CN110609846B - Method and device for processing performance warranty based on block chain and computer equipment - Google Patents
Method and device for processing performance warranty based on block chain and computer equipment Download PDFInfo
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Abstract
The application relates to a block chain-based performance guarantee processing method, a block chain-based performance guarantee processing device, a computer-readable storage medium and computer equipment, wherein the method comprises the following steps: acquiring resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of a performance guarantee function; generating a digital asset based on the performance guarantee, and writing resource information, performance date, transfer-out party information, guarantee party information and benefit party information corresponding to the digital asset into a blockchain; assigning digital assets to beneficiaries; transfer information for the digital asset is obtained, the digital asset is transferred to the transferee, and the transferee information is written to the blockchain. The scheme provided by the application can realize the conversion of the performance guaranty into the digital asset, can conveniently split the asset, is based on the block chain storage information, avoids the information from being tampered, and improves the credibility of the transferred performance guaranty.
Description
Technical Field
The present application relates to the field of internet, and in particular, to a blockchain-based method and apparatus for performing a warranty processing on a performance basis, a computer readable storage medium, and a computer device.
Background
When the demand direction is to the supplier, the supplier needs to transfer out a certain resource to the supplier. Both the demand and the supply typically agree on the redemption period for the resource that the supply can only acquire when the agreed period expires.
In order to ensure the validity of the terms contracted by the demand side and the supplier, the contents contracted by the demand side and the supplier are written into a contract, and the demand side and the supplier sign a guarantee with a bank according to the contents of the contract. The bank performs the insurance function and records the related information of the supplier and the demander, the resource which the demander should transfer, and the contents such as the resource which the demander can not honor in the term, when the banking financial institution takes the insurance function to the supplier as the insurance certificate.
Because the guarantee party is responsible for the guarantee in the performance guarantee, the performance guarantee can be used as a redemption certificate, the resource can be obtained in the appointed redemption period, the supplier can obtain the resource before the redemption period through the transfer of the performance guarantee held before the redemption period, and the performance guarantee is usually paper, has the objective possibility of being counterfeited, and reduces the credibility of the transferred performance guarantee.
Disclosure of Invention
Based on this, it is necessary to provide a block chain-based performance guarantee processing method, apparatus, computer-readable storage medium and computer device for the problem of reduced reliability of assigned performance guarantees.
A block chain-based performance guarantee processing method comprises the following steps:
acquiring resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of a performance guarantee function;
generating a digital asset based on a performance guarantee, and writing resource information, performance date, transfer-out party information, guarantee party information and benefit party information corresponding to the digital asset into a blockchain;
Assigning the digital asset to a beneficiary;
Transfer information for the digital asset is obtained, the digital asset is transferred to a transferee, and the transferee information is written to a blockchain.
A blockchain-based performance policy processing device, comprising:
the information acquisition module is used for acquiring resource information, performance date, transfer-out party information, guarantee party information and benefit party information of the performance guarantee function;
the digital asset generation module is used for generating digital assets based on the performance guarantee, and writing the corresponding resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the digital assets into the blockchain;
An allocation module for allocating the digital assets to beneficiaries;
And the asset transfer module is used for acquiring transfer information of the digital asset, transferring the digital asset to a transferee and writing the transferee information into a blockchain.
A computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of the method.
A computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of the method.
The method, the device, the computer readable storage medium and the computer equipment for processing the performance guaranty based on the blockchain are used for writing the corresponding related information of the digital asset into the blockchain through generating the digital asset based on the performance guaranty related information, and simultaneously implementing the transfer of the performance guaranty based on the digital asset. The performance guaranty is converted into the digital asset, so that the asset transfer and the splitting can be conveniently carried out, the information is prevented from being tampered based on the block chain storage information, and the reliability of the transferred performance guaranty is improved.
Drawings
FIG. 1 is a diagram of an application environment for a blockchain-based method of performing warranty processing in one embodiment;
FIG. 2 is a schematic diagram of a block chain system in one embodiment;
FIG. 3 is a block chain structure flow diagram in one embodiment;
FIG. 4 is a flow chart of a block chain based performance policy processing method in one embodiment;
FIG. 5 is a block diagram of a blockchain-based performance policy processing device in one embodiment;
FIG. 6 is a block diagram of a blockchain-based performance policy processing device in accordance with another embodiment;
FIG. 7 is a block diagram of a computer device in one embodiment.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
FIG. 1 is a diagram of an application environment for a blockchain-based performance policy processing method in one embodiment. Can be applied in the application environment as shown in fig. 1. The application environment relates to a terminal 110 and a server 120, wherein the terminal 110 belongs to one of nodes in a block chain system, the server 120 also belongs to one of nodes in the block chain system, the same block chain is stored in each node, and the terminal 110 is connected with the server 120 through a network. The server 120 may obtain the resource information, the performance date, the transfer information, the guarantee information, and the benefit information of the performance guarantee; generating a digital asset based on the performance guarantee, and writing resource information, performance date, transfer-out party information, guarantee party information and benefit party information corresponding to the digital asset into a blockchain; assigning digital assets to beneficiaries; transfer information for the digital asset is obtained, the digital asset is transferred to the transferee, and the transferee information is written to the blockchain.
