CN112967049B - Method and device for issuing receivable through block chain - Google Patents
Method and device for issuing receivable through block chain Download PDFInfo
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- 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
- G06Q20/08—Payment architectures
- G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
- G06Q20/102—Bill distribution or payments
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3825—Use of electronic signatures
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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
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
Abstract
The embodiment of the specification provides a method and a device for issuing receivable accounts through a block chain. The issuing system includes a blockchain network, an asset side device, and a supervisor device. The asset-side device submits a first transaction to the blockchain network, the first transaction generated based on the plurality of accounts receivable to be issued, thereby storing the plurality of accounts receivable in the blockchain network. The supervisor device submits a second transaction to the blockchain network invoking the asset checking contract, including the plurality of accounts receivable as entries. The inspection logic of an asset inspection contract is enacted by a supervisory party. The blockchain network executes an asset check contract based on the second transaction to perform asset check on the authenticity of the plurality of accounts receivable to obtain an asset check result.
Description
Technical Field
One or more embodiments of the present disclosure relate to the field of computer technology, and more particularly, to a method and apparatus for issuing receivables through a blockchain.
Background
As society develops, an asset party may have a large amount of credit assets that are under-liquidity but have future cash flows, such as a large amount of loans owned by a bank, accounts receivable borrowed by a business, and the like. The assets side can reorganize the accounts receivable with poor liquidity to form an assets pool, and issues securities on the basis of the assets pool. When the assets in the asset pools are issued, a supervision agency, such as a bank center or a trading exchange, performs authenticity check on the asset pools and provides record information according to the check result. And the information can be issued only after the record information is issued by a supervision agency and the like. In the process, the parties need to coordinate and check with each other so as to cooperate on a trusted basis, and the time and energy cost is high and the issuing period is long.
Therefore, a way is needed to make the asset publishing process more transparent and trustable, and the collaboration process between the parties can effectively reduce the time and effort costs and improve the publishing efficiency.
Disclosure of Invention
One or more embodiments of the present specification describe a method and an apparatus for securitizing issuance of receivable accounts through a blockchain, so that an asset issuance process is more transparent and trustable, and a cooperation process between parties can effectively reduce time and energy costs and improve issuance efficiency. The specific technical scheme is as follows.
In a first aspect, an embodiment provides a method for issuing accounts receivable through a blockchain, which is applied to an issuing system including a blockchain network, an asset side device and a supervisor device, the method including:
the asset side device submitting a first transaction to the blockchain network, the first transaction generated based on a plurality of accounts receivable to be issued, thereby storing the plurality of accounts receivable in the blockchain network;
the supervisor device submitting to the blockchain network a second transaction invoking an asset checking contract, including the multiple accounts receivable as a reference; the inspection logic of the asset inspection contract is formulated by a supervisor and used for inspecting the authenticity of the receivable accounts;
The blockchain network executes the asset checking contract based on the second transaction to perform asset checking on the plurality of accounts receivable to obtain an asset checking result.
In one embodiment, the step of the asset side device submitting a first transaction to the blockchain network includes:
the asset side device generates the first transaction directly carrying the plurality of accounts receivable and submits the first transaction to the blockchain network.
In one embodiment, the step of the asset side device submitting a first transaction to the blockchain network includes:
generating the first transaction for invoking a data record contract, including the plurality of accounts receivable as entries; submitting the first transaction to the blockchain network such that the blockchain network executes the data logging contract based on the first transaction and stores the plurality of accounts receivable.
In one embodiment, prior to submitting the second transaction invoking an asset checking contract to the blockchain network, further comprising:
the supervisor device determining inspection logic of the asset inspection contract and generating a third transaction to create the asset inspection contract based on the inspection logic of the asset inspection contract; submitting the third transaction to the blockchain network, thereby deploying the asset checking contract in the blockchain network.
In one embodiment, the inspection logic of the asset inspection contract comprises sampling logic and comparison logic; the sampling logic includes: extracting a first quantity of accounts receivable from the plurality of accounts receivable; the comparison logic comprises: and verifying the preset logic relation among a plurality of items included in the extracted plurality of accounts receivable accounts.
In one embodiment, the sampling logic comprises: and determining a first quantity of sampling numbers by adopting a pseudo-random algorithm, and extracting a first quantity of accounts receivable from the plurality of accounts receivable according to the sampling numbers.
In one embodiment, the issuing system further comprises advisor equipment; the method further comprises the following steps:
the advisor device determining asset measures of the plurality of accounts receivable including a rate of return and an issuance price for the plurality of accounts receivable; submitting a fourth transaction generated based on the asset valuation result to the blockchain network, thereby storing the asset valuation result in the blockchain network.
In one embodiment, the step of determining the result of the asset assessment of the plurality of accounts receivable comprises:
determining an asset valuation result for the plurality of accounts receivable when the asset inspection result indicates a pass of inspection.
In one embodiment, the step of determining the result of the asset assessment of the plurality of accounts receivable comprises:
acquiring a plurality of stored accounts receivable from the blockchain network;
and carrying out asset classification on the accounts receivable, and respectively determining asset evaluation results of the accounts receivable under a plurality of classifications.
In one embodiment, before the asset classifying the plurality of accounts receivable, the method further comprises:
the advisor device submitting a fifth transaction to the blockchain network for invoking a value checking contract, including the plurality of accounts receivable as entries; the checking logic of the value checking contract is formulated by an advisor and used for checking the value of the receivable accounts;
and the blockchain network executes the value checking contract based on the fifth transaction so as to check the value of the multiple accounts receivable to obtain a value checking result.
In one embodiment, the method further comprises:
the asset-side device, when the asset inspection result indicates an inspection failure, determining a non-qualified receivable in the asset inspection and determining a replacement receivable to replace the non-qualified receivable and performing one of:
Submitting a transaction generated based on the alternative accounts receivable to the blockchain network, thereby storing the alternative accounts receivable in the blockchain network;
or replacing disqualified receivable accounts in the multiple receivable accounts with the substitute receivable accounts to obtain updated multiple receivable accounts, and submitting transactions generated based on the updated multiple receivable accounts to the blockchain network, so that the updated multiple receivable accounts are stored in the blockchain network.
