solution is as follows:
  • a method for identifying the authenticity of evidence of both parties based on a blockchain certificate including:
  • the prosecution evidence is an electronic evidence submitted by the prosecution party to confirm the event information of the case
  • the target process includes:
  • For the target electronic evidence determine whether the target electronic evidence has been stored by at least one alternative blockchain storage platform
  • the authenticity reference score corresponding to the target electronic evidence is positively related to the authenticity of the identified target electronic evidence, and the first score is greater than the second score.
  • a device for identifying the authenticity of evidence of both parties based on a blockchain certificate including:
  • a receiving module which receives the case event information uploaded by the prosecutor of the case
  • the prosecution evidence identification module determines the authenticity reference score corresponding to the prosecution evidence through the target process; the prosecution evidence is an electronic evidence submitted by the prosecution party to confirm the case event information;
  • a sending module sending the case event information and the prosecution evidence to a respondent in the case
  • the responding evidence identification module determines the authenticity reference score corresponding to the responding evidence through the target process when it is determined that the responding evidence exists; the responding evidence is proposed by the responding party and used for proof Electronic evidence of the incident information of the case in question;
  • the target process includes:
  • For the target electronic evidence determine whether the target electronic evidence has been stored by at least one alternative blockchain storage platform
  • the authenticity reference score corresponding to the target electronic evidence is positively related to the authenticity of the identified target electronic evidence, and the first score is greater than the second score.
  • the target process is used to identify the prosecution evidence provided by the prosecutor to confirm the case event;
  • the respondent's evidence used to falsify the incident in the case was identified by the respondent.
  • the target process is to identify the target electronic evidence (prosecution evidence or responding evidence), and when the target electronic evidence is determined to have been stored by at least one alternative blockchain certificate platform, the target electronic evidence is given. The higher the authenticity reference score, when it is determined that the target electronic evidence has not been deposited by at least one alternative blockchain certification platform, the target electronic evidence is given a lower authenticity reference score.
  • the high reference score of the authenticity of the target electronic evidence indicates that the identified target electronic evidence has a high degree of authenticity (real possibility) and a low possibility of being tampered with.
  • the electronic evidence that has been certified by the blockchain certification platform is often tamper-resistant, and the authenticity reference score corresponding to the electronic evidence is based on whether the electronic evidence has been certified by the blockchain certification platform. Taking the authenticity reference score corresponding to electronic evidence as a reference can significantly reduce the difficulty for judicial officers to review the authenticity of electronic evidence.
  • FIG. 1 is a schematic flowchart of a method for identifying authenticity of evidence based on a blockchain certificate provided by an embodiment of the present specification
  • FIG. 2 is a schematic flowchart of a method for identifying authenticity of evidence of both parties based on blockchain certificate provided by an embodiment of this specification;
  • FIG. 3 is a schematic structural diagram of a device for identifying authenticity of evidence based on a blockchain certificate provided by an embodiment of the present specification
  • FIG. 4 is a schematic structural diagram of a device for identifying the authenticity of evidence of both parties based on a blockchain certificate provided by an embodiment of the present specification
  • FIG. 5 is a schematic structural diagram of a computer device for configuring a method according to an embodiment of the present specification.
  • FIG. 1 is a schematic flowchart of a method for identifying the authenticity of evidence based on a blockchain certificate provided by an embodiment of this specification, including the following steps:
  • Step S100 For the target electronic evidence, determine whether the target electronic evidence has been stored on at least one alternative blockchain storage platform, and if it is determined that the target electronic evidence has been stored on at least one alternative blockchain storage platform , Step S102 is performed, and if it is determined that the target electronic evidence has not been registered with at least one alternative blockchain certificate storage platform, step S104 is performed.
  • the execution subject of this method may be a device (herein referred to as an identification device) managed by a subject (such as a court) who needs to identify the authenticity of electronic evidence.
  • the identification device may be a court's online case acceptance system, the online case acceptance system accepts cases online, identifies the authenticity of the electronic evidence related to the case, and recognizes the identification result (electronic evidence corresponding The authenticity reference score) is provided to the judge for reference.
  • the electronic evidence described in this article can be generated in electronic form (such as a web page) or electronic form of physical evidence (such as a photograph of an IOU).
  • the target electronic evidence refers to the electronic evidence whose authenticity is to be identified. It can be evidence provided by the prosecution of the case, evidence provided by the prosecution of the case, or other relevant persons of the case ( (E.g. investigators, such as case stakeholders).
  • the blockchain certificate storage platform is a service organization that stores certificates uploaded by users based on the blockchain technology. Users can use the blockchain certificate platform to deposit electronic evidence that will need to be preserved. Generally, the blockchain certificate storage platform implements the storage of electronic evidence through the data structure of transactions in the blockchain network.
  • a transaction described in this specification refers to a piece of data created by a user through a client of the blockchain and which needs to be finally published to the distributed database of the blockchain.
  • transactions in the blockchain are divided into narrow transactions and broad transactions.
  • a narrow transaction refers to a value transfer issued by a user to the blockchain; for example, in a traditional Bitcoin blockchain network, a transaction can be a transfer initiated by a user in the blockchain.
  • the generalized transaction refers to a piece of business data with business intent issued by the user to the blockchain; for example, the operator can build an alliance chain based on actual business needs, and rely on the alliance chain to deploy other types that are not related to value transfer.
  • Online business (such as renting business, vehicle scheduling business, insurance claims business, credit services, medical services, etc.), and in this type of alliance chain, the transaction can be a business with a business intent issued by the user in the alliance chain Message or business request.
  • the blockchain certificate storage platform can be used as a node in the blockchain network.
  • a transaction can be constructed to contain the evidence hash of the electronic evidence (of course, it can also contain the Electronic evidence itself), and broadcast the constructed transaction to the blockchain network, so that each node subsequently deposits the transaction into its own blockchain based on the consensus mechanism. In this way, multi-party deposit of electronic evidence is achieved.
  • the transaction only contains the evidence hash of the electronic evidence, since the evidence hash of the electronic evidence has been released to the blockchain, if the electronic evidence is tampered with, the tampered evidence evidence of the electronic evidence will be compared with the area. The published evidence hashes in the blockchain are inconsistent.
  • the blockchain certificate storage platform generally stores the electronic evidence separately in the data warehouse (non-blockchain).
  • the blockchain certificate storage platform can also rely on the factom architecture to provide users with electronic evidence storage services.
  • several blockchain certificate storage platforms on the market may be designated as alternative blockchain certificate storage platforms.
  • the court may select several blockchain certification platforms from the blockchain certification platforms on the market as alternative blockchain certification platforms, and establish a cooperative relationship with each alternative blockchain certification platform.
  • the online case acceptance system can be docked with the server of each alternative blockchain certificate platform.
  • the manner in which the identification device determines whether the target electronic evidence has been deposited by at least one alternative blockchain depository platform includes at least the following four methods:
  • the target electronic evidence uploaded by the user; for each alternative blockchain certificate storage platform, make an inquiry to the alternative blockchain certificate storage platform to determine the mandate of the alternative blockchain certificate storage platform. Whether the target electronic evidence is included in a transaction; if yes, it is determined that the target electronic evidence has been deposited by the alternative blockchain certification platform; otherwise, it is determined that the target electronic evidence is not the alternative blockchain Certificate deposit platform deposit certificate.
  • the user who uploaded the target electronic evidence may be the prosecutor, respondent or other relevant person in the case.
  • the target electronic evidence uploaded by the user; calculate the evidence hash of the target electronic evidence according to the target electronic evidence; and for each candidate blockchain certificate storage platform, send the backup to the backup device according to the evidence hash.
  • Select a blockchain certification platform to make a query to determine whether any transaction deposited on the alternative blockchain certification platform contains the evidence hash; if so, determine that the target electronic evidence has been selected by the candidate Blockchain certificate storage platform; otherwise, it is determined that the target electronic evidence is not certificated by the alternative blockchain certificate storage platform.
  • the user who uploaded the target electronic evidence can be the prosecutor, respondent or other relevant person in the case.
  • the user needs to upload the target electronic evidence to the identification device. If the target electronic evidence is indirectly stored in the form of evidence hash, then the identification device can calculate the evidence hash of the electronic evidence and The calculated hash of the evidence is used as a clue, and the verification is performed on each candidate blockchain certification platform to determine whether the target electronic evidence is actually stored in at least one alternative blockchain registration platform; if the target electronic evidence is The certificate is directly deposited, and the identification device can directly verify whether the target electronic evidence has been released to the blockchain to each candidate blockchain certification platform.
  • the user who uploads the target transaction hash can be the prosecutor, respondent, or other relevant person in the case.
  • the target transaction hash is the transaction hash of the target transaction
  • the target transaction is the transaction containing the evidence hash of the target electronic evidence.
  • the user only needs to upload the target transaction hash to the identification device, instead of uploading the target electronic evidence.
  • the identification device queries the target transaction hash corresponding to the target transaction hash on each alternative blockchain depository platform according to the target transaction hash. If the target transaction cannot be found, the target transaction hash is deemed invalid, further indicating that the target electronic evidence is not Deposited by at least one alternative blockchain certification platform; if the target transaction is found, the electronic evidence deposited through the target transaction is the target electronic evidence.
  • the target electronic evidence may be directly extracted from the target transaction; if the target electronic is included in the target transaction stored in the blockchain
  • the evidence hash of the evidence can be obtained from other sources (such as a data warehouse) by using the evidence hash as a clue.
  • the user can upload the target electronic evidence and the target transaction hash to the identification device.
  • the target electronic evidence is published to the blockchain through the data structure of the target transaction.
  • the target transaction may include the electronic evidence itself, or it may only contain the evidence hash of the target electronic evidence.
  • the identification device may use multiple methods to determine whether the target electronic evidence has been deposited by at least one alternative blockchain certificate storage platform and identify the authenticity of the target electronic evidence accordingly. (That is, the real possibility).
  • target electronic evidence is not documented by any one of the alternative blockchain certification platforms, it means that the true degree of the target electronic evidence is unknown and may be tampered with; if the target electronic evidence is tampered with; The evidence has been stored by at least one alternative blockchain certificate storage platform, then it means that the target electronic evidence is more authentic and has a lower possibility of being tampered with.
  • S102 Determine a first score as the authenticity reference score corresponding to the target electronic evidence.
  • S104 Determine a second score as the authenticity reference score corresponding to the target electronic evidence.
  • the concept of authenticity reference score is introduced to quantify the authenticity of electronic evidence.
  • the authenticity reference score may be a percentage system. Assuming that the authenticity reference score corresponding to the target electronic evidence is 90, it means that the probability that the identification device believes that the target electronic evidence has not been tampered with reaches 90%.
  • a higher authenticity reference score ie, the first score
  • a lower authenticity reference score ie, a second score
  • the authenticity reference score corresponding to the target electronic evidence is high, indicating that the identified target electronic evidence has a high degree of authenticity (real possibility) and a low possibility of being tampered with.
