Consortium chain-based digital bill trading system construction method

A technology of transaction system and construction method, applied in the field of construction of digital bill transaction system based on alliance chain, can solve the problems of cumbersome reconciliation work, high operation and optimization cost, low system security and reliability, etc., to prevent moral hazard. and operational risks, avoiding repeated pledges or partnering crimes, and improving reliability and security

Inactive Publication Date: 2017-05-31
HANGZHOU YUNXIANG NETWORK TECH
6 Cites 106 Cited by

AI-Extracted Technical Summary

Problems solved by technology

The ECDS system suppresses operational risks such as fraud and forgery in the paper ticket business to a certain extent, but it also has some serious problems
First, the system access cost is high and the access conditions are strict. The access parties are mainly state-owned banks, joint-stock commercial banks, large city commercial banks and large financial companies, etc., and it is difficult for sm...
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Method used

The present invention can effectively reduce the cost of construction, access and maintenance of the traditional centralized system, greatly improve the reliability of the system, and multiple parties participate in the joint maintenance and shared transaction ledger, avoiding the repeated recording of data in the centralized system, eliminating the need for The reconciliation work is simplified; the blockchain uses an asymmetric encryption algorithm to shield transaction data, and non-stakeholders cannot view it, which can effectively protect business secrets.
The present invention is constructed through the above steps to obtain a digital bill transaction system based on the alliance chain, which first applies blockchain technology to the field of bill business, the system adopts a distributed architecture, and utilizes the non-tamperable features of the blockchain to effectively solve bill transactions. The trust issue in the transaction realizes point-to-point value exchange.
[0050] The whole process only needs to be completed online through the block chain client interface, and the operation is simple.
[0070] The ...
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Abstract

The invention discloses a consortium chain-based digital bill trading system construction method, which develops a brand-new bill display form, namely, a digital bill in combination with existing bill attributes, laws and regulations and market by taking a consortium chain as technical support. Compared with an existing electronic bill, the digital bill is totally different from the electronic bill in technical framework, not only has all functions and advantages of the electronic bill but also fuses the advantages of a block chain technology, and is a securer, more intelligent, more convenient and more promising bill form. In addition, the block chain technology is applied to the field of bill businesses for the first time; a unified standard bill trading platform is established; the problems of trade background forgery, bill authenticity authentication failure, paper bill multi-time selling, non-synchronous electronic bill discounting and bill endorsing, and the like are solved; and various risks are effectively managed, controlled and prevented.

Application Domain

Technology Topic

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  • Consortium chain-based digital bill trading system construction method
  • Consortium chain-based digital bill trading system construction method
  • Consortium chain-based digital bill trading system construction method

Examples

  • Experimental program(1)