In one embodiment, the publishing system further comprises a law partner device;
and the law authority equipment determines the legal documents corresponding to the multiple receivable accounts and submits the transaction generated based on the legal documents to the blockchain network, so that the legal documents are stored in the blockchain network.
In one embodiment, after storing the legal certification document in the blockchain network, the supervisor device further obtains the legal certification document from the blockchain network and confirms the legal certification document to obtain confirmation information; submitting a transaction generated based on the confirmation information to the blockchain network, thereby storing the confirmation information in the blockchain network.
In a second aspect, embodiments provide a system for issuing accounts receivable by a blockchain, the system comprising a blockchain network, an asset side device, and a supervisor device;
wherein the asset side device is to submit a first transaction to the blockchain network, the first transaction generated based on a plurality of accounts receivable to be issued to store the plurality of accounts receivable in the blockchain network;
the supervisor device to submit to the blockchain network a second transaction invoking an asset checking contract, including the plurality of accounts receivable as a reference; the inspection logic of the asset inspection contract is formulated by a supervisor and used for inspecting the authenticity of the receivable accounts;
the block chain network is used for executing the asset inspection contract based on the second transaction so as to perform asset inspection on the multiple accounts receivable to obtain an asset inspection result.
In one embodiment, the asset side device is specifically configured to:
generating the first transaction directly carrying the plurality of accounts receivable and submitting the first transaction to the blockchain network.
In one embodiment, the asset side device is specifically configured to:
Generating the first transaction for invoking a data record contract, wherein the multiple accounts receivable are included as entries; submitting the first transaction to the blockchain network such that the blockchain network executes the data logging contract based on the first transaction and stores the plurality of accounts receivable.
In one embodiment, the supervisor device is further configured to:
prior to submitting a second transaction to the blockchain network that invokes an asset checking contract, determining checking logic of the asset checking contract and generating a third transaction to create the asset checking contract based on the checking logic of the asset checking contract; submitting the third transaction to the blockchain network, thereby deploying the asset checking contract in the blockchain network.
In one embodiment, the inspection logic of the asset inspection contract comprises sampling logic and comparison logic; the sampling logic includes: extracting a first quantity of accounts receivable from the plurality of accounts receivable; the comparison logic comprises: and verifying the preset logic relation among a plurality of items included in the extracted plurality of accounts receivable accounts.
In one embodiment, the sampling logic comprises: and determining a first quantity of sampling numbers by adopting a pseudo-random algorithm, and extracting a first quantity of accounts receivable from the plurality of accounts receivable according to the sampling numbers.
In one embodiment, the system further comprises an advisor device;
the advisor device to determine asset measures of the plurality of accounts receivable including a rate of return and an issuance price for the plurality of accounts receivable; submitting a fourth transaction generated based on the asset valuation result to the blockchain network, thereby storing the asset valuation result in the blockchain network.
In one embodiment, the advisor device is specifically configured to:
determining an asset valuation result for the plurality of accounts receivable when the asset inspection result indicates a pass of inspection.
In one embodiment, the advisor device is specifically configured to:
acquiring a plurality of stored accounts receivable from the blockchain network;
and carrying out asset classification on the accounts receivable, and respectively determining asset evaluation results of the accounts receivable under a plurality of classifications.
In one embodiment, the advisor device is further configured to:
submitting a fifth transaction for invoking a value checking contract to the blockchain network prior to asset classification of the plurality of accounts receivable, including the plurality of accounts receivable as entries; the checking logic of the value checking contract is formulated by an advisor and used for checking the value of the receivable accounts;
The blockchain network is further configured to execute the value checking contract based on the fifth transaction to perform value checking on the multiple accounts receivable to obtain a value checking result.
In one embodiment, the asset side device is further configured to:
when the asset inspection result indicates that the inspection has failed, determining a non-qualified receivable in the asset inspection and determining a substitute receivable for substituting the non-qualified receivable, and performing one of:
submitting a transaction generated based on the substitute accounts receivable to the blockchain network, thereby storing the substitute accounts receivable in the blockchain network;
or replacing disqualified receivable accounts in the multiple receivable accounts with the substitute receivable accounts to obtain updated multiple receivable accounts, and submitting transactions generated based on the updated multiple receivable accounts to the blockchain network, so that the updated multiple receivable accounts are stored in the blockchain network.
In one embodiment, the system further comprises a law authority device;
the law authority device is used for determining the legal certification documents corresponding to the plurality of receivable accounts and submitting the transactions generated based on the legal certification documents to the blockchain network, so that the legal certification documents are stored in the blockchain network.
In one embodiment, the supervisor device is further configured to:
after the legal certification file is stored in the block chain network, acquiring the legal certification file from the block chain network, and confirming the legal certification file to obtain confirmation information; submitting a transaction generated based on the confirmation information to the blockchain network, thereby storing the confirmation information in the blockchain network.
In a third aspect, embodiments provide a computer-readable storage medium having a computer program stored thereon, which, when executed in a computer, causes the computer to perform the method of any of the first aspect.
In a fourth aspect, an embodiment provides a computing device, including a memory and a processor, where the memory stores executable code, and the processor executes the executable code to implement the method of any one of the first aspect.
In the method and apparatus provided by the embodiments of the present specification, the asset side device may submit a first transaction generated based on a plurality of accounts receivable to be issued to the blockchain network, so as to store the plurality of accounts receivable in the blockchain network, the supervisor device submits a second transaction calling an asset check contract to the blockchain network, and the blockchain network may check the authenticity of the plurality of accounts receivable. In this way, both accounts receivable and asset verification results can be recorded in the blockchain trustfully and tamperproof. The transparency and the credibility of the asset issuing process can effectively reduce the time and energy cost in the cooperation process of all parties and improve the issuing efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic diagram of an architecture of a distribution system in an embodiment of the present disclosure;
fig. 2 is a flowchart illustrating a method for issuing receivable accounts through a blockchain according to an embodiment;
FIG. 3 is a schematic diagram of an issuing system;
FIG. 4 is a schematic diagram of storing business data in a blockchain through transactions;
fig. 5 is a schematic block diagram of a system for issuing receivable accounts through a blockchain according to an embodiment.
