CN106850538A - Block chain route access system and method - Google Patents

Block chain route access system and method Download PDF

Info

Publication number
CN106850538A
CN106850538A CN201611108544.5A CN201611108544A CN106850538A CN 106850538 A CN106850538 A CN 106850538A CN 201611108544 A CN201611108544 A CN 201611108544A CN 106850538 A CN106850538 A CN 106850538A
Authority
CN
China
Prior art keywords
block chain
access system
block
route access
route
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611108544.5A
Other languages
Chinese (zh)
Other versions
CN106850538B (en
Inventor
王宝兴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CICC Data Group Co.,Ltd.
Original Assignee
Gold Cloud Finance (beijing) Big Data Polytron Technologies Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gold Cloud Finance (beijing) Big Data Polytron Technologies Inc filed Critical Gold Cloud Finance (beijing) Big Data Polytron Technologies Inc
Priority to CN201611108544.5A priority Critical patent/CN106850538B/en
Publication of CN106850538A publication Critical patent/CN106850538A/en
Application granted granted Critical
Publication of CN106850538B publication Critical patent/CN106850538B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities
    • 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
    • G06Q20/4014Identity check for transactions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00Routing or path finding of packets in data switching networks
    • H04L45/02Topology update or discovery
    • H04L45/10Routing in connection-oriented networks, e.g. X.25 or ATM

Abstract

The invention discloses a kind of block chain route access system and method, the system includes the bottom link block, middle level service module and the high-level interface module that communicate to connect successively, wherein, bottom link block is used to be connected to several block chains in block chain route access system;Middle level service module is used to set up neutral agreement to realize the stream compression from several block chains between several block chains being connected in block chain route access system;High-level interface module is connected with several user terminals, and the instruction that it is used to receive several user terminals between any one user terminal and any one the block chain being connected to during block chain route access system to set up data cube computation.

