CN113095744B - Method for performing pad resource export based on block chain and computer readable storage medium - Google Patents
Method for performing pad resource export based on block chain and computer readable storage medium Download PDFInfo
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Abstract
The invention discloses a method for performing mattress resource export based on a block chain and a computer readable storage medium. The method utilizes the block chain distributed account book technology, solves the problem of data sharing, ensures that all participants can equally participate in accounting, enables the outlet side cross-border logistics node to comprehensively and truly master the transaction condition of the outlet node, and eliminates the joint fraud risk of the outlet node and the inlet node; by utilizing a credit investigation mechanism of a black-and-white list of the blockchain, credit behaviors of the exporter node, the importer node and the exporter cross-border logistics node are recorded on the chain, so that the default risks of the importer node, the exporter node and the exporter cross-border logistics node are effectively reduced; the method solves the problem of forging the bill and improves the bill verification efficiency at the same time by utilizing the asymmetric encryption, the Hash algorithm and the digital signature technology, and the business process can be automatically executed by utilizing the intelligent contract technology, so that the business execution efficiency is improved.
Description
Technical Field
The invention relates to the technical field of logistics finance, in particular to a block chain-based method for performing mattress resource export and a computer-readable storage medium.
Background
The fund is that when the payment period of the buyer is long and the funds of the upstream provider are tension, the buyer can expect to receive the purchase payment in advance, and the buyer can be assisted to pay by the financial loan service. The buyer can pay through the financial loan service, and under the condition of negotiation, the purchasing cost expenditure is reduced, and the good cooperation relationship with the supplier is maintained; suppliers may also withdraw the goods ahead of time, reducing capital turnover pressures. The usual business processes are: the commodity circulation company obtains the goods carrying right according to the purchase and sale contract that the purchasing party and supplier signed, and commodity circulation company fills up the payment of certain proportion instead of purchasing party, obtains the ownership of goods, later the purchasing party pays all the payments of commodity circulation to obtain goods, and commodity circulation company pays the provider after deducting the interest and service charge with the surplus payments after a period of time.
The pad resource export is the application of pad resource in import and export trade, and when importer's payment period is longer, exporter wants to receive goods in advance in order to deal with other business, and then can apply for loan to carry out purchasing pad payment to logistics company, takes goods in advance. The flow is as follows: the method comprises the steps that an export sends goods to a cross-border logistics company and applies for logistics financing, the logistics company checks the export and importer companies after checking and receiving the goods, a certain proportion of goods are paid to the export after checking and checking, ownership of the goods is obtained, then the goods are transported to a storage department outside the logistics company, the storage department informs the importer of goods arrival, the importer pays the goods to the logistics company through an importer bank, the logistics company informs the overseas storage department of delivery, the storage department delivers the goods according to the delivery notification and an importer bill of delivery, and after a period of time, the logistics company pays the rest goods to the export after deducting interest and service fees.
However, the existing pad export method has the following problems:
1. Collusion fraud risk: the exporter colludes with the importer to provide false trade contracts, the exporter colludes with personnel inside the logistics company to provide false goods information, mislead the financing decision of the logistics company and cheat the financing funds.
2. Risk of breach: for the logistics company, the real background of loan enterprise trade and the historical credit condition of importer are lacking, if importer breaks the contract, the rest goods can not be settled, the logistics company needs to auction and change goods or requires exporter to purchase back, and the cross-border logistics company needs to bear variable selling cost and time cost; for the exporter, if the logistics company breaks the contract, the remaining money is not delivered to the exporter on time, and the fund of the exporter is returned at risk.
3. Bill counterfeiting risk: in the traditional fund-filling mode flow, bills such as bill of lading and the like are paper bills, are easy to lose and difficult to store, and the information is easy to tamper.
Disclosure of Invention
The invention provides a method for performing a mattress resource export based on a block chain and a computer readable storage medium, which are used for solving the technical problem that the effective risk supervision cannot be performed in the existing mattress resource export mode.
According to one aspect of the present invention, there is provided a method for performing a mat export based on a blockchain, including the steps of:
step S1: the importer node and the exporter node sign trade contracts on the blockchain;
Step S2: the export cross-border logistics node carries out evaluation and confirmation on credit information and goods information of the export nodes and the import nodes based on the request of the export nodes, and signs a cushion contract with the export nodes on a blockchain;
Step S3: the export cross-border logistics node provides partial goods money for the export node according to the pad contract, and the export node transfers the goods right certificate to the export cross-border logistics node after confirming that the goods money is received;
step S4: carrying out cargo export transportation activities by the export cross-border logistics nodes, and uploading relevant information in the cargo export transportation process to a blockchain after signing by the relevant nodes;
Step S5: carrying out cargo import transportation activities after the cargo is transported to the port by the export cross-border logistics node, and uploading relevant information in the cargo import transportation process to the blockchain after signing by the relevant nodes;
step S6: the importer node pays partial goods and then carries out goods picking up activities;
Step S7: and the importer node pays all the goods and then carries out the goods and money clearing activity.
Further, the step S1 includes the steps of:
Step S11: after the importer node pays good trade details with the exporter node on line, the importer node deploys trade contracts on the blockchain, encrypts summaries of the trade contracts by using own private keys and sends the summaries to the exporter node;
step S21: the exporter node uses the public key of the importer node to verify, and after determining that the trade contract is drawn by the importer node and the content of the trade contract is correct, uses the private key to carry out Hash signature confirmation, and records the Hash signature on the blockchain.
