CN114819933A - Blockchain-based cross-border financial payment settlement method and system - Google Patents

Abstract

The invention provides a block chain-based cross-border financial payment settlement method and a block chain-based cross-border financial payment settlement system, wherein the method comprises the following steps of: the transaction initiating terminal module initiates a cross-border trade transaction demand, and the payment network connection module transmits the cross-border trade transaction demand signal to the transaction receiving terminal module; the transaction receiving end module supplies trade goods to the transaction initiating end module and sends a collection requirement instruction to the remittance foreign exchange bank end module; after the remittance foreign exchange bank end module carries out information comparison confirmation through the inter-bank data providing module, the transaction initiating end module authorizes the remittance foreign exchange bank end module and carries out cross-border finance; the foreign exchange bank end module is used for transferring foreign exchange funds, and the foreign exchange bank end module is used for receiving the currency of cross-border financial payment. The invention uses block chain technique to settle payment, which can reduce the cost of payment and settlement process, and the two parties of transaction are independent and all transaction information can be shared in whole network.

Description

Blockchain-based cross-border financial payment settlement method and system

technical field

The invention belongs to the technical field of cross-border financial payment, and in particular relates to a method and system for cross-border financial payment and settlement based on blockchain.

Background technique

In the era of traditional foreign trade, capital exchanges were not very frequent. In this case, international bank settlement and small-amount remittances can basically meet the market demand. However, with the increasing international trade, in recent years, with the continuous development of my country's economy, my country's degree of opening to the outside world has been deepened, and economic and trade exchanges with global economies have become increasingly close. With the rise of cross-border e-commerce, the volume of cross-border transactions has increased sharply. A large number of international business transactions have forced huge changes in cross-border payment and settlement. It is safe, convenient, simple, easy to use, fast in settlement, and low in transaction costs. Demand is an essential element of current cross-border business transactions. Due to the problems of long payment and settlement cycle and low frequency in traditional cross-border payment and settlement systems such as bank international settlement and small-value remittance, they cannot meet the needs of all parties involved in cross-border trade. This problem has become A major obstacle in cross-border trade.

Furthermore, there is an urgent need for a blockchain-based cross-border financial payment settlement method and system.

SUMMARY OF THE INVENTION

Aiming at the above-mentioned defects, the present invention provides a method and system for cross-border financial payment settlement based on blockchain.

The present invention provides the following technical solutions: a blockchain-based cross-border financial payment settlement method, comprising the following steps:

1) The transaction initiator module initiates the cross-border trade transaction demand, and the payment network connection module transmits the cross-border trade transaction demand signal to the transaction receiver module;

2) The transaction receiving end module supplies trade goods to the transaction initiating end module, and sends a payment request instruction to the remittance foreign exchange bank end module;

3) The inward foreign exchange bank terminal module sends an inquiry to the interbank data providing module to query the capital transaction flow information requirements of the outgoing foreign exchange bank terminal module, and the interbank data providing module remits the query to the funds of the foreign exchange bank terminal module The transaction flow information demand signal is sent to the transaction initiator module;

4) The transaction originator module receives the query and remits the capital transaction flow information requirement of the foreign exchange bank end module, and sends the ciphertext of the user authorization information to the blockchain where the interbank data providing module is located by means of private key encryption. ;

5) The inter-bank data providing module receives the ciphertext authorized by the transaction initiator module, uses public key decryption to receive the plaintext information for querying and exporting the funds transaction flow information requirements of the foreign exchange bank terminal module, and uses the authorization information to use the The public key of the inward foreign exchange bank end module is encrypted and sent to the outgoing foreign exchange bank end module;

6) The outgoing foreign exchange bank terminal module encrypts the capital transaction flow information with the public key of the inward foreign exchange bank terminal module, and sends it to the blockchain where the interbank data providing module is located;

7) After the inter-bank data providing module and the inward foreign exchange bank end module perform information comparison and confirmation, the transaction initiating end module authorizes the outgoing foreign exchange bank end module and performs cross-border financial payment;

8) The outgoing foreign exchange bank end module remits foreign exchange funds to the inward foreign exchange bank end module, and the inward foreign exchange bank end module receives currency for cross-border financial payment.

Further, the ciphertext of the user authorization information in the step 4) and the public key of the inward foreign exchange bank module in the step 5) are encrypted and sent to the outgoing foreign exchange bank module. The authorization information and the capital transaction flow information encrypted with the public key of the inward foreign exchange bank terminal module in the step 6) are all obtained by encrypting with a hash algorithm.

Further, the capital transaction flow information includes goodwill information, transaction capital transaction information over the past years, debt information, inventory information and fund delivery information on time.