  • the electronic evidence that has been certified by the blockchain certification platform is often tamper-resistant, and the authenticity reference score corresponding to the electronic evidence is based on whether the electronic evidence has been certified by the blockchain certification platform.
  • the authenticity reference score corresponding to electronic evidence can be used as a reference, which can significantly reduce the difficulty for judicial officers to review the authenticity of electronic evidence.
  • categories may be set, and for each category, a scoring rule corresponding to the category is set.
  • Corresponding categories can be set according to the different types of cases involved in electronic evidence, such as the following categories: 1. Internet copyright cases-distribution rights; 2. criminal cases-fraud; 3. Contract disputes-breach of contract.
  • a category to which the target electronic evidence belongs may be determined as the target category; and a first score is determined according to a scoring rule corresponding to the target category.
  • a category to which the target electronic evidence belongs may be determined as the target category; and a second score is determined according to a scoring rule corresponding to the target category.
  • Different categories have different scoring rules, which means that even if it is the same electronic evidence, the electronic evidence belongs to different categories, and the authenticity reference scores obtained may be different.
  • categories 1. Internet copyright cases-distribution rights; 2. criminal cases-fraud; of which, the scoring rules corresponding to category 1 are relatively loose, and the scoring rules corresponding to category 2 are relatively strict.
  • the target electronic evidence is a recording , Has been stored in an alternative blockchain certification platform, if this recording is classified as category 1, the authenticity reference score obtained by this recording may be 99 points, if this recording is classified as category 2, The authenticity reference score for this recording may be 80 points.
  • score intervals corresponding to the category can be set in advance, and for each score interval corresponding to the category, the authenticity reference level corresponding to the score interval can be set; for any For the two score intervals, the score interval with the larger left endpoint (or the right endpoint value) corresponds to the higher level of authenticity reference, that is, the score interval with the larger left endpoint value corresponds to the higher level of authenticity reference.
  • the score intervals do not overlap.
  • the authenticity reference score is a percentage system
  • [0,100] can be divided into several score intervals, that is, [0,40), [40,80), [80,100], as the The score interval corresponding to the category.
  • set a corresponding authenticity reference level for example, [0, 40) corresponds to the authenticity level is level 1, [40, 80) is level 2, and [80, 100]
  • the corresponding authenticity level is level 3.
  • the category of evidence to which the target electronic evidence belongs can be determined as the target evidence category; then, in the score interval corresponding to the target category, all the The score interval in which the authenticity reference score corresponding to the target electronic evidence falls is used as the target score interval; and the authenticity reference level corresponding to the target score interval is determined as the authenticity reference corresponding to the target electronic evidence grade.
  • the scoring rules and / or score intervals corresponding to a certain category may be adjusted according to the final determination result of the authenticity of the electronic evidence in the judicial process.
  • the authenticity level of authenticity corresponding to the electronic evidence is obtained; the authenticity level of authenticity corresponding to the electronic evidence is determined through judicial procedures; Among the electronic evidences in this category, the electronic evidences with inconsistency between the authenticity reference level and the authenticity level of authenticity are selected as the designated electronic evidence; if the proportion of the designated electronic evidence in the electronic evidence subordinate to the category is greater than the specified proportion, the For each credible level of authenticity of the specified electronic evidence, adjust the scoring rules and / or score intervals corresponding to the category, so that for each specified electronic evidence, according to the adjusted scoring rules and / or scores of the category The authenticity reference level corresponding to the specified electronic evidence obtained at the interval is consistent with the authenticity credibility level corresponding to the specified electronic evidence.
  • the online case acceptance system After the online case acceptance system has been running for a period of time, it has successively identified the authenticity of 100 electronic evidences belonging to category 1, and obtained the authenticity reference levels corresponding to the 100 electronic evidences. After the 100 electronic evidences were successively submitted to the court, the court determined through judicial procedures that the 100 electronic evidences correspond to the authenticity and credibility levels, of which the authenticity reference level and the authenticity credibility level of the electronic evidence (designated There are 25 electronic evidences, accounting for 25% and greater than 20% (specified ratio).
  • the online case acceptance system can adjust the scoring rules corresponding to category 1 and / or the score interval, so that for each According to the designated electronic evidence, according to the adjusted scoring rules and / or the value interval, the authenticity reference level corresponding to the designated electronic evidence is consistent with the authenticity credibility level corresponding to the designated electronic evidence.
  • the target electronic evidence if it is determined that the target electronic evidence has not been deposited by any alternative blockchain certification platform, it can be further judged whether the target electronic evidence has been designated by the user in a non-alternative zone Blockchain certificate storage platform, if yes, determine the third score corresponding to the target electronic evidence as the authenticity reference score corresponding to the target electronic evidence, otherwise, determine the second score corresponding to the target electronic evidence, The authenticity reference score corresponding to the target electronic evidence.
  • the third score is greater than the second score, and the third score is less than the first score.
  • the target electronic evidence is not stored in any of the alternative blockchain certification platforms, it has been stored in a non-alternative blockchain certification platform (not pre-connected with the identification device). Proof, then, the authenticity of the target electronic evidence can be recognized to a certain degree.
  • the designated score may be determined as the second score, or when it is determined that the designated condition is satisfied, a score greater than the designated score is determined as the second score.
  • determining that the specified conditions are met specifically refers to: for each candidate blockchain certification platform, determining the electronic evidence most similar to the target electronic evidence among the electronic evidence stored on the alternative blockchain platform, As the similar electronic evidence corresponding to the target electronic evidence; calculating the similarity between the target electronic evidence and the similar electronic evidence as the similarity corresponding to the target electronic evidence; the greater the similarity corresponding to the target electronic evidence , The more similar the target electronic evidence is to the similar electronic evidence; from each similarity corresponding to the target electronic evidence, the largest similarity is selected as the maximum similarity; if the maximum similarity is greater than a specified similarity, Then it is determined that the specified conditions are met.
  • the version of the electronic evidence uploaded by the user to the blockchain certification platform for certification is the original version (called the original electronic evidence), and then the electronic evidence provided by the user to the identification device
  • the latest version (latest electronic evidence) the original electronic evidence is often similar to the latest electronic evidence, but there are some differences, which causes the identification equipment to verify the authenticity of the latest electronic evidence, it will be determined that the latest electronic evidence has not been Deposit certificates on any alternative blockchain depository platform.
  • the target electronic evidence is not stored on any of the alternative blockchain certification platforms, but is similar to an electronic evidence that has already been stored, you can refer to the authenticity of the target electronic evidence.
  • the score is determined as a higher score (but should be less than the first score).
  • FIG. 2 is a method for identifying the authenticity of the evidence of both parties based on a blockchain certificate provided by an embodiment of this specification, including the following steps:
  • S200 Receive the case event information uploaded by the prosecutor of the case.
  • S204 Send the case event information and the prosecution evidence to the respondent in the case.
  • the execution subject of this method may also be the identification device described above, or may be specifically the online case acceptance system described above.
  • the prosecutor may be a plaintiff in a civil case, a public prosecutor, a victim, or a relative of a victim in a criminal case.
  • the respondent may be the court in a civil case, the criminal suspect in a criminal case, or a relative of a criminal suspect.
  • the prosecution evidence is provided by the prosecution and used to confirm electronic evidence of the case event information
  • the respondent evidence is provided by the respondent and used to prove Fake electronic evidence of the case event information.
  • the target process is actually the method process shown in FIG. 1.
  • the target process refers to the foregoing, and will not be described again.
  • the prosecutor of the case claims that a case event that actually occurred.
  • the prosecution evidence provided by the prosecutor to confirm the case event is identified; on the other hand,
  • the target process is to identify the responding evidence proposed by the claimant to falsify the case event.
  • the target process is to identify the target electronic evidence (prosecution evidence or responding evidence), and when the target electronic evidence is determined to have been stored by at least one alternative blockchain certificate platform, the target electronic evidence is given.
  • the high reference score of the authenticity of the target electronic evidence indicates that the identified target electronic evidence has a high degree of authenticity (real possibility) and a low possibility of being tampered with.
  • the electronic evidence that has been certified by the blockchain certification platform is often tamper-resistant, and the authenticity reference score corresponding to the electronic evidence is based on whether the electronic evidence has been certified by the blockchain certification platform. Taking the authenticity reference score corresponding to electronic evidence as a reference can significantly reduce the difficulty for judicial officers to review the authenticity of electronic evidence.
  • the authenticity reference score corresponding to the prosecution evidence may be modified according to the presence or absence of the response evidence and the authenticity reference score corresponding to the response evidence.
  • the authenticity reference score corresponding to the lawsuit evidence may be increased.
  • the authenticity reference score corresponding to the prosecution evidence is already full marks, in fact, it cannot be further increased. Therefore, in fact, when it is determined that there is no evidence for responding, and the authenticity reference score corresponding to the prosecution evidence does not reach the full score, the authenticity reference score corresponding to the prosecution evidence is increased.
  • the respondent did not provide electronic evidence to falsify the case event information, which means that the respondent is likely to default the case event information to be true.
  • raising the authenticity reference score corresponding to the prosecution evidence can further reduce the difficulty for judicial officers to review the authenticity of electronic evidence.
  • the responding evidence when it is determined that the responding evidence exists, it can be judged whether the authenticity reference score corresponding to the responding evidence satisfies a preset modification triggering condition, and if so, correcting the authenticity reference score corresponding to the prosecution evidence.
  • the correction trigger condition is that the authenticity reference score corresponding to the response evidence is greater than a first specified threshold
  • the authenticity reference score corresponding to the prosecution evidence may be reduced; when the correction trigger condition is When the authenticity reference score corresponding to the responding evidence is less than the second specified threshold, the authenticity reference score corresponding to the prosecution evidence may be increased; wherein the first specified threshold is greater than the second specified threshold.
  • the authenticity reference score corresponding to the responding evidence when the authenticity reference score corresponding to the responding evidence is too large, it is equivalent to indirectly weakening the authenticity of the prosecution evidence. Therefore, the authenticity reference score corresponding to the prosecution evidence may be lowered. Specifically, the authenticity reference score corresponding to the prosecution evidence may be lowered, so that the authenticity reference level corresponding to the prosecution evidence is lowered.
  • the authenticity reference score corresponding to the responding evidence when the authenticity reference score corresponding to the responding evidence is too small, it is equivalent to indirectly enhancing the authenticity of the prosecution evidence. Therefore, the authenticity reference score corresponding to the prosecution evidence can be increased. Specifically, the authenticity reference score corresponding to the prosecution evidence may be increased, so that the authenticity reference level corresponding to the prosecution evidence is increased.
  • the embodiment of this specification also correspondingly provides a device for identifying the authenticity of evidence based on the blockchain certificate, as shown in FIG. 3, include:
  • a judging module 301 for the target electronic evidence, judging whether the target electronic evidence has been stored in at least one candidate blockchain storage platform;
  • the first processing module 302 if the judgment module 301 determines that the target electronic evidence has been deposited by at least one alternative blockchain certificate storage platform, then determines a first score as a authenticity reference corresponding to the target electronic evidence score;
  • the second processing module 303 if the judgment module 301 determines that the target electronic evidence is not stored in at least one alternative blockchain certificate storage platform, then determines a second score as the authenticity reference corresponding to the target electronic evidence score;
  • the authenticity reference score corresponding to the target electronic evidence is positively related to the authenticity of the identified target electronic evidence, and the first score is greater than the second score.