Further, the step S2 includes the steps of:
Step S21: the export business node starts to prepare goods according to trade contracts, applies for renting ships and booking bins to the export cross-border logistics node, deploys a transportation sheet on a blockchain and fills detailed information about goods transportation, and sends out the export cross-border logistics node after Hash signing;
Step S22: after verifying cargo information on the blockchain, the export cross-border logistics node carries out Hash signature confirmation on the transportation bill and uploads the transportation bill to the blockchain;
Step S23: applying for signing a fund contract to the export cross-border logistics node by the export node according to the trade contract, deploying a fund contract application form on the blockchain by the export node, filling in related information, carrying out Hash signature, and sending and giving the export cross-border logistics node to wait for consensus confirmation;
Step S24: after receiving the pad information contract application form of the exporter node, the exporter cross-border logistics node verifies the pad information contract application form by using the public key of the exporter node, and applies for investigation on credit investigation data of the exporter node and the importer node from the third party credit investigation node after confirming that the application form is really from the exporter node;
Step S25: after receiving the application notification of the cross-border logistics node of the outlet party, the third party credit node notifies the Oracle node to apply for investigation of the business data, tax data, product data and social evaluation data of the outlet business node and the inlet business node, and the Oracle node generates an investigation report and uploads the investigation report to the blockchain after Hash signing;
step S26: the third party credit bureau node determines credit bureau data of the export and import merchant nodes according to the investigation report and the transaction histories of the export and import merchant nodes, generates a credit bureau report, carries out Hash signature and then uploads the Hash signature to the blockchain, and the export cross-border logistics node uses the public key of the third party credit bureau node for verification to determine the credit bureau from the third party credit bureau node;
Step S27: the export cross-border logistics node decides whether to sign a fund contract with the export node according to the credit conditions and the cargo information of the export node and the import node, if the export cross-border logistics node refuses, a refusal notification is generated, hash signing is carried out, the refusal notification is recorded on a blockchain, if the consistence sign agrees to sign the fund contract, the fund contract is deployed on the blockchain, hash signing is carried out, and the consistence sign is sent to the export node;
step S28: after receiving the pad contract, the exporter node verifies by using the public key of the exporter cross-border logistics node, determines that the pad contract is drawn by the exporter cross-border logistics node and the content is correct, performs Hash signature verification and then uploads the Hash signature to the blockchain.
Further, the step S3 includes the steps of:
step S31: the export cross-border logistics node informs the bank node of the place where the export is located of providing partial goods money to the export node according to the pad information contract;
Step S32: after receiving the notice, the bank node of the exporter issues the goods to the exporter node, and uploads the capital invoice document after Hash signature to the blockchain for waiting for the consensus confirmation;
step S33: after the exporter node confirms the receipt of the funds, the receipt document is uploaded to the blockchain after Hash signature is carried out, and the exporter node transfers the goods right certificate to the export cross-border logistics node and informs the export cross-border logistics node to start preparing goods for transportation.
Further, the step S4 includes the steps of:
Step S41: after receiving the transport notification and the right-of-goods certificate, the export cross-border logistics node carries out Hash signature confirmation, and issues the signed transport notification bill to the blockchain;
Step S43: the outlet side cross-border logistics node applies for business inspection to the outlet side business inspection bureau node, after receiving the application, the outlet side business inspection bureau node starts to conduct business inspection on goods, after the business inspection is qualified, a business inspection report is issued, and after Hash signature is conducted, the goods are issued to the blockchain network;
Step S44: the outlet party cross-border logistics node applies for an outlet party business bureau node for issuing an enterprise allowable outlet certificate, the outlet party business bureau node receives the application notice, issues the enterprise allowable outlet certificate and issues a Hash signature to the blockchain network;
Step S45: applying for the on-site inspection to the customs node of the outlet party by the cross-border logistics node of the outlet party, carrying out the on-site inspection after receiving the inspection notification by the customs node of the outlet party, determining that the commodity inspection bill accords with the actual goods and accords with the export condition, opening the release notification, carrying out the Hash signature, and then publishing the release notification to the blockchain network;
Step S46: the export cross-border logistics node applies tax refund to the export tax bureau node, and the export tax bureau node checks the export bill to confirm legal and then transacts the export tax refund, issues tax refund evidence and carries out Hash signature and then uploads to the blockchain.
Further, the step S4 further includes the following steps between the step S41 and the step S43:
step S42: the export cross-border logistics node negotiates with the export insurance company node line, after specific insurance matters are determined, the export insurance company node generates a policy and carries out Hash signature, then the policy is sent to the export cross-border logistics node and recorded on the blockchain, and after the export cross-border logistics node verifies the signature and determines that the content of the policy is correct, the policy is confirmed by the Hash signature and then is issued to the blockchain network.
