CN113095744A - Method for performing padding export based on block chain and computer readable storage medium - Google Patents

Method for performing padding export based on block chain and computer readable storage medium Download PDF

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CN113095744A
CN113095744A CN202010012509.3A CN202010012509A CN113095744A CN 113095744 A CN113095744 A CN 113095744A CN 202010012509 A CN202010012509 A CN 202010012509A CN 113095744 A CN113095744 A CN 113095744A
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马超群
余良伟
周中定
李信儒
兰秋军
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Abstract

The invention discloses a method for carrying out bedding 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 participate in accounting equally, enables the cross-border logistics nodes of exports to comprehensively and truly master the transaction condition of exporter nodes, and eliminates the joint fraud risk of the exporter nodes and importer nodes; the credit investigation mechanism of black and white lists of the block chain is utilized to record the credit behaviors of the exporter node, the importer node, the exporter node and the cross-border logistics node of the exporter on the chain, so that the default risks of the importer node, the exporter node and the cross-border logistics node of the exporter are effectively reduced; the method solves the problem of document forgery and improves the efficiency of document verification by using asymmetric encryption, a Hash algorithm and a digital signature technology, and the method ensures that the business process can be automatically executed and improves the efficiency of business execution by using an intelligent contract technology.

Description

Method for performing padding export based on block chain and computer readable storage medium
Technical Field
The invention relates to the technical field of logistics finance, in particular to a method for carrying out bedding export based on a block chain and a computer-readable storage medium.
Background
The capital investment refers to that when the payment account of the buyer is long, the capital of the upstream supplier is short, and the buyer hopes to receive the purchasing money in advance, the financial loan service can be used for helping the buyer to fund. The buyer can pay through the financial loan service and use the payment as a negotiation condition, the purchasing cost expenditure is reduced, and a good cooperation relationship with the supplier is kept; the supplier can also receive the goods in advance, thereby reducing the capital turnover pressure. The general business process is: the logistics company obtains the goods right of delivery according to the purchase and sale contract signed by the buyer and the supplier, pays a certain proportion of goods money on behalf of the buyer to obtain the goods right of ownership, then the buyer pays all the goods money to the logistics to obtain the goods, and the logistics company pays the rest goods money to the supplier after deducting interest and service fee after a period of time.
The payment of the pad is applied to import and export trade, when the payment period of an importer is long and an exporter wants to receive the payment of the goods in advance to deal with other businesses, the importer can apply for loan to purchase and pay for the goods in advance. The process is as follows: the exporter sends the goods to the cross-border logistics company and applies for logistics financing, the logistics company checks the goods and then checks the exporter and the importer, the exporter pays a certain proportion of money after the checking is passed, the ownership of the goods is obtained, then the goods are transported to a storage department overseas the logistics company, the storage department informs the importer of the arrival of the goods, the importer pays the money 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 notice and an importer delivery bill, and the logistics company pays the rest money to the exporter after interest and service charge are deducted after a period of time.
However, the conventional bedding outlet method has the following problems:
1. collusion fraud risk: the exporter colludes with the importer to provide false trade contract, and colludes with the personnel in the logistics company to provide false goods information, misleads the logistics company financing decision and cheats the financing fund.
2. Risk of breach: for a logistics company, the real background of the trade of a loan enterprise and the historical reputation of an importer are lacked, if the importer violates a default, the residual payment cannot be settled, the logistics company needs to perform auction change on goods or require an exporter to purchase back, and the cross-border logistics company needs to bear the change cost and the time cost; for the exporter, if the logistics company defaults, the remaining money is not delivered to the exporter on time, and the risk will occur when the fund of the exporter is returned.
3. Document counterfeiting risk: in the traditional bedding mode flow, documents such as a bill of lading are paper documents, are easy to lose and difficult to keep, and information is easy to be tampered.
Disclosure of Invention
The invention provides a block chain-based method for carrying out bedding export and a computer-readable storage medium, which aim to solve the technical problem that the existing bedding export mode cannot carry out effective risk supervision.
According to an aspect of the present invention, there is provided a method for performing bedding export based on a blockchain, comprising the steps of:
step S1: the import merchant node and the export merchant node sign the trade contract on the block chain;
step S2: the cross-border logistics node of the exporter evaluates and confirms the credit worthiness and the goods information of the exporter node and the importer node based on the request of the exporter node, and then signs a bedding contract with the exporter node on the block chain;
step S3: the exporter cross-border logistics node provides partial goods money to the exporter node according to the bedding foundation contract, and the exporter node transfers the goods right certificate to the exporter cross-border logistics node after confirming that the goods money is received;
step S4: carrying out cargo export transportation activities by the exporter cross-border logistics nodes, and uploading relevant information in the cargo export transportation process to the block chain after being signed by the relevant nodes;
step S5: the exporter cross-border logistics nodes carry out cargo import transportation activities after transporting cargoes to the port, and relevant information in the cargo import transportation process is signed by relevant nodes and then uploaded to the block chain;
step S6: the import merchant node pays partial payment and then carries out goods picking activity;
step S7: and the importer node performs the payment clearing activity after paying all the payment.
Further, the step S1 includes the following steps:
step S11: after the import merchant node has good trade details with the export merchant node on line, deploying trade contracts on the block chain, encrypting the abstracts of the trade contracts by using the private key of the import merchant node, and sending the abstracts to the export merchant node;
step S21: and the export merchant node verifies by using the public key of the import merchant node, confirms that the trade contract is drawn by the import merchant node and the content of the trade contract is correct, confirms the Hash signature by using the private key of the export merchant node and records the Hash signature on the block chain.
