CN108256864A - Between a kind of block chain across the foundation of chain alliance and communication means, system - Google Patents

Between a kind of block chain across the foundation of chain alliance and communication means, system Download PDF

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Publication number
CN108256864A
CN108256864A CN201810149697.7A CN201810149697A CN108256864A CN 108256864 A CN108256864 A CN 108256864A CN 201810149697 A CN201810149697 A CN 201810149697A CN 108256864 A CN108256864 A CN 108256864A
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China
Prior art keywords
chain
node
communication
alliance
communication request
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CN201810149697.7A
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CN108256864B (en
Inventor
卢亦斌
路成业
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Wuxi Sanju Sunshine Intellectual Property Service Co ltd
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Chain Technology Co Ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION 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
    • G06Q20/00—Payment architectures, schemes or protocols
    • G06Q20/38—Payment protocols; Details thereof
    • G06Q20/40—Authorisation, 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
    • G06Q20/401—Transaction verification
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates

Abstract

The present invention provides, across the foundation of chain alliance and communication means, system, should include between a kind of block chain across the method for building up of chain alliance：Obtain the communication requirement of each communication node in multiple block chains；The each node for belonging to communication requirement establishes across chain alliance, and letter of identity and certificate of fair is configured；Establish across chain intelligence contract.Across the chain communication means of block chain includes：Communication request is obtained using each block chain in across the chain alliance of above-mentioned foundation, node intelligent contract is established for each node；If initiating communication request, endorsement policy validation is carried out to communication request, then carry out total order signature verification and data consistency checking, after communication request is by verification, the communication between node is realized according to across chain intelligence contract.By applying the present invention, establishing across chain alliance, across the chain communication of different blocks interchain is realized, shares the data resource on different blocks chain, improves the utilization ratio of resource.