  • the judgment module 301 obtains the target electronic evidence uploaded by the user; calculates the evidence hash of the target electronic evidence according to the target electronic evidence; and for each alternative blockchain certificate storage platform, according to the evidence hash , Querying the alternative blockchain certification platform to determine whether any transaction deposited on the alternative blockchain certification platform includes the evidence hash; if so, determining that the target electronic evidence has been Deposited by the alternative blockchain certification platform; otherwise, it is determined that the target electronic evidence is not deposited by the alternative blockchain certification platform.
  • the judgment module 301 obtains a target transaction hash uploaded by a user; for each candidate blockchain certificate storage platform, according to the transaction hash, a query is made to the candidate blockchain certificate storage platform to determine the Whether there is a transaction with a transaction hash as the target transaction hash in the transactions recorded by the alternative blockchain certificate storage platform; if it exists, the transaction with the transaction hash as the target transaction hash as the target transaction is The electronic evidence of the target transaction evidence is determined as the target electronic evidence, and it is determined that the target electronic evidence has been deposited by the alternative blockchain certificate storage platform; if it does not exist, it is determined that the target electronic evidence is not Deposited by this alternative blockchain depository platform.
  • the judgment module 301 obtains a target electronic evidence and a target transaction hash uploaded by a user; and for each candidate blockchain certificate storage platform, according to the target transaction hash, it is performed to the candidate blockchain certificate storage platform. Query to determine if there is a transaction with a transaction hash as the target transaction hash in the transactions recorded by the alternative blockchain certificate storage platform; if it exists, a transaction with the transaction hash as the target transaction hash For the target transaction, determine whether the electronic evidence deposited through the target transaction is the same as the target electronic evidence, and if so, determine that the target electronic evidence has been stored on the alternative blockchain storage platform, if not , Then it is determined that the target electronic evidence has not been deposited with the alternative blockchain certification platform; if it does not exist, it is determined that the target electronic evidence has not been deposited with the alternative blockchain certification platform.
  • the first processing module 302 determines a category to which the target electronic evidence belongs as a target category, and determines a first score or a second score according to a scoring rule corresponding to the target category;
  • the second processing module 303 determines a category to which the target electronic evidence belongs as a target category; and determines a second score according to a scoring rule corresponding to the target category.
  • For each category set several score intervals corresponding to the category in advance, and for each score interval corresponding to the category, set the reference level of authenticity corresponding to the score interval; for any two score intervals , The score interval with a larger left endpoint value corresponds to a higher level of authenticity reference;
  • the device further includes:
  • the rating evaluation module 304 determines, in the score interval corresponding to the target category, the score interval in which the authenticity reference score corresponding to the target electronic evidence falls, as the target score interval; and sets the target score interval
  • the corresponding authenticity reference level is determined as the authenticity reference level corresponding to the target electronic evidence, so that for each specified electronic evidence, the specified electronic obtained according to the adjusted scoring rule and / or score interval corresponding to the category
  • the reference level of authenticity corresponding to the evidence is consistent with the authenticity level corresponding to the specified electronic evidence.
  • the device further includes: an adjustment module 305, for any category, for each electronic evidence subordinate to the category, obtaining the authenticity level corresponding to the electronic evidence; the authenticity level corresponding to the electronic evidence is passed Ascertained by judicial procedures; among the electronic evidence belonging to this category, the electronic evidence whose authenticity reference level is different from the authenticity credibility level is selected as the designated electronic evidence; if the designated electronic evidence accounts for the electronic evidence belonging to this category If the ratio is greater than the specified ratio, the scoring rules and / or score intervals corresponding to the category are adjusted according to the authenticity level of authenticity corresponding to each specified electronic evidence.
  • the second processing module 303 determines whether the target electronic evidence has been stored by a non-alternative blockchain certification platform designated by the user; if so, determining a third score corresponding to the target electronic evidence as the Authenticity reference score corresponding to the target electronic evidence; otherwise, determining a second score corresponding to the target electronic evidence as the authenticity reference score corresponding to the target electronic evidence; wherein the third score is greater than the second score And the third score is smaller than the first score.
  • the second processing module 303 determines the designated score as the second score; or when it is determined that the designated condition is satisfied, determines a score greater than the designated score as the second score;
  • For each candidate blockchain certification platform determine the electronic evidence most similar to the target electronic evidence among the electronic evidence stored on the alternative blockchain platform as the similar electronic evidence corresponding to the target electronic evidence ;
  • the embodiment of this specification also correspondingly provides a device for identifying the authenticity of the evidence of both parties based on the blockchain certificate, as shown in FIG. 4. Instructions, including:
  • the receiving module 401 receives the case event information uploaded by the prosecutor of the case;
  • Prosecution evidence identification module 402 determines the authenticity reference score corresponding to the prosecution evidence through the target process; the prosecution evidence is an electronic evidence submitted by the prosecution party to confirm the case event information;
  • the responding evidence identification module 404 determines the authenticity reference score corresponding to the responding evidence through the target process when it is determined that the responding evidence exists; the responding evidence is provided by the responding party and is used for Electronic evidence that falsifies the case event information;
  • the target process includes:
  • the target electronic evidence determine whether the target electronic evidence has been documented by at least one alternative blockchain certification platform; the target electronic evidence is the prosecution evidence or the responding evidence;
  • the authenticity reference score corresponding to the target electronic evidence is positively related to the authenticity of the identified target electronic evidence, and the first score is greater than the second score.
  • judging whether the target electronic evidence has been stored by at least one alternative blockchain storage platform including:
  • each candidate blockchain certificate storage platform For each candidate blockchain certificate storage platform, according to the evidence hash, query the candidate blockchain certificate storage platform to determine whether any transaction of the candidate blockchain certificate storage platform Whether the evidence hash is included;
  • judging whether the target electronic evidence has been stored by at least one alternative blockchain storage platform including:
  • the transaction hash is a transaction of the target transaction hash
  • the transaction with the transaction hash as the target transaction hash is the target transaction, and the electronic evidence deposited through the target transaction is determined as the target electronic evidence, and it is determined that the target electronic evidence has been retained by the backup Select a blockchain certificate deposit platform to deposit the certificate;
  • judging whether the target electronic evidence has been stored by at least one alternative blockchain storage platform including:
  • each candidate blockchain certificate storage platform For each candidate blockchain certificate storage platform, according to the target transaction hash, query the candidate blockchain certificate storage platform to determine whether the transaction recorded by the candidate blockchain certificate storage platform is There is a transaction whose transaction hash is the target transaction hash;
  • the transaction hash as the target transaction hash as the target transaction, and determine whether the electronic evidence deposited through the target transaction is the same as the target electronic evidence, and if so, determine the target electronic Evidence has been stored in the alternative blockchain certification platform; if not, it is determined that the target electronic evidence has not been stored in the alternative blockchain certification platform;
  • Determine the first or second score including:
  • a first score or a second score is determined according to a scoring rule corresponding to the target category.
  • For each category set several score intervals corresponding to the category in advance, and for each score interval corresponding to the category, set the reference level of authenticity corresponding to the score interval; for any two score intervals , The score interval with a larger left endpoint value corresponds to a higher level of authenticity reference;
  • the target process further includes:
  • the authenticity reference level corresponding to the target score interval is determined as the authenticity reference level corresponding to the target electronic evidence.
  • the target process further includes:
  • the electronic evidence inconsistent with the authenticity reference level and the authenticity credibility level is selected as the designated electronic evidence;
  • the scoring rules and / or score intervals corresponding to the category are adjusted according to the authenticity level of authenticity corresponding to each specified electronic evidence, so that for each designated electronic evidence, the authenticity reference level corresponding to the designated electronic evidence obtained according to the adjusted scoring rules and / or score intervals corresponding to the category is consistent with the authenticity credibility level corresponding to the designated electronic evidence.
  • Determining the second score as the authenticity reference score corresponding to the target electronic evidence specifically includes:
  • the third score is greater than the second score, and the third score is less than the first score.
  • Determine the second score including:
  • For each candidate blockchain certification platform determine the electronic evidence most similar to the target electronic evidence among the electronic evidence stored on the alternative blockchain platform as the similar electronic evidence corresponding to the target electronic evidence ;
  • the device further includes:
  • the first correction module 405 if it is determined that there is no evidence for responding to the lawsuit, increases the authenticity reference score corresponding to the lawsuit evidence.
  • the device further includes:
  • the second correction module 406 corrects the authenticity reference score corresponding to the prosecution evidence if the authenticity reference score corresponding to the prosecution evidence meets a preset modification trigger condition.
  • the second correction module 406 lowers the authenticity reference score corresponding to the prosecution evidence when the correction trigger condition is that the authenticity reference score corresponding to the responding evidence is greater than a first specified threshold; when the correction The trigger condition is that the authenticity reference score corresponding to the prosecution evidence is increased when the authenticity reference score corresponding to the response evidence is less than a second specified threshold; wherein the first specified threshold value is greater than the second specified threshold.
  • An embodiment of the present specification further provides a computer device including at least a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein when the processor executes the program, FIG. 1 and / or FIG. Function of the method described in 2.
  • FIG. 5 shows a more specific schematic diagram of the hardware structure of a computing device provided by an embodiment of the present specification.
  • the device may include a processor 1010, a memory 1020, an input / output interface 1030, a communication interface 1040, and a bus 1050.
  • the processor 1010, the memory 1020, the input / output interface 1030, and the communication interface 1040 implement a communication connection within the device through a bus 1050.
  • the processor 1010 may be implemented by a general-purpose CPU (Central Processing Unit), a microprocessor, an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits, etc., for performing related operations. Program to implement the technical solutions provided by the embodiments of this specification.
  • a general-purpose CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the memory 1020 can be implemented in the form of ROM (Read Only Memory), RAM (Random Access Memory), static storage devices, dynamic storage devices, and the like.
  • the memory 1020 may store an operating system and other application programs.
  • related program codes are stored in the memory 1020 and are called and executed by the processor 1010.
  • the input / output interface 1030 is used to connect an input / output module to implement information input and output.
  • the input / output / module can be configured in the device as a component (not shown in the figure), or it can be externally connected to the device to provide corresponding functions.
  • the input device may include a keyboard, a mouse, a touch screen, a microphone, various sensors, etc.
  • the output device may include a display, a speaker, a vibrator, and an indicator light.
  • the communication interface 1040 is used to connect a communication module (not shown in the figure) to implement communication interaction between the device and other devices.
  • the communication module can implement communication through a wired method (such as USB, network cable, etc.), and can also implement communication through a wireless method (such as mobile network, WIFI, Bluetooth, etc.).
  • the bus 1050 includes a path for transmitting information between various components of the device (for example, the processor 1010, the memory 1020, the input / output interface 1030, and the communication interface 1040).
  • the device may further include necessary Other components.