Further, the step S2 includes the following steps:
step S21: the export merchant node starts stock according to the trade contract, applies for renting ships and booking bins to the export cross-border logistics node, deploys transportation lists on the block chain and fills detailed information related to cargo transportation, and sends the export cross-border logistics node after Hash signature;
step S22: verifying the cargo information on the block chain by the cross-border logistics node of the exporter, then performing Hash signature confirmation on the transportation list, and uploading the verification result to the block chain;
step S23: the export business node applies for signing and signing a bedding contract to the export cross-border logistics node according to the trade contract, deploys a bedding contract application form on the block chain and writes related information, and sends out the export cross-border logistics node to wait for consensus confirmation after Hash signature;
step S24: after receiving the subsidy contract application form of the exporter node, the cross-border logistics node of the exporter utilizes the public key of the exporter node to carry out verification, confirms that the application form really comes from the exporter node and then applies for investigation of credit investigation data of the exporter node and the importer node to a third party credit-providing node;
step S25: after receiving the application notice of the cross-border logistics node of the exporter, the third party credit worthiness node informs the Oracle node to apply for investigating the industry and commerce data, tax data, product data and social evaluation data of the exporter node and the importer node, and the Oracle node generates an investigation report, carries out Hash signature and uploads the investigation report to the block chain;
step S26: the third party credit investigation node determines credit investigation data of the third party credit investigation node according to the investigation report and the transaction history of the exporter node and the importer node, generates a credit investigation report, carries out Hash signature and uploads the credit investigation report to the block chain, and the exporter cross-border logistics node carries out verification by using a public key of the third party credit investigation node to determine the credit investigation report from the third party credit investigation node;
step S27: the cross-border logistics node of the exporter determines whether to sign a padding contract with the exporter node or not according to credit conditions and goods information of the exporter node and the importer node, if the result is rejected, a rejection notice is generated and Hash signature is carried out on the rejection notice, the rejection notice is recorded on a block chain, and if the result is rejected, the padding contract is deployed on the block chain, the Hash signature is carried out on the padding contract, and then the padding contract is sent to the exporter node;
step S28: and after receiving the bedding contract, the exporter node verifies by using the public key of the exporter cross-border logistics node, confirms that the bedding contract is drawn by the exporter cross-border logistics node and the content is correct, and uploads the bedding contract to the block chain after Hash signature confirmation.
Further, the step S3 includes the following steps:
step S31: the exporter cross-border logistics node informs the bank node at the location of the exporter to provide partial payment for the exporter node according to the bedding contract;
step S32: after receiving the notice, the bank node at the location of the exporter issues the payment to the exporter node, uploads the Hash signature of the fund invoice document to the block chain to wait for consensus confirmation;
step S33: and after confirming that the fund is received, the exporter node uploads the signed receipt to the block chain after carrying out Hash signature, transfers the goods right certificate to the exporter cross-border logistics node and informs the exporter cross-border logistics node to prepare for goods transportation.
Further, the step S4 includes the following steps:
step S41: after receiving the transportation notice and the goods right certificate, the cross-border logistics node of the exporter carries out Hash signature confirmation, and issues the signed transportation notice to the block chain;
step S43: the cross-border logistics node of the exporter applies for commodity inspection to the commodity inspection office node of the exporter, after receiving the application, the commodity inspection office node of the exporter starts to carry out commodity inspection on the goods, and after the commodity inspection is qualified, a commodity inspection report is sent out, and after Hash signature is carried out, the commodity inspection report is issued to the block chain network;
step S44: the cross-border logistics node of the exporter applies for issuing an enterprise allowed export certificate to the industrial and commercial office node of the exporter, and the industrial and commercial office node of the exporter receives the application notice, issues the enterprise allowed export certificate and issues a Hash signature to the block chain network;
step S45: the cross-border logistics node of the exit party applies for on-site inspection to the customs node of the exit party, the customs node of the exit party performs on-site inspection after receiving the inspection notification, confirms that the commodity inspection receipt is in accordance with the actual goods and the exit condition, opens the release notification and performs Hash signature and then releases the release notification to the block chain network;
step S46: and the exporter cross-border logistics node applies for tax refund to the exporter tax administration node, the exporter tax administration node processes the export tax refund after auditing the export bill and confirming that the export bill is legal, issues a tax refund certificate, performs Hash signature and uploads the tax refund to the block chain.
Further, the step S4 further includes the following steps between the step S41 and the step S43:
step S42: and after verifying the signature and determining that the content of the policy is correct, the exporter cross-border logistics node verifies the signature and issues the signature to a block chain network after performing Hash signature confirmation on the policy.