Description

Between a kind of block chain across the foundation of chain alliance and communication means, system
Technical field
The present invention relates to across the chain communications fields of block chain, and in particular between a kind of block chain across chain alliance foundation and Communication means, system.
Background technology
Block chain is a kind of a kind of chain type number for being sequentially in time combined into data block in a manner of being sequentially connected According to structure, and the distributed account book that can not be distorted He can not forge ensured in a manner of cryptography.Broadly, block chain technology Be using block linked data structure come verify and store data, using distributed node know together algorithm to generate and update the data, Using the mode of cryptography ensure data transmission and access safety, using the intelligent contract being made of automatized script code come Programming and a kind of completely new distributed basis framework and calculation paradigm of operation data.
With the development of block chain technology, present more and more chains all start including publicly-owned chain, alliance's chain, privately owned chain It emerges in an endless stream, then the interconnection operation between chain and chain is increasingly taken seriously, and is just come therefrom across the demand of chain.Across chain technology The bridge connected between each block chain is can be understood as, in the world of block chain, most of chains are not not know in fact The world outside chain does not have natural across chain ability, is a complicated process across chain, has both needed to have chain interior joint individually Verification ability, the input of decentralization is needed, with greater need for the acquisition and verification of the information to the Lian Wai worlds.At present it is main across Chain technology has：Notary's mechanism (Notary schemes), side chain/relaying (Sidechains/relays), Hash locking (Hash-locking) etc..These across chain technologies are generally used for the circulation across chain assets, and form is relatively simple, are only capable of serving letter Single business scenario, such as across transaction in assets of two main bodys of chain etc., and can not realize across the chain communication of complicated business.Intelligence at present Contract is typically only capable to run on the node of a block chain, and the related side of intelligent contract generally only has two sides, Wu Fashi every time Now across the chain communication of multi-party complex rule.
Invention content
The technical problem to be solved in the present invention is across chain communication means of the prior art is overcome to be only capable of serving simply Business scenario can not realize across the chain communication of complicated business；And existing intelligence contract is typically only capable to the section in a block chain It is run on point, the related side of intelligent contract generally only has two sides every time, can not realize across the chain communication of multi-party complex rule.
According in a first aspect, an embodiment of the present invention provides the method for building up across chain alliance between a kind of block chain, wrap It includes：Obtain the communication requirement of each communication node in multiple block chains；It will be belonged on different blocks chain according to the communication requirement Across chain alliance is established, and letter of identity and certificate of fair is configured for each node in each node of the communication requirement；Root It is across chain across the chain intelligence contract of Alliance Establishment according to the communication requirement.
With reference to first aspect, in first aspect first embodiment, across the chain intelligence contract is used for each section Point carries out authentication；The letter of identity is used to implement the Communications Authorization of the node.
According to second aspect, an embodiment of the present invention provides across the chain communication means between a kind of block chain, including：Pass through It is obtained using each block chain in across the chain alliance described in the optional mode of any one of first aspect or first aspect Communication request, the letter of identity, the certificate of fair and across the chain intelligence contract are taken, and node is established for each node Intelligent contract；When the node initiates communication request, according to the node intelligent contract, letter of identity, certificate of fair and lead to Letter request carries out endorsement policy validation, will be sent to across the chain alliance by the communication request of the endorsement policy validation；Institute It states across chain alliance and total order signature verification and data consistency checking is carried out to the communication request；；When the communication request passes through When the total order signature verification and the data consistency checking, section is realized according to across the chain intelligence contract between the node Communication between point.
It is described according to the node intelligent contract, identity card in first aspect first embodiment with reference to second aspect Book, certificate of fair and communication request carry out endorsement policy validation, will be sent to by the communication request of the endorsement policy validation Across the chain alliance, including：The node intelligent contract is suggested according to the letter of identity and the generation communication of affiliated communication request As a result, and the communication advisory result is sent to endorsement verification node；The node is according to the communication request and the friendship The practical implementing result of easy certificates constructing, and the practical implementing result is sent to the endorsement verification node；The endorsement is tested Card node carries out endorsement policy validation according to the communication advisory result to the practical implementing result of the node；When the endorsement Policy validation by when, across the chain alliance will be sent to described across chain by the communication request of the endorsement policy validation Alliance.
With reference to second aspect, in first aspect second embodiment, across the chain communication means between the block chain It further includes：When the communication request is not by the total order signature verification and the data consistency checking, across the chain connection The communication request is sent error information by alliance labeled as invalidation request, and to the node for initiating the communication request..
According to the third aspect, an embodiment of the present invention provides the system of establishing across chain alliance between a kind of block chain, packets It includes：Communication requirement acquisition module, for obtaining the communication requirement of each communication node in multiple block chains；Across chain Alliance Establishment Module, for each node for belonging to the communication requirement on different blocks chain to be established across chain connection according to the communication requirement Alliance, and letter of identity and certificate of fair is configured for each node；Across chain intelligence contract establishes module, for according to the communication Demand is across chain across the chain intelligence contract of Alliance Establishment.
According to fourth aspect, an embodiment of the present invention provides a kind of across chain communication system of block chain based on intelligent contract, Including：Node intelligent contract establishes module, for by using the optional mode of any one of the third aspect or the third aspect Described in across the chain alliance for establishing system foundation in each block chain obtain the communication request, letter of identity, described Certificate of fair and across the chain intelligence contract, and establish node intelligent contract for each node；Endorsement policy validation module, when When the node initiates communication request, the endorsement policy validation module be used for according to the node intelligent contract, letter of identity, Certificate of fair and communication request carry out endorsement policy validation, described by being sent to by the communication request of the endorsement policy validation Across chain alliance；Total order signature verification module is tested for across the chain alliance to be made to carry out progress total order signature to the communication request Card and data consistency checking；Node communication module, for making the node according to the node intelligent contract, the identity card Book and the certificate of fair realize the communication between the node.