The method may also be a method for implementing the block chain-based performance guarantee processing by interacting with the terminal 110 through the server 120, where the server 120 obtains the resource information, the performance date, the transfer-out party information, the guarantee party information and the benefit party information of the performance guarantee sent by the terminal 110; generating a digital asset based on the performance guarantee, and writing resource information, performance date, transfer-out party information, guarantee party information and benefit party information corresponding to the digital asset into a blockchain; assigning digital assets to beneficiaries; server 120 obtains transfer information for terminal 110 to send the digital asset, transfers the digital asset to the transferee, and writes the transferee information to the blockchain. The terminal 110 may be a desktop terminal or a mobile terminal, and the mobile terminal may be at least one of a mobile phone, a tablet computer, a notebook computer, and the like. The server 120 may be implemented as a stand-alone server or as a server cluster composed of a plurality of servers.
As shown in fig. 2, the blockchain system 100 is formed by a plurality of nodes (any form of computing device in an access network, such as servers, user terminals) and clients, forming a constituent point-To-point (P2P, peer To Peer) network between the nodes, the P2P protocol being an application layer protocol that runs on top of a transmission control protocol (TCP, transmission Control Protocol) protocol. In a distributed system, any machine, such as a server, a terminal, may join to become a node, including a hardware layer, an intermediate layer, an operating system layer, and an application layer. The functions of each node in the blockchain system include: (1) The routing, the node has basic functions for supporting communication between nodes. (2) The application is used for being deployed in a block chain to realize specific service according to actual service requirements, recording data related to the realization function to form recorded data, carrying a digital signature in the recorded data to represent the source of task data, sending the recorded data to other nodes in the block chain system, and adding the recorded data into a temporary block when the source and the integrity of the recorded data are verified by the other nodes. For example, the services implemented by the application include: wallet business, shared ledger business, smart contract business, and the like. (3) The blockchain comprises a series of blocks (blocks) which are connected with each other according to the generated sequence time, the new blocks are not removed once being added into the blockchain, and record data submitted by nodes in the blockchain system are recorded in the blocks.
Each node of the blockchain system stores one and the same blockchain. The blockchain is composed of a plurality of blocks, referring to fig. 3, the blockchain is composed of a plurality of blocks, the starting block comprises a block head and a block main body, the block head stores an input information characteristic value, a version number, a time stamp and a difficulty value, and the block main body stores input information; the next block of the starting block takes the starting block as a father block, the next block also comprises a block head and a block main body, the block head stores the input information characteristic value of the current block, the block head characteristic value of the father block, the version number, the timestamp and the difficulty value, and the like, so that the block data stored in each block in the block chain are associated with the block data stored in the father block, and the safety of the input information in the block is ensured.
As shown in FIG. 4, in one embodiment, a blockchain-based performance policy processing method is provided. The present embodiment is mainly exemplified by the application of the method to the server 120 in fig. 1. Referring to fig. 4, the block chain-based performance policy processing method specifically includes the following steps:
Step S220, acquiring resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guarantee function.
The performance guarantee function is a performance guarantee promise made by a banking financial institution to a beneficiary at the request of the beneficiary and a roll-out party (as an applicant), such as: there is a business transaction between the provider (beneficiary) and the core enterprise (the transfer party), such as the core enterprise purchases parts from the provider, both parties agree on a payment term to make payment, the provider makes a contract with the core enterprise for accounts receivable (accounts receivable for the provider and accounts payable for the core enterprise), and the core enterprise makes a performance guarantee for the contract, i.e. the core enterprise pays a certain guarantee to the bank financial institution, if the core enterprise cannot make payment within the payment date, the bank financial institution will guarantee payment. The bank performing insurance records the related information of the provider and the core enterprise, the payment amount of the core enterprise, and contents such as the payment which is guaranteed by a bank financial institution when the core enterprise cannot pay in the payment date.
The resource information of the performance guaranty function refers to information such as the amount of resources to be paid and the like agreed in the performance guaranty function, for example, 100 ten thousand accounts payable and the like. The performance date refers to information such as the redemption date contracted in the performance policy, for example, 100 tens of thousands of payments by enterprise a to provider B before 11 months and 10 days 2019. The information of the transfer-out party refers to the information of the transfer-out party in the performance guarantee, such as: when the transfer-out party is an enterprise, the transfer-out party information includes: business name, etc. The guarantor information refers to information of a guarantor in a performance guarantor, for example: when the sponsor is a banking financial institution, the sponsor information includes the name of the bank, etc. Beneficiary information refers to information of beneficiaries in the performance guaranty, such as: when the beneficiary is a provider, the beneficiary information includes: name of the provider, etc.
In one embodiment, the manner of obtaining the resource information, the performance date, the transfer-out information, the guarantee side information and the benefit side information of the performance guarantee includes any one of the following: performing image recognition on the performance guarantee image uploaded by the terminal to acquire resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guarantee; and acquiring the resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the performance guarantee function uploaded by the terminal.