Description

Block chain route access system and method
Technical field
The present invention relates to distributing network techniques field, more particularly to a kind of distributed network route access system and side Method.
Background technology
Block chain is the authentic data storehouse that a decentralization goes to the collective for trusting to safeguard, distributed network is block chain Infrastructure, the data produced on each node are broadcast to other nodes by distributed network, and other nodes pass through workload Prove to verify the authenticity of data.Distributed network ensures block chain decentralization, can not distort, characteristic can be recalled before Carry.For example, in bit coin network, just because of being distributed in the checking node in the whole world, just causing the workload card of bit coin Bright mechanism gets the nod, and also just allows it was recognized that the value of block chain.
Distributed network is the basis of block chain, the identical and each node being connected in distributed network is stored with Data trade is recorded, that is, each nodes records identical " account " is the main feature of block chain, it is ensured that the whole network " account ", data just must be at any time synchronized to each node, and ensure that the uniformity of data.
At present, there is the block platform chain of numerous record different content data on the market, these block platform chains record all As digital asset, trade finance, equity bond, supply chain is traced to the source, business is integrated, united credit verification, publicity notarization, electronic invoice, And the different data such as data safety, and in the block platform chain of these numerous kinds, it is impossible to ensure that each block chain is put down The functional localization of platform is identical, it is all if any block chain support intelligent contract, and some block chains do not support intelligent contract, have Block chain specially do authentication, some block chains do not support authentication then.
Thus, these block chains with difference in functionality are joined together, while do not influence the operation of original block chain again, The more complete block catenary system of function is formed, then can realize the mutual supplement with each other's advantages of the block chain of various difference in functionalitys, when needing to adjust It is during with the data recorded in different blocks platform chain, then more safe and convenient.
Therefore it provides it is a kind of can realize accessing multiple block chains and the block chain route of uniform service interface can be provided connect Entering system and its cut-in method turns into urgent problem in the industry.
The content of the invention
It is an object of the invention to provide a kind of block chain route access system and its cut-in method, it can not only be realized The connection of the block chain of multiple different shapes and function, while the test and appraisal of block chain can also be realized, uniform traffic interface is easy to Data message needed for party in request's collection.
First purpose of the invention is to provide a kind of block chain route access system, and it includes what is communicated to connect successively Bottom link block, middle level service module and high-level interface module, wherein, bottom link block is used for several block chains It is connected in block chain route access system;Middle level service module is used for some in block chain route access system is connected to Neutral agreement is set up between individual block chain to realize the stream compression from several block chains;High-level interface module and several User terminal is connected, the instruction that it is used to receive several user terminals so as to any one user terminal be connected to area Data cube computation is set up between any one block chain in block chain route access system.
Wherein, the operation side of user terminal can be stock exchange, insurance company, financial institution, credit information service of enterprise And the business personnel or user of transport body etc..The data shape recorded in block chain can be digital asset, trade finance, stock Power bond, supply chain is traced to the source, business is integrated, united credit verification, publicity are notarized and electronic invoice etc..
Selectively, middle level service module includes:Conversion unit of protocol and bridge interface unit, wherein, protocol conversion list Unit is for the instruction according to any one user terminal with by from a block being connected in block chain route access system Another block chain is docked and/or be transferred to data in chain;Bridge interface unit is used for according to any one user terminal Instruct to extract and/or be transferred to another from the data in a block chain being connected in block chain route access system Individual block chain.
Selectively, middle level service module also includes:Identification authenticating unit, it is used to be accessed to being connected to block chain route Each block chain in system provides unified ID authentication mechanism.
Selectively, ID authentication mechanism includes identification, proof of identity and Identity Management.
Selectively, Identity Management includes being connected to newly-increased block chain in block chain route access system and to even Any one the block chain being connected in block chain route access system is deleted or freezed.
Selectively, middle level service module also includes:Condition monitoring unit, it is used to be accessed to being connected to block chain route Each block chain in system is monitored early warning, and monitoring report is made in timing.
Selectively, middle level service module also includes:Block chain test and appraisal unit, it is used to be connect to being connected to block chain route The transactions velocity and security for entering each block chain in system are periodically tested and assessed.
The most important two indices that block chain carrying out in actual applications is tested and assessed are respectively transactions velocity and security.Tool For body, such as, because the reason for mechanism, can carry out within one second 7 coin transaction, subsequent occurrences of lightning network may for bit coin Compensate for this defect.Technology is evolving, and in finance, the field such as pays, and excellent with the comparing of traditional distributed system Gesture aspect, transactions velocity is an important index.And in the system of decentralization, how to ensure that " honeysuckle " problem will not be sent out It is raw, how to ensure that the data of oneself will not be seen by other people, what future restriction block chain developed is likely to safety problem, main Want facing challenges including algorithm security, protocol safety, safety in utilization, realize security, security of system etc..
Second object of the present invention is to provide a kind of cut-in method that access system is route such as above-mentioned block chain, its bag Include:Several block chains are connected in block chain route access system;Set up between several block chains neutral agreement with Realize the stream compression from several block chains;And sent out according to the user terminal being connected with block chain route access system The instruction for going out, builds between any one user terminal and any one the block chain being connected to during block chain route access system Vertical data cube computation.
Selectively, stream compression includes:By from a block chain being connected in block chain route access system Data docked, shifted, extracted and preserved to another block chain.
Selectively, setting up neutral agreement includes:Each block chain to being connected in block chain route access system is carried For unified ID authentication mechanism, it is monitored early warning, regularly makes monitoring report, and is accessed to being connected to block chain route The transactions velocity and security of each block chain in system are periodically tested and assessed.
The beneficial effects of the invention are as follows:(1) interconnection for, realizing multiple block chains of different shape and difference in functionality is mutual It is logical, and across the stream compression of chain;(2), communicate introducing safety communication technology between block chain and block chain, has ensured data flow The security for turning;(3) different business application, is can access, according to the different block chain of different application graftings, business is built and is opened The ecosphere;(4) evaluation and test of block chain, business interface unification, for the application and popularization of block chain provide convenience, are realized.
Brief description of the drawings
Fig. 1 is the organigram that block chain of the invention route access system.
Fig. 2 is the schematic flow sheet of the cut-in method of block chain route access system of the invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
First, refer to Fig. 1, as a kind of non-limiting example, block chain route access system of the invention include according to The bottom link block 100 of secondary communication connection, middle level service module 200 and high-level interface module 300.
Wherein, bottom link block 100 is by block chain A, block chain B, the block of be stored with different shape and performance data Chain C, block chain D ... block chains N are connected in block chain route access system.Middle level service module 200 then can be in block chain Neutral agreement is set up between A, block chain B, block chain C, block chain D ... block chains N, so as to realize stream compression.Upper strata connects Mouth mold block 300 is then connected with user terminal A, user terminal B, user terminal C ... user terminals N, such that it is able to receive this The instruction of a little user terminals, so as in any one user terminal and any one being connected to during block chain route access system Data cube computation is set up between block chain.Thus, block chain route access system of the invention can link the block of different shape Chain, and by using neutral agreement, realizing the stream compression across chain.Meanwhile, the use with different business application of access Family terminal can select which kind of block chain used, according to the different block chain of different application graftings.
Specifically, middle level service module 200 includes:Conversion unit of protocol 201, bridge interface unit 202 and identity are recognized Card unit 203.
In this nonlimiting, conversion unit of protocol 201 can be according to any one user terminal, such as user The instruction of terminal A, will dock or be transferred in block chain B from the data in block chain A.And bridge interface unit 202 then may be used According to any one user terminal, the such as instruction of user terminal B, will be extracted from the data being connected in block chain C or turned In moving to block chain D.
Each block chain that identification authenticating unit 203 pairs is connected in block chain route access system provides unified identity Authentication mechanism, specifically, including identification, proof of identity and Identity Management, increase, delete or freeze any newly in system During block chain, there is provided while convenient, communicate introducing safety communication technology between chain and chain, ensures data safety, also enters one Step ensure that the security reliability of data.
Used as a kind of alternative implementation method, middle level service module 200 also includes:Condition monitoring unit 204, it can be with Each block chain to being connected in block chain route access system is monitored early warning, and monitoring report is made in timing.
Used as another alternative implementation method, middle level service module 200 also includes:Block chain test and appraisal unit 205, its The transactions velocity and security that are connected to each block chain that block chain is route in access system can periodically be tested and assessed.
Based on same thought, present invention also offers the cut-in method that block chain route access system, as shown in Fig. 2 In step sl, several block chains are connected in block chain route access system.Then, in step s 2, at several Neutral agreement is set up between block chain to realize the stream compression from several block chains.Finally, in step s3, according to The instruction that the block chain route user terminal that is connected of access system sends, any one user terminal be connected to block chain Data cube computation is set up between any one block chain in route access system.
In this nonlimiting, stream compression includes:By from be connected to block chain route access system in Data in one block chain are docked, are shifted, extracted and preserved to another block chain.And set up neutral agreement and then wrap Include:Each block chain to being connected in block chain route access system provide unified ID authentication mechanism, be monitored it is pre- It is alert, regularly make monitoring report and the transactions velocity of each block chain to being connected in block chain route access system and Security is periodically tested and assessed.
Thus, when access system is route using block chain of the invention, 1) user can be according to the need for itself, selection Which kind of block chain used;2) each block chain has the interface of support;3) bridge interface of block chain, can be different with inside docking Block chain, but externally provide unified interface;4) can realize that block chain is evaluated and tested, its security is tested and assessed;5) provide Unified authentication, so as to provide unified identity authentication service to each block chain.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means that combining the embodiment or specific features, structure or the feature of example description includes In at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term necessarily pin To be identical embodiment or example.Additionally, in the case of not conflicting, those skilled in the art can say this The feature of different embodiments or example and different embodiments or example described in bright book is combined/combines.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (10)