Detailed Description
The scheme provided by the specification is described below with reference to the accompanying drawings.
As mentioned above, for the property side, the accounts receivable to be issued must be checked and verified by the monitoring side during the issuing process, and the authenticity of the accounts receivable is confirmed by the monitoring side. The supervisor is an authority in the field of securities issuing, and when the supervisor issues a qualified report for accounts receivable to be issued, the accounts receivable have the basic conditions for issuing. The advisor such as a dealer can perform asset assessment for accounts receivable to be issued by coordinating with the assets side, and determine information such as the yield and the issuing price. The law authority can issue legal documents for the assets to be issued through coordination with the assets authority. Throughout the existing distribution process, the asset party needs to travel to and from the supervisor, advisor, proprietor, etc. multiple times. When the record information for the receivable to be issued is provided, the issuing process of the receivable is completed, but the issuing process is less time-efficient. The docket information can comprise a qualified report issued by a monitoring party, and can also comprise an asset evaluation result issued by an advisor and/or a legal certificate issued by an law authority, and the like.
Moreover, due to the asymmetry of information among multiple parties, in the process that an asset party submits accounts receivable to be issued to a supervisor for auditing, and the asset party obtains record information and completes issuing, the account receivable information cannot be guaranteed not to be changed.
In order to solve the above problems, an embodiment of the present specification proposes to record and check accounts receivable to be issued by using a block chain technology and an intelligent contract, so that business data is traceable and not falsifiable, an issuing process is completed as much as possible through information interaction between devices, and efficiency of the issuing process is improved. Fig. 1 is a schematic structural diagram of a distribution system in an embodiment of the present specification. The asset side device submitting a first transaction to the blockchain network, the first transaction being generated based on a plurality of accounts receivable to be issued, thereby storing the plurality of accounts receivable in the blockchain network; the supervisor device submits a second transaction for calling the asset checking contract to the blockchain network, wherein the second transaction comprises a plurality of accounts receivable as entries; the inspection logic of the asset inspection contract is formulated by a supervisor and used for inspecting the authenticity of the receivable accounts; and the block chain network executes the asset inspection contract based on the second transaction so as to perform asset inspection on the multiple accounts receivable to obtain an asset inspection result. Wherein, when the asset inspection result indicates that the inspection is passed, the asset inspection result is equivalent to that the supervision policy issues a qualified report for a plurality of accounts receivable to be issued.
Wherein, the asset party has the assets to be issued, i.e. a plurality of accounts receivable to be issued. The supervisor is used for checking the authenticity of a plurality of accounts receivable to be issued. The issuing system may also include advisor equipment and/or law enforcement equipment. The advisor, which may also be referred to as an investment advisor, is used to make asset assessments of the various accounts receivable to be issued and to determine information such as the rate of return of their investment and the issue price. The law authority can perform legal analysis on a plurality of accounts receivable to be issued and issue legal documents. The assets side equipment, the supervisor side equipment, the advisor side equipment and the law side equipment correspond to the assets side, the supervisor side, the advisor side and the law side respectively.
The receivables are explained in detail below. Accounts receivable refers to a credit asset that has poor liquidity but has a future cash flow, such as a loan made by a bank, a loan made by a business, and the like. Each accounts receivable may include multiple of the following asset detail data: borrowing amount, borrowing date, borrowing period, borrowing interest rate, borrowing interest, repayment mode, current discount rate, repayment period, transfer period, early payment, expected condition and the like. In order to protect the privacy of the data, the data may be recorded in the form of ciphertext in a blockchain.
In one application scenario, the asset side has a large amount of small accounts receivable, i.e., the accounts receivable are small in amount and large in number of strokes. When the monitoring party confirms the authenticity of a large amount of accounts to be collected, the monitoring party cannot check the accounts one by one, and the monitoring party adopts a sampling inspection mode instead. In this case, the supervisor may set sampling logic and comparison logic in the intelligent contract to sample large amounts of accounts receivable. In the existing method, when a large amount of accounts receivable are subjected to sampling inspection, even if the sampling inspection is passed, the non-sampled assets in the original asset data cannot be guaranteed not to be changed. And a large amount of accounts receivable are recorded in the block chain, and an intelligent contract is called to carry out sampling inspection on the accounts receivable, so that the original asset data subjected to sampling inspection can be ensured not to be changed, and the credibility of the data is very high.
The block chain network will be described. In the embodiments of the present description, the blockchain may be a federation chain or a public chain. As known to those skilled in the art, a blockchain network is a distributed storage and recording system, which includes a plurality of nodes, and the plurality of nodes can be implemented by any device, equipment, platform, equipment cluster, etc. having computing and processing capabilities. Referring to fig. 1, the nodes may send transactions and signatures to each other, where a transaction Tx is a basic unit of storage in a blockchain, and various data to be stored on a blockchain network is generally recorded by using the transaction Tx as a carrier. The node receives a plurality of transactions within a period of time, and the transactions can be packaged into blocks through the processes of broadcasting, consensus, verification and the like, and the blocks are recorded on a block chain to complete block chain linking. In the following, the meaning of the word "cochain" is used as it is described herein. The consensus mechanism includes workload Proof (POW), Proof of rights and interests (PoS), and Byzantine Fault tolerant consensus (BFT). In one embodiment, BFT may be used as a consensus mechanism in a federation chain. In current mainstream blockchain networks, a block can store hundreds of transactions, and after the block is linked, each node performs the transactions in the order in the block. In the field of blockchain technology, the node performing the above process may be referred to as a full node or accounting node, which is a computing device that can generate new blocks based on transaction Tx and chain the blocks. The circles in fig. 1 represent nodes, and the number of nodes shown is merely an example, and in practical applications, the number of nodes in the blockchain network may be more or less.