The present invention also provides a blockchain-based cross-border financial payment and settlement system, comprising a transaction originating end module, a transaction receiving end module, a payment network connection module and a foreign exchange fund providing module, wherein the transaction originating end module is connected with an outgoing foreign exchange a bank end module, the transaction receiving end module is connected with an inward foreign exchange bank end module, and an interbank data providing module is arranged between the outgoing foreign exchange bank end module and the inward foreign exchange bank end module;

The transaction initiator module is used for initiating cross-border trade transaction demands and making cross-border financial payments;

The transaction receiving end module is used for supplying trade goods to the transaction initiating end module and receiving currency for cross-border financial payment;

The payment network connection module is used to connect the transaction initiating end module, the outgoing foreign exchange bank end module, the interbank data providing module, the inward foreign exchange bank end module and the transaction receiving end through a communication network module;

The foreign exchange fund providing module is configured to provide foreign exchange fund flow for the transaction initiating end module and the transaction receiving end module.

Further, the payment network connection module is a Ripple network connection module.

Further, the foreign exchange capital providing module further includes a foreign exchange quotation module, which is used for quoting the provided foreign exchange capital flow.

Further, the transaction initiation end module includes a transaction initiation distributed ledger accounting module and a first foreign exchange quotation connector; the transaction initiation distributed account book accounting module is used for the distributed accounting of the transaction initiation end module. , the first foreign exchange quotation connector is used for the transaction initiator module to receive the foreign exchange capital flow external quotation provided by the foreign exchange quotation module.

Further, the transaction receiving end module includes a transaction receiving distributed ledger accounting module and a second foreign exchange quotation connector; the transaction receiving distributed ledger accounting module is used for the distributed accounting of the transaction receiving end module. ; The second foreign exchange quotation connector is used for the transaction receiving end module to receive the foreign exchange capital flow external quotation provided by the foreign exchange quotation module.

The beneficial effects of the present invention are:

1. The blockchain-based cross-border financial payment and settlement method provided by the present invention, the application of blockchain technology for payment and settlement can greatly reduce the cost of payment and settlement process processing, which is due to the characteristics of blockchain technology itself , when the information is in a point-to-point mode, the payment is made directly, the two parties to the transaction are independent, there is no intermediary agency, and all transaction information can be shared across the network.

2. The present invention adopts the blockchain technology to pay transactions with high timeliness. In the cross-border payment and settlement mode using blockchain technology, all the information of buyers and sellers is usually recorded in detail on the transaction chain. This is based on the attribute requirements of blockchain technology, and all relevant records of transactions should also be based on Participating financial institutions generate full information and ensure peer-to-peer conduct. This method can not only improve the timeliness, but also help buyers and sellers avoid various risks.

3. The use of blockchain technology to replace the traditional cross-border payment and settlement model can not only reduce the cost of labor maintenance, but also greatly improve the system security of cross-border payment and settlement, and solve the traditional cross-border payment and settlement process. Information asymmetry risk.

Description of drawings

In the following the invention will be described in more detail on the basis of examples and with reference to the accompanying drawings. in:

1 is a schematic flowchart of a method for cross-border financial payment and settlement based on blockchain provided by the present invention;

2 is a schematic structural diagram of a cross-border financial payment settlement system based on blockchain provided by the present invention;

FIG. 3 is a schematic structural diagram of another blockchain-based cross-border financial payment settlement system provided by the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

As shown in FIG. 1, it is a schematic flowchart of a blockchain-based cross-border financial payment settlement method provided by the present invention, and the method includes the following steps:

1) The transaction initiator module initiates the cross-border trade transaction demand, and the payment network connection module transmits the cross-border trade transaction demand signal to the transaction receiver module;

2) The transaction receiving end module supplies the trade goods to the transaction initiating end module, and sends a payment request instruction to the remittance foreign exchange bank end module;

3) The inward foreign exchange bank-side module sends an inquiry to the inter-bank data providing module to query the capital transaction flow information requirements of the outgoing foreign exchange bank-side module, and the inter-bank data supply module sends the request signal for querying the capital transaction flow information of the outgoing foreign exchange bank-side module to the transaction. Initiator module;

4) The transaction initiator module receives the request for information on the capital transaction flow of the outgoing foreign exchange bank module, and sends the ciphertext of the user authorization information to the blockchain where the interbank data providing module is located by means of private key encryption;

5) The interbank data providing module receives the cipher text authorized by the transaction initiator module, uses public key decryption to receive the plaintext information required for querying and exporting the capital transaction flow information of the foreign exchange bank end module, and transfers the authorization information to the foreign exchange bank end module. The public key is encrypted and sent to the module of the outgoing foreign exchange bank;

6) The outgoing foreign exchange bank terminal module encrypts the capital transaction flow information with the public key remitted to the foreign exchange bank terminal module, and sends it to the blockchain where the interbank data providing module is located;

7) After the information is compared and confirmed between the interbank data providing module and the inward foreign exchange bank module, the transaction initiator module authorizes the outgoing foreign exchange bank module to make cross-border financial payments;

8) The outgoing foreign exchange bank-end module remits foreign exchange funds to the inward foreign exchange bank-end module, and the inward foreign exchange bank-end module receives the currency for cross-border financial payment.