1. a kind of block chain route access system, it is characterised in that including the bottom link block, the middle level clothes that communicate to connect successively Business module and high-level interface module,
Wherein, the bottom link block is used to be connected to several block chains in the block chain route access system;
The middle level service module be used for several block chains described in block chain route access system is connected to it Between neutral agreement is set up to realize the stream compression from several block chains;
The high-level interface module is connected with several user terminals, its instruction for being used to receive several user terminals To be built between any one user terminal and any one the block chain being connected to during the block chain route access system Vertical data cube computation.
2. block chain as claimed in claim 1 route access system, it is characterised in that the middle level service module includes:Association View converting unit and bridge interface unit,
Wherein, the conversion unit of protocol is used for according to the instruction of any one user terminal with will be from being connected to the block Another block chain is docked and/or be transferred to the data in a block chain in chain route access system;
The bridge interface unit is used for according to the instruction of any one user terminal with will be from being connected to the block link Extracted by the data in a block chain in access system and/or be transferred to another block chain.
3. block chain as claimed in claim 2 route access system, it is characterised in that the middle level service module also includes: Identification authenticating unit, it is used to provide unified identity to each block chain being connected in the block chain route access system Authentication mechanism.
4. block chain as claimed in claim 3 route access system, it is characterised in that the ID authentication mechanism includes identity Identification, proof of identity and Identity Management.
5. block chain as claimed in claim 4 route access system, it is characterised in that the Identity Management is included newly-increased area Block chain is connected in block chain route access system and any in the block chain route access system to being connected to One block chain is deleted or freezed.
6. block chain as claimed in claim 3 route access system, it is characterised in that the middle level service module also includes: Condition monitoring unit, it is used to be monitored early warning to each block chain being connected in the block chain route access system, And monitoring report is made in timing.
7. block chain as claimed in claim 3 route access system, it is characterised in that the middle level service module also includes: Block chain is tested and assessed unit, its be used for the transactions velocity of each block chain to being connected in block chain route access system and Security is periodically tested and assessed.
8. a kind of block chain as described in claim 1~7 is any route the cut-in method of access system, it is characterised in that bag Include:
Several block chains are connected in the block chain route access system;
Neutral agreement is set up between described several block chains to realize the stream compression of several block interchains;And
The instruction that user terminal according to being connected with block chain route access system sends, in any one user terminal Data cube computation is set up between any one the block chain being connected in the block chain route access system.
9. cut-in method as claimed in claim 8, it is characterised in that the stream compression includes:Will be described from being connected to The data in a block chain in block chain route access system are docked, are shifted, extracted and preserved to another area Block chain.
10. cut-in method as claimed in claim 9, it is characterised in that the foundation neutrality agreement includes:It is described to being connected to Each block chain in block chain route access system provides unified ID authentication mechanism, is monitored early warning, regularly makes Monitoring report, and it is fixed to being connected to the transactions velocity and security of each block chain that the block chain is route in access system When tested and assessed.
CN201611108544.5A 2016-12-06 2016-12-06 Block link route access system and method Active CN106850538B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611108544.5A CN106850538B (en) 2016-12-06 2016-12-06 Block link route access system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611108544.5A CN106850538B (en) 2016-12-06 2016-12-06 Block link route access system and method