The above-mentioned assets side equipment, supervisor side equipment, advisor side equipment and law side equipment can be respectively implemented by using client or service platform (including server). The service platform may be implemented by an apparatus, device, platform, cluster of devices having computing and processing capabilities. When the above devices are implemented by clients, the clients may connect with nodes in the blockchain network based on a Software Development Kit (SDK); when the above devices are implemented using a service platform, the devices may be directly connected to nodes in the blockchain network. Through the connection with nodes in the blockchain network, asset side equipment, supervisor side equipment, advisor side equipment, law side equipment and the like can submit transactions to the blockchain network, and the functions corresponding to the transactions are realized. The nodes to which the respective devices are connected may be the same or different.
In another embodiment, the asset side device, the supervisor device, the advisor device, the law side device, etc. may also be used as nodes in the blockchain network to implement the logical functions of the nodes. The embodiments in this specification do not limit the specific implementation between each device and the blockchain network. The following description will be given with reference to specific examples.
Fig. 2 is a flowchart illustrating a method for issuing receivable funds through a blockchain according to an embodiment of the present invention. The method is applied to a distribution system comprising a blockchain network 10, an asset side device 20 and a supervisor device 30. The blockchain network 10 includes a plurality of nodes. The method includes the following steps S210 to S230.
At step S210, the asset side device 20 submits a first transaction Tx1 to the blockchain network 10. Therein, a first transaction Tx1 is generated based on a plurality of accounts receivable Data1 to be issued, storing a plurality of accounts receivable in the blockchain network 10 by submitting a first transaction Tx 1.
Generating the first transaction Tx1 based on the multiple accounts receivable Data1 to be issued may include various embodiments. In one embodiment, the asset side device 20 may generate a first transaction that directly carries multiple accounts receivable Data1 and submit the first transaction Tx1 to the blockchain network 10. When the first transaction Tx1 directly carries the multiple accounts receivable Data1, the multiple accounts receivable Data1 may be set in the Data field of the first transaction Tx 1.
In another embodiment, the asset side device 20 generates a first transaction Tx1 for invoking a Data record contract, including multiple accounts receivable Data1 as entries; the asset side device 20 submits a first transaction Tx1 to the blockchain network 10, causing the blockchain network 10 to execute a Data logging contract based on the first transaction Tx1 and store multiple outstanding receivable Data 1.
Where the data record contract is an intelligent contract that may be an intelligent contract pre-deployed in the blockchain network 10. Logic in the data logging contract for logging the entries. A data record contract may be deployed in the blockchain network 10 by a transaction generated by any one of the accounts that was used to create the data record contract.
The multiple accounts receivable Data1 in the first transaction Tx1 may exist in the form of ciphertext, and specifically, the multiple accounts receivable Data1 may be encrypted by using the first private key of the asset party, and the encryption algorithm may be a common asymmetric algorithm.
The asset side device 20 may also submit the digital signature of the asset side while submitting the first transaction Tx1 to the blockchain network 10. The asset party's digital signature may be placed in the digital signature field of the first transaction or may be located outside of the first transaction Tx 1. Wherein the digital signature of the asset party can be determined based on the plurality of accounts receivable Data 1. Specifically, the digital signature of the asset party may be obtained by encrypting digests of the plurality of accounts receivable Data1 with a first private key of the asset party, and the encryption process may employ a common asymmetric encryption algorithm. The digest of the receivable Data1 can be obtained based on the hash value of the receivable Data1, for example, the hash value can be directly obtained, or the hash value can be converted according to a predetermined rule.
A node in the blockchain network may verify the digital signature of the asset party upon receiving the first transaction Tx1 and the digital signature of the asset party. The method specifically comprises the steps of acquiring a first public key corresponding to a first private key, decrypting a digital signature of an asset party by using the first public key, and comparing and verifying a digest obtained by decryption and a digest directly calculated by using a plurality of accounts receivable Data1 in a first transaction Tx 1; when the comparison verification is passed, a subsequent process is performed, such as broadcasting the first transaction Tx1 to other nodes. In this embodiment, the verification is a process of verifying the digital signature, and the verification of the digital signature can determine whether the digital signature is from the asset side and whether the multiple accounts receivable items are tampered.
Each account receivable may have a unique identifier, and the identifier may be obtained based on a hash value of the account receivable, for example, the hash value of the account receivable may be directly used as the identifier, or a value obtained by performing preset transformation on the hash value may be used as the identifier.
In step S220, the supervisor device 30 submits a second transaction Tx2 invoking the asset checking contract to the blockchain network 10, where the second transaction Tx2 includes multiple accounts receivable Data1 as entries, i.e., multiple accounts receivable Data1 as parameter values that are entered into the asset checking contract. The checking logic of the asset checking contract is set up by the supervisor for checking the authenticity of the receivables.
In step S230, the blockchain network 10 executes the asset checking contract based on the second transaction Tx2 to perform asset checking on the multiple accounts receivable Data1, resulting in an asset checking result. The asset examination result may include information indicating that a plurality of accounts receivable Data1 pass the asset examination, or may include information indicating that a plurality of accounts receivable Data1 fail the asset examination.
The supervisor device 30 may first obtain multiple receivables Data1 from the blockchain network 10 and generate a second transaction Tx2 based on the multiple receivables Data1 and the asset checking contract.
The above-described asset checking contract is an intelligent contract that may be an intelligent contract pre-deployed in the blockchain network 10. For example, prior to submitting the second transaction invoking the asset checking contract to the blockchain network 10, the supervisor device 30 may also determine the checking logic of the asset checking contract and generate a third transaction Tx3 creating the asset checking contract based on the checking logic of the asset checking contract. The supervisor device 30 submits a third transaction Tx3 to the blockchain network 10, deploying an asset check contract in the blockchain network 10. The supervisor device 30 may submit a third transaction Tx3 to the blockchain network 10 before or after the multiple accounts receivable Data1 are stored in the blockchain network 10.