Further, the step S5 includes the following steps:
step S51: after the exporter cross-border logistics node delivers the goods to the port, the goods are sent to an importer node and recorded on a block chain, and after confirming information of the importer node is correct, Hash signature confirmation is carried out;
step S52: the cross-border logistics node of the exporter submits a commodity inspection application to the commodity inspection office node of the importer, the commodity inspection office node of the importer receives the commodity inspection application, issues a commodity inspection qualified certificate after the commodity inspection qualified, performs hash signature and uploads the commodity inspection qualified certificate to the block chain;
step S53: the cross-border logistics node of the exporter applies for issuing an enterprise allowed import certificate to the business office node of the importer, and the business office node of the importer receives the request, issues the enterprise allowed import certificate after verification, signs and uploads the signed result to the block chain;
step S54: applying for customs clearance from an exporter cross-border logistics node to an importer tax office node by the exporter tax office node, transacting customs clearance for the exporter cross-border logistics node by the importer tax office node after receiving the request according to the confirmed receipt information and invoice information on the block chain, deducting tax payment to be paid from a bank account of the exporter cross-border logistics node, issuing tax payment certification, performing Hash signature and uploading to the block chain;
step S55: applying for field inspection from the export party cross-border logistics node to the import party customs node, performing field inspection on the import party customs node, confirming that the electronic delivery bill is in line with the real object and the customs tax is paid, issuing a release notice, performing Hash signature and uploading to a block chain;
step S56: and after successful release, the exporter cross-border logistics node informs the overseas warehousing node of the exporter to place the goods into the warehouse of the exporter cross-border logistics node.
Further, the step S6 includes the following steps:
step S61: the importer node delivers the payment of the goods to the bank node at the location of the importer according to the purchase contract and applies for the delivery of the goods;
step S62: after receiving the payment, the bank node at the position of the importer issues an invoice, carries out Hash signature, uploads the invoice to the block chain, and transfers the payment to the bank node at the position of the exporter;
step S63: the bank at the location of the exporter sends out an invoice after receiving the payment and uploads the invoice to the block chain after Hash signature, and the exporter is informed of the payment of the goods to the account of the cross-border logistics node;
step S64: the cross-border logistics node of the exporter confirms that the payment arrives at the account and then informs the overseas warehousing node of the payment, carries out Hash signature on the payment notice and the bill of lading and uploads the notice and the bill of lading to the block chain, and sends the electronic bill of lading to the importer node;
step S65: and the overseas warehousing nodes deliver goods to the importer nodes according to the delivery notice of the exporter cross-border logistics nodes and the electronic bill of lading provided by the importer nodes.
Further, the step S7 includes the following steps:
step S71: paying off all the goods by the importer node, informing the Oracle node of performing Hash signature on the transfer record and then issuing the transfer record to the block chain;
step S72: the bank node at the position of the exporter receives all the money and then informs the exporter of the cross-border logistics node, the exporter of the cross-border logistics node informs the bank node at the position of the exporter of the remaining money to the exporter node within the set time after deducting interest and commission charge according to the charging contract, and the bank node sends out an invoice and uploads the invoice to the block chain after Hash signature;
step S73: and after receiving the residual goods payment, the export business node informs the Oracle node of receiving the goods payment statement, and the Oracle node performs Hash signature on the statement and then issues the statement to the block chain.
The present invention also provides a computer readable storage medium for storing a computer program for performing a block chain based padding export, where the computer program executes the method for performing a block chain based padding export as described above when the computer program runs on a computer.
The invention has the following beneficial effects:
the method for pad export based on the block chain comprehensively utilizes the block chain distributed account book, asymmetric encryption, Hash algorithm, digital signature, intelligent contract technology and black and white list mechanism, creates a logistics financing scene of the pad export based on the block chain, can greatly improve the logistics financing efficiency, reduce the waste of resources, stop the behavior of forging documents, and reduce the risk of credit investigation, financing, supervision and control. The block chain distributed account book technology is utilized, the problem of data sharing is solved, all participants can participate in accounting equally, a complete distributed database is maintained together, the cross-border logistics nodes of exports can comprehensively and truly master the transaction condition of exporter nodes, and the joint fraud risk of the exporter nodes and importer nodes is eliminated; in addition, credit behaviors of the exporter node, the importer node, the exporter node and the cross-border logistics node of the exporter are recorded on the chain by utilizing a credit investigation mechanism of a black and white list of the block chain, so that the default risks of the importer node, the exporter node and the cross-border logistics node of the exporter are effectively reduced; the method also utilizes the asymmetric encryption, the Hash algorithm and the digital signature technology, solves the problem of document forgery, improves the efficiency of document verification, utilizes the intelligent contract technology, enables the business process to be automatically executed, reduces the labor expenditure and the resource waste, and improves the efficiency of business execution.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a block chain network deployment diagram of a method for performing padding egress based on a block chain according to a preferred embodiment of the present invention.
Fig. 2 is a schematic diagram of a service network according to a method for performing padding egress based on a block chain in the preferred embodiment of the present invention.
Fig. 3 is a flowchart illustrating a method for performing padding egress based on a blockchain according to a preferred embodiment of the present invention.
Fig. 4 is a sub-flowchart of step S1 in fig. 3 according to the preferred embodiment of the present invention.
Fig. 5 is a sub-flowchart of step S2 in fig. 3 according to the preferred embodiment of the present invention.
Fig. 6 is a sub-flowchart of step S3 in fig. 3 according to the preferred embodiment of the present invention.
Fig. 7 is a sub-flowchart of step S4 in fig. 3 according to the preferred embodiment of the present invention.
Fig. 8 is a sub-flowchart of step S5 in fig. 3 according to the preferred embodiment of the present invention.
Fig. 9 is a sub-flowchart of step S6 in fig. 3 according to the preferred embodiment of the present invention.
Fig. 10 is a sub-flowchart of step S7 in fig. 3 according to the preferred embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
For convenience of understanding, as shown in fig. 1 and fig. 2, the following explains a multi-party node involved in a blockchain network in a method for performing pad export based on a blockchain.