Publications (2)

Publication Number Publication Date
CN106850538A true CN106850538A (en) 2017-06-13
CN106850538B CN106850538B (en) 2022-01-18

Family

ID=59146181

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611108544.5A Active CN106850538B (en) 2016-12-06 2016-12-06 Block link route access system and method

Country Status (1)

Country Link
CN (1) CN106850538B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108269190A (en) * 2018-01-17 2018-07-10 深圳四方精创资讯股份有限公司 Across chain method and its system based on across chain relaying platform
CN108600315A (en) * 2018-03-22 2018-09-28 深圳市网心科技有限公司 Block chain route processing method, device and storage medium
CN108734578A (en) * 2018-05-02 2018-11-02 东莞市波动赢机器人科技有限公司 Data processing method and system based on transaction robot
CN109462505A (en) * 2018-11-12 2019-03-12 上海点融信息科技有限责任公司 Realize the method and apparatus across chain communication between multiple block chain networks
WO2020134615A1 (en) * 2018-12-27 2020-07-02 阿里巴巴集团控股有限公司 Cross-chain evidence preservation method and access method, apparatus, and electronic device
CN111538792A (en) * 2020-07-10 2020-08-14 卓尔智联(武汉)研究院有限公司 Alliance link data processing method and device and electronic equipment
CN112005264A (en) * 2018-05-01 2020-11-27 国际商业机器公司 Blockchain implementing cross-chain transactions

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103020861A (en) * 2012-11-06 2013-04-03 苏州工业园区凌志软件股份有限公司 Intermediate business platform system used for financial securities industry
CN104038414A (en) * 2013-08-21 2014-09-10 江南大学 Multiprotocol intelligent household gateway apparatus and system thereof
US20150254026A1 (en) * 2014-03-10 2015-09-10 Hiroto Kobayashi Information delivery system, information processing apparatus, and information delivery method
CN105574135A (en) * 2015-12-14 2016-05-11 中电科华云信息技术有限公司 Universal access method and universal access system for supporting heterogeneous services
CN105976231A (en) * 2016-06-24 2016-09-28 深圳前海微众银行股份有限公司 Asset management method based on intelligent block chain contracts and nodes
CN106104398A (en) * 2013-03-14 2016-11-09 费希尔-罗斯蒙特系统公司 Distributed big data in Process Control System