With reference to fourth aspect, in fourth aspect first embodiment, the endorsement policy validation module includes：Communication is built Result generation submodule is discussed, for making the node intelligent contract according to the letter of identity and the generation communication of affiliated communication request Advisory result, and the communication advisory result is sent to endorsement verification node；Practical implementing result generates submodule, for making The node generates practical implementing result, and the practical implementing result is sent out according to the communication request and the certificate of fair It send to the endorsement verification node；Endorsement policy validation submodule, for the endorsement verification node to be made to be built according to the communication View result carries out endorsement policy validation to the practical implementing result of the node；Communication request sending submodule, when the endorsement Policy validation by when, the communication request sending submodule for will pass through it is described endorsement policy validation the communication request It is sent to across the chain alliance.
With reference to fourth aspect, in fourth aspect second embodiment, it is described based on the block chain of intelligent contract across chain Communication system further includes：Communication request correction module, when the communication request does not pass through the total order signature verification and the number During according to consistency checking, the communication request correction module is used to make across the chain alliance by the communication request labeled as invalid Request, and send error information to the node for initiating the communication request.,
It is described non-temporary an embodiment of the present invention provides a kind of non-transient computer readable storage medium storing program for executing according to the 5th aspect State computer-readable recording medium storage computer instruction, the computer instruction are used to that the computer to be made to perform first aspect Or between the block chain described in any one optional mode of first aspect across the method for building up of chain alliance or, described Computer instruction is used for described in any one optional mode that the computer is made to perform second aspect or second aspect Across chain communication means between block chain.
According to the 6th aspect, an embodiment of the present invention provides a kind of computer program product, the computer program product Including the calculation procedure being stored on non-transient computer readable storage medium storing program for executing, the computer program includes program instruction, when When described program instruction is computer-executed, make any one of the computer execution first aspect or first aspect optional Between block chain described in mode across chain alliance method for building up or, the computer is made to perform second aspect or the Across the chain communication means between block chain described in any one optional mode of two aspects.
Technical solution of the present invention has the following advantages that：
1. the embodiment of the present invention for each node according to communication requirement by establishing across chain alliance, and establish across chain alliance's intelligence Energy contract, and letter of identity and certificate of fair is configured for node each in across chain alliance, it is achieved thereby that across the foundation of chain alliance, Realize that communication provides the foundation for each node in across chain alliance.
2. the embodiment of the present invention is tested accordingly by establishing node intelligent contract in across chain alliance, to communication request Card, each node realize that information communicates according to letter of identity, certificate of fair and node intelligent contract.It is achieved thereby that different blocks Information exchange between chain realizes across the chain communication of complicated business and multi-party complex rule, it is achieved thereby that data resource exists It is shared on different blocks chain, improve the utilization ratio of resource.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution of the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the flow chart of the method for building up across chain alliance between block chain in the embodiment of the present invention；
Fig. 2 is the flow chart across chain communication means between block chain in the embodiment of the present invention；
Fig. 3 is to be carried on the back in the embodiment of the present invention according to node intelligent contract, letter of identity, certificate of fair and communication request Book policy validation will be sent to the particular flow sheet across chain alliance by the communication request for policy validation of endorsing；
Fig. 4 is another flow chart across chain communication means between block chain in the embodiment of the present invention；
Fig. 5 is the structure diagram for establishing system across chain alliance between block chain in the embodiment of the present invention；
Fig. 6 is the structure diagram of endorsement policy validation module in the embodiment of the present invention；
Fig. 7 be the embodiment of the present invention in based on the block chain of intelligent contract across chain communication system structure diagram；
Fig. 8 be the embodiment of the present invention in based on the block chain of intelligent contract across chain communication system another structure diagram；
Fig. 9 is the structure diagram of Computer equipment of the embodiment of the present invention.
Specific embodiment
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's all other embodiments obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other It can be combined with each other into conflict.
Embodiment 1
The embodiment of the present invention provides the method for building up across chain alliance between a kind of block chain, as shown in Figure 1, the block chain Between the method for building up across chain alliance include：
Step S1：Obtain the communication requirement of each communication node in multiple block chains.
Step S2：The each node for belonging to communication requirement on different blocks chain is established by across chain alliance according to communication requirement, And letter of identity and certificate of fair is configured for each node.
Step S3：It is across the chain intelligence contract of across chain Alliance Establishment according to communication requirement.
By above-mentioned steps S1 to step S3, the method for building up across chain alliance between the block chain of the embodiment of the present invention, The foundation across chain alliance is realized, is that letter of identity and certificate of fair is configured in each node in across chain alliance, is across chain alliance In each node realize communication provide the foundation.
It is done below in conjunction with method for building up across chain alliance of the specific example between the block chain of the embodiment of the present invention into one Walk explanation.
Specifically, above-mentioned step S1, obtains the communication requirement of each communication node in multiple block chains, which needs It asks and communicates for the data information with business relations, these data informations with business relations are stored respectively in different In each node of block chain, need to carry out the exchange of data information, such as belong between each node in different blocks chain In the multiple hospitals of different blocks chain, about the information communication requirement between the medical information of same patient.
Specifically, above-mentioned step S2, communication requirement will be belonged to according to communication requirement each node on different blocks chain Across chain alliance is established, and letter of identity and certificate of fair is configured for each node, in across the chain alliance, there will be business relations not With each node on block chain as member, same channel is included in, and be configured and correspond to for these members according to communication requirement Letter of identity and certificate of fair, the certificate of fair of member is obtained from its organizational identities certificate by mathematical way, theoretical A upper letter of identity can authorize countless certificate of fair, and certificate of fair is disposable token, and called side makes when calling data It is signed with certificate of fair to called data.