Preferably, the ciphertext of the user authorization information in step 4), the authorization information in step 5) are encrypted with the public key of the inward foreign exchange bank terminal module and then sent to the outgoing foreign exchange bank terminal module, and the authorization information in step 6) The capital transaction flow information encrypted with the public key imported into the foreign exchange bank terminal module is encrypted by the hash algorithm.

Preferably, the capital transaction flow information includes goodwill information, transaction capital transaction information over the past years, debt information, inventory information, and fund on-time delivery information.

Example 2

As shown in FIG. 2, a blockchain-based cross-border financial payment and settlement system provided by the present invention includes a transaction originating end module, a transaction receiving end module, a payment network connection module and a foreign exchange fund providing module, and a transaction originating end module. The outgoing foreign exchange bank end module is connected, the transaction receiving end module is connected with the inward foreign exchange bank end module, and an interbank data providing module is arranged between the outgoing foreign exchange bank end module and the inward foreign exchange bank end module;

The transaction initiator module is used to initiate cross-border trade transaction requirements and make cross-border financial payments;

The transaction receiver module is used to supply trade goods to the transaction initiator module and receive currency for cross-border financial payment;

The payment network connection module is used for the communication network to connect the transaction initiator end module, the outgoing foreign exchange bank end module, the interbank data providing module, the inward foreign exchange bank end module and the transaction receiving end module;

The foreign exchange fund providing module is used to provide foreign exchange fund flow for the transaction initiator module and the transaction receiver module.

As shown in Figure 3, preferably, the payment network connection module is a Ripple network connection module. The foreign exchange fund providing module also includes a foreign exchange quotation module, which is used for quoting the provided foreign exchange capital flow.

The transaction initiation end module includes a transaction initiation distributed ledger accounting module and a first foreign exchange quotation connector; the transaction initiation distributed ledger accounting module is used for distributed accounting of the transaction initiation end module, and the first foreign exchange quotation connector is used for The transaction initiator module receives the foreign exchange capital flow quotation provided by the foreign exchange quotation module.

The transaction receiving end module includes a transaction receiving distributed ledger accounting module and a second foreign exchange quotation connector; the transaction receiving distributed ledger accounting module is used for distributed accounting of the transaction receiving end module; the second foreign exchange quotation connector is used for The foreign exchange capital flow quotation provided by the foreign exchange quotation module is received at the transaction receiving end module.

Although the present invention has been described with reference to the preferred embodiments, various modifications may be made and equivalents may be substituted for technical features therein without departing from the scope of the invention. In particular, as long as there is no conflict in technical solutions, each technical feature mentioned in each embodiment can be combined in any manner. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

The flowchart and block diagrams in the Figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code that contains one or more logical functions for implementing the specified functions executable instructions. It should also be noted that, in some alternative implementations, the functions noted in the blocks may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It is also noted that each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented in dedicated hardware-based systems that perform the specified functions or operations , or can be implemented in a combination of dedicated hardware and computer instructions.

The units involved in the embodiments of the present disclosure may be implemented in a software manner, and may also be implemented in a hardware manner. Wherein, the name of the unit does not constitute a limitation of the unit itself under certain circumstances, for example, the first obtaining unit may also be described as "a unit that obtains at least two Internet Protocol addresses".

It should be understood that the various steps described in the method embodiments of the present disclosure may be performed in different orders and/or in parallel. Furthermore, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this regard.

As used herein, the term "including" and variations thereof are open-ended inclusions, ie, "including but not limited to". The term "based on" is "based at least in part on." The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions of other terms will be given in the description below.

It should be noted that concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order of functions performed by these devices, modules or units or interdependence.

It should be noted that the modifications of "a" and "a plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless the context clearly indicates otherwise, they should be understood as "one or a plurality of". multiple".

The above description is merely a preferred embodiment of the present disclosure and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the disclosure involved in the present disclosure is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, and should also cover, without departing from the above-mentioned disclosed concept, the technical solutions formed by the above-mentioned technical features or Other technical solutions formed by any combination of its equivalent features. For example, a technical solution is formed by replacing the above features with the technical features disclosed in the present disclosure (but not limited to) with similar functions.