1. Oracle node (prophetic machine): a platform for providing external information can allow the blockchain to be connected to any existing API, and information related to network nodes on the blockchain can be imported, stored and exported, so that dynamic acquisition of the information is realized.
2. And (4) an export business node: also known as a supplier or shipper, generally refers to a foreign trade company, manufacturing enterprise, or other entity that has the authority to handle export transactions.
3. The exit side business inspection office node: and indicating a detection mechanism which is responsible for auditing whether the commodities meet the export requirement by the oral party.
4. And the node of the export side business bureau: the system refers to a working department of government governing market supervision and administrative law enforcement, and is mainly responsible for auditing whether an export enterprise has export rights and is in an operation state in the import and export trade business.
5. Exporter insurance company node: the cross-border logistics company provides insurance services for freight transportation and the like.
6. Export side customs node: customs, which points out the customs of the oral party, is responsible for auditing the inspection of the goods issuance pass and for collecting customs duty and other taxes.
7. Exporter cross-border logistics node: the system has the functions of engaging in cross-border transportation (including transport agency and goods express delivery) and warehousing business, organizing and managing basic functions of transportation, storage, loading and unloading, packaging, circulation processing, distribution and the like according to the logistics requirements of customers, has an information management system adaptive to the business of the system, implements independent accounting, independently undertakes the economic organization of civil responsibility, and has the capability of providing financing for exporters.
8. Exporter tax office node: the government organization in charge of tax work refers to the department in this business where the exporter is responsible for dealing with export tax refunds.
9. The bank node of the place of the exporter: the domestic bank account of the cross-border logistics company transfers financing funds to the exporter according to the requirements of the logistics company and receives the payment transferred by the importer through the overseas bank.
10. Import merchant node: refers to a business or merchant engaged in import commerce. They purchase goods from foreign countries and then sell the goods to industrial and mining enterprises, wholesalers and retailers in the country; or processed or stored slightly and then transferred to other countries or regions.
11. Import side business inspection bureau node: and the entrance party is a detection mechanism for auditing whether the commodities meet the import requirements.
12. Import side business bureau node: the system refers to a working department of government competent market supervision and administrative law enforcement, and is mainly responsible for auditing whether an imported enterprise has the right of import and whether the imported enterprise is in an operation state in the import and export trade business.
13. Import side customs node: and the customs of the entrance party is responsible for auditing and checking the mechanism for issuing the pass of the goods.
14. Overseas warehousing nodes: the system refers to an overseas warehousing department of the cross-border logistics company, and delivers goods to importers according to delivery notices of the cross-border logistics company and delivery lists of the importers.
15. Importer tax office node: the government organization in charge of tax charge refers to the department in this business where the importer is responsible for handling import tax payment.
16. The bank node of the import merchant location: the bank of the import side is referred to, and the money of the goods is transferred to the bank of the export side for the import business.
17. A third party credit worthiness institution node: the system refers to a mediation legal person unit which is approved and established according to related laws and regulations, collects enterprise and personal credit information, provides enterprise and personal credit information inquiry, rating and inquiry services for enterprise and personal credit information users and operates independently.
As shown in fig. 3, a preferred embodiment of the present invention provides a method for performing a bedding export based on a blockchain, comprising the steps of:
step S1: the import merchant node and the export merchant node sign the trade contract on the block chain;
step S2: the cross-border logistics node of the exporter evaluates and confirms the credit worthiness and the goods information of the exporter node and the importer node based on the request of the exporter node, and then signs a bedding contract with the exporter node on the block chain;
step S3: the exporter cross-border logistics node provides partial goods money to the exporter node according to the bedding foundation contract, and the exporter node transfers the goods right certificate to the exporter cross-border logistics node after confirming that the goods money is received;
step S4: carrying out cargo export transportation activities by the exporter cross-border logistics nodes, and uploading relevant information in the cargo export transportation process to the block chain after being signed by the relevant nodes;
step S5: the exporter cross-border logistics nodes carry out cargo import transportation activities after transporting cargoes to the port, and relevant information in the cargo import transportation process is signed by relevant nodes and then uploaded to the block chain;
step S6: the import merchant node pays partial payment and then carries out goods picking activity;
step S7: and the importer node performs the payment clearing activity after paying all the payment.
In this embodiment, the method for performing capital export based on the block chain comprehensively utilizes the block chain distributed book, the asymmetric encryption, the Hash algorithm, the digital signature, the intelligent contract technology and the black and white list mechanism, creates a logistics financing scene of the capital export based on the block chain, can greatly improve the logistics financing efficiency, reduce the waste of resources, stop the behavior of forging documents, and reduce credit investigation, financing, supervision and control risks. The block chain distributed account book technology is utilized, the problem of data sharing is solved, all participants can participate in accounting equally, a complete distributed database is maintained together, the cross-border logistics nodes of exports can comprehensively and truly master the transaction condition of exporter nodes, and the joint fraud risk of the exporter nodes and importer nodes is eliminated; in addition, credit behaviors of the exporter node, the importer node, the exporter node and the cross-border logistics node of the exporter are recorded on the chain by utilizing a credit investigation mechanism of a black and white list of the block chain, so that the default risks of the importer node, the exporter node and the cross-border logistics node of the exporter are effectively reduced; the method also utilizes the asymmetric encryption, the Hash algorithm and the digital signature technology, solves the problem of document forgery, improves the efficiency of document verification, utilizes the intelligent contract technology, enables the business process to be automatically executed, reduces the labor expenditure and the resource waste, and improves the efficiency of business execution.