  • the foregoing device may also include only components necessary to implement the solutions of the embodiments of the present specification, and does not necessarily include all the components shown in the drawings.
  • An embodiment of the present specification also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the functions of the method described in FIG. 1 and / or FIG. 2 are implemented.
  • Computer-readable media includes both permanent and non-persistent, removable and non-removable media.
  • Information can be stored by any method or technology.
  • Information may be computer-readable instructions, data structures, modules of a program, or other data.
  • Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static random access memory (SRAM), dynamic random access memory (DRAM), other types of random access memory (RAM), and read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, read-only disc read-only memory (CD-ROM), digital versatile disc (DVD) or other optical storage, Magnetic tape cartridges, magnetic tape magnetic disk storage or other magnetic storage devices or any other non-transmission media may be used to store information that can be accessed by computing devices.
  • computer-readable media does not include temporary computer-readable media, such as modulated data signals and carrier waves.
  • the embodiments of the present specification can be implemented by means of software plus a necessary universal hardware platform. Based on such an understanding, the technical solutions of the embodiments of the present specification may be embodied in the form of software products that are essentially or contribute to the existing technology.
  • the computer software product may be stored in a storage medium, such as ROM / RAM, Magnetic disks, optical disks, and the like include a number of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to perform the methods described in various embodiments or portions of the embodiments of this specification.
  • the system, method, module, or unit described in the foregoing embodiments may be specifically implemented by a computer chip or entity or a product with a certain function.
  • a typical implementation device is a computer, and the specific form of the computer may be a personal computer, a laptop computer, a cellular phone, a camera phone, a smart phone, a personal digital assistant, a media player, a navigation device, an email sending and receiving device, and a game control Desk, tablet computer, wearable device, or a combination of any of these devices.
  • each embodiment in this specification is described in a progressive manner, and the same or similar parts between the various embodiments can be referred to each other. Each embodiment focuses on the differences from other embodiments.
  • the description is relatively simple, and for the relevant parts, refer to the description of the method embodiments.
  • the method embodiments described above are only schematic, and the modules described as separate components may or may not be physically separated. When implementing the solutions of the embodiments of this specification, the functions of each module may be the same. Or multiple software and / or hardware. Some or all of the modules may also be selected according to actual needs to achieve the objective of the solution of this embodiment. Those of ordinary skill in the art can understand and implement without creative efforts.

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Abstract

一种基于区块链存证的识别双方证据真实性的方法及装置。针对案件的起诉方主张为真实发生的某个案件事件，一方面通过目标流程，对起诉方提出的用于证实该案件事件的起诉证据进行识别，另一方面通过目标流程，对应诉方提出的用于证伪该案件事件的应诉证据进行识别。其中，所述目标流程为，对目标电子证据进行识别，当确定目标电子证据已经被至少一个备选区块链存证平台存证时，对目标电子证据给出较高的真实性参考评分，当确定目标电子证据未被至少一个备选区块链存证平台存证时，对目标电子证据给出较低的真实性参考评分。

Description

一种基于区块链存证的识别双方证据真实性的方法及装置 技术领域
本说明书实施例涉及信息技术领域，尤其涉及一种基于区块链存证的识别双方证据真实性的方法及装置。
背景技术
目前，对于司法人员(如法官、检察官)而言，审查起诉方和应诉方提交的电子证据(可以是以电子形式产生的证据，也可以是实物证据的电子形式)是否真实未篡改，并不容易。有时，司法人员会误将已被篡改的电子证据认定为真实的电子证据。
基于此，需要一种识别双方证据真实性的方法，以降低司法人员审查电子证据真实性的难度。
发明内容
为了解决司法人员审查电子证据真实性的难度较高的问题，本说明书实施例提供一种基于区块链存证的识别双方证据真实性的方法及装置，技术方案如下：
根据本说明书实施例的第1方面，提供一种基于区块链存证的识别双方证据真实性的方法，包括：
接收案件的起诉方上传的案件事件信息；
通过目标流程，确定起诉证据对应的真实性参考评分；所述起诉证据是所述起诉方提出的，用于证实所述案件事件信息的电子证据；
将所述案件事件信息和所述起诉证据发送给案件的应诉方；
当确定存在应诉证据时，通过所述目标流程，确定所述应诉证据对应的真实性参考评分；所述应诉证据是所述应诉方提出的，用于证伪所述案件事件信息的电子证据；
其中，所述目标流程包括：
针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证；
若确定所述目标电子证据已被至少一个备选区块链存证平台存证，则确定第一评分，作为所述目标电子证据对应的真实性参考评分；
若确定所述目标电子证据未被至少一个备选区块链存证平台存证，则确定第二评分，作为所述目标电子证据对应的真实性参考评分；
所述目标电子证据对应的真实性参考评分与识别出的所述目标电子证据的真实程度正相关，所述第一评分大于所述第二评分。
根据本说明书实施例的第2方面，提供一种基于区块链存证的识别双方证据真实性的装置，包括：
接收模块，接收案件的起诉方上传的案件事件信息；
起诉证据识别模块，通过目标流程，确定起诉证据对应的真实性参考评分；所述起诉证据是所述起诉方提出的，用于证实所述案件事件信息的电子证据；
发送模块，将所述案件事件信息和所述起诉证据发送给案件的应诉方；
应诉证据识别模块，当确定存在应诉证据时，通过所述目标流程，确定所述应诉证据对应的真实性参考评分；所述应诉证据是所述应诉方提出的，用于证伪所述案件事件信息的电子证据；
其中，所述目标流程包括：
针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证；
若确定所述目标电子证据已被至少一个备选区块链存证平台存证，则确定第一评分，作为所述目标电子证据对应的真实性参考评分；
若确定所述目标电子证据未被至少一个备选区块链存证平台存证，则确定第二评分，作为所述目标电子证据对应的真实性参考评分；
所述目标电子证据对应的真实性参考评分与识别出的所述目标电子证据的真实程度正相关，所述第一评分大于所述第二评分。
本说明书实施例所提供的技术方案，针对案件的起诉方主张为真实发生的某个案件事件，一方面通过目标流程，对起诉方提出的用于证实该案件事件的起诉证据进行识别，另一方面通过目标流程，对应诉方提出的用于证伪该案件事件的应诉证据进行识别。其中，所述目标流程为，对目标电子证据(起诉证据或应诉证据)进行识别，当确定目标 电子证据已经被至少一个备选区块链存证平台存证时，对目标电子证据给出较高的真实性参考评分，当确定目标电子证据未被至少一个备选区块链存证平台存证时，对目标电子证据给出较低的真实性参考评分。目标电子证据对应的真实性参考评分较高，说明识别出的目标电子证据的真实程度(真实的可能性)较高，被篡改的可能性较低。已被区块链存证平台存证的电子证据往往具有不可篡改的特性，而电子证据对应的的真实性参考评分是根据电子证据是否已被区块链存证平台存证作出的，如此，以电子证据对应的真实性参考评分为参考，可以显著降低司法人员审查电子证据真实性的难度。
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本说明书实施例。