The server receives a paper performance guaranty image uploaded by a staff of a banking financial institution through a terminal, identifies the content in the performance guaranty image through an optical character identification technology, and obtains resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guaranty; the server may receive the resource information, the performance date, the transfer information, the guarantee information and the benefit information of the performance guarantee function filled in by the staff of the banking financial institution through the terminal. The electronic performance guarantee of the electronic edition can be obtained, and the resource information, the performance date, the transfer-out party information, the guarantee party information and the benefit party information extracted from the electronic performance guarantee can be obtained. The optical character recognition technology is one of computer vision technology, and aims at printing characters, adopts an optical mode to convert characters in a paper document into an image file with black and white dot matrixes, and converts the characters in the image into a text format through recognition software for further editing and processing of word processing software.
Step S240, generating a digital asset based on the performance guarantee function, and writing the resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information corresponding to the digital asset into the blockchain.
Wherein generating the digital asset based on the performance guaranty comprises: the digital asset issuer generates the digital asset based on the performance guaranty, and the digital asset issuer can be a guaranty in the performance guaranty or a transfer-out party in the performance guaranty, and when the digital asset issuer is the guaranty, the guaranty initiates an application request of the digital asset, wherein the application request comprises information of the issuer (namely, information of the guaranty), information of the asset holder (namely, beneficiary), the share of the issued asset, an asset identification and the like; when the digital asset issuer is the transfer-out party, the transfer-out party initiates an application request of the digital asset, wherein the application request comprises issuer information (namely transfer-out party information), asset holder information (namely beneficiary), issued asset share, asset identification and other information, and the server generates a corresponding digital asset according to the information in the received application request. Digital assets refer to non-monetary assets that are owned or controlled by an enterprise or individual, in electronic data form, held in daily activities for sale or in the process of production, such as: ticket, equity, Q coin, game gear, gold, credit, coupon, etc.
Writing the resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information corresponding to the digital asset into the block chain: taking resource information, performance date, transfer-out party information, guarantee party information and benefit party information corresponding to the digital asset as input information, checking the input information when the node where the blockchain is positioned receives the input information, storing the input information into a memory pool after the checking is completed, and updating a hash tree used for recording the input information; then, updating the update time stamp to the time of receiving the input information, trying different random numbers, and calculating the characteristic value for a plurality of times, so that the calculated characteristic value can meet the following formula:
SHA256(SHA256(version+prev_hash+merkle_root+ntime+nbits+x))
＜TARGET
Wherein SHA256 is a eigenvalue algorithm used to calculate eigenvalues; version (version number) is version information of the related block protocol in the block chain; the prev_hash is the block header characteristic value of the parent block of the current block; merkle _root is a characteristic value of input information; ntime is the update time of the update timestamp; the nbits is the current difficulty, is a fixed value in a period of time, and is determined again after exceeding a fixed period of time; x is a random number; TARGET is a eigenvalue threshold that can be determined from nbits.
When the random number meeting the formula is calculated, the information can be correspondingly stored to generate a block head and a block main body, and the current block is obtained. And then, the node where the blockchain is located sends the newly generated blocks to other nodes in the data sharing system where the newly generated blocks are located according to the node identification of other nodes in the data sharing system, the other nodes verify the newly generated blocks, and the newly generated blocks are added into the blockchain stored in the newly generated blocks after the verification is completed. The user can view the source of the digital asset through the client of the terminal, such as the resource information corresponding to the digital asset, the date of performance, the information of the transfer-out party, the information of the guarantee party, the information of the beneficiary and the like.
Step S260, the digital asset is assigned to the beneficiary.
After the terminal generates the digital asset on the server, account information corresponding to the beneficiary is acquired, and the digital asset is distributed to a digital asset account of the provider. The account information corresponding to the beneficiary can be obtained by searching in an information base according to the beneficiary information, or can be sent by a terminal, and the digital asset issuer inputs the information through the terminal. When the digital asset issuer is a voucherer, assigning the digital asset to a beneficiary by the voucherer; when the digital asset issuer is a exporter, the digital asset is assigned to the beneficiary by the exporter. The beneficiary has possession of the digital asset and can process the digital asset, such as transfer, post-split transfer, and so forth.
Step S280, obtain transfer information of the digital asset, transfer the digital asset to the transferee, and write the transferee information to the blockchain.
The transfer information refers to information generated by a beneficiary when transferring the digital asset corresponding to the performance guarantee, and comprises the following steps: a transfer share of the digital asset, transferee information, transferee account information, etc. The transferee refers to a party receiving a digital asset transfer corresponding to a performance guarantee. Transfer information of the digital asset is obtained, the digital asset is transferred from the account of the beneficiary to the account of the transferee, and after transfer, a transfer record can be generated, wherein the transfer record comprises: transfer share of digital asset, transferee information, transferee account information, transferee time information, beneficiary account information, receipt information for digital asset transfer (e.g., transfer success, transfer failure, etc.), etc. Transfer records may also be written to the blockchain, and when there is an objection to the transfer of digital assets, transfer records may be obtained from the blockchain as credentials.