Claims (8)

1. The block chain-based cross-border financial payment settlement method is characterized by comprising the following steps:

1) the transaction initiating terminal module initiates a cross-border trade transaction demand, and the payment network connection module transmits the cross-border trade transaction demand signal to the transaction receiving terminal module;

2) the transaction receiving end module supplies trade goods to the transaction initiating end module and sends a collection requirement instruction to the remittance foreign exchange bank end module;

3) the remittance foreign exchange bank end module sends a request for inquiring and remitting the fund transaction flow information of the foreign exchange bank end module to the inter-row data providing module, and the inter-row data providing module sends a request signal for inquiring and remitting the fund transaction flow information of the foreign exchange bank end module to the transaction initiating end module;

4) the transaction initiating end module receives the capital transaction flow information requirement of the query and remittance foreign exchange bank end module, and sends a user authorization information ciphertext to the block chain where the inter-row data providing module is located in a private key encryption mode;

5) the inter-bank data providing module receives a ciphertext authorized by the transaction initiating end module, decrypts and receives plaintext information required by inquiring capital transaction running information of the remittance foreign exchange bank end module by adopting a public key, encrypts and transmits authorization information by using the public key of the remittance foreign exchange bank end module to the remittance foreign exchange bank end module;

6) the remittance foreign exchange bank end module encrypts fund transaction flow information by using the public key of the remittance foreign exchange bank end module and then sends the encrypted fund transaction flow information to the block chain where the interline data providing module is located;

7) after the inter-bank data providing module and the remittance foreign exchange bank end module perform information comparison and confirmation, the transaction initiating end module authorizes the remittance foreign exchange bank end module and performs cross-border financial payment;

8) the remittance foreign exchange bank end module remits foreign exchange funds to the remittance foreign exchange bank end module, and the remittance foreign exchange bank end module receives the currency of cross-border financial payment.

2. The block chain-based cross-border financial payment settlement method according to claim 1, wherein the user authorization information ciphertext in the step 4), the authorization information sent to the remittance foreign exchange bank end module after being encrypted by the public key of the remittance foreign exchange bank end module in the step 5), and the fund transaction flow information encrypted by the public key of the remittance foreign exchange bank end module in the step 6) are obtained by encryption by a hash algorithm.

3. The blockchain-based cross-border financial payment settlement method of claim 1, wherein the fund transaction flow information comprises reputation information, past-year transaction fund transaction information, debt information, inventory information, and fund on-time delivery information.

4. The block chain-based cross-border financial payment settlement system adopting the method of claim 1, comprising a transaction initiating terminal module, a transaction receiving terminal module, a payment network connection module and a foreign exchange fund providing module, wherein the transaction initiating terminal module is connected with a foreign exchange remittance bank terminal module, the transaction receiving terminal module is connected with a foreign exchange remittance bank terminal module, and an inter-line data providing module is arranged between the foreign exchange bank terminal module and the foreign exchange bank terminal module;

the transaction initiating end module is used for initiating cross-border trade transaction requirements and carrying out cross-border financial payment;

the transaction receiving end module is used for supplying trade goods to the transaction initiating end module and receiving the currency of cross-border financial payment;

the payment network connection module is used for connecting the transaction initiating terminal module, the remittance foreign exchange bank terminal module, the interline data providing module, the remittance foreign exchange bank terminal module and the transaction receiving terminal module through a communication network;

the foreign exchange fund providing module is used for providing foreign exchange fund flow for the transaction initiating terminal module and the transaction receiving terminal module.

5. The block chain-based cross-border financial payment settlement system of claim 4, wherein the payment network connection module is a Ripple network connection module.

6. The blockchain-based cross-border financial payment settlement system of claim 4, wherein the foreign exchange fund providing module further comprises a foreign exchange quote module for quoting a provided foreign exchange fund flow.

7. The blockchain-based cross-border financial payment settlement system of claim 6, wherein the transaction initiation module comprises a transaction initiation distributed ledger accounting module and a first foreign exchange offer connector; the transaction initiation distributed account book accounting module is used for distributed accounting of the transaction initiation end module, and the first foreign exchange quotation connector is used for the transaction initiation end module to receive foreign exchange fund flow external quotation provided by the foreign exchange quotation module.

8. The blockchain-based cross-border financial payment settlement system of claim 6, wherein the transaction receiving end module comprises a transaction receiving distributed ledger accounting module and a second foreign report price connector; the transaction receiving distributed account book accounting module is used for distributed accounting of the transaction receiving terminal module; and the second foreign exchange price connector is used for receiving the foreign exchange fund flow external price quoted by the foreign exchange price quoting module through the transaction receiving end module.

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