Further, the step S5 includes the steps of:
Step S51: after the export cross-border logistics node transfers the goods to the port, the goods are sent to the importer node, the goods are notified to the block chain, and the importer node confirms the Hash signature after confirming the information;
step S52: the outlet side cross-border logistics node provides a business check application to the inlet side business check office node, the inlet side business check office node receives the business check application, issues a business check qualified certificate after being checked to be qualified, performs hash signature and uploads the certificate to the block chain;
Step S53: the export cross-border logistics node applies for an enterprise permission import certificate to the import side business office node, the import side business office node receives the request, issues the enterprise permission import certificate after verification, signs and uploads the enterprise permission import certificate to the blockchain;
step S54: the outlet side cross-border logistics node applies for a customs clearance to the inlet side tax bureau node, the inlet side tax bureau node receives the request, handles the clearance for the outlet side cross-border logistics node according to the confirmed receipt information and invoice information on the blockchain, deducts the tax to be paid from a bank account of the outlet side cross-border logistics node, issues a paid tax certificate, carries out Hash signature and uploads the tax certificate to the blockchain;
Step S55: applying for in-situ inspection to the customs node of the importer by the cross-border logistics node of the exporter, checking in-situ by the customs node of the importer, confirming that the electronic bill of lading accords with the real object and is paid Guan Shuihou, issuing a release notice, carrying out Hash signature and uploading the notice to a blockchain;
Step S56: after passing, the export cross-border logistics node informs the overseas storage node of the export cross-border logistics node to place the goods into the warehouse.
Further, the step S6 includes the steps of:
Step S61: the importer node delivers the money to the banking node of the place where the importer is located according to the purchase contract and applies for picking up the money;
Step S62: the bank node at the place where the importer is located receives the payment, issues an invoice, carries out Hash signature, uploads the invoice to the blockchain, and transfers the payment to the bank node at the place where the importer is located;
Step S63: the bank at the place of the exporter receives the goods and issues an invoice, carries out Hash signature and uploads the invoice to the blockchain, and notifies the exporter of the goods and accounts by crossing the logistics nodes;
Step S64: after confirming that the payment is paid, the export cross-border logistics node informs an overseas storage node of the export cross-border logistics node of the payment, carries out Hash signature on the delivery notice and the bill of lading, uploads the bill of lading to a blockchain, and sends the electronic bill of lading to an importer node;
Step S65: the overseas storage node delivers the electronic bill of lading provided by the importer node to the importer node according to the delivery notice of the exporter cross-border logistics node.
Further, the step S7 includes the steps of:
Step S71: the importer node pays off all the goods and notifies the Oracle node to issue the transfer record to the blockchain after Hash signing;
Step S72: after receiving all the goods, the bank node at the place where the exporter is located informs the cross-border logistics node of the exporter, and the cross-border logistics node of the exporter informs the bank node at the place where the exporter is located of the remaining goods to the node of the exporter after deducting interest and commission according to the pad information contract, and invoices are sent out to carry out Hash signature and then uploaded to a blockchain;
Step S73: after the export node receives the remaining goods, the export node notifies the Oracle node to show the received goods statement, and the Oracle node issues the statement to the blockchain after carrying out Hash signature on the statement.
The present invention also provides a computer readable storage medium storing a computer program for performing a blockchain-based shimming export method as described above when run on a computer.
The invention has the following beneficial effects:
According to the method for carrying out the pad resource export based on the blockchain, disclosed by the invention, the blockchain distributed account book, the asymmetric encryption, the Hash algorithm, the digital signature, the intelligent contract technology and the black-and-white list mechanism are comprehensively utilized, the logistics financing scene of the pad resource export based on the blockchain is created, the logistics financing efficiency can be greatly improved, the resource waste is reduced, the behavior of forging a bill is avoided, and the credit investigation, financing, supervision and control risks are reduced. The problem of data sharing is solved by using the blockchain distributed account book technology, all the participants are guaranteed to participate in accounting equally, a complete distributed database is maintained together, so that the cross-border logistics nodes of the exporter can master the transaction condition of the exporter node comprehensively and truly, and the joint fraud risk of the exporter node and the importer node is eliminated; in addition, credit behaviors of the exporter node, the importer node and the exporter cross-border logistics node are recorded on the chain by utilizing a credit mechanism of the blockchain black-and-white list, so that the default risks of the importer node, the exporter node and the exporter cross-border logistics node are effectively reduced; the method also utilizes asymmetric encryption, a Hash algorithm and a digital signature technology, solves the problem of forging the bill, improves the bill verification efficiency, utilizes an intelligent contract technology, enables the business process to be automatically executed, reduces manpower expenditure and resource waste, and improves the business execution efficiency.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a block chain network deployment diagram of a method for performing a mat export based on block chains in accordance with a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a service network of a method for performing a mat export based on a blockchain in accordance with a preferred embodiment of the present invention.
FIG. 3 is a flow chart of a method for performing a mat export based on blockchain in accordance with a preferred embodiment of the present invention.
Fig. 4 is a schematic flow chart of step S1 in fig. 3 according to a preferred embodiment of the present invention.
Fig. 5 is a schematic flow chart of step S2 in fig. 3 according to a preferred embodiment of the present invention.
Fig. 6 is a schematic flow chart of step S3 in fig. 3 according to a preferred embodiment of the present invention.
Fig. 7 is a schematic flow chart of step S4 in fig. 3 according to a preferred embodiment of the present invention.
Fig. 8 is a schematic flow chart of step S5 in fig. 3 according to a preferred embodiment of the present invention.
Fig. 9 is a schematic sub-flow chart of step S6 in fig. 3 according to a preferred embodiment of the present invention.
Fig. 10 is a schematic flow chart of step S7 in fig. 3 according to a preferred embodiment of the present invention.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.
For ease of understanding, as shown in fig. 1 and 2, the following explains the multiparty nodes involved in the blockchain network in the blockchain-based method of performing the shimming export.