In one scenario, for example: when the supplier B needs to transfer all the shares of the held digital asset to the enterprise C, the enterprise C is the transferee, the supplier B initiates a transfer request to a server through a terminal, the transfer request comprises transfer information, namely identification corresponding to all the shares of the digital asset, enterprise C information, supplier B information and account information of the enterprise C, after receiving the transfer request, the server determines the digital asset to be transferred in the account of the supplier B according to the supplier B information and the identification corresponding to all the shares of the digital asset, transfers the digital asset to be transferred from the account of the supplier B to the account of the enterprise C, writes the transferee information into a blockchain, generates a transfer record and writes the transfer record into the blockchain.
Before transferring the digital asset, the transferee and beneficiary can sign transfer agreement under the online, and the transferee information, transfer record, transfer information and transfer agreement signed under the online of the transferee and beneficiary can be written into the blockchain, and the step of writing into the blockchain is the same as the step of writing into the blockchain, and is not repeated.
In one embodiment, obtaining transfer information for a digital asset, transferring the digital asset to a transferee, and writing the transferee information to a blockchain includes: acquiring transfer information of the digital asset, transferring the digital asset to an intermediate account, and sending a signing notification to a transferee; when receiving an signing request fed back by the transferee according to the signing notification, transferring the digital asset from the intermediate account to the transferee, and writing the transferee information into the blockchain.
Wherein the transfer information includes: a transfer share of the digital asset, transferee information, transferee account information, etc. An intermediate account is an account that is used to effect a transition in the digital asset transfer process and does not belong to any one person/role/institution. The signing notification refers to the information for notifying the transferee of the digital asset to be received, and can be sent to the terminal corresponding to the transferee, or can be sent to the account of the transferee, and after the transferee logs in the account, the signing notification can be seen. The transferee may feed back corresponding requests through the receipt notification, such as receipt request or rejection of receipt request, etc. An endorse request refers to a request that the acquirer agree to receive a digital asset. Rejecting the sign-on request refers to the transferee not agreeing to receive a request for a digital asset. When the server receives the sign-on request, the digital asset is transferred from the intermediate account to the transferee's account and the transferee information is written to the blockchain. When the server receives the refusal to sign in request, the digital asset is transferred from the intermediate account to the beneficiary's account. And when the server does not receive feedback within a preset period, transferring the digital asset from the intermediate account to the account of the beneficiary. After the server transfers the digital asset from the beneficiary's account to the intermediate account, the beneficiary may send a revocation transfer request before not transferring to the transferee's account, and when the server receives the revocation transfer request, the revocation transfer request transfers the digital asset from the intermediate account to the beneficiary's account.
When a beneficiary transfers the digital asset to a transferee, acquiring a transfer request sent by the beneficiary, acquiring transfer information of the digital asset according to the transfer request, transferring the digital asset from an account of the beneficiary to an intermediate account, and sending a signing notification to the transferee; when receiving an signing request fed back by the transferee according to the signing notification, transferring the digital asset from the intermediate account to the transferee, and writing the transferee information into the blockchain. And when receiving a refusal signing request fed back by the transferee according to the signing notification, transferring the digital asset from the intermediate account to the account of the beneficiary. Information in the denial of receipt request fed back by the transferee can also be written into the blockchain. The transfer of digital assets is achieved through the intermediate account, and the security of the transfer can be improved.
The block chain-based performance guarantee processing method comprises the steps of obtaining resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of a performance guarantee; the digital asset is generated based on the performance guarantee function, and the resource information, the performance date, the transfer-out party information, the guarantee party information and the benefit party information corresponding to the digital asset are written into the blockchain, so that the performance guarantee function information can be prevented from being tampered; assigning digital assets to beneficiaries; transfer information for the digital asset is obtained, the digital asset is transferred to the transferee, and the transferee information is written to the blockchain. By converting the performance guaranty into the digital asset, asset splitting can be conveniently performed, information is prevented from being tampered based on the block chain storage information, and the credibility of the transferred performance guaranty is improved.
In one embodiment, obtaining transfer information for a digital asset, transferring the digital asset to a transferee, and writing the transferee information to a blockchain includes: obtaining a splitting instruction, and splitting a digital asset into a plurality of sub-digital assets; wherein the sum of the child digital assets is equal to the digital asset; acquiring transfer information of the transferred sub-digital asset, and transferring the transferred sub-digital asset to a transferee; writing resource information corresponding to the transferred sub-digital asset and transferee information into a blockchain; and writing the resource information corresponding to the undelivered sub-digital assets into the blockchain.
The splitting instruction is an instruction sent by the terminal when the digital asset holder needs to split the digital asset, wherein the digital asset holder can be a beneficiary or a transferee, the splitting instruction comprises splitting information of the digital asset, and according to the splitting information, the number of sub-digital assets which are split the digital asset and the share of the digital asset occupied by each sub-digital asset can be determined. The sub-digital asset is a portion of a digital asset, and after the digital asset is split into a plurality of sub-digital assets, the sum of the plurality of sub-digital assets equals the digital asset. The assignee may have multiple, for example: the digital asset is split into a sub-digital asset q, a sub-digital asset w and a sub-digital asset e, the sub-digital asset q can be transferred to a transferee M, the sub-digital asset w is transferred to a transferee N, the sub-digital asset e is transferred to a transferee L, a plurality of sub-digital assets can be transfered to the same transferee, part of the sub-digital assets can be transferred to the transferee, and the rest of the sub-digital assets are all beneficiaries. The transfer times may be the same or different.