In a preferred embodiment, above-mentioned step S3 is across the chain intelligence contract of across chain Alliance Establishment according to communication requirement, Across chain intelligence contract is somebody's turn to do to be used to carry out authentication to each node.
By above-mentioned steps S1 to step S3, the method for building up across chain alliance between the block chain of the embodiment of the present invention, The foundation across chain alliance is realized, is that letter of identity and certificate of fair is configured in each node in across chain alliance, is across chain alliance In each node realize communication provide the foundation.
Embodiment 2
The embodiment of the present invention provides across the chain communication means between a kind of block chain, as shown in Fig. 2, between the block chain Across chain communication means includes：
Step S4：Each block chain in across the chain alliance established by using the method for building up in embodiment 1 obtains communication Request, letter of identity, certificate of fair and across chain intelligence contract, and establish node intelligent contract for each node.
Step S5：When node initiates communication request, according to node intelligent contract, letter of identity, certificate of fair and communication Request carries out endorsement policy validation, will be sent to across chain alliance by the communication request for policy validation of endorsing.
Step S6：Across chain alliance carries out total order signature verification and data consistency checking to communication request.
Step S7：When communication request is by total order signature verification and data consistency checking, according to across chain between node Intelligent contract realizes the communication between node.
By above-mentioned steps S4 to step S7, across the chain communication means between the block chain of the embodiment of the present invention realizes Information exchange between different blocks chain realizes across the chain communication of complicated business and multi-party complex rule, it is achieved thereby that number It is shared on different blocks chain according to resource, improve the utilization ratio of resource.
It is described further below in conjunction with across chain communication means of the specific example between the block chain of the embodiment of the present invention.
Specifically, above-mentioned step S4, obtaining communication by using each block chain in across the chain alliance in embodiment 1 please It asks, letter of identity, certificate of fair and across chain intelligence contract, and node intelligent contract is established for each node.The communication request is section Application carries out the request of data exchange between point, which is the agreement that data call is carried out to the node.
In a preferred embodiment, as shown in figure 3, above-mentioned step S5, according to node intelligent contract, letter of identity, friendship Easy certificate and communication request carry out endorsement policy validation, will be sent to across chain alliance by the communication request for policy validation of endorsing, It specifically includes：
Step S51：Node intelligent contract builds communication according to letter of identity and communication request generation communication advisory result View result is sent to endorsement verification node.
Step S52：Node generates practical implementing result according to communication request and certificate of fair, and practical implementing result is sent out It send to endorsement and verifies node.
Step S53：Endorsement verification node carries out the practical implementing result of node according to communication advisory result endorsement strategy Verification.
Step S54：When endorse policy validation by when, will across chain connection be sent to by the communication request for policy validation of endorsing Alliance.
In practical applications, above-mentioned endorsement verification node is used for verifying following item：Communication request meets verification form；It is logical Letter request is current newest request (preventing malicious attack)；Communication request initiates the validity of the letter of identity of node, and (4) are logical The license that node has certificate of fair is initiated in letter request.
In practical applications, the specific implementation procedure of above-mentioned step S51 to step S54 is：For example, node intelligent contract 1 (chain code CC1) calls the corresponding requesting nodes of CC1, and local requesting node receives the calling of CC1, carries out state transition processing, and The communication advisory result of this request and practical implementing result are recorded, while generate corresponding state version.The communication of CC1 The state Key values and the Value of new state and change relied on state that the needs that advisory result includes this transaction are changed Key values and current version value.Node intelligent and about 1 communication advisory result are addressed to the endorsement verification specified during CC1 deployment Node, endorsement verification node also receives the calling of CC1, and communication advisory result is verified, checks the status modifier of suggestion It is whether consistent with State-dependence and implementing result practical on this node, if unanimously returned result to plus the signature of this node Requesting node.Requesting node collects the feedback of endorsement verification node, reaches the endorsement authentication policy peace of node intelligent contract setting Row is then verified by the endorsement of the communication advisory result.Endorsement authentication policy could be provided as the corresponding power of each verification node Weight, if during verification, participating in the total weight of node of verification more than 50% and after passing through verification, then assert through the communication suggestion knot The endorsement verification of fruit.
Specifically, above-mentioned step S6, it is consistent with data that across chain alliance carries out communication request progress total order signature verification Property verification.The total order signature verification includes：Cryptographic verifications, endorsement policy validation, release status verification.
Specifically, above-mentioned step S7, node realize the communication between node according to across chain intelligence contract, have above-mentioned communication The node of request data carries out the call request of data according to across chain intelligence contract, then the above-mentioned node profit for sending out communication request After carrying out endorsement policy validation with letter of identity and certificate of fair, the data are called, complete the communication between node.
In a preferred embodiment, as shown in figure 4, across the chain communication means between above-mentioned block chain further includes：
Step S8：When communication request is not by total order signature verification and data consistency checking, this is led in across chain alliance Letter request marks are invalidation request, and send error information to the node for initiating communication request.
Specifically, in above-mentioned step S8, each communication request can be verified to ensure that its read data does not have Have by other transaction changes, it is ensured that do not changed after since read data performing endorsement verification during chain code performs.Such as The data that fruit is read are changed by other transaction, then and the request that block chain interior joint is initiated will be marked as invalidation request, Account book slip condition database will not be written to.Error information is sent to the corresponding client of node for initiating transaction by across chain alliance End, the client carry out error correction or suitably retry after the message reminded and reported an error is received.Such as the node of progress communication request will The communication advisory result that there is same state to rely on that endorsement policy validation is crossed submits to across chain alliance twice, and across chain alliance can divide It merchandises with two sequence numbers to the two and is sent to each node, when node carries out local state version dependence verification, first receive Transaction finished due to having verified that, local state has increased a version newly, and later same transaction is due to having relied on one A out-of-date version, second transaction proposal of submission will not be relied on by state version to be verified, and is lost as illegal transaction It abandons.