1. Oracle node (prophetic machine): the platform for providing external information can allow the blockchain to be connected to any existing API, and can import, store and export information about network nodes on the blockchain, so that dynamic acquisition of the information is realized.
2. Exporter node: also referred to as suppliers or shippers, generally refer to foreign companies, manufacturing companies, etc. that have authority to transact export services.
3. Exporter business inspection bureau node: the detecting mechanism indicates that the importer is responsible for checking whether the commodity meets the export requirement.
4. Export bureau node: the government is a working department for governing market supervision and administrative law enforcement, and is mainly responsible for checking whether an export enterprise has export rights and is in an operation state in the import-export trade business.
5. Exporter insurance company node: cross-border logistics companies are companies that provide insurance services for cargo transportation and the like.
6. Export customs node: the customs of the consignment party is responsible for auditing the mechanisms for verifying the delivery of the goods and collecting tariffs and other tax fees.
7. Export-side cross-border logistics node: the system has the basic functions of carrying out cross-border transportation (including transportation agency and goods express) and warehousing business, organizing and managing the basic functions of transportation, storage, loading and unloading, packaging, circulation processing, distribution and the like according to the logistics requirements of clients, has an information management system which is adaptive to the business of the system, implements independent accounting, independently bears the economic organization of civil responsibility, and has the capability of providing financing for exporters.
8. The exporter tax bureau node: the government agency governing tax work refers to the department in the business that the exporter is responsible for handling export tax returns.
9. The bank node where the exporter is located: and transferring financing funds to the importer according to the requirements of the logistics company by using an internal bank account of the cross-border logistics company, and receiving the money transferred by the importer through an overseas bank.
10. Importer node: refers to an enterprise or business engaged in import commerce. They purchase goods from abroad and sell to industrial and mining enterprises, wholesalers and retailers in the country; or processed or stored slightly and transferred to other countries or regions.
11. Importer business inspection bureau node: the finger importer is responsible for checking whether the commodity meets the detection mechanism of import requirements.
12. Ingress square business office node: refers to the work department of government governing market supervision and administrative law enforcement, and is mainly responsible for checking whether import enterprises have import rights and are in an operating state in import-export trade business.
13. Importer customs node: the customs of the importer is responsible for auditing and checking the mechanism of issuing passes for goods.
14. Overseas storage nodes: the off-premises warehouse department of the cross-border logistics company sends the goods to the importer according to the delivery notice of the cross-border logistics company and the bill of lading of the importer.
15. Importer tax bureau node: the government agency governing tax work refers to the department in the business that the importer is responsible for handling import tax payment.
16. Importer's local banking node: the bank of the importer is referred to as the importer, and the payment is transferred to the bank of the exporter for importer.
17. Third party credit bureau node: and the agency system is used for collecting enterprise and personal information and providing enterprise and personal information inquiry, rating and inquiry services for enterprise and personal information users and independently operating agency persons according to the approval of related laws and regulations.
As shown in fig. 3, a preferred embodiment of the present invention provides a method for performing a mat export based on a blockchain, comprising the steps of:
step S1: the importer node and the exporter node sign trade contracts on the blockchain;
Step S2: the export cross-border logistics node carries out evaluation and confirmation on credit information and goods information of the export nodes and the import nodes based on the request of the export nodes, and signs a cushion contract with the export nodes on a blockchain;
Step S3: the export cross-border logistics node provides partial goods money for the export node according to the pad contract, and the export node transfers the goods right certificate to the export cross-border logistics node after confirming that the goods money is received;
step S4: carrying out cargo export transportation activities by the export cross-border logistics nodes, and uploading relevant information in the cargo export transportation process to a blockchain after signing by the relevant nodes;
Step S5: carrying out cargo import transportation activities after the cargo is transported to the port by the export cross-border logistics node, and uploading relevant information in the cargo import transportation process to the blockchain after signing by the relevant nodes;
step S6: the importer node pays partial goods and then carries out goods picking up activities;
Step S7: and the importer node pays all the goods and then carries out the goods and money clearing activity.
In this embodiment, the method for performing the cushioned funds export based on the blockchain comprehensively utilizes the blockchain distributed ledger, the asymmetric encryption, the Hash algorithm, the digital signature, the intelligent contract technology and the black-and-white list mechanism, creates the logistics financing scene of the cushioned funds export based on the blockchain, can greatly improve the logistics financing efficiency, reduce the resource waste, stop the behavior of forging documents, and reduce credit investigation, financing, supervision and control risks. The problem of data sharing is solved by using the blockchain distributed account book technology, all the participants are guaranteed to participate in accounting equally, a complete distributed database is maintained together, so that the cross-border logistics nodes of the exporter can master the transaction condition of the exporter node comprehensively and truly, and the joint fraud risk of the exporter node and the importer node is eliminated; in addition, credit behaviors of the exporter node, the importer node and the exporter cross-border logistics node are recorded on the chain by utilizing a credit mechanism of the blockchain black-and-white list, so that the default risks of the importer node, the exporter node and the exporter cross-border logistics node are effectively reduced; the method also utilizes asymmetric encryption, a Hash algorithm and a digital signature technology, solves the problem of forging the bill, improves the bill verification efficiency, utilizes an intelligent contract technology, enables the business process to be automatically executed, reduces manpower expenditure and resource waste, and improves the business execution efficiency.