Further, when the server receives the sub-digital asset transfer request, the transfer request includes the identifier of the transferred sub-digital asset, the account information of the transferee and the transferee information, the transferred sub-digital asset is transferred to the transferee according to the identifier of the transferred sub-digital asset in the sub-digital asset transfer request, and the resource information and transferee information corresponding to the transferred sub-digital asset are written as input information into the block chain, or the resource information and transferee information and beneficiary information corresponding to the transferred sub-digital asset are written as input information into the block chain, or the resource information and transferee information, beneficiary information and transferee agreement under the online condition of the transferee are written as input information into the block chain, after the transfer of the sub-digital asset is completed, the resource information and transferee information, transferee information and transferee beneficiary information corresponding to the transferee can be generated, and transferee beneficiary information and transferee beneficiary agreement under the online condition can be written into the block chain as input information not in the same steps as the online condition of the transference link. When the sub-digital asset is not transferred, the resource information corresponding to the non-transferred sub-digital asset is written into the blockchain, and the resource information corresponding to the non-transferred sub-digital asset and the digital asset holder information are written into the blockchain. The step of writing the blockchain is the same as the step of writing the blockchain, and is not repeated.
The method can also split the sub-digital assets, transfer the sub-digital assets, specifically split the sub-digital assets with the splitting step of the digital assets, split the sub-digital assets to be split into a plurality of sub-digital assets as digital assets, wherein a holder of the sub-digital assets to be split is a beneficiary, a terminal of the beneficiary sends a splitting instruction, and when the holder of the sub-digital assets to be split is a transferee, the terminal of the transferee sends the splitting instruction.
In one embodiment, obtaining transfer information for a transferred sub-digital asset, transferring the transferred sub-digital asset to a transferee, includes: acquiring transfer information of the sub-digital assets, transferring the sub-digital assets to an intermediate account, and sending a signing notification to a transferee; when an acquirer receives an acquirer request fed back according to an acquirer notification, the child digital asset is transferred from the intermediate account to the acquirer.
Wherein the transfer information includes: a transfer share of the sub-digital asset, transferee information, transferee account information, etc. When the server receives the sign-on request, the child digital asset is transferred from the intermediate account to the transferee's account and the transferee information is written to the blockchain. When the server receives the refusal to sign in request, the sub-digital asset is transferred from the intermediate account to the beneficiary's account. And when the server does not receive feedback within a preset period, transferring the sub-digital assets from the intermediate account to the account of the beneficiary. After the server transfers the sub-digital asset from the beneficiary's account to the intermediate account, the beneficiary may send a withdrawal transfer request before the transfer to the transferee's account, and when the server receives the withdrawal transfer request, the withdrawal transfer request transfers the sub-digital asset from the intermediate account to the beneficiary's account. Information in the denial of receipt request fed back by the transferee can also be written into the blockchain. The transfer of the sub-digital assets is achieved through the intermediate account, and the security of the transfer can be improved.
In one embodiment, the steps of obtaining transfer information for the digital asset, transferring the digital asset to the transferee, and writing the transferee information to the blockchain further comprise: obtaining transfer information of the digital asset, transferring the digital asset to a transferee, obtaining receipt information for transferring the digital asset to the transferee, generating transfer notification information, sending the transfer notification information to terminals corresponding to the transferee and the beneficiary, and writing the transferee information, the receipt information and the transfer notification information into a block chain. Transfer notification information refers to information that is used to alert the transferee or beneficiary that the transfer of the digital asset has been completed after the transfer of the digital asset to the transferee. Receipt information refers to feedback information from the transferee after the digital asset is transferred to the transferee. When the transferee and beneficiary have objections to the transfer of the digital asset, the blockchain may acquire corresponding receipt information and transfer notification information as evidence of the transfer.
In one embodiment, further comprising: when a redemption request for a digital asset is detected, the digital asset-related information is uploaded to a redemption address for the blockchain.
The redemption request is a request triggered after the performance insurance policy has been performed, and is used for controlling the server to destroy the digital asset corresponding to the performance insurance policy. The redemption request may be a request initiated by the sponsor through the terminal, such as a forward performing in advance; or the server can automatically trigger when detecting that the performance guarantee reaches the performance date. The redemption address is used to destroy the digital asset, and the redemption address may be a black hole address, and after all relevant information of the digital asset is uploaded to the redemption address, all relevant information of the digital asset cannot be forwarded to the network. After the digital asset related information is uploaded to the redemption address of the blockchain, all related information of the digital asset comprises the digital asset, all circulation information of the digital asset, resource information of a performance guarantee corresponding to the digital asset, performance date, transfer-out party information, guarantee party information, benefit party information and the like. By uploading the digital asset related information to the redemption address of the blockchain, the digital asset can be rendered unusable to avoid tampering with the redeemed digital asset.