Example Embodiment

[0041] In order to describe the present invention in more detail, the technical solution of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[0042] The present invention proposes a digital bill transaction system based on the alliance chain. The system uses the alliance chain as a technical support and combines existing bill attributes, regulations and markets to develop a brand-new bill display form—digital bills. Compared with the existing electronic bills, it has a completely different technical structure. It not only has all the functions and advantages of electronic bills, but also integrates the advantages of blockchain technology. It is safer, smarter, more convenient and more promising. The form of the bill. The specific construction method of the system is as follows:
[0043] (1) Establish a bill blockchain alliance.
[0044] Such as figure 1 As shown, the parties and regulatory agencies in the bill transaction form a blockchain alliance. The regulatory agencies are the central bank and the China Banking Regulatory Commission, and the participants include banking financial institutions, non-bank financial institutions and other participants. Among them, banking financial institutions include commercial banks, rural credit cooperatives, and rural banks. Non-bank financial institutions include financial companies, securities firms, funds, insurance, trusts, asset management, etc., and other participants include clearing institutions, currency brokerage companies, enterprises, and wealth management. Companies, small loan companies, etc.
[0045] The specific construction steps of the bill blockchain alliance are as follows:
[0046] Step1: The central bank and the China Banking Regulatory Commission join and run the blockchain network as supervisory nodes, and the network allocates a pair of secret keys (public key and private key) for each;
[0047] Step2: Participating institutions submit application materials to the central bank, including but not limited to institution name, institution code, registration time, legal person name, legal person identity information, etc.;
[0048] Step3: After the central bank review materials are passed, participating institutions become nodes of the blockchain network (SMEs can also only register accounts);
[0049] Step4: The blockchain network generates a pair of secret keys (public key and private key) for the joining nodes, and writes the information of each node (application materials, public key, time stamp) into the blockchain.
[0050] The whole process only needs to be completed online through the blockchain client interface, and the operation is simple.
[0051] (2) Digitalization of bills.
[0052] Basis as figure 2 The bill transaction process shown is coordinated, organized, and coordinated by the People's Bank of China, with alliance nodes participating together to formulate a unified bill digital specification. The specific implementation steps are as follows:
[0053] Step1: Organized by the central bank, all nodes of the alliance jointly formulate digital specifications for bills (including drafts, promissory notes, and checks);
[0054] Step2: In accordance with the digital standard of bills, the alliance jointly designs smart contracts for bill issuance, acceptance, endorsement transfer, discounting, rediscounting, rediscounting, maturity collection, pledge, and depledge;
[0055] Step3: After testing and confirming that the bill smart contract has no loopholes, it is deployed on the blockchain;
[0056] Step4: When the old contract becomes invalid, the central bank will issue a new contract, and after the alliance nodes jointly confirm it, a complete consensus algorithm will generate a new block and write it into the blockchain.
[0057] (3) Asymmetric encryption protects privacy and enables transaction data to be written to the blockchain.
[0058] Such as image 3 As shown, the node calls the bill contract and broadcasts the contract to other participating nodes in the network. The other participating nodes generate new blocks according to a certain consensus mechanism and write them into the blockchain; the specific steps of the process are as follows:
[0059] Step1: Node i calls the transaction contract, and encrypts the contract with an asymmetric encryption algorithm, so that only related parties can view it;
[0060] Step2: Node i uses the hash algorithm to generate the digital fingerprint of the encrypted contract, and then signs it with the private key;
[0061] Step3: Node i broadcasts the encrypted contract, public key and signature to the blockchain network;
[0062] Step4: The network participating nodes use the public key to verify the signature. After the verification is passed, it is confirmed that the contract is called by node i. At the same time, the encrypted contract is block-encapsulated and written into the blockchain according to a certain consensus mechanism.
[0063] (4) Bill transaction supervision.
[0064] The central bank and the China Banking Regulatory Commission, as regulatory nodes, have super authority. Both encrypted and non-encrypted data can be accessed in real time through the blockchain, and industry policies and regulatory systems are formulated accordingly to further regulate the bill market.
[0065] (5) Personal and corporate user access.
[0066] Companies can choose to be a node of the blockchain alliance, or just register an account through the client, or access the system through the account opening bank. After access, enterprises can inquire, issue, transfer, and purchase bills.
[0067] Individuals can choose banks, financial institutions, wealth management platforms, etc. to access the system. After accessing, you can sign and issue cheques and conduct bill financing.
[0068] The present invention constructs a digital bill transaction system based on the alliance chain through the above steps. It applies blockchain technology to the bill business field for the first time. The system adopts a distributed architecture and uses the features of the blockchain to effectively solve the problem of bill transactions. The issue of trust realizes the point-to-point value exchange.
[0069] The invention can effectively reduce the construction, access and maintenance costs of the traditional centralized system, greatly improve the reliability of the system, and multiple parties participate in the joint maintenance and sharing of the transaction ledger, avoiding repeated recording of data in the centralized system, and eliminating the need for reconciliation Work; Blockchain uses an asymmetric encryption algorithm to shield transaction data and cannot be viewed by non-interested parties, which can effectively protect business secrets.
[0070] The digital bill transaction system of the present invention can trace all processes from bill issuance to collection, and the ownership is clear. Once a legal dispute occurs, related rights can be conveniently exercised and recourse; the application of smart contracts makes bill transactions more controllable without offline Contract guarantees, to avoid defaults in execution, and to ensure that the accounts are consistent; the system uses the auditability of the blockchain, and the supervisory node can efficiently and conveniently supervise transactions, eliminating the need for tedious on-site manual review work; the system uses blocks The chain’s immutability is not tamperable, and the participants’ breach of contract is announced to avoid the situation that no one knows after the breach of contract, which increases the cost of default; the system digitizes the bills and completes all transactions online, avoiding multi-party review, which is very convenient and efficient. A safe, reliable and efficient way of sharing bill transaction data.
[0071] The above description of the embodiments is to facilitate those of ordinary skill in the art to understand and apply the present invention. Those skilled in the art can obviously easily make various modifications to the above-mentioned embodiments, and apply the general principles described here to other embodiments without creative work. Therefore, the present invention is not limited to the above-mentioned embodiments. According to the disclosure of the present invention, those skilled in the art should make improvements and modifications to the present invention within the protection scope of the present invention.
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