It is understood that, as shown in fig. 4, the step S1 includes the following steps:
step S11: after the import merchant node has good trade details with the export merchant node on line, deploying trade contracts on the block chain, encrypting the abstracts of the trade contracts by using the private key of the import merchant node, and sending the abstracts to the export merchant node;
step S21: and the export merchant node verifies by using the public key of the import merchant node, confirms that the trade contract is drawn by the import merchant node and the content of the trade contract is correct, confirms the Hash signature by using the private key of the export merchant node and records the Hash signature on the block chain.
In the step S1, the signing of the trade contract is performed on the blockchain, which can prevent the contract from being tampered with maliciously, and the information disclosure is transparent, so that other parties can effectively supervise the authenticity of the trade, and prevent the situation that the export node composes the trade.
It is understood that, as shown in fig. 5, the step S2 includes the following steps:
step S21: the export merchant node starts stock according to the trade contract, applies for renting ships and booking bins to the export cross-border logistics node, deploys transportation lists on the block chain and fills detailed information related to cargo transportation, and sends the export cross-border logistics node after Hash signature;
step S22: verifying the cargo information on the block chain by the cross-border logistics node of the exporter, then performing Hash signature confirmation on the transportation list, and uploading the verification result to the block chain;
step S23: the export business node applies for signing and signing a bedding contract to the export cross-border logistics node according to the trade contract, deploys a bedding contract application form on the block chain and writes related information, and sends out the export cross-border logistics node to wait for consensus confirmation after Hash signature;
step S24: after receiving the subsidy contract application form of the exporter node, the cross-border logistics node of the exporter utilizes the public key of the exporter node to carry out verification, confirms that the application form really comes from the exporter node and then applies for investigation of credit investigation data of the exporter node and the importer node to a third party credit-providing node;
step S25: after receiving the application notice of the cross-border logistics node of the exporter, the third party credit worthiness node informs the Oracle node to apply for investigating the industry and commerce data, tax data, product data and social evaluation data of the exporter node and the importer node, and the Oracle node generates an investigation report, carries out Hash signature and uploads the investigation report to the block chain;
step S26: the third party credit investigation node determines credit investigation data of the third party credit investigation node according to the investigation report and the transaction history of the exporter node and the importer node, generates a credit investigation report, carries out Hash signature and uploads the credit investigation report to the block chain, and the exporter cross-border logistics node carries out verification by using a public key of the third party credit investigation node to determine the credit investigation report from the third party credit investigation node;
step S27: the cross-border logistics node of the exporter determines whether to sign a padding contract with the exporter node or not according to credit conditions and goods information of the exporter node and the importer node, if the result is rejected, a rejection notice is generated and Hash signature is carried out on the rejection notice, the rejection notice is recorded on a block chain, and if the result is rejected, the padding contract is deployed on the block chain, the Hash signature is carried out on the padding contract, and then the padding contract is sent to the exporter node;
step S28: and after receiving the bedding contract, the exporter node verifies by using the public key of the exporter cross-border logistics node, confirms that the bedding contract is drawn by the exporter cross-border logistics node and the content is correct, and uploads the bedding contract to the block chain after Hash signature confirmation.
In the step S2, the intelligent contract technology is utilized, the signing process of the pad contract is automatically performed on the blockchain, the processing efficiency is greatly improved, the related data information is electronic, malicious tampering can be effectively prevented, all data are public and transparent on the chain, and therefore, the supervision of nodes of other parties is facilitated, and the cross-border logistics nodes of the exporter accurately evaluate the credit investigation conditions of the exporter nodes and the importer nodes through the Oracle nodes, so that an accurate decision is made, and the financing risk is reduced.
It is understood that, as shown in fig. 6, the step S3 includes the following steps:
step S31: the exporter cross-border logistics node informs the bank node at the location of the exporter to provide partial payment for the exporter node according to the bedding contract;
step S32: after receiving the notice, the bank node at the location of the exporter issues the payment to the exporter node, uploads the Hash signature of the fund invoice document to the block chain to wait for consensus confirmation;
step S33: and after confirming that the fund is received, the exporter node uploads the signed receipt to the block chain after carrying out Hash signature, transfers the goods right certificate to the exporter cross-border logistics node and informs the exporter cross-border logistics node to prepare for goods transportation.
In step S6, the process of pre-paying the payment to the exporter node by the exporter cross-border logistics node is recorded in the blockchain, so that each exporter node can perform effective supervision, and the risk of collusion of the exporter node and the internal personnel of the exporter cross-border logistics node is prevented.
It is understood that, as shown in fig. 7, the step S4 includes the following steps:
step S41: after receiving the transportation notice and the goods right certificate, the cross-border logistics node of the exporter carries out Hash signature confirmation, and issues the signed transportation notice to the block chain;
step S43: the cross-border logistics node of the exporter applies for commodity inspection to the commodity inspection office node of the exporter, after receiving the application, the commodity inspection office node of the exporter starts to carry out commodity inspection on the goods, and after the commodity inspection is qualified, a commodity inspection report is sent out, and after Hash signature is carried out, the commodity inspection report is issued to the block chain network;
step S44: the cross-border logistics node of the exporter applies for issuing an enterprise allowed export certificate to the industrial and commercial office node of the exporter, and the industrial and commercial office node of the exporter receives the application notice, issues the enterprise allowed export certificate and issues a Hash signature to the block chain network;
step S45: the cross-border logistics node of the exit party applies for on-site inspection to the customs node of the exit party, the customs node of the exit party performs on-site inspection after receiving the inspection notification, confirms that the commodity inspection receipt is in accordance with the actual goods and the exit condition, opens the release notification and performs Hash signature and then releases the release notification to the block chain network;
step S46: and the exporter cross-border logistics node applies for tax refund to the exporter tax administration node, the exporter tax administration node processes the export tax refund after auditing the export bill and confirming that the export bill is legal, issues a tax refund certificate, performs Hash signature and uploads the tax refund to the block chain.