It will be appreciated that, as shown in fig. 4, the step S1 includes the steps of:
Step S11: after the importer node pays good trade details with the exporter node on line, the importer node deploys trade contracts on the blockchain, encrypts summaries of the trade contracts by using own private keys and sends the summaries to the exporter node;
step S21: the exporter node uses the public key of the importer node to verify, and after determining that the trade contract is drawn by the importer node and the content of the trade contract is correct, uses the private key to carry out Hash signature confirmation, and records the Hash signature on the blockchain.
In the step S1, signing of the trade contract is performed on the blockchain, malicious tampering of the contract can be prevented, the information is disclosed and transparent, the authenticity of the trade can be effectively monitored by other nodes, and the situation that the exporter node fictitiously trades is prevented.
It will be appreciated that, as shown in fig. 5, the step S2 includes the steps of:
Step S21: the export business node starts to prepare goods according to trade contracts, applies for renting ships and booking bins to the export cross-border logistics node, deploys a transportation sheet on a blockchain and fills detailed information about goods transportation, and sends out the export cross-border logistics node after Hash signing;
Step S22: after verifying cargo information on the blockchain, the export cross-border logistics node carries out Hash signature confirmation on the transportation bill and uploads the transportation bill to the blockchain;
Step S23: applying for signing a fund contract to the export cross-border logistics node by the export node according to the trade contract, deploying a fund contract application form on the blockchain by the export node, filling in related information, carrying out Hash signature, and sending and giving the export cross-border logistics node to wait for consensus confirmation;
Step S24: after receiving the pad information contract application form of the exporter node, the exporter cross-border logistics node verifies the pad information contract application form by using the public key of the exporter node, and applies for investigation on credit investigation data of the exporter node and the importer node from the third party credit investigation node after confirming that the application form is really from the exporter node;
Step S25: after receiving the application notification of the cross-border logistics node of the outlet party, the third party credit node notifies the Oracle node to apply for investigation of the business data, tax data, product data and social evaluation data of the outlet business node and the inlet business node, and the Oracle node generates an investigation report and uploads the investigation report to the blockchain after Hash signing;
step S26: the third party credit bureau node determines credit bureau data of the export and import merchant nodes according to the investigation report and the transaction histories of the export and import merchant nodes, generates a credit bureau report, carries out Hash signature and then uploads the Hash signature to the blockchain, and the export cross-border logistics node uses the public key of the third party credit bureau node for verification to determine the credit bureau from the third party credit bureau node;
Step S27: the export cross-border logistics node decides whether to sign a fund contract with the export node according to the credit conditions and the cargo information of the export node and the import node, if the export cross-border logistics node refuses, a refusal notification is generated, hash signing is carried out, the refusal notification is recorded on a blockchain, if the consistence sign agrees to sign the fund contract, the fund contract is deployed on the blockchain, hash signing is carried out, and the consistence sign is sent to the export node;
step S28: after receiving the pad contract, the exporter node verifies by using the public key of the exporter cross-border logistics node, determines that the pad contract is drawn by the exporter cross-border logistics node and the content is correct, performs Hash signature verification and then uploads the Hash signature to the blockchain.
In the step S2, the signing process of the pad contract is automatically performed on the blockchain by using the intelligent contract technology, so that the processing efficiency is greatly improved, the related data information is all electronic, malicious tampering can be effectively prevented, all data are disclosed and transparent on the chain, the supervision of other nodes is facilitated, moreover, the cross-border logistics node of the exporter accurately evaluates the credit investigation conditions of the exporter node and the importer node through the Oracle node, thereby being beneficial to making accurate decisions and reducing the financing risk.
It will be appreciated that, as shown in fig. 6, the step S3 includes the steps of:
step S31: the export cross-border logistics node informs the bank node of the place where the export is located of providing partial goods money to the export node according to the pad information contract;
Step S32: after receiving the notice, the bank node of the exporter issues the goods to the exporter node, and uploads the capital invoice document after Hash signature to the blockchain for waiting for the consensus confirmation;
step S33: after the exporter node confirms the receipt of the funds, the receipt document is uploaded to the blockchain after Hash signature is carried out, and the exporter node transfers the goods right certificate to the export cross-border logistics node and informs the export cross-border logistics node to start preparing goods for transportation.
In the step S6, the process of pre-paying money from the export cross-border logistics node to the exporter node is recorded on the blockchain, so that the nodes of each party can effectively monitor, and the risk of collusion and fraud between the exporter node and personnel in the export cross-border logistics node is prevented.
It will be appreciated that, as shown in fig. 7, the step S4 includes the steps of:
Step S41: after receiving the transport notification and the right-of-goods certificate, the export cross-border logistics node carries out Hash signature confirmation, and issues the signed transport notification bill to the blockchain;
Step S43: the outlet side cross-border logistics node applies for business inspection to the outlet side business inspection bureau node, after receiving the application, the outlet side business inspection bureau node starts to conduct business inspection on goods, after the business inspection is qualified, a business inspection report is issued, and after Hash signature is conducted, the goods are issued to the blockchain network;
Step S44: the outlet party cross-border logistics node applies for an outlet party business bureau node for issuing an enterprise allowable outlet certificate, the outlet party business bureau node receives the application notice, issues the enterprise allowable outlet certificate and issues a Hash signature to the blockchain network;
Step S45: applying for the on-site inspection to the customs node of the outlet party by the cross-border logistics node of the outlet party, carrying out the on-site inspection after receiving the inspection notification by the customs node of the outlet party, determining that the commodity inspection bill accords with the actual goods and accords with the export condition, opening the release notification, carrying out the Hash signature, and then publishing the release notification to the blockchain network;
Step S46: the export cross-border logistics node applies tax refund to the export tax bureau node, and the export tax bureau node checks the export bill to confirm legal and then transacts the export tax refund, issues tax refund evidence and carries out Hash signature and then uploads to the blockchain.