By above-mentioned steps S4 to step S8, across the chain communication means between the block chain of the embodiment of the present invention realizes Information exchange between different blocks chain realizes across the chain communication of complicated business and multi-party complex rule, it is achieved thereby that number It is shared on different blocks chain according to resource, improve the utilization ratio of resource.
Embodiment 3
System is established across chain alliance between a kind of block chain of offer of the embodiment of the present invention, as shown in figure 5, the block chain Between the system of establishing across chain alliance include：Communication requirement acquisition module 1, for obtaining each communication in multiple block chains The communication requirement of node；Across chain Alliance Establishment module 2, for according to communication requirement communication requirement will to be belonged on different blocks chain Each node establishes across chain alliance, and letter of identity and certificate of fair is configured for each node；Across chain intelligence contract establishes module 3, For according to communication requirement be across the chain intelligence contract of across chain Alliance Establishment.
By the collaborative work between above-mentioned each component part, across the chain alliance between the block chain of the embodiment of the present invention The configuration established system, realize across the foundation of chain alliance and letter of identity and certificate of fair, be across chain alliance in it is each A node realizes that communication provides the foundation.
Below in conjunction with specific example each of system is established across chain alliance between the block chain of the embodiment of the present invention Component part and its function are described further.
Specifically, the communication requirement in above-mentioned communication requirement acquisition module 1 for the data information with business relations into Row communication, these data informations with business relations are stored respectively in each node of different block chains, need not With the exchange of progress data information between each node in block chain, such as belong to the multiple hospitals of different blocks chain, about Information communication requirement between the medical information of same patient.
Specifically, across the chain alliance established in above-mentioned across chain Alliance Establishment module 2 will have the not same district of business relations Each node on block chain is included in same channel, and corresponding body is configured for these members according to communication requirement as member Part certificate and certificate of fair, the certificate of fair of member are obtained from its organizational identities certificate by mathematical way, theoretically one A letter of identity can authorize countless certificate of fair, and certificate of fair is disposable token, and called side uses friendship when calling data Easy certificate signs to called data.
Specifically, across the chain intelligence contract that above-mentioned across chain intelligence contract is established in module 3 is used to lead to each node Letter verification.
By the collaborative work between above-mentioned each component part, across the chain alliance between the block chain of the embodiment of the present invention The configuration established system, realize across the foundation of chain alliance and letter of identity and certificate of fair, be across chain alliance in it is each A node realizes that communication provides the foundation.
Embodiment 4
The embodiment of the present invention provides a kind of across chain communication system of block chain based on intelligent contract, as shown in fig. 6, this is based on Across the chain communication system of block chain of intelligent contract includes：Node intelligent contract establishes module 4, for by using in embodiment 1 Across the chain alliance for establishing system foundation in each block chain obtain communication request, letter of identity and certificate of fair, and be each section Point establishes node intelligent contract；Endorsement policy validation module 5, when node initiates communication request, endorsement policy validation module 5 is used In carrying out endorsement policy validation according to node intelligent contract, letter of identity, certificate of fair and communication request, strategy of endorsing will be passed through The communication request of verification is sent to across chain alliance；Total order signature verification module 6 is complete for across chain alliance to be made to carry out communication request Sequence signature verification and data consistency checking；Node communication module 7, when communication request is consistent with data by total order signature verification Property verification when, node communication module 7 be used for make node according to across chain intelligence contract realization node between communication.
Pass through the collaborative work between above-mentioned each component part, the block chain based on intelligent contract of the embodiment of the present invention Across chain communication system realizes the information exchange between different blocks chain, realize complicated business and multi-party complex rule across Chain communicates, it is achieved thereby that data resource is shared on different blocks chain, improves the utilization ratio of resource.
Below in conjunction with specific example to the embodiment of the present invention based on the block chain of intelligent contract across each of chain communication system A component part and its function are described further.
Specifically, above-mentioned node intelligent contract is established in module 4, and above-mentioned communication request applies carrying out data between node The request of exchange, the node intelligent contract are the agreement that data call is carried out to the node.
In a preferred embodiment, as shown in fig. 7, above-mentioned endorsement policy validation module 5 includes：Communicate advisory result life Into submodule 51, for making node intelligent contract according to letter of identity and communication request generation communication advisory result, and will communicate Advisory result is sent to endorsement verification node；Practical implementing result generates submodule 52, for node according to communication request and friendship The practical implementing result of easy certificates constructing, and practical implementing result is sent to endorsement verification node；Endorsement policy validation submodule 53, for endorsement verification node to be made to carry out endorsement policy validation to the practical implementing result of node according to communication advisory result；It is logical Believe request-to-send submodule 54, when endorse policy validation by when, communication request sending submodule 54 will be for will pass through plan of endorsing The communication request slightly verified is sent to across chain alliance.
In practical applications, the specific implementation procedure of above-mentioned endorsement policy validation module 5 is：For example, node intelligent closes About 1 (chain code CC1) calls the corresponding requesting nodes of CC1, and local requesting node receives the calling of CC1, carries out state transition processing, And the communication advisory result of this request and practical implementing result are recorded, while generate corresponding state version.CC1's is logical The state Key values and the Value of new state and change relied on shape that the needs that letter advisory result includes this transaction are changed State Key values and current version value.Node intelligent and about 1 communication advisory result are addressed to the endorsement specified during CC1 deployment and test Node is demonstrate,proved, endorsement verification node also receives the calling of CC1, and communication advisory result is verified, checks the status maintenance of suggestion Change it is whether consistent with State-dependence and implementing result practical on this node, if unanimously result returned plus the signature of this node To requesting node.Requesting node collects the feedback of endorsement verification node, reaches the endorsement authentication policy of node intelligent contract setting It arranges, is then verified by the endorsement of the communication advisory result.Endorsement authentication policy could be provided as the corresponding of each verification node Weight, if during verification, participating in the total weight of node of verification more than 50% and after passing through verification, then assert and suggested by the communication As a result endorsement verification.