It is understood that, as preferable, the step S4 further includes the following steps between the step S41 and the step S43:
step S42: and after verifying the signature and determining that the content of the policy is correct, the exporter cross-border logistics node verifies the signature and issues the signature to a block chain network after performing Hash signature confirmation on the policy.
In step S4, the information in the process of goods export circulation is signed by the relevant node and then uploaded to the block chain, and the whole process of goods export is public and transparent on the block chain, so that each party can effectively supervise the circulation process of goods, and prevent the export business node from performing illegal operations.
It is understood that, as shown in fig. 8, the step S5 includes the following steps:
step S51: after the exporter cross-border logistics node delivers the goods to the port, the goods are sent to an importer node and recorded on a block chain, and after confirming information of the importer node is correct, Hash signature confirmation is carried out;
step S52: the cross-border logistics node of the exporter submits a commodity inspection application to the commodity inspection office node of the importer, the commodity inspection office node of the importer receives the commodity inspection application, issues a commodity inspection qualified certificate after the commodity inspection qualified, performs hash signature and uploads the commodity inspection qualified certificate to the block chain;
step S53: the cross-border logistics node of the exporter applies for issuing an enterprise allowed import certificate to the business office node of the importer, and the business office node of the importer receives the request, issues the enterprise allowed import certificate after verification, signs and uploads the signed result to the block chain;
step S54: applying for customs clearance from an exporter cross-border logistics node to an importer tax office node by the exporter tax office node, transacting customs clearance for the exporter cross-border logistics node by the importer tax office node after receiving the request according to the confirmed receipt information and invoice information on the block chain, deducting tax payment to be paid from a bank account of the exporter cross-border logistics node, issuing tax payment certification, performing Hash signature and uploading to the block chain;
step S55: applying for field inspection from the export party cross-border logistics node to the import party customs node, performing field inspection on the import party customs node, confirming that the electronic delivery bill is in line with the real object and the customs tax is paid, issuing a release notice, performing Hash signature and uploading to a block chain;
step S56: and after successful release, the exporter cross-border logistics node informs the overseas warehousing node of the exporter to place the goods into the warehouse of the exporter cross-border logistics node.
In the step S5, the information in the process of import and circulation of the goods is signed by the relevant nodes and then uploaded to the block chain, and the whole process of import and circulation of the goods is public and transparent on the block chain, so that each party can conveniently and effectively supervise the process of circulation of the goods, and the condition that the import business node carries goods and loses confidence for personal escape is prevented.
It is understood that, as shown in fig. 9, the step S6 includes the following steps:
step S61: the importer node delivers the payment of the goods to the bank node at the location of the importer according to the purchase contract and applies for the delivery of the goods;
step S62: after receiving the payment, the bank node at the position of the importer issues an invoice, carries out Hash signature, uploads the invoice to the block chain, and transfers the payment to the bank node at the position of the exporter;
step S63: the bank at the location of the exporter sends out an invoice after receiving the payment and uploads the invoice to the block chain after Hash signature, and the exporter is informed of the payment of the goods to the account of the cross-border logistics node;
step S64: the cross-border logistics node of the exporter confirms that the payment arrives at the account and then informs the overseas warehousing node of the payment, carries out Hash signature on the payment notice and the bill of lading and uploads the notice and the bill of lading to the block chain, and sends the electronic bill of lading to the importer node;
step S65: and the overseas warehousing nodes deliver goods to the importer nodes according to the delivery notice of the exporter cross-border logistics nodes and the electronic bill of lading provided by the importer nodes.
In step S6, the relevant information of the goods extraction process is uploaded to the block chain after being signed by the relevant nodes, the information is public and transparent, and therefore, each node can be monitored effectively, and the authenticity of the goods to be picked up is ensured.
It is understood that, as shown in fig. 10, the step S7 includes the following steps:
step S71: paying off all the goods by the importer node, informing the Oracle node of performing Hash signature on the transfer record and then issuing the transfer record to the block chain;
step S72: the bank node at the position of the exporter receives all the money and then informs the exporter of the cross-border logistics node, the exporter of the cross-border logistics node informs the bank node at the position of the exporter of the remaining money to the exporter node within the set time after deducting interest and commission charge according to the charging contract, and the bank node sends out an invoice and uploads the invoice to the block chain after Hash signature;
step S73: and after receiving the residual goods payment, the export business node informs the Oracle node of receiving the goods payment statement, and the Oracle node performs Hash signature on the statement and then issues the statement to the block chain.
In the step S7, the payment clearing process is recorded on the blockchain, and the exporter node can monitor the payment return situation in real time, so as to prevent the exporter from refusing payment or delaying payment after receiving the payment from the cross-border logistics node, thereby reducing the risk of fund withdrawal of the exporter node.