In one embodiment, a blockchain-based performance policy processing method is specifically illustrated.
The server performs image recognition on the performance guarantee image uploaded by the terminal of the banking financial institution, acquires resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guarantee, generates digital assets based on the performance guarantee, writes the performance date, the transfer-out party information, the guarantee party information and the beneficiary information into a block chain, and distributes the digital assets to beneficiaries. After receiving a splitting instruction sent by a beneficiary through a terminal, a server splits a digital asset into a plurality of sub-digital assets; wherein the sum of the child digital assets is equal to the digital asset.
After the beneficiary signs a digital asset transfer protocol with the transferee on line, the beneficiary can send a transfer request to the server through the terminal, when the server receives the transfer request of the terminal, corresponding transfer information is generated according to the transfer request, the transfer information comprises identifiers of the sub-digital assets, the sub-digital assets are transferred to accounts corresponding to the transferee according to the transfer information, and the transferee information, the transfer information and the transfer protocol signed by the transferee and the beneficiary on line are written into the block chain as input information.
When the performance guarantee reaches the date of performance, the digital asset is transferred to the redemption address.
According to the block chain-based performance guarantee processing method, the performance guarantee is transferred in the form of the digital asset by uploading the performance guarantee to the block chain, so that the performance guarantee is split and redeemed, the transfer of the performance guarantee is more convenient, the resource information, the performance date, the transfer party information, the guarantee party information, the beneficiary information, the transferee information and the transfer protocol signed by the transferee and the beneficiary on line are written into the block chain, the information is prevented from being tampered, and the reliability of the transferred performance guarantee is improved.
FIG. 4 is a flow chart of a method for performing a block chain based performance policy processing in one embodiment. It should be understood that, although the steps in the flowchart of fig. 4 are shown in sequence as indicated by the arrows, the steps are not necessarily performed in sequence as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in fig. 4 may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor do the order in which the sub-steps or stages are performed necessarily performed in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.
As shown in fig. 5, a block chain-based performance guarantee processing device includes: an information acquisition module 310, a digital asset generation module 320, an assignment module 330, and an asset transfer module 340.
The information obtaining module 310 is configured to obtain resource information, performance date, transfer-out information, guarantee side information, and benefit side information of the performance guarantee function.
The digital asset generation module 320 is configured to generate a digital asset based on the performance guarantee, and write the resource information, the performance date, the transfer-out information, the guarantee side information, and the benefit side information corresponding to the digital asset into the blockchain.
An assignment module 330 for assigning digital assets to beneficiaries.
Asset transfer module 340 is configured to obtain transfer information for the digital asset, transfer the digital asset to a transferee, and write the transferee information to a blockchain.
In one embodiment, asset transfer module 340 is further to: acquiring transfer information of the digital asset, transferring the digital asset to an intermediate account, and sending a signing notification to a transferee; when receiving an signing request fed back by the transferee according to the signing notification, transferring the digital asset from the intermediate account to the transferee, and writing the transferee information into the blockchain.
In one embodiment, asset transfer module 340 is further to: obtaining a splitting instruction, and splitting a digital asset into a plurality of sub-digital assets; wherein the sum of the child digital assets is equal to the digital asset; acquiring transfer information of the transferred sub-digital asset, and transferring the transferred sub-digital asset to a transferee; writing resource information corresponding to the transferred sub-digital asset and transferee information into a blockchain; and writing the resource information corresponding to the undelivered sub-digital assets into the blockchain.
In one embodiment, asset transfer module 340 is further to: acquiring transfer information of the sub-digital assets, transferring the sub-digital assets to an intermediate account, and sending a signing notification to a transferee; and when receiving an signing request fed back by the transferee according to the signing notification, transferring the sub-digital assets from the intermediate account to the transferee.
In one embodiment, the information acquisition module 310 is further configured to: performing image recognition on the performance guarantee image uploaded by the terminal to acquire resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guarantee; and acquiring the resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the performance guarantee function uploaded by the terminal.
Referring to fig. 6, in one embodiment, the blockchain-based performance guarantee processing device further includes a query module 350: when a query request carrying digital asset related information sent by a terminal is received, corresponding resource information, a performance date, transfer-out party information, guarantee party information and beneficiary information of the digital asset are read from a blockchain according to the digital asset related information; and sending the corresponding resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the digital asset to the terminal.
In one embodiment, the blockchain-based performance policy processing device further includes an asset destruction module 360: when a redemption request for a digital asset is detected, the digital asset-related information is uploaded to a redemption address for the blockchain.
The block chain-based performance guarantee processing device acquires resource information, performance date, transfer-out party information, guarantee party information and benefit party information of the performance guarantee through the information acquisition module 310; the digital asset generation module 320 generates a digital asset based on the performance guarantee, and writes the resource information, the performance date, the transfer-out party information, the guarantee party information and the benefit party information corresponding to the digital asset into the blockchain, so that the information of the performance guarantee can be prevented from being tampered; the distribution module 330 distributes the digital asset to beneficiaries; asset transfer module 340 obtains transfer information for the digital asset, transfers the digital asset to the transferee, and writes the transferee information to the blockchain. By converting the performance guaranty into the digital asset, asset splitting can be conveniently performed, information is prevented from being tampered based on the block chain storage information, and the credibility of the transferred performance guaranty is improved.