Specifically, in above-mentioned total order signature verification module 6, which includes：Cryptographic verifications, endorsement plan Slightly verification, release status verification.
Specifically, in above-mentioned node communication module 7, the node with above-mentioned telecommunication request data is closed according to across chain intelligence The call request of data is about carried out, then the above-mentioned node for sending out communication request is endorsed using letter of identity and certificate of fair After policy validation, the data are called, complete the communication between node.
In a preferred embodiment, as shown in figure 8, above-mentioned across the chain communication system of block chain based on intelligent contract is also wrapped It includes：Communication request correction module 8, when communication request is not by total order signature verification and data consistency checking, communication request Correction module 8 sends for making across chain alliance by the communication request labeled as invalidation request to the node for initiating communication request Error information.Specifically, in above-mentioned communication request correction module 8, each communication request can be verified to ensure its institute The data of reading are not changed by other transaction, it is ensured that after since read data performing endorsement verification during chain code performs Do not change.If the data read are changed by other transaction, then the request that block chain interior joint is initiated will be marked as Invalidation request will not be written to account book slip condition database.Error information is sent to the node for initiating transaction by across chain alliance Corresponding client, the client carry out error correction or suitably retry after the message reminded and reported an error is received.It please if carrying out communication The communication advisory result that there is same state to rely on that policy validation of endorsing is crossed is submitted to across chain alliance twice by the node asked, across Chain alliance can distribute two sequence numbers and merchandise to the two and be sent to each node, and node carries out local state version and relies on verification When, the transaction first received is finished due to having verified that, local state has increased a version newly, later same transaction due to An out-of-date version is relied on, second transaction proposal of submission will not be relied on by state version to be verified, and is used as illegal Transaction is dropped.
Pass through the collaborative work between above-mentioned each component part, the block chain based on intelligent contract of the embodiment of the present invention Across chain communication system realizes the information exchange between different blocks chain, realize complicated business and multi-party complex rule across Chain communicates, it is achieved thereby that data resource is shared on different blocks chain, improves the utilization ratio of resource.
Embodiment 5
The embodiment of the present invention provides a kind of non-transient computer storage medium, which is stored with computer Executable instruction, the computer executable instructions can perform between the block chain in above-mentioned any embodiment 1 across chain alliance Method for building up or, the computer executable instructions can perform across the chain communication party between the block chain in above-mentioned any embodiment 2 Method.Wherein, above-mentioned storage medium can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM), deposit at random Store up memory body (Random Access Memory, RAM), flash memory (Flash Memory), hard disk (Hard Disk Drive, abbreviation：) or solid state disk (Solid-State Drive, SSD) etc. HDD；The storage medium can also include above-mentioned kind The combination of the memory of class.
It is that can lead to it will be understood by those skilled in the art that realizing all or part of flow in above-described embodiment method Computer program is crossed to instruct relevant hardware come what is completed, program can be stored in a computer read/write memory medium, should Program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, storage medium can be magnetic disc, CD, only Read storage memory (ROM) or random access memory (RAM) etc..
Embodiment 6
The embodiment of the present invention provides a kind of computer equipment, and structure diagram is as shown in figure 9, the computer equipment packet It includes：One or more processors 410 and memory 420, in Fig. 9 by taking a processor 410 as an example.
Above-mentioned computer equipment can also include：Input unit 430 and output device 440.
Processor 410, memory 420, input unit 430 and output device 440 can pass through bus or other modes It connects, in Fig. 9 for being connected by bus.
Processor 410 can be central processing unit (Central Processing Unit, CPU).Processor 410 may be used also Think other general processors, digital signal processor (Digital Signal Processor, DSP), application-specific integrated circuit (Application Specific Integrated Circuit, ASIC), field programmable gate array (Field- Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic, The combination of the chips such as discrete hardware components or above-mentioned all kinds of chips.General processor can be microprocessor or the processing Device can also be any conventional processor etc..
Memory 420 is used as a kind of non-transient computer readable storage medium storing program for executing, available for storing non-transient software program, non- Transient computer executable program and module, such as the method for building up across chain alliance between the block chain in the embodiment of the present application Or the corresponding program instruction/module of across chain communication means between block chain, processor 410 are stored in memory by operation Non-transient software program, instruction and module in 420, various function application and data processing so as to execute server, Realize across the chain communication party between the method for building up of chain alliance or block chain between the block chain of above method embodiment Method.
Memory 420 can include storing program area and storage data field, wherein, storing program area can store operation system System, the required application program of at least one function；Storage data field can be stored according to the building across chain alliance between block chain Cube method or processing unit based on the block chain of intelligent contract across chain communication means use created data etc..In addition, Memory 420 can include high-speed random access memory, can also include non-transient memory, and a for example, at least disk is deposited Memory device, flush memory device or other non-transient solid-state memories.In some embodiments, memory 420 is optional including opposite In the remotely located memory of processor 410, these remote memories can by network connection between block chain across chain Alliance establishes device or across the chain communication device of block chain based on intelligent contract.The example of above-mentioned network is including but not limited to mutual Networking, intranet, LAN, mobile radio communication and combinations thereof.
Input unit 430 can receive across the chain alliance between the number of input or character information and generation and block chain Foundation operation or based on the block chain of intelligent contract across the processing unit of chain traffic operation related user setting and function Related key signals is controlled to input.Output device 440 may include that display screen etc. shows equipment.
One or more module is stored in memory 420, when being performed by one or more processor 410, is held The method of row method as shown in Figure 1 or, execution as shown in figs 2-4.
The said goods can perform the method that the embodiment of the present invention is provided, and has the corresponding function module of execution method and has Beneficial effect.The not technical detail of detailed description in embodiments of the present invention for details, reference can be made to embodiment as shown in Figure 1 or as schemed Associated description in 2- embodiments shown in Fig. 4.
Obviously, the above embodiments are merely examples for clarifying the description, and is not intended to limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And the obvious variation thus extended out or Among changing still in the protection domain of the invention.