It will be appreciated that, as a preferred option, the step S4 further includes the following steps between the step S41 and the step S43:
step S42: the export cross-border logistics node negotiates with the export insurance company node line, after specific insurance matters are determined, the export insurance company node generates a policy and carries out Hash signature, then the policy is sent to the export cross-border logistics node and recorded on the blockchain, and after the export cross-border logistics node verifies the signature and determines that the content of the policy is correct, the policy is confirmed by the Hash signature and then is issued to the blockchain network.
In the step S4, the information in the circulation process of the goods outlet is signed by the relevant nodes and then uploaded to the blockchain, and the whole goods outlet process is transparent and open on the blockchain, so that the nodes of each party can effectively monitor the circulation process of the goods, and illegal camping of the nodes of the exporter is prevented.
It will be appreciated that, as shown in fig. 8, the step S5 includes the steps of:
Step S51: after the export cross-border logistics node transfers the goods to the port, the goods are sent to the importer node, the goods are notified to the block chain, and the importer node confirms the Hash signature after confirming the information;
step S52: the outlet side cross-border logistics node provides a business check application to the inlet side business check office node, the inlet side business check office node receives the business check application, issues a business check qualified certificate after being checked to be qualified, performs hash signature and uploads the certificate to the block chain;
Step S53: the export cross-border logistics node applies for an enterprise permission import certificate to the import side business office node, the import side business office node receives the request, issues the enterprise permission import certificate after verification, signs and uploads the enterprise permission import certificate to the blockchain;
step S54: the outlet side cross-border logistics node applies for a customs clearance to the inlet side tax bureau node, the inlet side tax bureau node receives the request, handles the clearance for the outlet side cross-border logistics node according to the confirmed receipt information and invoice information on the blockchain, deducts the tax to be paid from a bank account of the outlet side cross-border logistics node, issues a paid tax certificate, carries out Hash signature and uploads the tax certificate to the blockchain;
Step S55: applying for in-situ inspection to the customs node of the importer by the cross-border logistics node of the exporter, checking in-situ by the customs node of the importer, confirming that the electronic bill of lading accords with the real object and is paid Guan Shuihou, issuing a release notice, carrying out Hash signature and uploading the notice to a blockchain;
Step S56: after passing, the export cross-border logistics node informs the overseas storage node of the export cross-border logistics node to place the goods into the warehouse.
In the step S5, the information in the goods import circulation process is all signed by the relevant nodes and then uploaded to the blockchain, and the whole goods import process is transparent and open on the blockchain, so that the circulation process of the goods can be effectively monitored by the nodes of each party, and the situation that the goods carried by the nodes of importer is abscond out of confidence and default is prevented.
It will be appreciated that, as shown in fig. 9, the step S6 includes the steps of:
Step S61: the importer node delivers the money to the banking node of the place where the importer is located according to the purchase contract and applies for picking up the money;
Step S62: the bank node at the place where the importer is located receives the payment, issues an invoice, carries out Hash signature, uploads the invoice to the blockchain, and transfers the payment to the bank node at the place where the importer is located;
Step S63: the bank at the place of the exporter receives the goods and issues an invoice, carries out Hash signature and uploads the invoice to the blockchain, and notifies the exporter of the goods and accounts by crossing the logistics nodes;
Step S64: after confirming that the payment is paid, the export cross-border logistics node informs an overseas storage node of the export cross-border logistics node of the payment, carries out Hash signature on the delivery notice and the bill of lading, uploads the bill of lading to a blockchain, and sends the electronic bill of lading to an importer node;
Step S65: the overseas storage node delivers the electronic bill of lading provided by the importer node to the importer node according to the delivery notice of the exporter cross-border logistics node.
In the step S6, the relevant information in the cargo extraction process is all signed by the relevant nodes and then uploaded to the blockchain, the information is public and transparent, the nodes of each party can effectively monitor and control, the authenticity of the cargoes is ensured, in addition, the overseas storage nodes can carry out the cargoes only by simultaneously carrying out the delivery based on the delivery notification of the export cross-border logistics node and the electronic bill of lading of the importer node, and the condition that the importer node does not pay for the cargoes is prevented.
It will be appreciated that as shown in fig. 10, the step S7 includes the steps of:
Step S71: the importer node pays off all the goods and notifies the Oracle node to issue the transfer record to the blockchain after Hash signing;
Step S72: after receiving all the goods, the bank node at the place where the exporter is located informs the cross-border logistics node of the exporter, and the cross-border logistics node of the exporter informs the bank node at the place where the exporter is located of the remaining goods to the node of the exporter after deducting interest and commission according to the pad information contract, and invoices are sent out to carry out Hash signature and then uploaded to a blockchain;
Step S73: after the export node receives the remaining goods, the export node notifies the Oracle node to show the received goods statement, and the Oracle node issues the statement to the blockchain after carrying out Hash signature on the statement.