FIG. 7 illustrates an internal block diagram of a computer device in one embodiment. The computer device may be specifically the server 120 of fig. 1. As shown in fig. 7, the computer device includes a processor, a memory, a network interface, an input device, and a display screen connected by a system bus. The memory includes a nonvolatile storage medium and an internal memory. The non-volatile storage medium of the computer device stores an operating system, and may also store a computer program that, when executed by a processor, causes the processor to implement a blockchain-based performance policy processing method. The internal memory may also have stored therein a computer program that, when executed by the processor, causes the processor to perform a blockchain-based performance policy processing method. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like.
It will be appreciated by those skilled in the art that the structure shown in FIG. 7 is merely a block diagram of some of the structures associated with the present inventive arrangements and is not limiting of the computer device to which the present inventive arrangements may be applied, and that a particular computer device may include more or fewer components than shown, or may combine some of the components, or have a different arrangement of components.
In one embodiment, the blockchain-based performance policy processing apparatus provided by the present application may be implemented in the form of a computer program that is executable on a computer device as shown in fig. 7. The memory of the computer device may store various program modules that make up the blockchain-based performance guaranty processing arrangement, such as the information acquisition module 310, the digital asset generation module 320, the assignment module 330, and the asset transfer module 340 shown in fig. 5. The computer program comprising the program modules causes the processor to execute the steps in the blockchain-based performance policy processing method of the embodiments of the application described in this specification.
For example, the computer device shown in fig. 7 may perform acquiring the resource information, the performance date, the transfer-out information, the guarantee side information, and the beneficiary information of the performance guarantee by the information acquisition module 310 in the block chain-based performance guarantee processing apparatus shown in fig. 5. The computer device may execute the generation of the digital asset based on the performance guaranty by the digital asset generation module 320 to write the resource information, the performance date, the roll-out information, the vouchers information, and the beneficiary information corresponding to the digital asset to the blockchain. The computer device may perform the distribution of the digital asset to the beneficiary through the distribution module 330. The computer device may perform obtaining transfer information for the digital asset, transferring the digital asset to the transferee, and writing the transferee information to the blockchain via asset transfer module 340.
In one embodiment, a computer device is provided that includes a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the blockchain-based performance guaranty processing method described above. The steps of the blockchain-based performance policy processing method herein may be the steps of the blockchain-based performance policy processing method of the above embodiments.
In one embodiment, a computer readable storage medium is provided, storing a computer program that, when executed by a processor, causes the processor to perform the steps of the blockchain-based performance guaranty processing method described above. The steps of the blockchain-based performance policy processing method herein may be the steps of the blockchain-based performance policy processing method of the above embodiments.
Those skilled in the art will appreciate that all or part of the processes in the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a non-volatile computer readable storage medium, and where the program, when executed, may include processes in the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link (SYNCHLINK) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application and are described in detail herein without thereby limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.
Claims (16)
1. The block chain-based performance guarantee processing method is characterized by comprising the following steps of:
acquiring resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of a performance guarantee function;
Receiving a digital asset application request initiated by a digital asset issuer, generating a digital asset according to information in the digital asset application request, and writing resource information, a performance date, transfer-out party information, guarantee party information and beneficiary information corresponding to the digital asset into a blockchain; the digital asset issuer is a guarantee party or a transfer party of the performance guarantee;
Assigning the digital asset to a beneficiary;
obtaining a splitting instruction, and splitting the digital asset into a plurality of sub-digital assets; wherein the sum of the sub-digital assets is equal to the digital asset;
acquiring a sub-digital asset transfer request sent by the beneficiary, and extracting resource information and transferee information of the transferred sub-digital asset from the sub-digital asset transfer request;
Transferring the transferred sub-digital asset to a transferee characterized by the transferee information;
and writing the resource information of the transferred sub-digital assets and the transferee information into the blockchain as input information, and writing the resource information of the non-transferred sub-digital assets in the digital assets into the blockchain.
2. The method of claim 1, wherein the assigning the digital asset to a beneficiary comprises:
querying beneficiary account information according to the beneficiary information, and distributing the holding right of the digital asset to the beneficiary account characterized by the beneficiary account information.
3. The method according to claim 1, wherein the method further comprises:
And acquiring receipt information for transferring the digital asset to the transferee, generating transfer notification information, sending the transfer notification information to terminals corresponding to the transferee and the beneficiary, and writing the transferee information, the receipt information and the transfer notification information into the blockchain.
4. The method of claim 1, wherein the transferring the transferred sub-digital asset to the transferee characterized by the transferee information comprises:
transferring the transferred sub-digital assets to an intermediate account and sending a receipt notification to a transferee characterized by the transferee information;
When receiving an signing request fed back by the transferee according to the signing notification, transferring the transferred sub-digital asset from the intermediate account to the transferee, and writing the transferee information into a blockchain.
