WO2022100080A1 - Plate-forme de paiement de transaction de devise numérique basée sur une technologie de cœur baas de chaîne de blocs - Google Patents

Plate-forme de paiement de transaction de devise numérique basée sur une technologie de cœur baas de chaîne de blocs Download PDF

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Publication number
WO2022100080A1
WO2022100080A1 PCT/CN2021/098373 CN2021098373W WO2022100080A1 WO 2022100080 A1 WO2022100080 A1 WO 2022100080A1 CN 2021098373 W CN2021098373 W CN 2021098373W WO 2022100080 A1 WO2022100080 A1 WO 2022100080A1
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information
supplier
module
tier
nodes
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PCT/CN2021/098373
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English (en)
Chinese (zh)
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刘天琼
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深圳市爱云信息科技有限公司
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3821Electronic credentials
    • G06Q20/38215Use of certificates or encrypted proofs of transaction rights
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/40Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
    • G06Q20/401Transaction verification
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange

Definitions

  • the invention relates to the technical field of blockchain digital currency, in particular to a digital currency transaction payment platform based on the core technology of blockchain BaaS.
  • the central bank is the coin maker and issuer of digital currency. It can make full use of desensitized data and use big data to analyze the issuance, circulation and storage of currency, and provide guidance for monetary policy regulation and financial stability analysis;
  • the private chain traces the digital currency circulation path, which can effectively trace criminal acts.
  • the invention takes the digital currency blockchain built by the central bank as the underlying technology, and ensures the security, stability and controllability of digital currency transactions between enterprises and suppliers by building a digital currency transaction payment platform with the core technology of blockchain BaaS. It is hidden and cannot be tampered with, which eliminates the time cost of clearing between different payment institutions and can greatly shorten the transaction cycle.
  • the purpose of the present invention is a digital currency transaction payment platform based on the core technology of blockchain BaaS to ensure the security, stability and controllable concealment of digital currency transactions between enterprises and suppliers , It cannot be tampered with, which eliminates the time cost of clearing between different payment institutions, and can greatly shorten the transaction cycle.
  • the present invention provides a digital currency transaction payment platform based on the core technology of blockchain BaaS, including a business party platform, a consortium chain and nodes, and the nodes are used to form blocks.
  • Chain the business side platform is used to support the digital currency transaction process
  • the alliance chain is used to verify, record and monitor the digital currency transaction;
  • the nodes include enterprise nodes, financial institution nodes, information provider nodes, first-level supplier nodes, second-level supplier nodes, and multi-level supplier nodes; the nodes and the alliance chain perform data interaction;
  • the alliance chain includes an application layer and a technical service layer, the application layer is used to provide application services for the business side platform, and the technical service layer is used to provide technical services for the business side platform;
  • the application layer includes Trade information filing module, accounts receivable asset module, trade information query and right confirmation module, on-chain asset traceability module,
  • the technical service layer module includes data encryption module, trusted timestamp service module, smart contract service module, data Query interface module, data storage module, ID card management module.
  • the business side platform includes an enterprise, a first-tier supplier, a second-tier supplier, a multi-tier supplier, and a financial institution.
  • S1 The enterprise signs a contract with the first-tier supplier
  • the first-tier supplier sends an application for accounts receivable assets to the alliance chain;
  • S4 The alliance chain queries the enterprise's accounts receivable asset information, and initiates a query of the enterprise's right confirmation information;
  • the alliance chain sends the account receivable asset issuance information to the first-level supplier according to the accounts receivable asset information and the verification result of the right confirmation information;
  • the first-tier supplier splits the accounts receivable asset issuance information and transfers it to the second-tier supplier, and the second-tier supplier issues the received accounts receivable assets The information is split and transferred to the multi-level suppliers;
  • S7 the first-level supplier and seller, the second-level supplier and seller, and the multi-level supplier and seller send an application for discounting accounts receivable assets to the financial institution;
  • S8 The financial institution and the alliance chain conduct on-chain evidence collection and transfer
  • S9 The financial institution settles with the enterprise upon expiration according to the evidence collection and transfer result obtained from the alliance chain.
  • the trade information filing module is used to save the information of the contract, the information of the enterprise, the information of the first-level supplier, the information of the second-level supplier, and the information of the multi-level supplier. , transaction information between the enterprise and the first-tier supplier, transaction information between the first-tier supplier and the second-tier supplier, and transaction information between the second-tier supplier and the multi-tier supplier .
  • the accounts receivable asset module is configured to save and record the accounts receivable asset application, the accounts receivable asset discount application and the accounts receivable asset issuance information.
  • the trade information query and right confirmation module is used by the financial institution to check the enterprise's right confirmation information, the first-level supplier's right information, and the second-level supplier's right information to the alliance chain.
  • Confirmation information confirmation information of the multi-level supplier, transaction information between the enterprise and the first-tier supplier, transaction information between the first-tier supplier and the second-tier supplier, the Transaction information of the second-tier supplier and the multi-tier supplier.
  • the on-chain asset traceability module is used to trace the transaction assets involved in the transaction contracts between the enterprise, the primary supplier, the secondary supplier and the multi-tier supplier. .
  • the trusted time stamp service module is used to bind the trusted date and time signed by the time stamp server with the specified electronic data, so as to provide a trusted time stamp for the business party platform and the node. Proof of time.
  • the smart contract service module is used to provide the function of smart contract service for the business party platform and the node.
  • the data encryption module, the data query interface module, the data storage module, and the ID card management module are used to provide data encryption, data query interface, and data storage for the business side platform and the node. And the function of ID card management.
  • the beneficial effect of the present invention is that the digital currency transaction payment platform based on the blockchain BaaS core technology provided by the present invention includes a business party platform, a consortium chain and nodes, and the nodes are used to form a blockchain,