In a large volume low accounts receivable application scenario, the inspection logic of an asset inspection contract may include sampling logic and comparison logic. The sampling logic may include: a first quantity of receivables is extracted from the plurality of receivables. The first amount may be a preset value, in particular a very small value compared to the total amount of accounts receivable. The alignment logic may include: and verifying the preset logical relationship among a plurality of items included in the extracted plurality of accounts receivable, namely verifying whether the plurality of items conform to the preset logical relationship. Specifically, multiple items in each account receivable account, for example, multiple items such as a borrowing date, a borrowing deadline and a repayment mode, or multiple items such as a borrowing amount, a borrowing interest rate and a borrowing total interest, are verified according to a preset logical relationship, that is, the preset logical relationship among the multiple items in each account receivable account is verified respectively, and whether the multiple items meet the preset logical relationship is verified. When a match is made, the pen is deemed to have passed the check. When the number of the accounts receivable passing the inspection is larger than a preset value, the inspection of the asset inspection contract is considered to be passed; when the number of accounts receivable that pass the verification is not greater than the preset value, it may be considered that the verification of the asset verification contract is not passed.
In one embodiment, the sampling logic comprises: a first number of sample numbers are determined using a pseudo-random algorithm, and a first number of accounts receivable are extracted from the plurality of accounts receivable Data1 based on the sample numbers. By using a pseudo-random algorithm, each node in the block chain network can obtain the same sampling number when calling the asset checking contract; and for all the numbers of the plurality of receivable accounts, the acquired sampling number is acquired randomly in all the numbers. The number of the receivable account may be the identifier thereof, or may be a serial number regenerated in the order of the identifier. When each node acquires the same sampling number, each node can obtain the same result after calling the asset check contract, so that the world state of the block chain network can be recorded more conveniently.
In an application scenario where there is not a large amount of small accounts receivable, the checking logic of the asset checking contract may only include the comparison logic, i.e., the checking logic may verify the preset logical relationship between the items included in the multiple accounts receivable items.
The supervisor may also modify the specific content of the above-described inspection logic and generate, through the supervisor device, a transaction for creating a new asset inspection contract, which is submitted to the blockchain network to deploy the new asset inspection contract. And calling a new asset checking contract to perform asset checking on the multiple accounts receivable in the subsequent process. Therefore, the supervision party can control the inspection logic for inspecting the authenticity of the assets, and compared with the existing mode, the modification process of the supervision party on the inspection logic is more convenient and efficient.
In another embodiment of the present disclosure, the issuing system may further include an advisor device 40 and/or a lawyer device 50, see fig. 3, where fig. 3 is a schematic diagram of the structure of the issuing system.
The advisor device 40, may first determine the results of the asset valuation of the plurality of accounts receivable Data1, including the profitability and the issuance price of the plurality of accounts receivable Data1, and may also include bad credit rates, etc. The profitability is the investment profitability, which is the investment profitability for the investor. The advisor device 40 may then submit a fourth transaction Tx4 generated based on the asset assessment results to blockchain network 10, thereby storing the asset assessment results in blockchain network 10.
The advisor device 40 in determining the asset valuation results may be conducted after the first transaction Tx1 is recorded in the blockchain network 10; it may also be done when the asset verification results are available in the blockchain network 10 and indicate a pass through for verification.
When determining the asset evaluation results of the plurality of receivable Data items 1, the advisor device 40 may specifically acquire the plurality of receivable Data items 1 stored in the blockchain network 10, classify the plurality of receivable Data items 1 into assets, and determine the asset evaluation results of the receivable items in the plurality of classifications.
The advisor device 40 may also submit a fifth transaction Tx5 for invoking a value checking contract to the blockchain network 10 prior to asset classification of the multiple accounts receivable Data1, the fifth transaction Tx5 including the multiple accounts receivable as entries. The checking logic of the value checking contract is made by the counselor for checking the value of the receivable. The blockchain network 10 may execute a value verification contract based on the fifth transaction Tx5 to verify the value of the plurality of accounts receivable Data1, resulting in a value verification result. The value check result may include information indicating whether a plurality of accounts receivable pass the check, and/or information indicating the magnitude of the value of the accounts receivable, and the like. The blockchain network 10 may check the asset worth of each receivables individually.
The checking logic of the value checking contract may include determining whether a specified item of the plurality of accounts receivable items is greater than a corresponding preset threshold value, or determining the value of the accounts receivable items based on a value of the specified item of the accounts receivable items. The value inspection result can be used for reference when the investor selects the assets.
The consultant may modify the specific content of the checking logic of the value checking contract and, by the consultant generating a transaction for creating a new value checking contract, submit the transaction to the blockchain network to deploy the new value checking contract. And calling a new value checking contract to carry out value checking on the multiple accounts receivable in the subsequent process. In this manner, the advisor may more conveniently and efficiently implement modifications to the inspection logic.
The issuing system may also include a law authority device 50. The law authority device 50 may determine legal compliance files corresponding to the plurality of accounts receivable Data1 and submit transactions generated based on the legal compliance files to the blockchain network 10, thereby storing the legal compliance files in the blockchain network 10.
The legal documents may include, but are not limited to, transferable information for each account receivable, etc. The legal certification document can be in image format or text format.
After storing the legal credentials in the blockchain network 10, the supervisor device 30 may also obtain the legal credentials from the blockchain network 10, confirm the legal credentials, obtain confirmation information, submit a transaction generated based on the confirmation information to the blockchain network 10, and store the confirmation information in the blockchain network 10.
In one embodiment, the supervisor device 30 may also place the confirmation of the legal document in the alignment logic of the inspection logic of the asset inspection contract.
In the embodiment shown in fig. 2, the asset side device 20 may also chain additional assets or re-chain all of the multiple receivable items when the asset verification result indicates that the verification fails, and the specific implementation flow includes the following steps 1 and 2.