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103020861A (en) * 2012-11-06 2013-04-03 苏州工业园区凌志软件股份有限公司 Intermediate business platform system used for financial securities industry
CN106104398A (en) * 2013-03-14 2016-11-09 费希尔-罗斯蒙特系统公司 Distributed big data in Process Control System
CN104038414A (en) * 2013-08-21 2014-09-10 江南大学 Multiprotocol intelligent household gateway apparatus and system thereof
US20150254026A1 (en) * 2014-03-10 2015-09-10 Hiroto Kobayashi Information delivery system, information processing apparatus, and information delivery method
CN105574135A (en) * 2015-12-14 2016-05-11 中电科华云信息技术有限公司 Universal access method and universal access system for supporting heterogeneous services
CN105976231A (en) * 2016-06-24 2016-09-28 深圳前海微众银行股份有限公司 Asset management method based on intelligent block chain contracts and nodes

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108269190A (en) * 2018-01-17 2018-07-10 深圳四方精创资讯股份有限公司 Across chain method and its system based on across chain relaying platform
CN108600315A (en) * 2018-03-22 2018-09-28 深圳市网心科技有限公司 Block chain route processing method, device and storage medium
CN112005264A (en) * 2018-05-01 2020-11-27 国际商业机器公司 Blockchain implementing cross-chain transactions
CN108734578A (en) * 2018-05-02 2018-11-02 东莞市波动赢机器人科技有限公司 Data processing method and system based on transaction robot
CN109462505A (en) * 2018-11-12 2019-03-12 上海点融信息科技有限责任公司 Realize the method and apparatus across chain communication between multiple block chain networks
CN109462505B (en) * 2018-11-12 2021-07-30 上海点融信息科技有限责任公司 Method and apparatus for implementing cross-link communication between multiple blockchain networks
WO2020134615A1 (en) * 2018-12-27 2020-07-02 阿里巴巴集团控股有限公司 Cross-chain evidence preservation method and access method, apparatus, and electronic device
TWI717866B (en) * 2018-12-27 2021-02-01 開曼群島商創新先進技術有限公司 Cross-chain certificate deposit method and access method, device and electronic equipment
CN111538792A (en) * 2020-07-10 2020-08-14 卓尔智联(武汉)研究院有限公司 Alliance link data processing method and device and electronic equipment
CN111538792B (en) * 2020-07-10 2020-11-03 卓尔智联(武汉)研究院有限公司 Alliance link data processing method and device and electronic equipment

Also Published As

Publication number Publication date
CN106850538B (en) 2022-01-18

Similar Documents

Publication Publication Date Title
CN106850538A (en) Block chain route access system and method
CN109034833B (en) Product tracing information management system and method based on block chain
CN110874746B (en) Product traceability system based on block chain
JP7104181B2 (en) How to track quality of sleeve injection based on blockchain
CN108681966A (en) A kind of information monitoring method and device based on block chain
CN108460605A (en) A kind of trace to the source method for anti-counterfeit and the system of the papery art work based on block chain
CN107395353A (en) A kind of block chain common recognition method and device
CN112270550A (en) New energy electric power source tracing method and system based on block chain
CN114445010B (en) Block chain-based multi-mode intermodal system and method
CN106650495A (en) File verification method and device
CN101685503B (en) Method and system for inquiring product information
CN110011800A (en) A kind of block chain method for reading data and device
CN110930152B (en) Data processing method based on block chain and related equipment
CN109951427A (en) A kind of product traceability method and system, cloud are traced to the source platform
CN109272325A (en) A kind of distributed block chain identity card
CN112837071A (en) Storage battery traceability system based on block chain
CN110659749A (en) Vehicle information management method and system based on block chain
CN110490602B (en) Three-layer block chain architecture construction method and system
CN109146452A (en) A kind of Internet of Things cost management method and system based on block chain
CN108875407A (en) For the sensitive information processing method and processing device of financial business, client, data framework
CN110910217A (en) Electronic ticket settlement method based on block chain
CN105205604A (en) Vehicle maintenance management device, system and method
CN114971017A (en) Bank transaction data processing method and device
CN113947414A (en) Commodity traceability anti-counterfeiting system based on NFC and block chain
CN112905661A (en) Data processing method, system, device, server and medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20221230

Address after: No. 1 Boxing Eighth Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing 100176

Patentee after: CICC Data Group Co.,Ltd.

Address before: 100176 room 2318, building 2, No.1, boxing 8th Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing

Patentee before: CENTRIN CLOUD FINANCE & DATA TECHNOLOGY (BEIJING) CO.,LTD.