  • the business side platform is used to support the digital currency transaction process, and the alliance chain is used to verify, record and monitor digital currency transactions; nodes include enterprise nodes, financial institution nodes, information provider nodes, primary supplier nodes, and secondary supply nodes.
  • the present invention guarantees the security, stability, controllable concealment, and non-tampering of digital currency transactions between enterprises and suppliers, eliminating the need for different The time cost of clearing between payment institutions can greatly shorten the transaction cycle.
  • FIG. 1 is a system structure diagram of a digital currency transaction payment platform based on the core technology of blockchain BaaS provided by an embodiment of the present invention.
  • FIG. 2 is a transaction process between the business side platform and the alliance chain of the digital currency transaction payment platform based on the blockchain BaaS core technology provided by the embodiment of the present invention.
  • P2P network peer-to-peer transactions, no intermediaries;
  • Distributed storage The information of all nodes is unified, and transactions cannot be tampered with. To modify the information of one node, other nodes need to modify it together;
  • Consensus algorithm (consensus mechanism): to achieve automatic network consensus;
  • Smart contract is a computer protocol designed to disseminate, verify or execute contracts in an information-based manner. Smart contracts allow trusted transactions without a third party.
  • the digital form of smart contracts makes smart contracts must be written into a computer that can In the code read, as long as the participants reach an agreement, the rights and obligations established by the smart contract are executed by the computer or computer network, and all users on the blockchain can see the smart contract based on the blockchain;
  • Symmetric encryption algorithm is an encryption algorithm with earlier application and mature technology.
  • the data sender processes the original data and the key together with a special encryption algorithm, and turns it into a complex encrypted ciphertext to send out.
  • the data receiver needs to use the key and the inverse algorithm of the same encryption algorithm to decrypt the ciphertext and restore it to readable original data.
  • the present invention provides a digital currency transaction payment platform based on the core technology of blockchain BaaS, including a business side platform, a consortium chain and nodes, the nodes are used to form a block chain, and the business side platform is used to support digital currency Transaction process, the alliance chain is used to verify, record and monitor digital currency transactions;
  • Nodes include enterprise nodes, financial institution nodes, information provider nodes, first-level supplier nodes, second-level supplier nodes, and multi-level supplier nodes; data exchanges between nodes and alliance chains;
  • the alliance chain includes an application layer and a technical service layer.
  • the application layer is used to provide application services for the business side platform, and the technical service layer is used to provide technical services for the business side platform;
  • the application layer includes the trade information filing module, accounts receivable asset module, Trade information query and right confirmation module, on-chain asset traceability module, and technical service layer modules include data encryption module, trusted timestamp service module, smart contract service module, data query interface module, data storage module, and ID card management module.
  • the digital currency transaction payment platform based on the core technology of blockchain BaaS includes a business side platform, a consortium chain and nodes.
  • the nodes are used to form the blockchain, the business side platform is used to support the digital currency transaction process, and the alliance chain is used. It is used to verify, record and monitor digital currency transactions; nodes include enterprise nodes, financial institution nodes, information provider nodes, first-level supplier nodes, second-level supplier nodes, and multi-level supplier nodes; nodes and alliance chains Data exchange between enterprises and suppliers; the invention guarantees the security, stability, controllable concealment, and non-tampering of digital currency transactions between enterprises and suppliers, eliminating the time cost of clearing between different payment institutions, and can greatly shorten the transaction cycle.
  • the business-side platform includes an enterprise, a first-tier supplier, a second-tier supplier, a multi-tier supplier, and a financial institution.
  • the transaction process between the business side platform and the alliance chain is as follows:
  • S1 The enterprise signs a contract with a first-tier supplier
  • S2 The enterprise transmits the contract to the alliance chain
  • the first-tier supplier sends an application for accounts receivable assets to the alliance chain;
  • S4 The alliance chain queries the enterprise's accounts receivable asset information, and initiates the query of the enterprise's confirmation information
  • the alliance chain sends the accounts receivable asset issuance information to the first-level suppliers according to the audit results of the accounts receivable asset information and the confirmation information;
  • S6 The first-tier supplier splits the accounts receivable asset issuance information and transfers it to the second-tier supplier, and the second-tier supplier splits and transfers the received accounts receivable asset issuance information to the multi-tier suppliers. ;
  • S8 Financial institutions and alliance chains conduct on-chain evidence collection and transfer
  • the trade information filing module is used to save contract information, enterprise information, first-tier supplier information, second-tier supplier information, multi-tier supplier information, enterprise and first-tier suppliers Transaction information between suppliers, transaction information between first-tier suppliers and second-tier suppliers, and transaction information between second-tier suppliers and multi-tier suppliers.
  • the accounts receivable asset module is used for saving and recording accounts receivable asset applications, accounts receivable asset discount applications, and accounts receivable asset issuance information.
  • the trade information query and right confirmation module is used by financial institutions to check the enterprise's right information, the first-level supplier's right information, the second-level supplier's right information, multi-level Supplier confirmation information, transaction information between enterprises and first-tier suppliers, transaction information between first-tier suppliers and second-tier suppliers, and transaction information between second-tier suppliers and multi-tier suppliers.
  • the on-chain asset traceability module is used to trace the source of the transaction assets involved in the transaction contract between the enterprise, the primary supplier, the secondary supplier and the multi-tier supplier.
  • the trusted time stamp service module is used to bind the trusted date and time signed by the time stamp server with the specified electronic data, so as to provide trusted time stamps for the business party platform and nodes. Proof of time.
  • the smart contract service module is used to provide the function of smart contract service for the business party platform and nodes.
  • the data encryption module, data query interface module, data storage module, and ID card management module are used to provide data encryption, data query interface, data storage, and ID card management functions for business-side platforms and nodes. .