5. The method of claim 1, wherein the means for obtaining the resource information, the performance date, the transfer-out information, the sponsor information, and the beneficiary information of the performance guarantee comprises any one of the following:
Performing image recognition on the performance guarantee image uploaded by the terminal to acquire resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guarantee;
And acquiring the resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the performance guarantee function uploaded by the terminal.
6. The method according to claim 1, wherein the method further comprises:
when a query request carrying digital asset related information sent by a terminal is received, corresponding resource information, a performance date, transfer-out party information, guarantee party information and beneficiary information of the digital asset are read from a blockchain according to the digital asset related information;
And sending the corresponding resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the digital asset to the terminal.
7. The method according to any one of claims 1-6, further comprising: when a redemption request for a digital asset is detected, the digital asset-related information is uploaded to a redemption address for the blockchain.
8. The utility model provides a block chain based performance guaranty processing apparatus which characterized in that includes:
the information acquisition module is used for acquiring resource information, performance date, transfer-out party information, guarantee party information and benefit party information of the performance guarantee function;
The digital asset generation module is used for receiving a digital asset application request initiated by a digital asset issuer, generating a digital asset according to information in the digital asset application request, and writing resource information, performance date, transfer-out party information, guarantee party information and beneficiary information corresponding to the digital asset into a blockchain; the digital asset issuer is a guarantee party or a transfer party of the performance guarantee;
An allocation module for allocating the digital assets to beneficiaries;
The asset transfer module is used for acquiring a splitting instruction and splitting the digital asset into a plurality of sub-digital assets; wherein the sum of the sub-digital assets is equal to the digital asset; acquiring a sub-digital asset transfer request sent by the beneficiary, and extracting resource information and transferee information of the transferred sub-digital asset from the sub-digital asset transfer request; transferring the transferred sub-digital asset to a transferee characterized by the transferee information; and writing the resource information of the transferred sub-digital assets and the transferee information into the blockchain as input information, and writing the resource information of the non-transferred sub-digital assets in the digital assets into the blockchain.
9. The apparatus of claim 8, wherein the allocation module is specifically configured to:
querying beneficiary account information according to the beneficiary information, and distributing the holding right of the digital asset to the beneficiary account characterized by the beneficiary account information.
10. The apparatus of claim 8, wherein the asset transfer module is further to: and acquiring receipt information for transferring the digital asset to the transferee, generating transfer notification information, sending the transfer notification information to terminals corresponding to the transferee and the beneficiary, and writing the transferee information, the receipt information and the transfer notification information into the blockchain.
11. The apparatus of claim 8, wherein the asset transfer module is specifically configured to:
transferring the transferred sub-digital assets to an intermediate account and sending a receipt notification to a transferee characterized by the transferee information;
When receiving an signing request fed back by the transferee according to the signing notification, transferring the transferred sub-digital asset from the intermediate account to the transferee, and writing the transferee information into a blockchain.
12. The apparatus of claim 8, wherein the information acquisition module is specifically configured to:
performing image recognition on the performance guarantee image uploaded by the terminal to acquire resource information, performance date, transfer-out party information, guarantee party information and beneficiary information of the performance guarantee; or (b)
And acquiring the resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the performance guarantee function uploaded by the terminal.
13. The apparatus of claim 8, further comprising a query module to:
when a query request carrying digital asset related information sent by a terminal is received, corresponding resource information, a performance date, transfer-out party information, guarantee party information and beneficiary information of the digital asset are read from a blockchain according to the digital asset related information;
And sending the corresponding resource information, the performance date, the transfer-out party information, the guarantee party information and the beneficiary information of the digital asset to the terminal.
14. The apparatus according to any one of claims 8-13, further comprising an asset destruction module for:
when a redemption request for a digital asset is detected, the digital asset-related information is uploaded to a redemption address for the blockchain.
15. A computer readable storage medium storing a computer program which, when executed by a processor, causes the processor to perform the steps of the method of any one of claims 1 to 7.
16. A computer device comprising a memory and a processor, the memory storing a computer program that, when executed by the processor, causes the processor to perform the steps of the method of any of claims 1 to 7.
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| CN111275334A (en) * | 2020-01-20 | 2020-06-12 | 山东爱城市网信息技术有限公司 | Asset allocation method, equipment and medium based on block chain |
| WO2020098837A2 (en) * | 2020-02-03 | 2020-05-22 | Alipay (Hangzhou) Information Technology Co., Ltd. | Blockchain-based trustable guarantees |
| CN113450199A (en) * | 2020-03-25 | 2021-09-28 | 上海欧冶金融信息服务股份有限公司 | System and method for quickly generating electronic guarantee letter |
| CN113961905B (en) * | 2021-12-20 | 2022-03-11 | 四川特号商盟科技有限公司 | Storage method of on-line agreement signing data |
| CN117474546A (en) * | 2023-12-28 | 2024-01-30 | 深圳蔓延科技有限公司 | Electronic letter protection anti-counterfeiting method based on block chain and electronic device |
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