And 2, replacing unqualified receivable accounts by executing one of the following operations:
the asset side device 20 submits a transaction Tx11 generated based on the substitute accounts receivable to the blockchain network 10, storing the substitute accounts receivable in the blockchain network 10. Specific data may be added to the transaction Tx11 to indicate the first transaction Tx1 corresponding to the substitute receivable and the identification of the unqualified receivable in the first transaction Tx 1;
alternatively, the asset side device 20 replaces the non-conforming accounts receivable in the plurality of accounts receivable Data1 with the substitute accounts receivable, obtains the updated plurality of accounts receivable, and submits the transaction generated based on the updated plurality of accounts receivable to the blockchain network 10, thereby storing the updated plurality of accounts receivable in the blockchain network 10. After that, the steps S220 and S230 may be further continued to perform the asset check on the updated accounts receivable until the asset check result indicates that the check is passed.
In another embodiment, when the value checking result indicates that the checking is failed, the asset side equipment may be enabled to chain additional assets or re-chain all assets in the above manner.
When the inventory information for multiple accounts receivable Data1 in the blockchain network is complete, the issuance can be considered complete. The docket information may include an asset inspection result (equivalent to a qualified report issued by a regulator) indicating that the asset inspection passed. In order to make the filing information richer and complete, the filing information can also comprise asset evaluation results given by the advisor, legal documents given by the law authority, and the like.
When the issuance of the plurality of accounts receivable accounts is completed, the investor can query the plurality of accounts receivable accounts which are linked up and the related filing information from the blockchain network through the designated client corresponding to the blockchain network.
The above embodiments include a process of storing business data such as multiple accounts receivable accounts, asset evaluation results, legal documents, confirmation information, and the like in the blockchain network, where the storing process is an uplink process; the various embodiments described above also include procedures to invoke smart contracts (invoke asset checking contracts, value checking contracts, data record contracts, etc.). The above-mentioned business data are stored in the block chain, and can be realized by submitting the transaction directly carrying the business data to the block chain network, and also can be realized by calling an intelligent contract. The following describes a process of storing service data in a blockchain network, and a process of creating an intelligent contract and invoking the intelligent contract, with reference to specific examples. The business data can be replaced by any one of a plurality of accounts receivable, asset evaluation results, legal documents, confirmation information and the like.
Fig. 4 is a schematic diagram of storing service data in a blockchain by transaction. Described below in conjunction with etherhouses. First, a process of storing service data in a blockchain network by submitting a transaction directly carrying the service data is described. For example, a certain node 1 wants to send out a transaction Tx carrying service data and a digital signature, the from field of the initiator in the transaction content is the address of the node 1, and the to field of the receiver can be set to a default address, but not limited to; and, the Data field of the transaction content carries the service Data. When the node 1 issues the transaction Tx into the blockchain network, for example, through a broadcast mechanism, each node in the blockchain can receive the transaction Tx, and each node adds the block containing the transaction Tx to the blockchain through a consensus mechanism, so that the process of storing the service data in the blockchain is realized.
When the block containing the transaction Tx is added to the blockchain through the consensus mechanism, an accounting node may be specifically determined through the consensus mechanism, and the accounting node verifies a plurality of locally received transactions, for example, verifies a digital signature therein to determine whether the digital signature originates from the transaction initiator, and simultaneously verifies whether the service data therein is tampered. After the verification passes, new tiles in the blockchain network are generated based on the transactions, and after the new tiles are generated, the accounting node broadcasts the generation of the new tiles to the entire blockchain network so that each node updates the local tiles.
The following describes a process of recording service data in a blockchain by calling an intelligent contract. The process of issuing or creating an intelligent contract is first explained. An intelligent contract is program logic that can be automatically executed, and is written into a blockchain in a digital form after being issued or created, and is executed by each node in the blockchain. For example, a certain node 1 wants to issue an intelligent Contract1, which contains Contract logic, for example, data record logic. The node 1 may issue the intelligent contract in the form of a transaction. Specifically, the node 1 may initiate a transaction Tx, where the from field of the initiator in the transaction content is the address of the node 1, and the to field of the receiver is set to null; and, the Data field in the transaction content contains the byte code of the intelligent contract. After node 1 issues such a transaction to the blockchain, the accounting node records it into the blockchain through a consensus mechanism. In the process, a contract address is also assigned to the intelligent contract according to a certain algorithm. Thus, an intelligent contract corresponds to a contract address that uniquely identifies the intelligent contract.
After the intelligent contract is issued, the nodes in the blockchain may all invoke the intelligent contract. For example, node 2 wants to invoke the intelligent contract to record its own traffic Data in the blockchain, node 2 may initiate a transaction Tx, where the from field may be the address of node 2, the to field may be the contract address of the intelligent contract, and the Data field may be the parameter value (i.e., the entry parameter) that is imported into the intelligent contract, such as the traffic Data. After the transaction Tx is linked up, when each node executes the transaction Tx, the virtual machine in the node executes the operation corresponding to the contract logic, and realizes that the service data is stored in the blockchain network.
In addition to storing traffic data in a blockchain network, intelligent contracts can also perform a wide variety of functions. Different contract logics are arranged on the intelligent contract, and different functions can be realized. For example, when the contract logic is asset checking logic or value checking logic, invoking an intelligent contract may implement the functionality of performing asset authenticity checks and asset value checks on multiple accounts receivable, respectively.
In the above embodiments, the terms "first" in the first transaction and the like, and the terms "second" and "third" in the following are used for distinguishing the same kind of things, and do not have other limiting effects such as ordering.
The foregoing describes certain embodiments of the present specification, and other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily have to be in the particular order shown or in sequential order to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
Fig. 5 is a schematic block diagram of a system for issuing receivable accounts through a blockchain according to an embodiment. The system includes a blockchain network 510, an assets side device 520, and a supervisor device 530;
wherein the asset side device 520 is configured to submit a first transaction to the blockchain network 510, the first transaction being generated based on a plurality of accounts receivable to be issued, thereby storing the plurality of accounts receivable in the blockchain network 510;
the supervisor device 530 for submitting a second transaction invoking an asset checking contract to the blockchain network 510, including the plurality of accounts receivable as entries; the checking logic of the asset checking contract is formulated by a supervisor and is used for checking the authenticity of the receivable accounts;
the blockchain network 510 is configured to execute the asset checking contract based on the second transaction to perform asset checking on the multiple accounts receivable to obtain an asset checking result.