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  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Accounting & Taxation (AREA)
  • Finance (AREA)
  • Physics & Mathematics (AREA)
  • Strategic Management (AREA)
  • General Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Development Economics (AREA)
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Abstract

La présente invention concerne une plate-forme de paiement de transaction de devise numérique basée sur une technologie de cœur BaaS de chaîne de blocs, comprenant une plate-forme de partie commerciale, une chaîne d'alliance et des nœuds. Les nœuds sont utilisés pour construire une chaîne de blocs; la plate-forme de partie commerciale est utilisée pour prendre en charge un processus de transaction de monnaie numérique; la chaîne d'alliance est utilisée pour réaliser la vérification, l'enregistrement et la surveillance d'une transaction de devise numérique; les nœuds comprennent un nœud d'entreprise, un nœud d'institution financière, un nœud de fournisseur d'informations, un nœud de fournisseur de premier niveau, un nœud de fournisseur de second niveau et un nœud de fournisseur multi-niveau; et une interaction de données est effectuée entre les nœuds et la chaîne d'alliance. La présente invention assure la sécurité, la stabilité, des performances de masquage contrôlables et une résistance à la fraude de la transaction de devise numérique effectuée entre une entreprise et un fournisseur, et évite le coût temporel d'un règlement effectué entre différentes institutions de paiement et peut ainsi écourter considérablement une période de transaction.
PCT/CN2021/098373 2020-11-11 2021-06-04 Plate-forme de paiement de transaction de devise numérique basée sur une technologie de cœur baas de chaîne de blocs WO2022100080A1 (fr)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112215610A (zh) * 2020-11-11 2021-01-12 深圳市爱云信息科技有限公司 基于区块链BaaS核心技术的数字货币交易支付平台
CN115811442A (zh) * 2023-02-09 2023-03-17 上海特高信息技术有限公司 一种基于积木形式的联盟链BaaS平台搭建方法
CN115965388B (zh) * 2022-12-30 2023-12-22 国网数字科技控股有限公司 基于区块链的产业链金融密态溯源方法、装置及相关设备
CN117635021A (zh) * 2023-12-06 2024-03-01 广州尚捷智慧云网络科技有限公司 一种基于数字化服务的供应链管理平台