此外，本说明书实施例中的任一实施例并不需要达到上述的全部效果。
附图说明
为了更清楚地说明本说明书实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本说明书实施例中记载的一些实施例，对于本领域普通技术人员来讲，还可以根据这些附图获得其他的附图。
图1是本说明书实施例提供的一种基于区块链存证的识别证据真实性的方法的流程示意图；
图2是本说明书实施例提供的一种基于区块链存证的识别双方证据真实性的方法的流程示意图；
图3是本说明书实施例提供的一种基于区块链存证的识别证据真实性的装置的结构示意图；
图4是本说明书实施例提供的一种基于区块链存证的识别双方证据真实性的装置的结构示意图；
图5是用于配置本说明书实施例方法的一种计算机设备的结构示意图。
具体实施方式
为了使本领域技术人员更好地理解本说明书实施例中的技术方案，下面将结合本说明书实施例中的附图，对本说明书实施例中的技术方案进行详细地描述，显然，所描述 的实施例仅仅是本说明书的一部分实施例，而不是全部的实施例。基于本说明书中的实施例，本领域普通技术人员所获得的所有其他实施例，都应当属于保护的范围。
以下结合附图，详细说明本说明书各实施例提供的技术方案。
图1是本说明书实施例提供的一种基于区块链存证的识别证据真实性的方法的流程示意图，包括以下步骤：
S100：针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，若确定所述目标电子证据已被至少一个备选区块链存证平台存证，则执行步骤S102，若确定所述目标电子证据未被至少一个备选区块链存证平台存证，则执行步骤S104。
本方法的执行主体可以是有需要对电子证据的真实性进行识别的主体(如法院)所管理的设备(本文称之为识别设备)。更具体的，在实践中，所述识别设备可以是法院的案件在线受理系统，案件在线受理系统在线受理案件，并对与案件相关的电子证据的真实性进行识别，将识别结果(电子证据对应的真实性参考评分)提供给法官，以供法官参考。
需要说明的是，本文所述的电子证据可以是以电子形式产生的证据(如网页)，也可以实物证据的电子形式(如借条的照片)。还需要说明的是，目标电子证据是指真实性待识别的电子证据，其可以是案件的起诉方提出的证据，也可以是案件被起诉方提出的证据，还可以是案件的其他相关人(如调查人员、如案件利益相关人)提出的电子证据。
在本说明书实施例中，区块链存证平台是基于区块链技术，对用户上传的数据进行存证的服务机构。用户可以利用区块链存证平台，将需要保全的电子证据存证。通常，区块链存证平台是通过区块链网络中的交易这种数据结构来实现对电子证据的存证的。
需要说明的是，在本说明书中所描述的交易(transaction)，是指用户通过区块链的客户端创建，并需要最终发布至区块链的分布式数据库中的一笔数据。也就是说，区块链中的交易，存在狭义的交易以及广义的交易之分。狭义的交易是指用户向区块链发布的一笔价值转移；例如，在传统的比特币区块链网络中，交易可以是用户在区块链中发起的一笔转账。而广义的交易是指用户向区块链发布的一笔具有业务意图的业务数据；例如，运营方可以基于实际的业务需求搭建一个联盟链，依托于联盟链部署一些与价值转移无关的其它类型的在线业务(比如，租房业务、车辆调度业务、保险理赔业务、信 用服务、医疗服务等)，而在这类联盟链中，交易可以是用户在联盟链中发布的一笔具有业务意图的业务消息或者业务请求。
具体而言，区块链存证平台可以作为区块链网络中的一个节点，当接收到用户上传的电子证据时，可以构建一个交易包含该电子证据的证据哈希(当然，也可以包含该电子证据本身)的交易，并将构建的交易广播至区块链网络，使得各节点后续基于共识机制，将该交易存入自身的区块链，如此，就实现了电子证据的多方存证。其中，当交易仅包含电子证据的证据哈希时，由于电子证据的证据哈希已经被发布至区块链，因此，倘若电子证据被篡改，篡改后的电子证据的证据哈希就会与区块链中已发布的证据哈希不一致，因此，电子证据的证据哈希被发布至区块链，就相当于电子证据被多方存证。还需要说明的是，当交易仅包含电子证据的证据哈希时，区块链存证平台一般会将电子证据另行存储于数据仓库(非区块链)。
此外，所述区块链存证平台也可以依托于公证通(factom)架构，为用户提供电子证据存证服务。
在本说明书实施例中，可以指定市面上的若干区块链存证平台为备选区块链存证平台。例如，法院可以从市面上的区块链存证平台中，选择若干区块链存证平台作为备选区块链存证平台，并与各备选区块链存证平台建立合作关系，法院的案件在线受理系统可以与各备选区块链存证平台的服务器进行对接。
在本说明书实施例中，识别设备判断所述目标电子证据是否已被至少一个备选区块链存证平台存证的方式至少包括以下四种：
1、获取用户上传的目标电子证据；针对每个备选区块链存证平台，向该备选区块链存证平台进行查询，以确定该备选区块链存证平台存证的任一交易中是否包含所述目标电子证据；若是，则确定所述目标电子证据已被该备选区块链存证平台存证；否则，确定所述目标电子证据未被该备选区块链存证平台存证。其中，上传目标电子证据的用户可以是案件的起诉方、应诉方或其他案件相关人员。
2、获取用户上传的目标电子证据；根据所述目标电子证据，计算所述目标电子证据的证据哈希；针对每个备选区块链存证平台，根据所述证据哈希，向该备选区块链存证平台进行查询，以确定该备选区块链存证平台存证的任一交易中是否包含所述证据哈希；若是，则确定所述目标电子证据已被该备选区块链存证平台存证；否则，确定所述目标电子证据未被该备选区块链存证平台存证。其中，上传目标电子证据的用户可以是案件 的起诉方、应诉方或其他案件相关人员。
在方式1和2中，用户需要将目标电子证据上传给识别设备，如果目标电子证据是以证据哈希的形式进行间接存证的，那么，识别设备可以计算电子证据的证据哈希，并以计算得到的证据哈希为线索，向各备选区块链存证平台进行验证，以判断所述目标电子证据是否真的被至少一个备选区块链存证平台存证；如果目标电子证据是直接进行存证的，那么识别设备可以直接向各备选区块链存证平台验证所述目标电子证据是否已经被发布至区块链。
3、获取用户上传的目标交易哈希；针对每个备选区块链存证平台，根据所述交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，将通过所述目标交易存证的电子证据确定为目标电子证据，以及，确定所述目标电子证据已被该备选区块链存证平台存证；若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
其中，上传目标交易哈希的用户可以是案件的起诉方、应诉方或其他案件相关人员。目标交易哈希是目标交易的交易哈希，而目标交易是包含有目标电子证据的证据哈希的交易。
在方式3中，用户向识别设备上传目标交易哈希即可，而不必上传目标电子证据。识别设备根据目标交易哈希，在各备选区块链存证平台查询目标交易哈希对应的目标交易，如果无法查询到目标交易，就认定目标交易哈希无效，进而说明目标电子证据并未被至少一个备选区块链存证平台存证；如果查询到目标交易，那么通过目标交易存证的电子证据就是目标电子证据。
进一步地，如果区块链存储的目标交易中包含有所述目标电子证据本身，则可以直接从目标交易中提取所述目标电子证据；如果区块链存储的目标交易中包含有所述目标电子证据的证据哈希，则可以以所述证据哈希为线索，从其他途径(例如数据仓库)。
4、获取用户上传的目标电子证据和目标交易哈希；针对每个备选区块链存证平台，根据所述目标交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，判断通过所述目标交易存证的电子证据与所述目标电子证据是否相同，如果是，那么确定所述目标电子证据已被该备选区块链存 证平台存证，如果否，那么确定所述目标电子证据未被该备选区块链存证平台存证；若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
在方式4中，用户可以向识别设备上传目标电子证据和目标交易哈希。其中，如前所述，目标电子证据是通过目标交易这一数据结构被发布至区块链的，目标交易可以包含电子证据本身，也可以仅包含目标电子证据的证据哈希。基于此，在方式4中，判断通过所述目标交易存证的电子证据与所述目标电子证据是否相同，具体可以计算通过所述目标交易存证的电子证据的证据哈希，以及计算所述目标电子证据的证据哈希，比较计算得到的两个证据哈希是否一致，如果一致，才能认定所述目标电子证据已被该备选区块链存证平台存证。
总之，在步骤S100中，识别设备可以采用多种方式，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，并据此识别出所述目标电子证据的真实程度(即真实可能性)的高低。
如果所述目标电子证据没有被任何一个备选区块链存证平台存证，那么就意味着，所述目标电子证据的真实程度是未知存疑的，有可能已被篡改；如果所述目标电子证据已经被至少一个备选区块链存证平台存证，那么就意味着，所述目标电子证据的真实程度是较高的，被篡改的可能性较低。
S102：确定第一评分，作为所述目标电子证据对应的真实性参考评分。
S104：确定第二评分，作为所述目标电子证据对应的真实性参考评分。
在本说明书实施例中，引入真实性参考评分的概念，来量化电子证据的真实程度，识别设备识别出的目标电子证据的真实程度越高，相应地，针对目标电子证据给出的真实性参考评分也就越高。具体地，真实性参考评分可以是百分制，假设所述目标电子证据对应的真实性参考评分为90，那么意味着所述识别设备认定所述目标电子证据真实未被篡改的概率达到90％。
如果所述目标电子证据没有被任何一个备选区块链存证平台存证，那么就针对目标电子证据给出较高的真实性参考评分(即第一评分)，如果所述目标电子证据已经被至少一个备选区块链存证平台存证，那么就针对目标电子证据给出较低的真实性参考评分(即第二评分)。也就是说，第一评分大于第二评分。
通过图1所示的方法，目标电子证据对应的真实性参考评分较高，说明识别出的目标电子证据的真实程度(真实的可能性)较高，被篡改的可能性较低。已被区块链存证 平台存证的电子证据往往具有不可篡改的特性，而电子证据对应的真实性参考评分是根据电子证据是否已被区块链存证平台存证作出的，如此，以电子证据对应的真实性参考评分为参考，可以显著降低司法人员审查电子证据真实性的难度。
此外，在本说明书实施例中，可以设若干门类，并针对每个门类，设置对应于该门类的评分规则。可以根据电子证据涉及的案件类型的不同，设置相应的门类，如以下门类：1、网络著作权案件-发行权；2、刑事案件-诈骗；3、合同纠纷案件-违约。
也可以根据证据种类的不同设置门类，如以下门类：1、视听证据-网页截图；2、文本证据-word文档。
还可以根据电子证据涉及的案件类型的不同以及证据种类的不同，设置门类，如以下门类：1、(网络著作权案件-发行权，视听证据-网页截图)；2、(刑事案件-诈骗，文本证据-word文档)。
于是，在步骤S102中，可以确定所述目标电子证据从属的门类，作为目标门类；根据所述目标门类对应的评分规则，确定第一评分。在步骤S104中，可以确定所述目标电子证据从属的门类，作为目标门类；根据所述目标门类对应的评分规则，确定第二评分。
不同的门类的评分规则不同，这意味着，哪怕是同一个电子证据，该电子证据从属于不同的门类，得到的真实性参考评分也可能不同。例如，有门类：1、网络著作权案件-发行权；2、刑事案件-诈骗；其中，门类1对应的评分规则较为宽松，门类2对应的评分规则较为严格，假设所述目标电子证据是一段录音，已经被存证于某个备选区块链存证平台，若将这段录音归于门类1，则这段录音得到的真实性参考评分可能为99分，若将这段录音归于门类2，则这段录音得到的真实性参考评分可能为80分。
进一步地，还可以预先针对每个门类，设置对应于该门类的若干分值区间，并针对对应于该门类的每个分值区间，设置对应于该分值区间的真实性参考等级；针对任意两个分值区间，左端点值(也可以是右端点值)较大的分值区间对应的真实性参考等级较高，即左端点值较大的分值区间对应的真实性参考等级高于左端点值较小的分值区间对应的真实性参考等级。通常，各分值区间并无重合。例如，假设真实性参考评分为百分制，那么针对某个门类，可以将[0，100]拆分为若干分值区间，即[0，40)、[40，80)、[80,100]，作为该门类对应的分值区间。然后，在针对该门类对应的每个分值区间，设置相应的真实性参考等级，例如，[0，40)对应的真实性等级为等级1，[40，80)为等 级2，[80,100]对应的真实性等级为等级3。
基于此，在得到所述目标电子证据对应的真实性参考评分之后，可以确定所述目标电子证据从属的证据门类，作为目标证据门类；然后在所述目标门类对应的分值区间中，确定所述目标电子证据对应的真实性参考评分所落入的分值区间，作为目标分值区间；将所述目标分值区间对应的真实性参考等级，确定为所述目标电子证据对应的真实性参考等级。