In step S7, the payment clearing process is recorded on the blockchain, and the exporter node can monitor the return situation in real time, so that the situation that the exporter refuses to pay or delays paying to the exporter node after receiving the payment through the border logistics node is prevented, and the fund return risk of the exporter node is reduced.
It will be appreciated that the second embodiment of the present invention also provides a computer readable storage medium storing a computer program for blockchain-based shimming, which when run on a computer performs the blockchain-based shimming method as described above.
Forms of general computer-readable media include: a floppy disk (floppy disk), a flexible disk (flexible disk), hard disk, magnetic tape, any other magnetic medium, a CD-ROM, any other optical medium, punch cards, paper tape (PAPER TAPE), any other physical medium with patterns of holes, random Access Memory (RAM), programmable read-only memory (PROM), erasable programmable read-only memory (EPROM), FLASH erasable programmable read-only memory (FLASH-EPROM), any other memory chip or cartridge, or any other medium from which a computer can read. The instructions may further be transmitted or received over a transmission medium. The term transmission medium may include any tangible or intangible medium that may be used to store, encode, or carry instructions for execution by a machine, and includes digital or analog communications signals or their communications with intangible medium that facilitate communication of such instructions. Transmission media includes coaxial cables, copper wire and fiber optics, including the wires that comprise a bus for transmitting computer data signals.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. A method for performing a pad resource export based on a blockchain is characterized in that,
The method comprises the following steps:
step S1: the importer node and the exporter node sign trade contracts on the blockchain;
Step S2: the export cross-border logistics node carries out evaluation and confirmation on credit information and goods information of the export nodes and the import nodes based on the request of the export nodes, and signs a cushion contract with the export nodes on a blockchain;
Step S3: the export cross-border logistics node provides partial goods money for the export node according to the pad contract, and the export node transfers the goods right certificate to the export cross-border logistics node after confirming that the goods money is received;
step S4: carrying out cargo export transportation activities by the export cross-border logistics nodes, and uploading relevant information in the cargo export transportation process to a blockchain after signing by the relevant nodes;
Step S5: carrying out cargo import transportation activities after the cargo is transported to the port by the export cross-border logistics node, and uploading relevant information in the cargo import transportation process to the blockchain after signing by the relevant nodes;
step S6: the importer node pays partial goods and then carries out goods picking up activities;
step S7: the importer node pays all the money and then carries out money clearing activities;
The step S1 includes the steps of:
Step S11: after the importer node pays good trade details with the exporter node on line, the importer node deploys trade contracts on the blockchain, encrypts summaries of the trade contracts by using own private keys and sends the summaries to the exporter node;
Step S22: the exporter node verifies by using the public key of the importer node, determines that the trade contract is drawn by the importer node and the content of the trade contract is correct, and then uses the private key to carry out Hash signature confirmation and records the Hash signature on the blockchain;
The step S2 includes the steps of:
Step S21: the export business node starts to prepare goods according to trade contracts, applies for renting ships and booking bins to the export cross-border logistics node, deploys a transportation sheet on a blockchain and fills detailed information about goods transportation, and sends out the export cross-border logistics node after Hash signing;
Step S22: after verifying cargo information on the blockchain, the export cross-border logistics node carries out Hash signature confirmation on the transportation bill and uploads the transportation bill to the blockchain;
Step S23: applying for signing a fund contract to the export cross-border logistics node by the export node according to the trade contract, deploying a fund contract application form on the blockchain by the export node, filling in related information, carrying out Hash signature, and sending and giving the export cross-border logistics node to wait for consensus confirmation;
Step S24: after receiving the pad information contract application form of the exporter node, the exporter cross-border logistics node verifies the pad information contract application form by using the public key of the exporter node, and applies for investigation on credit investigation data of the exporter node and the importer node from the third party credit investigation node after confirming that the application form is really from the exporter node;
Step S25: after receiving the application notification of the cross-border logistics node of the outlet party, the third party credit node notifies the Oracle node to apply for investigation of the business data, tax data, product data and social evaluation data of the outlet business node and the inlet business node, and the Oracle node generates an investigation report and uploads the investigation report to the blockchain after Hash signing;
step S26: the third party credit bureau node determines credit bureau data of the export and import merchant nodes according to the investigation report and the transaction histories of the export and import merchant nodes, generates a credit bureau report, carries out Hash signature and then uploads the Hash signature to the blockchain, and the export cross-border logistics node uses the public key of the third party credit bureau node for verification to determine the credit bureau from the third party credit bureau node;
Step S27: the export cross-border logistics node decides whether to sign a fund contract with the export node according to the credit conditions and the cargo information of the export node and the import node, if the export cross-border logistics node refuses, a refusal notification is generated, hash signing is carried out, the refusal notification is recorded on a blockchain, if the consistence sign agrees to sign the fund contract, the fund contract is deployed on the blockchain, hash signing is carried out, and the consistence sign is sent to the export node;
step S28: after receiving the pad contract, the exporter node verifies by using the public key of the exporter cross-border logistics node, determines that the pad contract is drawn by the exporter cross-border logistics node and the content is correct, performs Hash signature verification and then uploads the Hash signature to the blockchain;
the step S3 includes the steps of:
step S31: the export cross-border logistics node informs the bank node of the place where the export is located of providing partial goods money to the export node according to the pad information contract;