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113269544A (zh) * 2021-05-26 2021-08-17 杭州云象网络技术有限公司 基于联盟链的利率互换平台及利率交换方法
CN115271741A (zh) * 2022-08-03 2022-11-01 国网江苏省电力有限公司南通供电分公司 基于区块链技术的电力基建费用智能支付***及方法
CN117372019B (zh) * 2023-12-01 2024-03-12 青岛民航凯亚***集成有限公司 一种基于区块链平台联盟链的民航机场结算***及方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109493235A (zh) * 2018-12-29 2019-03-19 杭州趣链科技有限公司 一种基于区块链的供应链金融***及其构建方法
WO2019209889A2 (fr) * 2018-04-23 2019-10-31 Dan Kikinis Système et procédé améliorés de transaction de paiement international
CN111415250A (zh) * 2020-04-30 2020-07-14 中国银行股份有限公司 基于区块链的应收账款管理方法、装置、存储介质及设备
CN111612609A (zh) * 2020-05-26 2020-09-01 江苏苏宁银行股份有限公司 一种基于区块链的应收账款质押融资方法、装置、计算机设备及存储介质
CN112215610A (zh) * 2020-11-11 2021-01-12 深圳市爱云信息科技有限公司 基于区块链BaaS核心技术的数字货币交易支付平台

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111260473A (zh) * 2020-01-17 2020-06-09 深圳前海点金保理有限公司 基于区块链技术的供应链金融平台***
CN111461709B (zh) * 2020-03-03 2023-03-31 深圳市爱云信息科技有限公司 基于区块链BaaS平台的智慧金融跨境支付数字货币解决方法
CN111798226B (zh) * 2020-06-12 2024-01-19 杭州云象网络技术有限公司 一种基于区块链的数字货币跨境支付方法与***

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019209889A2 (fr) * 2018-04-23 2019-10-31 Dan Kikinis Système et procédé améliorés de transaction de paiement international
CN109493235A (zh) * 2018-12-29 2019-03-19 杭州趣链科技有限公司 一种基于区块链的供应链金融***及其构建方法
CN111415250A (zh) * 2020-04-30 2020-07-14 中国银行股份有限公司 基于区块链的应收账款管理方法、装置、存储介质及设备
CN111612609A (zh) * 2020-05-26 2020-09-01 江苏苏宁银行股份有限公司 一种基于区块链的应收账款质押融资方法、装置、计算机设备及存储介质
CN112215610A (zh) * 2020-11-11 2021-01-12 深圳市爱云信息科技有限公司 基于区块链BaaS核心技术的数字货币交易支付平台

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
CHEN, JIAO: "Research on the Optimization of Supply Chain Financial Services Under Block Chain Technology", CHINESE MASTER’S THESES FULL-TEXT DATABASE, INFORMATION SCIENCE AND TECHNOLOGY, 8 May 2019 (2019-05-08), pages 1 - 80, XP055931711, [retrieved on 20220615] *
CHEN, LIUFANG: "Application of Blockchain Technology in Supply Chain Financial Business", CHINESE MASTER'S THESES FULL-TEXT DATABASE, INFORMATION TECHNOLOGY, 15 January 2020 (2020-01-15), pages 1 - 2, XP055931715, [retrieved on 20220615] *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112215610A (zh) * 2020-11-11 2021-01-12 深圳市爱云信息科技有限公司 基于区块链BaaS核心技术的数字货币交易支付平台
CN115965388B (zh) * 2022-12-30 2023-12-22 国网数字科技控股有限公司 基于区块链的产业链金融密态溯源方法、装置及相关设备
CN115811442A (zh) * 2023-02-09 2023-03-17 上海特高信息技术有限公司 一种基于积木形式的联盟链BaaS平台搭建方法
CN115811442B (zh) * 2023-02-09 2023-05-05 上海特高信息技术有限公司 一种基于积木形式的联盟链BaaS平台搭建方法
CN117635021A (zh) * 2023-12-06 2024-03-01 广州尚捷智慧云网络科技有限公司 一种基于数字化服务的供应链管理平台
CN117635021B (zh) * 2023-12-06 2024-05-17 广州尚捷智慧云网络科技有限公司 一种基于数字化服务的供应链管理平台

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