Claims (11)

1. a kind of method for building up across chain alliance between block chain, which is characterized in that including：
Obtain the communication requirement of each communication node in multiple block chains；
The each node for belonging to the communication requirement on different blocks chain is established, and be by across chain alliance according to the communication requirement Each node configuration letter of identity and certificate of fair；
It is across chain across the chain intelligence contract of Alliance Establishment according to the communication requirement.
2. the method for building up across chain alliance between block chain according to claim 1, which is characterized in that across the chain intelligence Energy contract is used to carry out authentication to each node；The letter of identity and certificate of fair are used to implement the logical of the node Letter authorizes.
3. a kind of across the chain communication means between block chain, which is characterized in that including：
Each block chain in across the chain alliance established by using method for building up as claimed in claim 1 or 2 obtains logical Believe request, the letter of identity, the certificate of fair and across the chain intelligence contract, and node intelligent is established for each node Contract；
When the node initiates communication request, according to the node intelligent contract, letter of identity, certificate of fair and communication request Endorsement policy validation is carried out, will across the chain alliance be sent to by the communication request of the endorsement policy validation；
Across the chain alliance carries out total order signature verification and data consistency checking to the communication request；
When the communication request is by the total order signature verification and the data consistency checking, basis between the node Across the chain intelligence contract realizes the communication between node.
4. across the chain communication means between block chain according to claim 3, which is characterized in that described according to the node Intelligent contract, letter of identity, certificate of fair and communication request carry out endorsement policy validation, will pass through the endorsement policy validation Communication request is sent to across the chain alliance, including：
The node intelligent contract described will lead to according to the letter of identity and communication request generation communication advisory result Letter advisory result is sent to endorsement verification node；
The node generates practical implementing result, and the reality is performed knot according to the communication request and the certificate of fair Fruit is sent to the endorsement verification node；
The endorsement verification node carries out the practical implementing result of the node endorsement strategy according to the communication advisory result Verification；
When it is described endorsement policy validation by when, across the chain alliance will pass through it is described endorsement policy validation the communication request It is sent to across the chain alliance.
5. across the chain communication means between block chain according to claim 3, which is characterized in that further include：
When the communication request is not by the total order signature verification and the data consistency checking, across the chain alliance will The communication request is labeled as invalidation request, and sends error information to the node for initiating the communication request.
6. system is established across chain alliance between a kind of block chain, which is characterized in that including：
Communication requirement acquisition module (1), for obtaining the communication requirement of each communication node in multiple block chains；
Across chain Alliance Establishment module (2), for according to the communication requirement communication requirement will to be belonged on different blocks chain Each node establishes across chain alliance, and letter of identity and certificate of fair is configured for each node；
Across chain intelligence contract establishes module (3), for being closed according to the communication request for across chain across the chain intelligence of Alliance Establishment About.
7. a kind of across the chain communication system between block chain, which is characterized in that including：
Node intelligent contract establishes module (4), for by using across the chain connection for establishing system foundation as claimed in claim 6 Each block chain in alliance obtains communication request, the letter of identity, the certificate of fair and across the chain intelligence contract, and Node intelligent contract is established for each node；
Endorsement policy validation module (5), when the node initiates communication request, the endorsement policy validation module (5) is used for Endorsement policy validation is carried out according to the node intelligent contract, letter of identity, certificate of fair and communication request, the back of the body will be passed through The communication request of book policy validation is sent to across the chain alliance；
Total order signature verification module (6), for across the chain alliance to be made to carry out total order signature verification sum number to the communication request According to consistency checking；Node communication module (7), when the communication request is consistent with the data by the total order signature verification Property verification when, the node communication module (7) is for making the node according between across the chain intelligence contract realization node Communication.
8. across the chain communication system between block chain according to claim 7, which is characterized in that the endorsement policy validation Module (5) includes：
Communicate advisory result generation submodule (51), for making the node intelligent contract according to the letter of identity and affiliated logical Letter requests to generate communication advisory result, and the communication advisory result is sent to endorsement verification node；
Practical implementing result generation submodule (52), for the node to be made to be given birth to according to the communication request and the certificate of fair The endorsement verification node is sent into practical implementing result, and by the practical implementing result；
Endorsement policy validation submodule (53), for making the endorsement verification node according to the communication advisory result to the section The practical implementing result of point carries out endorsement policy validation；
Communication request sending submodule (54), when it is described endorsement policy validation by when, the communication request sending submodule (54) for across the chain alliance will to be sent to by the communication request of the endorsement policy validation.
9. across the chain communication system between block chain according to claim 7, which is characterized in that further include：
Communication request correction module (8), when the communication request does not pass through the total order signature verification and the data consistency During verification, the communication request correction module (8) for making across the chain alliance by the communication request labeled as invalidation request, And send error information to the node for initiating the communication request.
10. a kind of non-transient computer readable storage medium storing program for executing, which is characterized in that the non-transient computer readable storage medium storing program for executing is deposited Computer instruction is stored up, the computer instruction is realized when being executed by processor between block chain as claimed in claim 1 or 2 It is realized when the method for building up of chain alliance or, the computer instruction are executed by processor such as any one of claim 3-5 institutes Across chain communication means between the block chain stated.
11. a kind of computer equipment, which is characterized in that including：At least one processor (410)；And with it is described at least one Processor (410) communication connection memory (420) wherein,
The memory (420) is stored with the instruction that can be performed by least one processor (410), and described instruction is described At least one processor (410) performs, so that at least one processor (410) performs area as claimed in claim 1 or 2 Between block chain across chain alliance method for building up or, at least one processor (410) is made to perform as in claim 3-5 Across chain communication means between any one of them block chain.
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Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050126