It is to be understood that the second embodiment of the present invention also provides a computer readable storage medium for storing a computer program for performing a blockchain-based fundation export, where the computer program executes the method for performing blockchain-based fundation export on a basis of blockchains as described above when the computer program runs on a computer.
The general form of computer readable media includes: floppy disk (floppy disk), flexible disk (flexible disk), hard disk, magnetic tape, any other magnetic medium, CD-ROM, any other optical medium, punch cards (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 by a transmission medium. The term transmission medium may include any tangible or intangible medium that is operable to store, encode, or carry instructions for execution by the machine, and includes digital or analog communications signals or intangible medium that facilitates communication of the instructions. Transmission media include coaxial cables, copper wire and fiber optics, including the wires that comprise a bus for transmitting computer data signals.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A method for exporting padding based on a block chain,
the method comprises the following steps:
step S1: the import merchant node and the export merchant node sign the trade contract on the block chain;
step S2: the cross-border logistics node of the exporter evaluates and confirms the credit worthiness and the goods information of the exporter node and the importer node based on the request of the exporter node, and then signs a bedding contract with the exporter node on the block chain;
step S3: the exporter cross-border logistics node provides partial goods money to the exporter node according to the bedding foundation contract, and the exporter node transfers the goods right certificate to the exporter cross-border logistics node after confirming that the goods money is received;
step S4: carrying out cargo export transportation activities by the exporter cross-border logistics nodes, and uploading relevant information in the cargo export transportation process to the block chain after being signed by the relevant nodes;
step S5: the exporter cross-border logistics nodes carry out cargo import transportation activities after transporting cargoes to the port, and relevant information in the cargo import transportation process is signed by relevant nodes and then uploaded to the block chain;
step S6: the import merchant node pays partial payment and then carries out goods picking activity;
step S7: and the importer node performs the payment clearing activity after paying all the payment.
2. The method for performing padding export based on blockchain of claim 1,
the step S1 includes the steps of:
step S11: after the import merchant node has good trade details with the export merchant node on line, deploying trade contracts on the block chain, encrypting the abstracts of the trade contracts by using the private key of the import merchant node, and sending the abstracts to the export merchant node;
step S22: and the export merchant node verifies by using the public key of the import merchant node, confirms that the trade contract is drawn by the import merchant node and the content of the trade contract is correct, confirms the Hash signature by using the private key of the export merchant node and records the Hash signature on the block chain.
3. The method for performing padding export based on blockchain of claim 2,
the step S2 includes the steps of:
step S21: the export merchant node starts stock according to the trade contract, applies for renting ships and booking bins to the export cross-border logistics node, deploys transportation lists on the block chain and fills detailed information related to cargo transportation, and sends the export cross-border logistics node after Hash signature;
step S22: verifying the cargo information on the block chain by the cross-border logistics node of the exporter, then performing Hash signature confirmation on the transportation list, and uploading the verification result to the block chain;
step S23: the export business node applies for signing and signing a bedding contract to the export cross-border logistics node according to the trade contract, deploys a bedding contract application form on the block chain and writes related information, and sends out the export cross-border logistics node to wait for consensus confirmation after Hash signature;
step S24: after receiving the subsidy contract application form of the exporter node, the cross-border logistics node of the exporter utilizes the public key of the exporter node to carry out verification, confirms that the application form really comes from the exporter node and then applies for investigation of credit investigation data of the exporter node and the importer node to a third party credit-providing node;
step S25: after receiving the application notice of the cross-border logistics node of the exporter, the third party credit worthiness node informs the Oracle node to apply for investigating the industry and commerce data, tax data, product data and social evaluation data of the exporter node and the importer node, and the Oracle node generates an investigation report, carries out Hash signature and uploads the investigation report to the block chain;
step S26: the third party credit investigation node determines credit investigation data of the third party credit investigation node according to the investigation report and the transaction history of the exporter node and the importer node, generates a credit investigation report, carries out Hash signature and uploads the credit investigation report to the block chain, and the exporter cross-border logistics node carries out verification by using a public key of the third party credit investigation node to determine the credit investigation report from the third party credit investigation node;
step S27: the cross-border logistics node of the exporter determines whether to sign a padding contract with the exporter node or not according to credit conditions and goods information of the exporter node and the importer node, if the result is rejected, a rejection notice is generated and Hash signature is carried out on the rejection notice, the rejection notice is recorded on a block chain, and if the result is rejected, the padding contract is deployed on the block chain, the Hash signature is carried out on the padding contract, and then the padding contract is sent to the exporter node;
step S28: and after receiving the bedding contract, the exporter node verifies by using the public key of the exporter cross-border logistics node, confirms that the bedding contract is drawn by the exporter cross-border logistics node and the content is correct, and uploads the bedding contract to the block chain after Hash signature confirmation.
4. The method for performing padding export based on blockchain of claim 3,
the step S3 includes the steps of:
step S31: the exporter cross-border logistics node informs the bank node at the location of the exporter to provide partial payment for the exporter node according to the bedding contract;
step S32: after receiving the notice, the bank node at the location of the exporter issues the payment to the exporter node, uploads the Hash signature of the fund invoice document to the block chain to wait for consensus confirmation;
step S33: and after confirming that the fund is received, the exporter node uploads the signed receipt to the block chain after carrying out Hash signature, transfers the goods right certificate to the exporter cross-border logistics node and informs the exporter cross-border logistics node to prepare for goods transportation.