Step S32: after receiving the notice, the bank node of the exporter issues the goods to the exporter node, and uploads the capital invoice document after Hash signature to the blockchain for waiting for the consensus confirmation;
step S33: after confirming the receipt of funds, the exporter node carries out Hash signature on the receipt document and uploads the receipt document to the blockchain, and the exporter node transfers the right-of-goods certificate to the export cross-border logistics node and notifies the export cross-border logistics node to start preparing goods transportation;
The step S4 includes the steps of:
Step S41: after receiving the transport notification and the right-of-goods certificate, the export cross-border logistics node carries out Hash signature confirmation, and issues the signed transport notification bill to the blockchain;
Step S42: the export cross-border logistics node negotiates with the export insurance company node line, after specific insurance matters are determined, the export insurance company node generates a policy and carries out Hash signature, then the policy is sent to the export cross-border logistics node and recorded on a blockchain, and after the export cross-border logistics node verifies the signature and determines that the content of the policy is correct, the policy is confirmed by the Hash signature and then is issued to the blockchain network;
Step S43: the outlet side cross-border logistics node applies for business inspection to the outlet side business inspection bureau node, after receiving the application, the outlet side business inspection bureau node starts to conduct business inspection on goods, after the business inspection is qualified, a business inspection report is issued, and after Hash signature is conducted, the goods are issued to the blockchain network;
Step S44: the outlet party cross-border logistics node applies for an outlet party business bureau node for issuing an enterprise allowable outlet certificate, the outlet party business bureau node receives the application notice, issues the enterprise allowable outlet certificate and issues a Hash signature to the blockchain network;
Step S45: applying for the on-site inspection to the customs node of the outlet party by the cross-border logistics node of the outlet party, carrying out the on-site inspection after receiving the inspection notification by the customs node of the outlet party, determining that the commodity inspection bill accords with the actual goods and accords with the export condition, opening the release notification, carrying out the Hash signature, and then publishing the release notification to the blockchain network;
Step S46: the export cross-border logistics node applies tax refund to the export tax bureau node, and the export tax bureau node checks the export bill to confirm the legal and then transacts the export tax refund, issues tax refund evidence and carries out Hash signature and then uploads to the blockchain;
The step S5 includes the steps of:
Step S51: after the export cross-border logistics node transfers the goods to the port, the goods are sent to the importer node, the goods are notified to the block chain, and the importer node confirms the Hash signature after confirming the information;
step S52: the outlet side cross-border logistics node provides a business check application to the inlet side business check office node, the inlet side business check office node receives the business check application, issues a business check qualified certificate after being checked to be qualified, performs hash signature and uploads the certificate to the block chain;
Step S53: the export cross-border logistics node applies for an enterprise permission import certificate to the import side business office node, the import side business office node receives the request, issues the enterprise permission import certificate after verification, signs and uploads the enterprise permission import certificate to the blockchain;
step S54: the outlet side cross-border logistics node applies for a customs clearance to the inlet side tax bureau node, the inlet side tax bureau node receives the request, handles the clearance for the outlet side cross-border logistics node according to the confirmed receipt information and invoice information on the blockchain, deducts the tax to be paid from a bank account of the outlet side cross-border logistics node, issues a paid tax certificate, carries out Hash signature and uploads the tax certificate to the blockchain;
Step S55: applying for in-situ inspection to the customs node of the importer by the cross-border logistics node of the exporter, checking in-situ by the customs node of the importer, confirming that the electronic bill of lading accords with the real object and is paid Guan Shuihou, issuing a release notice, carrying out Hash signature and uploading the notice to a blockchain;
Step S56: after the release is successful, the export cross-border logistics node informs the overseas storage node of the export cross-border logistics node to place the goods into a warehouse;
the step S6 includes the steps of:
Step S61: the importer node delivers the money to the banking node of the place where the importer is located according to the purchase contract and applies for picking up the money;
Step S62: the bank node at the place where the importer is located receives the payment, issues an invoice, carries out Hash signature, uploads the invoice to the blockchain, and transfers the payment to the bank node at the place where the importer is located;
Step S63: the bank at the place of the exporter receives the goods and issues an invoice, carries out Hash signature and uploads the invoice to the blockchain, and notifies the exporter of the goods and accounts by crossing the logistics nodes;
Step S64: after confirming that the payment is paid, the export cross-border logistics node informs an overseas storage node of the export cross-border logistics node of the payment, carries out Hash signature on the delivery notice and the bill of lading, uploads the bill of lading to a blockchain, and sends the electronic bill of lading to an importer node;
Step S65: the overseas storage node delivers the electronic bill of lading provided by the importer node to the importer node according to the delivery notice of the exporter cross-border logistics node;
the step S7 includes the steps of:
Step S71: the importer node pays off all the goods and notifies the Oracle node to issue the transfer record to the blockchain after Hash signing;
Step S72: after receiving all the goods, the bank node at the place where the exporter is located informs the cross-border logistics node of the exporter, and the cross-border logistics node of the exporter informs the bank node at the place where the exporter is located of the remaining goods to the node of the exporter after deducting interest and commission according to the pad information contract, and invoices are sent out to carry out Hash signature and then uploaded to a blockchain;
Step S73: after the export node receives the remaining goods, the export node notifies the Oracle node to show the received goods statement, and the Oracle node issues the statement to the blockchain after carrying out Hash signature on the statement.
2. A computer readable storage medium storing a computer program for performing a blockchain-based shimming export, the computer program when run on a computer performing the blockchain-based shimming export method of claim 1.
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