更进一步地，在本说明书实施例中，还可以根据司法程序中最终对电子证据的真实性的认定结果，调整某个门类对应的评分规则和/或分值区间。
具体地，针对任一门类，针对从属于该门类的每个电子证据，获取该电子证据对应的真实性可信等级；该电子证据对应的真实性可信等级是通过司法程序认定的；在从属于该门类的电子证据中，筛选出真实性参考等级与真实性可信等级不一致的电子证据，作为指定电子证据；若指定电子证据占从属于该门类的电子证据的比例大于指定比例，则根据每个指定电子证据对应的真实性可信等级，调整该门类对应的评分规则和/或分值区间，以便针对每个指定电子证据，根据调整后的该门类对应的评分规则和/或分值区间得到的该指定电子证据对应的真实性参考等级，与该指定电子证据对应的真实性可信等级一致。
例如，案件在线受理系统运行一段时间后，相继针对从属于门类1的100个电子证据进行了真实性识别，并得到这100个电子证据分别对应的真实性参考等级。这100个电子证据相继被提交给法庭后，法庭通过司法程序认定了这100个电子证据分别对应的真实性可信等级，其中，真实性参考等级与真实性可信等级不一致的电子证据(指定电子证据)有25个，所占比例为25％，大于20％(指定比例)，那么，案件在线受理系统可以据此调整门类1对应的评分规则，和/或分值区间，使得针对每个指定电子证据，根据调整后的评分规则和/或分值区间，得到的该指定电子证据对应的真实性参考等级，与该指定电子证据对应的真实性可信等级一致。
此外，在本说明书实施例中，若确定所述目标电子证据未被任一备选区块链存证平台存证，则可以进一步判断所述目标电子证据是否已被用户指定的非备选区块链存证平台存证，若是，则确定所述目标电子证据对应的第三评分，作为所述目标电子证据对应的真实性参考评分，否则，确定所述目标电子证据对应的第二评分，作为所述目标电子证据对应的真实性参考评分。其中，所述第三评分大于所述第二评分，且，所述第三评分小于所述第一评分。
也就是说，倘若所述目标电子证据虽然未被任一备选区块链存证平台存证，但是，已被某个非备选区块链存证平台(未预先与识别设备对接)存证，那么，所述目标电子证据的真实性可以得到一定程度的承认。
进一步地，在步骤S104中，可以将指定分值确定为第二评分，也可以当确定满足指定条件时，将大于所述指定分值的分值确定为第二评分。
其中，确定满足指定条件，具体是指：针对每个备选区块链存证平台，确定该备选区块链平台存证的电子证据中，与所述目标电子证据最相似的电子证据，作为所述目标电子证据对应的相似电子证据；计算所述目标电子证据与所述相似电子证据的相似度，作为所述目标电子证据对应的相似度；所述目标电子证据对应的相似度越大，所述目标电子证据与所述相似电子证据越相似；从所述目标电子证据对应的各相似度中，选择最大的相似度，作为最大相似度；若所述最大相似度大于指定相似度，则确定满足指定条件。
此处需要说明的是，在实践中，有时用户上传给区块链存证平台进行存证的电子证据的版本是原始版本(称为原始电子证据)，而后，用户提供给识别设备的电子证据时最新版本(最新电子证据)，原始电子证据与最新电子证据往往很相似，却又存在一定差异，导致识别设备进行验证对最新电子证据的真实性进行识别时，会认定最新电子证据并没有被任一备选区块链存证平台存证。为了避免这种情况，倘若目标电子证据虽然未被任一备选区块链存证平台存证，但是与已经被存证的某个电子证据很相似，可以将目标电子证据对应的真实性参考评分确定为一个较高的分值(但应小于第一评分)。
图2是本说明书实施例提供的一种基于区块链存证的识别双方证据真实性的方法，包括如下步骤：
S200：接收案件的起诉方上传的案件事件信息。
S202：通过目标流程，确定起诉证据对应的真实性参考评分。
S204：将所述案件事件信息和所述起诉证据发送给案件的应诉方。
S206：当确定存在应诉证据时，通过所述目标流程，确定所述应诉证据对应的真实性参考评分。
本方法的执行主体也可以是上文所述的识别设备，具体也可以是上文所述的案件在线受理系统。
众所周知，在司法领域，证据通常是针对案件中的某个案件事件提出的，用于证实或证伪该案件事件的发生。
在本说明书实施例中，所述起诉方可以是民事案件中的原告，刑事案件中的公诉方、被害人或被害人亲属。所述应诉方可以是民事案件中的被告，刑事案件中的犯罪嫌疑人或犯罪嫌疑人亲属。
在图2所示的方法中，所述起诉证据是所述起诉方提出的，用于证实所述案件事件信息的电子证据，所述应诉证据是所述应诉方提出的，用于证伪所述案件事件信息的电子证据。
在图2所示的方法中，所述目标流程实际上就是图1所示的方法流程，有关所述目标流程的说明可参见前文，不再赘述。
通过图2所示的方法，针对案件的起诉方主张为真实发生的某个案件事件，一方面通过目标流程，对起诉方提出的用于证实该案件事件的起诉证据进行识别，另一方面通过目标流程，对应诉方提出的用于证伪该案件事件的应诉证据进行识别。其中，所述目标流程为，对目标电子证据(起诉证据或应诉证据)进行识别，当确定目标电子证据已经被至少一个备选区块链存证平台存证时，对目标电子证据给出较高的真实性参考评分，当确定目标电子证据未被至少一个备选区块链存证平台存证时，对目标电子证据给出较低的真实性参考评分。目标电子证据对应的真实性参考评分较高，说明识别出的目标电子证据的真实程度(真实的可能性)较高，被篡改的可能性较低。已被区块链存证平台存证的电子证据往往具有不可篡改的特性，而电子证据对应的的真实性参考评分是根据电子证据是否已被区块链存证平台存证作出的，如此，以电子证据对应的真实性参考评分为参考，可以显著降低司法人员审查电子证据真实性的难度。
此外，在图2所示的方法中，可以根据应诉证据的有无，以及应诉证据对应的真实性参考评分，对起诉证据对应的真实性参考评分进行修正。
具体地，当确定不存在应诉证据时，可以调高所述起诉证据对应的真实性参考评分。当然，当所述起诉证据对应的真实性参考评分已经是满分时，事实上已经无法继续调高。因此，实际上，是当确定不存在应诉证据，且所述起诉证据对应的真实性参考评分未达到满分时，调高所述起诉证据对应的真实性参考评分。
需要说明的是，应诉方针对所述案件事件信息，并未提出证伪所述案件事件信息的电子证据，意味着应诉方很可能默认了所述案件事件信息是真实的，这种情况下，调高 所述起诉证据对应的真实性参考评分，可以进一步降低司法人员审查电子证据真实性的难度。
另外，当确定存在应诉证据时，可以判断所述应诉证据对应的真实性参考评分是否满足预设的修正触发条件，若是，则对所述起诉证据对应的真实性参考评分进行修正。
进一步地，当所述修正触发条件为所述应诉证据对应的真实性参考评分大于第一指定阈值时，可以调低所述起诉证据对应的真实性参考评分；当所述修正触发条件为所述应诉证据对应的真实性参考评分小于第二指定阈值时，可以调高所述起诉证据对应的真实性参考评分；其中，所述第一指定阈值大于所述第二指定阈值。
也就是说，当所述应诉证据对应的真实性参考评分过大时，相当于间接削弱了所述起诉证据的真实性，因此，可以调低所述起诉证据对应的真实性参考评分。具体地，可以调低所述起诉证据对应的真实性参考评分，使得所述起诉证据对应的真实性参考等级降低。
也就是说，当所述应诉证据对应的真实性参考评分过小时，相当于间接增强了所述起诉证据的真实性，因此，可以调高所述起诉证据对应的真实性参考评分。具体地，可以调高所述起诉证据对应的真实性参考评分，使得所述起诉证据对应的真实性参考等级升高。
基于图1所示的基于区块链存证的识别证据真实性的方法，本说明书实施例还对应提供了一种基于区块链存证的识别证据真实性的装置，如图3所示，包括：
判断模块301，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证；
第一处理模块302，若所述判断模块301确定所述目标电子证据已被至少一个备选区块链存证平台存证，则确定第一评分，作为所述目标电子证据对应的真实性参考评分；
第二处理模块303，若所述判断模块301确定所述目标电子证据未被至少一个备选区块链存证平台存证，则确定第二评分，作为所述目标电子证据对应的真实性参考评分；
其中，所述目标电子证据对应的真实性参考评分与识别出的所述目标电子证据的真实程度正相关，所述第一评分大于所述第二评分。
所述判断模块301，获取用户上传的目标电子证据；根据所述目标电子证据，计算所述目标电子证据的证据哈希；针对每个备选区块链存证平台，根据所述证据哈希， 向该备选区块链存证平台进行查询，以确定该备选区块链存证平台存证的任一交易中是否包含所述证据哈希；若是，则确定所述目标电子证据已被该备选区块链存证平台存证；否则，确定所述目标电子证据未被该备选区块链存证平台存证。
所述判断模块301，获取用户上传的目标交易哈希；针对每个备选区块链存证平台，根据所述交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，将通过所述目标交易存证的电子证据确定为目标电子证据，以及，确定所述目标电子证据已被该备选区块链存证平台存证；若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
所述判断模块301，获取用户上传的目标电子证据和目标交易哈希；针对每个备选区块链存证平台，根据所述目标交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，判断通过所述目标交易存证的电子证据与所述目标电子证据是否相同，如果是，那么确定所述目标电子证据已被该备选区块链存证平台存证，如果否，那么确定所述目标电子证据未被该备选区块链存证平台存证；若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
预设若干门类，并针对每个门类，设置对应于该门类的评分规则；
所述第一处理模块302，确定所述目标电子证据从属的门类，作为目标门类；根据所述目标门类对应的评分规则，确定第一评分或第二评分；
所述第二处理模块303，确定所述目标电子证据从属的门类，作为目标门类；根据所述目标门类对应的评分规则，确定第二评分。
预先针对每个门类，设置对应于该门类的若干分值区间，并针对对应于该门类的每个分值区间，设置对应于该分值区间的真实性参考等级；针对任意两个分值区间，左端点值较大的分值区间对应的真实性参考等级较高；
所述装置还包括：
等级评定模块304，在所述目标门类对应的分值区间中，确定所述目标电子证据对应的真实性参考评分所落入的分值区间，作为目标分值区间；将所述目标分值区间对应的真实性参考等级，确定为所述目标电子证据对应的真实性参考等级，以便针对每个指定电子证据，根据调整后的该门类对应的评分规则和/或分值区间得到的该指定电子证 据对应的真实性参考等级，与该指定电子证据对应的真实性可信等级一致。
所述装置还包括：调整模块305，对于任一门类，针对从属于该门类的每个电子证据，获取该电子证据对应的真实性可信等级；该电子证据对应的真实性可信等级是通过司法程序认定的；在从属于该门类的电子证据中，筛选出真实性参考等级与真实性可信等级不一致的电子证据，作为指定电子证据；若指定电子证据占从属于该门类的电子证据的比例大于指定比例，则根据每个指定电子证据对应的真实性可信等级，调整该门类对应的评分规则和/或分值区间。
所述第二处理模块303，判断所述目标电子证据是否已被用户指定的非备选区块链存证平台存证；若是，则确定所述目标电子证据对应的第三评分，作为所述目标电子证据对应的真实性参考评分；否则，确定所述目标电子证据对应的第二评分，作为所述目标电子证据对应的真实性参考评分；其中，所述第三评分大于所述第二评分，且，所述第三评分小于所述第一评分。
所述第二处理模块303，将指定分值确定为第二评分；或当确定满足指定条件时，将大于所述指定分值的分值确定为第二评分；
确定满足指定条件，具体包括：
针对每个备选区块链存证平台，确定该备选区块链平台存证的电子证据中，与所述目标电子证据最相似的电子证据，作为所述目标电子证据对应的相似电子证据；
计算所述目标电子证据与所述相似电子证据的相似度，作为所述目标电子证据对应的相似度；所述目标电子证据对应的相似度越大，所述目标电子证据与所述相似电子证据越相似；
从所述目标电子证据对应的各相似度中，选择最大的相似度，作为最大相似度；
若所述最大相似度大于指定相似度，则确定满足指定条件。
基于图2所示的基于区块链存证的识别双方证据真实性的方法，本说明书实施例还对应提供了一种基于区块链存证的识别双方证据真实性的装置，如图4所示，包括：
接收模块401，接收案件的起诉方上传的案件事件信息；
起诉证据识别模块402，通过目标流程，确定起诉证据对应的真实性参考评分；所述起诉证据是所述起诉方提出的，用于证实所述案件事件信息的电子证据；
发送模块403，将所述案件事件信息和所述起诉证据发送给案件的应诉方；
应诉证据识别模块404，当确定存在应诉证据时，通过所述目标流程，确定所述应诉证据对应的真实性参考评分；所述应诉证据是所述应诉方提出的，用于证伪所述案件事件信息的电子证据；