5. The method for performing padding egress according to claim 4, wherein,
the step S4 includes the steps of:
step S41: after receiving the transportation notice and the goods right certificate, the cross-border logistics node of the exporter carries out Hash signature confirmation, and issues the signed transportation notice to the block chain;
step S43: the cross-border logistics node of the exporter applies for commodity inspection to the commodity inspection office node of the exporter, after receiving the application, the commodity inspection office node of the exporter starts to carry out commodity inspection on the goods, and after the commodity inspection is qualified, a commodity inspection report is sent out, and after Hash signature is carried out, the commodity inspection report is issued to the block chain network;
step S44: the cross-border logistics node of the exporter applies for issuing an enterprise allowed export certificate to the industrial and commercial office node of the exporter, and the industrial and commercial office node of the exporter receives the application notice, issues the enterprise allowed export certificate and issues a Hash signature to the block chain network;
step S45: the cross-border logistics node of the exit party applies for on-site inspection to the customs node of the exit party, the customs node of the exit party performs on-site inspection after receiving the inspection notification, confirms that the commodity inspection receipt is in accordance with the actual goods and the exit condition, opens the release notification and performs Hash signature and then releases the release notification to the block chain network;
step S46: and the exporter cross-border logistics node applies for tax refund to the exporter tax administration node, the exporter tax administration node processes the export tax refund after auditing the export bill and confirming that the export bill is legal, issues a tax refund certificate, performs Hash signature and uploads the tax refund to the block chain.
6. The method for performing padding export based on blockchain of claim 5,
the step S4 further includes the following steps between the step S41 and the step S43:
step S42: and after verifying the signature and determining that the content of the policy is correct, the exporter cross-border logistics node verifies the signature and issues the signature to a block chain network after performing Hash signature confirmation on the policy.
7. The method for performing padding egress according to claim 6, wherein,
the step S5 includes the steps of:
step S51: after the exporter cross-border logistics node delivers the goods to the port, the goods are sent to an importer node and recorded on a block chain, and after confirming information of the importer node is correct, Hash signature confirmation is carried out;
step S52: the cross-border logistics node of the exporter submits a commodity inspection application to the commodity inspection office node of the importer, the commodity inspection office node of the importer receives the commodity inspection application, issues a commodity inspection qualified certificate after the commodity inspection qualified, performs hash signature and uploads the commodity inspection qualified certificate to the block chain;
step S53: the cross-border logistics node of the exporter applies for issuing an enterprise allowed import certificate to the business office node of the importer, and the business office node of the importer receives the request, issues the enterprise allowed import certificate after verification, signs and uploads the signed result to the block chain;
step S54: applying for customs clearance from an exporter cross-border logistics node to an importer tax office node by the exporter tax office node, transacting customs clearance for the exporter cross-border logistics node by the importer tax office node after receiving the request according to the confirmed receipt information and invoice information on the block chain, deducting tax payment to be paid from a bank account of the exporter cross-border logistics node, issuing tax payment certification, performing Hash signature and uploading to the block chain;
step S55: applying for field inspection from the export party cross-border logistics node to the import party customs node, performing field inspection on the import party customs node, confirming that the electronic delivery bill is in line with the real object and the customs tax is paid, issuing a release notice, performing Hash signature and uploading to a block chain;
step S56: and after successful release, the exporter cross-border logistics node informs the overseas warehousing node of the exporter to place the goods into the warehouse of the exporter cross-border logistics node.
8. The method for performing padding egress according to claim 7, wherein,
the step S6 includes the steps of:
step S61: the importer node delivers the payment of the goods to the bank node at the location of the importer according to the purchase contract and applies for the delivery of the goods;
step S62: after receiving the payment, the bank node at the position of the importer issues an invoice, carries out Hash signature, uploads the invoice to the block chain, and transfers the payment to the bank node at the position of the exporter;
step S63: the bank at the location of the exporter sends out an invoice after receiving the payment and uploads the invoice to the block chain after Hash signature, and the exporter is informed of the payment of the goods to the account of the cross-border logistics node;
step S64: the cross-border logistics node of the exporter confirms that the payment arrives at the account and then informs the overseas warehousing node of the payment, carries out Hash signature on the payment notice and the bill of lading and uploads the notice and the bill of lading to the block chain, and sends the electronic bill of lading to the importer node;
step S65: and the overseas warehousing nodes deliver goods to the importer nodes according to the delivery notice of the exporter cross-border logistics nodes and the electronic bill of lading provided by the importer nodes.
9. The method for performing padding egress according to claim 8, wherein,
the step S7 includes the steps of:
step S71: paying off all the goods by the importer node, informing the Oracle node of performing Hash signature on the transfer record and then issuing the transfer record to the block chain;
step S72: the bank node at the position of the exporter receives all the money and then informs the exporter of the cross-border logistics node, the exporter of the cross-border logistics node informs the bank node at the position of the exporter of the remaining money to the exporter node within the set time after deducting interest and commission charge according to the charging contract, and the bank node sends out an invoice and uploads the invoice to the block chain after Hash signature;
step S73: and after receiving the residual goods payment, the export business node informs the Oracle node of receiving the goods payment statement, and the Oracle node performs Hash signature on the statement and then issues the statement to the block chain.
10. A computer-readable storage medium for storing a computer program for performing block chain based inventory export, wherein the computer program performs the method for performing block chain based inventory export according to any one of claims 1 to 9 when the computer program runs on a computer.
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