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: Nantong Runyuan structural parts Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050118

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: NANTONG LILIAN MACHINE TOOL MANUFACTURING CO.,LTD.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050111

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: Nantong Yuma Electromechanical Manufacturing Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050103

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: Nantong Lingde Pharmaceutical Equipment Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050096

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: Honglei mechanical equipment (Nantong) Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050093

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: Nantong Ansheng Textile Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049826

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: NANTONG YA TAI CANDLE ARTS & CRAFTS Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049787

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong TongZhou Jinfeng Textile Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049673

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong Jianwei Metal Technology Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049664

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong Weiai Home Textile Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049649

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong Qiju Textile Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049647

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong Chujie Electronic Equipment Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049646

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong Jiaerjie Labor Care Products Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049622

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: JIANGSU YATAI FITNESS CO.,LTD.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049610

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: JIANGSU KANGFEITE POWER TECHNOLOGY Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049581

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231205

Application publication date: 20180706

Assignee: Nantong Juguang Trading Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049570

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

Application publication date: 20180706

Assignee: Nantong Chenghui Pharmacy Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980049567

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231206

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20180706

Assignee: NANTONG BEITE PHARMACEUTICAL MACHINERY Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050363

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: NANTONG HAIGUO MACHINERY Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050361

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Bairun Catering Management Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050360

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Qiaojiang packaging materials Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050359

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Nongchaoer Food Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050358

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Xingren Tank Farm of Nantong Xinhai Liquefied Gas Service Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050341

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Zhili Machinery Technology Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050335

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: NANTONG SHUANGHE FOOD Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050328

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Tuoda Machinery Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050314

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231208

Application publication date: 20180706

Assignee: Nantong Yijialai Woolen Knitting Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050307

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231208

Application publication date: 20180706

Assignee: Nantong Huase Space Textile Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050204

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Dongdong Steel Structure Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050076

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

Application publication date: 20180706

Assignee: Nantong Huaxin Price Evaluation Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2023980050068

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20231207

EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20180706

Assignee: JIANGSU HAOHAN INFORMATION TECHNOLOGY Co.,Ltd.

Assignor: Wuxi Sanju sunshine Intellectual Property Service Co.,Ltd.

Contract record no.: X2024980003335

Denomination of invention: The establishment and communication method and system of a cross chain alliance between blockchains

Granted publication date: 20190607

License type: Common License

Record date: 20240322

EE01 Entry into force of recordation of patent licensing contract