In one embodiment, the asset side device 520 is specifically configured to:
generate the first transaction directly carrying the multiple accounts receivable and submit the first transaction to the blockchain network 510.
In one embodiment, the asset side device 520 is specifically configured to:
generating the first transaction for invoking a data record contract, including the plurality of accounts receivable as entries; submitting the first transaction to the blockchain network 510 to cause the blockchain network 510 to execute the data logging contract based on the first transaction and store the plurality of accounts receivable.
In one embodiment, the supervisor device 530 is further configured to:
prior to submitting the second transaction invoking the asset checking contract to the blockchain network 510, determining checking logic of the asset checking contract and generating a third transaction creating the asset checking contract based on the checking logic of the asset checking contract; submitting the third transaction to the blockchain network 510 to deploy the asset checking contract in the blockchain network 510.
In one embodiment, the inspection logic of the asset inspection contract comprises sampling logic and comparison logic; the sampling logic includes: extracting a first quantity of accounts receivable from the plurality of accounts receivable; the comparison logic comprises: and verifying the preset logic relation among a plurality of items included in the extracted plurality of accounts receivable accounts.
In one embodiment, the sampling logic comprises: and determining a first number of sampling numbers by adopting a pseudo-random algorithm, and extracting a first number of accounts receivable from the plurality of accounts receivable according to the sampling numbers.
In one embodiment, the system 500 further includes advisor equipment 540;
the advisor device 540 to determine the results of the asset valuations of the plurality of accounts receivable, including the rate of return and the issuance price for the plurality of accounts receivable; submitting a fourth transaction generated based on the asset assessment result to the blockchain network 510, thereby storing the asset assessment result in the blockchain network 510.
In one embodiment, the advisor device 540 is specifically adapted to:
determining an asset valuation result for the plurality of accounts receivable when the asset verification result indicates a verification pass.
In one embodiment, the advisor device 540 is specifically adapted to:
obtaining a plurality of stored accounts receivable from the blockchain network 510;
and carrying out asset classification on the plurality of accounts receivable, and respectively determining asset evaluation results of the accounts receivable under a plurality of classifications.
In one embodiment, the advisor device 540 is further configured to:
Submitting a fifth transaction to the blockchain network 510 for invoking a value checking contract, including the multiple accounts receivable as a reference, prior to asset classification of the multiple accounts receivable; the checking logic of the value checking contract is formulated by the advisor and is used for checking the value of the receivable accounts;
the blockchain network 510 is further configured to execute the value checking contract based on the fifth transaction to perform value checking on the multiple accounts receivable to obtain a value checking result.
In one embodiment, the asset side device 520 is further configured to:
when the asset inspection result indicates that the inspection has failed, determining a non-qualified receivable in the asset inspection and determining a substitute receivable for substituting the non-qualified receivable, and performing one of:
submitting a transaction generated based on the substitute receivables to the blockchain network 510, thereby storing the substitute receivables in the blockchain network 510;
or replacing the disqualified receivable in the plurality of receivable accounts with the substitute receivable account to obtain an updated plurality of receivable accounts, and submitting a transaction generated based on the updated plurality of receivable accounts to the blockchain network 510, so as to store the updated plurality of receivable accounts in the blockchain network 510.
In one embodiment, system 500 further includes a law enforcement device 550;
the law authority device 550 is configured to determine legal documents corresponding to the multiple receivable accounts, and submit a transaction generated based on the legal documents to the blockchain network 510, so that the legal documents are stored in the blockchain network 510.
In one embodiment, the supervisor device 530 is further configured to:
after the legal certification document is stored in the blockchain network 510, obtaining the legal certification document from the blockchain network 510, and confirming the legal certification document to obtain confirmation information; the transaction generated based on the confirmation information is submitted to the blockchain network 510, so that the confirmation information is stored in the blockchain network 510.
The system embodiment corresponds to the method embodiment, and for specific description, reference may be made to the description of the method embodiment, which is not described herein again. The system embodiment is obtained based on the corresponding method embodiment, and has the same technical effect as the corresponding method embodiment, and for specific description, reference may be made to the corresponding method embodiment.
Embodiments of the present specification also provide a computer-readable storage medium having stored thereon a computer program which, when executed in a computer, causes the computer to perform the method of any one of fig. 1 to 4.
An embodiment of the present specification further provides a computing device, including a memory and a processor, where the memory stores executable code, and the processor executes the executable code to implement the method described in any one of fig. 1 to 4.
All the embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the storage medium and the computing device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points.
Those skilled in the art will recognize that the functionality described in embodiments of the invention may be implemented in hardware, software, firmware, or any combination thereof, in one or more of the examples described above. When implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium.
The above-mentioned embodiments further describe in detail the objects, technical solutions and advantageous effects of the embodiments of the present invention. It should be understood that the above description is only exemplary of the embodiments of the present invention, and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements and the like based on the technical solutions of the present invention should be included in the scope of the present invention.
Claims (20)
1. A method of issuing accounts receivable by blockchain for use in an issuing system comprising a blockchain network, asset side devices and supervisor devices, the method comprising:
the asset side device submitting a first transaction to the blockchain network, the first transaction generated based on a plurality of accounts receivable to be issued, thereby storing the plurality of accounts receivable in the blockchain network;
the supervisor device submitting to the blockchain network a second transaction invoking an asset checking contract, including the multiple accounts receivable as a reference; the inspection logic of the asset inspection contract is formulated by a supervisor and used for inspecting the authenticity of the receivable accounts;
the blockchain network executes the asset checking contract based on the second transaction to perform asset checking on the plurality of accounts receivable to obtain an asset checking result.
2. The method of claim 1, the step of the asset side device submitting a first transaction to the blockchain network comprising:
the asset side device generates the first transaction directly carrying the plurality of accounts receivable and submits the first transaction to the blockchain network.