其中，所述目标流程包括：
针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证；所述目标电子证据是所述起诉证据或所述应诉证据；
若确定所述目标电子证据已被至少一个备选区块链存证平台存证，则确定第一评分，作为所述目标电子证据对应的真实性参考评分；
若确定所述目标电子证据未被至少一个备选区块链存证平台存证，则确定第二评分，作为所述目标电子证据对应的真实性参考评分；
所述目标电子证据对应的真实性参考评分与识别出的所述目标电子证据的真实程度正相关，所述第一评分大于所述第二评分。
针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
获取用户上传的目标电子证据；
根据所述目标电子证据，计算所述目标电子证据的证据哈希；
针对每个备选区块链存证平台，根据所述证据哈希，向该备选区块链存证平台进行查询，以确定该备选区块链存证平台存证的任一交易中是否包含所述证据哈希；
若是，则确定所述目标电子证据已被该备选区块链存证平台存证；
否则，确定所述目标电子证据未被该备选区块链存证平台存证。
针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
获取用户上传的目标交易哈希；
针对每个备选区块链存证平台，根据所述交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；
若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，将通过所述目 标交易存证的电子证据确定为目标电子证据，以及，确定所述目标电子证据已被该备选区块链存证平台存证；
若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
获取用户上传的目标电子证据和目标交易哈希；
针对每个备选区块链存证平台，根据所述目标交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；
若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，判断通过所述目标交易存证的电子证据与所述目标电子证据是否相同，如果是，那么确定所述目标电子证据已被该备选区块链存证平台存证，如果否，那么确定所述目标电子证据未被该备选区块链存证平台存证；
若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
预设若干门类，并针对每个门类，设置对应于该门类的评分规则；
确定第一评分或第二评分，具体包括：
确定所述目标电子证据从属的门类，作为目标门类；
根据所述目标门类对应的评分规则，确定第一评分或第二评分。
预先针对每个门类，设置对应于该门类的若干分值区间，并针对对应于该门类的每个分值区间，设置对应于该分值区间的真实性参考等级；针对任意两个分值区间，左端点值较大的分值区间对应的真实性参考等级较高；
所述目标流程还包括：
在所述目标门类对应的分值区间中，确定所述目标电子证据对应的真实性参考评分所落入的分值区间，作为目标分值区间；
将所述目标分值区间对应的真实性参考等级，确定为所述目标电子证据对应的真实性参考等级。
所述目标流程还包括：
对于任一门类
针对从属于该门类的每个电子证据，获取该电子证据对应的真实性可信等级；该电子证据对应的真实性可信等级是通过司法程序认定的；
在从属于该门类的电子证据中，筛选出真实性参考等级与真实性可信等级不一致的电子证据，作为指定电子证据；
若指定电子证据占从属于该门类的电子证据的比例大于指定比例，则根据每个指定电子证据对应的真实性可信等级，调整该门类对应的评分规则和/或分值区间，以便针对每个指定电子证据，根据调整后的该门类对应的评分规则和/或分值区间得到的该指定电子证据对应的真实性参考等级，与该指定电子证据对应的真实性可信等级一致。
确定第二评分，作为所述目标电子证据对应的真实性参考评分，具体包括：
判断所述目标电子证据是否已被用户指定的非备选区块链存证平台存证；
若是，则确定所述目标电子证据对应的第三评分，作为所述目标电子证据对应的真实性参考评分；
否则，确定所述目标电子证据对应的第二评分，作为所述目标电子证据对应的真实性参考评分；
其中，所述第三评分大于所述第二评分，且，所述第三评分小于所述第一评分。
确定第二评分，具体包括：
将指定分值确定为第二评分；
或
当确定满足指定条件时，将大于所述指定分值的分值确定为第二评分；
确定满足指定条件，具体包括：
针对每个备选区块链存证平台，确定该备选区块链平台存证的电子证据中，与所述目标电子证据最相似的电子证据，作为所述目标电子证据对应的相似电子证据；
计算所述目标电子证据与所述相似电子证据的相似度，作为所述目标电子证据对应的相似度；所述目标电子证据对应的相似度越大，所述目标电子证据与所述相似电子证据越相似；
从所述目标电子证据对应的各相似度中，选择最大的相似度，作为最大相似度；
若所述最大相似度大于指定相似度，则确定满足指定条件。
所述装置还包括：
第一修正模块405，若确定不存在应诉证据，则调高所述起诉证据对应的真实性参考评分。
所述装置还包括：
第二修正模块406，若所述应诉证据对应的真实性参考评分满足预设的修正触发条件，则对所述起诉证据对应的真实性参考评分进行修正。
所述第二修正模块406，当所述修正触发条件为所述应诉证据对应的真实性参考评分大于第一指定阈值时，调低所述起诉证据对应的真实性参考评分；当所述修正触发条件为所述应诉证据对应的真实性参考评分小于第二指定阈值时，调高所述起诉证据对应的真实性参考评分；其中，所述第一指定阈值大于所述第二指定阈值。
本说明书实施例还提供一种计算机设备，其至少包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其中，处理器执行所述程序时实现图1和/或图2所述方法的功能。
图5示出了本说明书实施例所提供的一种更为具体的计算设备硬件结构示意图，该设备可以包括：处理器1010、存储器1020、输入/输出接口1030、通信接口1040和总线1050。其中处理器1010、存储器1020、输入/输出接口1030和通信接口1040通过总线1050实现彼此之间在设备内部的通信连接。
处理器1010可以采用通用的CPU(Central Processing Unit，中央处理器)、微处理器、应用专用集成电路(Application Specific Integrated Circuit，ASIC)、或者一个或多个集成电路等方式实现，用于执行相关程序，以实现本说明书实施例所提供的技术方案。
存储器1020可以采用ROM(Read Only Memory，只读存储器)、RAM(Random Access Memory，随机存取存储器)、静态存储设备，动态存储设备等形式实现。存储器1020可以存储操作系统和其他应用程序，在通过软件或者固件来实现本说明书实施例所提供的技术方案时，相关的程序代码保存在存储器1020中，并由处理器1010来调用执行。
输入/输出接口1030用于连接输入/输出模块，以实现信息输入及输出。输入输 出/模块可以作为组件配置在设备中(图中未示出)，也可以外接于设备以提供相应功能。其中输入设备可以包括键盘、鼠标、触摸屏、麦克风、各类传感器等，输出设备可以包括显示器、扬声器、振动器、指示灯等。
通信接口1040用于连接通信模块(图中未示出)，以实现本设备与其他设备的通信交互。其中通信模块可以通过有线方式(例如USB、网线等)实现通信，也可以通过无线方式(例如移动网络、WIFI、蓝牙等)实现通信。
总线1050包括一通路，在设备的各个组件(例如处理器1010、存储器1020、输入/输出接口1030和通信接口1040)之间传输信息。
需要说明的是，尽管上述设备仅示出了处理器1010、存储器1020、输入/输出接口1030、通信接口1040以及总线1050，但是在具体实施过程中，该设备还可以包括实现正常运行所必需的其他组件。此外，本领域的技术人员可以理解的是，上述设备中也可以仅包含实现本说明书实施例方案所必需的组件，而不必包含图中所示的全部组件。
本说明书实施例还提供一种计算机可读存储介质，其上存储有计算机程序，该程序被处理器执行时实现图1和/或图2所述方法的功能。
计算机可读介质包括永久性和非永久性、可移动和非可移动媒体可以由任何方法或技术来实现信息存储。信息可以是计算机可读指令、数据结构、程序的模块或其他数据。计算机的存储介质的例子包括，但不限于相变内存(PRAM)、静态随机存取存储器(SRAM)、动态随机存取存储器(DRAM)、其他类型的随机存取存储器(RAM)、只读存储器(ROM)、电可擦除可编程只读存储器(EEPROM)、快闪记忆体或其他内存技术、只读光盘只读存储器(CD-ROM)、数字多功能光盘(DVD)或其他光学存储、磁盒式磁带，磁带磁磁盘存储或其他磁性存储设备或任何其他非传输介质，可用于存储可以被计算设备访问的信息。按照本文中的界定，计算机可读介质不包括暂存电脑可读媒体(transitory media)，如调制的数据信号和载波。
通过以上的实施方式的描述可知，本领域的技术人员可以清楚地了解到本说明书实施例可借助软件加必需的通用硬件平台的方式来实现。基于这样的理解，本说明书实施例的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品可以存储在存储介质中，如ROM/RAM、磁碟、光盘等，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)执行本说明书实施例各个实施例或者实施例的某些部分所述的方法。
上述实施例阐明的系统、方法、模块或单元，具体可以由计算机芯片或实体实现，或者由具有某种功能的产品来实现。一种典型的实现设备为计算机，计算机的具体形式可以是个人计算机、膝上型计算机、蜂窝电话、相机电话、智能电话、个人数字助理、媒体播放器、导航设备、电子邮件收发设备、游戏控制台、平板计算机、可穿戴设备或者这些设备中的任意几种设备的组合。
本说明书中的各个实施例均采用递进的方式描述，各个实施例之间相同相似的部分互相参见即可，每个实施例重点说明的都是与其他实施例的不同之处。尤其，对于装置和设备实施例而言，由于其基本相似于方法实施例，所以描述得比较简单，相关之处参见方法实施例的部分说明即可。以上所描述的方法实施例仅仅是示意性的，其中所述作为分离部件说明的模块可以是或者也可以不是物理上分开的，在实施本说明书实施例方案时可以把各模块的功能在同一个或多个软件和/或硬件中实现。也可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性劳动的情况下，即可以理解并实施。
以上所述仅是本说明书实施例的具体实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本说明书实施例原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本说明书实施例的保护范围。

Claims (25)

  1. 一种基于区块链存证的识别双方证据真实性的方法，包括：
    接收案件的起诉方上传的案件事件信息；
    通过目标流程，确定起诉证据对应的真实性参考评分；所述起诉证据是所述起诉方提出的，用于证实所述案件事件信息的电子证据；
    将所述案件事件信息和所述起诉证据发送给案件的应诉方；
    当确定存在应诉证据时，通过所述目标流程，确定所述应诉证据对应的真实性参考评分；所述应诉证据是所述应诉方提出的，用于证伪所述案件事件信息的电子证据；
    其中，所述目标流程包括：
    针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证；所述目标电子证据是所述起诉证据或所述应诉证据；
    若确定所述目标电子证据已被至少一个备选区块链存证平台存证，则确定第一评分，作为所述目标电子证据对应的真实性参考评分；
    若确定所述目标电子证据未被至少一个备选区块链存证平台存证，则确定第二评分，作为所述目标电子证据对应的真实性参考评分；
    所述目标电子证据对应的真实性参考评分与识别出的所述目标电子证据的真实程度正相关，所述第一评分大于所述第二评分。
  2. 如权利要求1所述的方法，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
    获取用户上传的目标电子证据；
    根据所述目标电子证据，计算所述目标电子证据的证据哈希；
    针对每个备选区块链存证平台，根据所述证据哈希，向该备选区块链存证平台进行查询，以确定该备选区块链存证平台存证的任一交易中是否包含所述证据哈希；
    若是，则确定所述目标电子证据已被该备选区块链存证平台存证；
    否则，确定所述目标电子证据未被该备选区块链存证平台存证。
