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1. WO2019200765 - SYSTEM AND CORRESPONDING METHOD FOR REALIZING MAPPING OF DIGITAL ASSET ON MAPPING CHAIN BASED ON DISTRIBUTED TECHNIQUE

Publication Number WO/2019/200765
Publication Date 24.10.2019
International Application No. PCT/CN2018/096215
International Filing Date 19.07.2018
IPC
G06Q 20/38 2012.1
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
CPC
G06Q 20/065
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
04Payment circuits
06Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
065using e-cash
G06Q 20/0658
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
04Payment circuits
06Private payment circuits, e.g. involving electronic currency used among participants of a common payment scheme
065using e-cash
0658e-cash managed locally
G06Q 20/3674
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
30characterised by the use of specific devices ; or networks
36using electronic wallets or electronic money safes
367involving electronic purses or money safes
3674involving authentication
G06Q 20/3829
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
20Payment architectures, schemes or protocols
38Payment protocols; Details thereof
382insuring higher security of transaction
3829involving key management
G06Q 40/04
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
40Finance; Insurance; Tax strategies; Processing of corporate or income taxes
04Exchange, e.g. stocks, commodities, derivatives or currency exchange
H04L 9/085
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
9Cryptographic mechanisms or cryptographic; arrangements for secret or secure communication
08Key distribution ; or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
085Secret sharing or secret splitting, e.g. threshold schemes
Applicants
  • 上海分赋信息科技有限公司 SHANGHAI FENFU INFORMATION TECHNOLOGY CO., LTD. [CN]/[CN]
Inventors
  • 钱德君 QIAN, Dejun
  • 何曌君 HE, Zhaojun
  • 许国昌 XU, Guochang
  • 蒋斌 JIANG, Bin
  • 罗希 LUO, Xi
Agents
  • 上海智信专利代理有限公司 SHANGHAI ZHI XIN PATENT AGENT LTD.
Priority Data
201810339305.316.04.2018CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) SYSTEM AND CORRESPONDING METHOD FOR REALIZING MAPPING OF DIGITAL ASSET ON MAPPING CHAIN BASED ON DISTRIBUTED TECHNIQUE
(FR) SYSTÈME ET PROCÉDÉ CORRESPONDANT POUR RÉALISER UNE MISE EN CORRESPONDANCE D'UN ACTIF NUMÉRIQUE SUR UNE CHAÎNE DE MAPPAGE SUR LA BASE D'UNE TECHNIQUE DISTRIBUÉE
(ZH) 基于分布式技术实现数字资产在映射链上的映射系统及相应方法
Abstract
(EN) The present invention relates to a system and corresponding method for realizing mapping of a digital asset on a mapping chain based on a distributed technique. The system comprises a mapping chain and at least two public chains; the mapping chain generates a fragmented private key based on the distributed technique and completes the distributed custody of each fragmented private key, and completes cross-chain communication between the at least two public chains by means of locking and unlocking the digital asset in the at least two public chains. Using the system and corresponding method for realizing mapping of a digital asset on a mapping chain based on a distributed technique in the present invention, different methods of mapping a digital asset are supported so that different sorts of currencies can be mapped onto the same mapping chain in a more innovative way; and there is no need to make any modification to the at least two public chains, so that tokens can realize a multi-currency smart contract on the same chain, greatly improving the interoperability of the Internet of Value and serving as infrastructure of encrypted finance.
(FR) La présente invention concerne un système et un procédé correspondant pour réaliser une mise en correspondance d'un actif numérique sur une chaîne de mappage sur la base d'une technique distribuée. Le système comprend une chaîne de mappage et au moins deux chaînes publiques; la chaîne de mappage génère une clé privée fragmentée sur la base de la technique distribuée et complète la garde distribuée de chaque clé privée fragmentée, et achève la communication en chaîne croisée entre les au moins deux chaînes publiques au moyen d'un verrouillage et d'un déverrouillage de l'actif numérique dans lesdites au moins deux chaînes publiques. À l'aide du système et du procédé correspondant pour réaliser une mise en correspondance d'un actif numérique sur une chaîne de mappage sur la base d'une technique distribuée dans la présente invention, différents procédés de mappage d'un bien numérique sont pris en charge de telle sorte que différentes sortes de devises peuvent être mappées sur la même chaîne de mappage d'une manière plus innovante; et il n'est pas nécessaire de modifier lesdites deux chaînes publiques, de sorte que les jetons peuvent réaliser un contrat intelligent multi-devises sur la même chaîne, améliorant ainsi considérablement l'interopérabilité de l'Internet de valeur et servant d'infrastructure de financement chiffrée.
(ZH) 本发明涉及一种基于分布式技术实现数字资产在映射链上的映射系统及相应方法,其中该系统包括映射链和至少两个公有链,所述映射链基于分布式技术生成分片的私钥并完成对各分片私钥的分布式保管,以及通过对所述至少两个公有链中数字资产的锁定和解锁,完成所述至少两个公有链之间的跨链通信。采用了该发明中的基于分布式技术实现数字资产在映射链上的映射系统及相应方法,支持不同数字资产的映射方法以一种更加创新的方式让不同币种都能映射到一条映射链上,并且无需上述至少两个公有链做任何改动,从而可以使这些代币在同一条链上实现多币种智能合约,极大的提高价值互联网的互通性,并成为加密金融的基础设施。
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