3. The method of claim 1, the step of the asset side device submitting a first transaction to the blockchain network comprising:
generating the first transaction for invoking a data record contract, wherein the multiple accounts receivable are included as entries; submitting the first transaction to the blockchain network such that the blockchain network executes the data logging contract based on the first transaction and stores the plurality of accounts receivable.
4. The method of claim 1, prior to submitting the second transaction invoking an asset checking contract to the blockchain network, further comprising:
the supervisory device determining inspection logic of the asset inspection contract and generating a third transaction to create the asset inspection contract based on the inspection logic of the asset inspection contract; submitting the third transaction to the blockchain network, thereby deploying the asset checking contract in the blockchain network.
5. The method of claim 1, the inspection logic of the asset inspection contract comprising sampling logic and comparison logic; the sampling logic includes: extracting a first quantity of accounts receivable from the plurality of accounts receivable; the comparison logic comprises: and verifying the preset logic relation among a plurality of items included in the extracted plurality of accounts receivable accounts.
6. The method of claim 5, the sampling logic comprising: and determining a first quantity of sampling numbers by adopting a pseudo-random algorithm, and extracting a first quantity of accounts receivable from the plurality of accounts receivable according to the sampling numbers.
7. The method of claim 1, the issuing system further comprising an advisor device; the method further comprises the following steps:
the advisor device determining asset measures of the plurality of accounts receivable including a rate of return and an issuance price for the plurality of accounts receivable; submitting a fourth transaction generated based on the asset valuation result to the blockchain network, thereby storing the asset valuation result in the blockchain network.
8. The method of claim 7, the step of determining the result of the asset assessment of the plurality of accounts receivable comprising:
determining an asset valuation result for the plurality of accounts receivable when the asset inspection result indicates a pass of inspection.
9. The method of claim 7, the step of determining the result of the asset assessment of the plurality of accounts receivable comprising:
acquiring a plurality of stored accounts receivable from the block chain network;
and carrying out asset classification on the accounts receivable, and respectively determining asset evaluation results of the accounts receivable under a plurality of classifications.
10. The method of claim 9, prior to the asset classifying the plurality of accounts receivable, further comprising:
the advisor device submitting a fifth transaction to the blockchain network for invoking a value checking contract, including the plurality of accounts receivable as entries; the checking logic of the value checking contract is formulated by an advisor and used for checking the value of the receivable accounts;
and the blockchain network executes the value checking contract based on the fifth transaction so as to check the value of the multiple accounts receivable to obtain a value checking result.
11. The method of claim 1, further comprising:
the asset-side device, when the asset inspection result indicates an inspection failure, determining a non-qualified receivable in the asset inspection and determining a replacement receivable to replace the non-qualified receivable and performing one of:
submitting a transaction generated based on the substitute accounts receivable to the blockchain network, thereby storing the substitute accounts receivable in the blockchain network;
or replacing disqualified receivable accounts in the multiple receivable accounts with the substitute receivable accounts to obtain updated multiple receivable accounts, and submitting transactions generated based on the updated multiple receivable accounts to the blockchain network, so that the updated multiple receivable accounts are stored in the blockchain network.
12. The method of claim 1, the publishing system further comprising a law authority device;
and the law authority equipment determines the legal certification documents corresponding to the plurality of receivable accounts and submits the transaction generated based on the legal certification documents to the blockchain network, so that the legal certification documents are stored in the blockchain network.
13. The method of claim 12, the supervisor device further obtaining the legal credentials from the blockchain network after storing the legal credentials in the blockchain network, and validating the legal credentials to obtain validation information; submitting a transaction generated based on the confirmation information to the blockchain network, thereby storing the confirmation information in the blockchain network.
14. A system for issuing accounts receivable through a blockchain, comprising a blockchain network, an asset side device, and a supervisor device;
wherein the asset side device is to submit a first transaction to the blockchain network, the first transaction generated based on a plurality of accounts receivable to be issued to store the plurality of accounts receivable in the blockchain network;
The supervisor device to submit a second transaction invoking an asset checking contract to the blockchain network, including the plurality of accounts receivable as entries; the checking logic of the asset checking contract is formulated by a supervisor and is used for checking the authenticity of the receivable accounts;
and the block chain network is used for executing the asset inspection contract based on the second transaction so as to perform asset inspection on the multiple accounts receivable to obtain an asset inspection result.
15. The system of claim 14, the supervisor device further to:
prior to submitting a second transaction to the blockchain network that invokes an asset checking contract, determining checking logic of the asset checking contract and generating a third transaction to create the asset checking contract based on the checking logic of the asset checking contract; submitting the third transaction to the blockchain network, thereby deploying the asset checking contract in the blockchain network.
16. The system of claim 14, wherein the inspection logic of the asset inspection contract comprises sampling logic and comparison logic; the sampling logic includes: extracting a first quantity of accounts receivable from the plurality of accounts receivable; the comparison logic comprises: and verifying the preset logic relation among a plurality of items included in the extracted plurality of accounts receivable accounts.
17. The system of claim 14, further comprising an advisor device;
the advisor device to determine asset measures of the plurality of accounts receivable including a rate of return and an issuance price for the plurality of accounts receivable; submitting a fourth transaction generated based on the asset valuation result to the blockchain network, thereby storing the asset valuation result in the blockchain network.
18. The system of claim 14, the asset side device, further to:
when the asset inspection result indicates that the inspection has failed, determining a non-qualified receivable in the asset inspection and determining a substitute receivable for substituting the non-qualified receivable, and performing one of:
submitting a transaction generated based on the substitute accounts receivable to the blockchain network, thereby storing the substitute accounts receivable in the blockchain network;
or replacing disqualified receivable accounts in the multiple receivable accounts with the substitute receivable accounts to obtain updated multiple receivable accounts, and submitting transactions generated based on the updated multiple receivable accounts to the blockchain network, so that the updated multiple receivable accounts are stored in the blockchain network.
19. A computer-readable storage medium, on which a computer program is stored which, when executed in a computer, causes the computer to carry out the method of any one of claims 1-13.
20. A computing device comprising a memory having executable code stored therein and a processor that, when executing the executable code, implements the method of any of claims 1-13.
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