  3. 如权利要求1所述的方法，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
    获取用户上传的目标交易哈希；
    针对每个备选区块链存证平台，根据所述交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；
    若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，将通过所述目标交易存证的电子证据确定为目标电子证据，以及，确定所述目标电子证据已被该备选区块链存证平台存证；
    若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
  4. 如权利要求1所述的方法，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
    获取用户上传的目标电子证据和目标交易哈希；
    针对每个备选区块链存证平台，根据所述目标交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；
    若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，判断通过所述目标交易存证的电子证据与所述目标电子证据是否相同，如果是，那么确定所述目标电子证据已被该备选区块链存证平台存证，如果否，那么确定所述目标电子证据未被该备选区块链存证平台存证；
    若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
  5. 如权利要求1所述的方法，预设若干门类，并针对每个门类，设置对应于该门类的评分规则；
    确定第一评分或第二评分，具体包括：
    确定所述目标电子证据从属的门类，作为目标门类；
    根据所述目标门类对应的评分规则，确定第一评分或第二评分。
  6. 如权利要求5所述的方法，预先针对每个门类，设置对应于该门类的若干分值区间，并针对对应于该门类的每个分值区间，设置对应于该分值区间的真实性参考等级；针对任意两个分值区间，左端点值较大的分值区间对应的真实性参考等级较高；
    所述方法还包括：
    在所述目标门类对应的分值区间中，确定所述目标电子证据对应的真实性参考评分所落入的分值区间，作为目标分值区间；
    将所述目标分值区间对应的真实性参考等级，确定为所述目标电子证据对应的真实性参考等级。
  7. 如权利要求6所述的方法，所述方法还包括：
    对于任一门类
    针对从属于该门类的每个电子证据，获取该电子证据对应的真实性可信等级；该电 子证据对应的真实性可信等级是通过司法程序认定的；
    在从属于该门类的电子证据中，筛选出真实性参考等级与真实性可信等级不一致的电子证据，作为指定电子证据；
    若指定电子证据占从属于该门类的电子证据的比例大于指定比例，则根据每个指定电子证据对应的真实性可信等级，调整该门类对应的评分规则和/或分值区间，以便针对每个指定电子证据，根据调整后的该门类对应的评分规则和/或分值区间得到的该指定电子证据对应的真实性参考等级，与该指定电子证据对应的真实性可信等级一致。
  8. 如权利要求1所述的方法，确定第二评分，作为所述目标电子证据对应的真实性参考评分，具体包括：
    判断所述目标电子证据是否已被用户指定的非备选区块链存证平台存证；
    若是，则确定所述目标电子证据对应的第三评分，作为所述目标电子证据对应的真实性参考评分；
    否则，确定所述目标电子证据对应的第二评分，作为所述目标电子证据对应的真实性参考评分；
    其中，所述第三评分大于所述第二评分，且，所述第三评分小于所述第一评分。
  9. 如权利要求1或8所述的方法，确定第二评分，具体包括：
    将指定分值确定为第二评分；
    或
    当确定满足指定条件时，将大于所述指定分值的分值确定为第二评分；
    确定满足指定条件，具体包括：
    针对每个备选区块链存证平台，确定该备选区块链平台存证的电子证据中，与所述目标电子证据最相似的电子证据，作为所述目标电子证据对应的相似电子证据；
    计算所述目标电子证据与所述相似电子证据的相似度，作为所述目标电子证据对应的相似度；所述目标电子证据对应的相似度越大，所述目标电子证据与所述相似电子证据越相似；
    从所述目标电子证据对应的各相似度中，选择最大的相似度，作为最大相似度；
    若所述最大相似度大于指定相似度，则确定满足指定条件。
  10. 如权利要求1所述的方法，所述方法还包括：
    若确定不存在应诉证据，则调高所述起诉证据对应的真实性参考评分。
  11. 如权利要求1所述的方法，所述方法还包括：
    若所述应诉证据对应的真实性参考评分满足预设的修正触发条件，则对所述起诉证 据对应的真实性参考评分进行修正。
  12. 如权利要求11所述的方法，对所述起诉证据对应的真实性参考评分进行修正，具体包括：
    当所述修正触发条件为所述应诉证据对应的真实性参考评分大于第一指定阈值时，调低所述起诉证据对应的真实性参考评分；
    当所述修正触发条件为所述应诉证据对应的真实性参考评分小于第二指定阈值时，调高所述起诉证据对应的真实性参考评分；
    其中，所述第一指定阈值大于所述第二指定阈值。
  13. 一种基于区块链存证的识别双方证据真实性的装置，包括：
    接收模块，接收案件的起诉方上传的案件事件信息；
    起诉证据识别模块，通过目标流程，确定起诉证据对应的真实性参考评分；所述起诉证据是所述起诉方提出的，用于证实所述案件事件信息的电子证据；
    发送模块，将所述案件事件信息和所述起诉证据发送给案件的应诉方；
    应诉证据识别模块，当确定存在应诉证据时，通过所述目标流程，确定所述应诉证据对应的真实性参考评分；所述应诉证据是所述应诉方提出的，用于证伪所述案件事件信息的电子证据；
    其中，所述目标流程包括：
    针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证；所述目标电子证据是所述起诉证据或所述应诉证据；
    若确定所述目标电子证据已被至少一个备选区块链存证平台存证，则确定第一评分，作为所述目标电子证据对应的真实性参考评分；
    若确定所述目标电子证据未被至少一个备选区块链存证平台存证，则确定第二评分，作为所述目标电子证据对应的真实性参考评分；
    所述目标电子证据对应的真实性参考评分与识别出的所述目标电子证据的真实程度正相关，所述第一评分大于所述第二评分。
  14. 如权利要求13所述的装置，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
    获取用户上传的目标电子证据；
    根据所述目标电子证据，计算所述目标电子证据的证据哈希；
    针对每个备选区块链存证平台，根据所述证据哈希，向该备选区块链存证平台进行查询，以确定该备选区块链存证平台存证的任一交易中是否包含所述证据哈希；
    若是，则确定所述目标电子证据已被该备选区块链存证平台存证；
    否则，确定所述目标电子证据未被该备选区块链存证平台存证。
  15. 如权利要求13所述的装置，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
    获取用户上传的目标交易哈希；
    针对每个备选区块链存证平台，根据所述交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；
    若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，将通过所述目标交易存证的电子证据确定为目标电子证据，以及，确定所述目标电子证据已被该备选区块链存证平台存证；
    若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
  16. 如权利要求13所述的装置，针对目标电子证据，判断所述目标电子证据是否已被至少一个备选区块链存证平台存证，具体包括：
    获取用户上传的目标电子证据和目标交易哈希；
    针对每个备选区块链存证平台，根据所述目标交易哈希，向该备选区块链存证平台进行查询，以判断该备选区块链存证平台记录的交易中，是否存在交易哈希为所述目标交易哈希的交易；
    若存在，则以交易哈希为所述目标交易哈希的交易为目标交易，判断通过所述目标交易存证的电子证据与所述目标电子证据是否相同，如果是，那么确定所述目标电子证据已被该备选区块链存证平台存证，如果否，那么确定所述目标电子证据未被该备选区块链存证平台存证；
    若不存在，则确定所述目标电子证据未被该备选区块链存证平台存证。
  17. 如权利要求13所述的装置，预设若干门类，并针对每个门类，设置对应于该门类的评分规则；
    确定第一评分或第二评分，具体包括：
    确定所述目标电子证据从属的门类，作为目标门类；
    根据所述目标门类对应的评分规则，确定第一评分或第二评分。
  18. 如权利要求17所述的装置，预先针对每个门类，设置对应于该门类的若干分值区间，并针对对应于该门类的每个分值区间，设置对应于该分值区间的真实性参考等级；针对任意两个分值区间，左端点值较大的分值区间对应的真实性参考等级较高；
    所述目标流程还包括：
    在所述目标门类对应的分值区间中，确定所述目标电子证据对应的真实性参考评分所落入的分值区间，作为目标分值区间；
    将所述目标分值区间对应的真实性参考等级，确定为所述目标电子证据对应的真实性参考等级。
  19. 如权利要求18所述的装置，所述目标流程还包括：
    对于任一门类
    针对从属于该门类的每个电子证据，获取该电子证据对应的真实性可信等级；该电子证据对应的真实性可信等级是通过司法程序认定的；
    在从属于该门类的电子证据中，筛选出真实性参考等级与真实性可信等级不一致的电子证据，作为指定电子证据；
    若指定电子证据占从属于该门类的电子证据的比例大于指定比例，则根据每个指定电子证据对应的真实性可信等级，调整该门类对应的评分规则和/或分值区间，以便针对每个指定电子证据，根据调整后的该门类对应的评分规则和/或分值区间得到的该指定电子证据对应的真实性参考等级，与该指定电子证据对应的真实性可信等级一致。
  20. 如权利要求13所述的装置，确定第二评分，作为所述目标电子证据对应的真实性参考评分，具体包括：
    判断所述目标电子证据是否已被用户指定的非备选区块链存证平台存证；
    若是，则确定所述目标电子证据对应的第三评分，作为所述目标电子证据对应的真实性参考评分；
    否则，确定所述目标电子证据对应的第二评分，作为所述目标电子证据对应的真实性参考评分；
    其中，所述第三评分大于所述第二评分，且，所述第三评分小于所述第一评分。
  21. 如权利要求13或20所述的装置，确定第二评分，具体包括：
    将指定分值确定为第二评分；
    或
    当确定满足指定条件时，将大于所述指定分值的分值确定为第二评分；
    确定满足指定条件，具体包括：
    针对每个备选区块链存证平台，确定该备选区块链平台存证的电子证据中，与所述目标电子证据最相似的电子证据，作为所述目标电子证据对应的相似电子证据；
    计算所述目标电子证据与所述相似电子证据的相似度，作为所述目标电子证据对应 的相似度；所述目标电子证据对应的相似度越大，所述目标电子证据与所述相似电子证据越相似；
    从所述目标电子证据对应的各相似度中，选择最大的相似度，作为最大相似度；
    若所述最大相似度大于指定相似度，则确定满足指定条件。
  22. 如权利要求13所述的装置，所述装置还包括：
    第一修正模块，若确定不存在应诉证据，则调高所述起诉证据对应的真实性参考评分。
  23. 如权利要求13所述的装置，所述装置还包括：
    第二修正模块，若所述应诉证据对应的真实性参考评分满足预设的修正触发条件，则对所述起诉证据对应的真实性参考评分进行修正。
  24. 如权利要求23所述的装置，所述第二修正模块，当所述修正触发条件为所述应诉证据对应的真实性参考评分大于第一指定阈值时，调低所述起诉证据对应的真实性参考评分；当所述修正触发条件为所述应诉证据对应的真实性参考评分小于第二指定阈值时，调高所述起诉证据对应的真实性参考评分；其中，所述第一指定阈值大于所述第二指定阈值。
  25. 一种计算机设备，包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序，其中，所述处理器执行所述程序时实现如权利要求1～12任一项所述的方法。
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