CN106341421A - Block chain technology based data exchange method - Google Patents

Block chain technology based data exchange method Download PDF

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Publication number
CN106341421A
CN106341421A CN201610929594.3A CN201610929594A CN106341421A CN 106341421 A CN106341421 A CN 106341421A CN 201610929594 A CN201610929594 A CN 201610929594A CN 106341421 A CN106341421 A CN 106341421A
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data
record
point
block
subset
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CN106341421B (en
Inventor
黄步添
吴磊
陈建海
王云霄
刘振广
石太彬
王从礼
张维赛
杨正清
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Hangzhou Yunxiang Network Technology Co Ltd
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Hangzhou Yunxiang Network Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0442Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload wherein the sending and receiving network entities apply asymmetric encryption, i.e. different keys for encryption and decryption

Abstract

The invention discloses a block chain technology based data exchange method. The method uses the block chain technology into the field of data exchange and constructs a distributed type autonomous data exchange system based on the block chain technology. The free data exchange among multiple nodes in a network is realized through the design of a consensus algorithm for multiple nodes. At the same time, the invention applies the ellipse asymmetric encryption algorithm in the block chain technology, which can greatly guarantee the security in the data transmission process and can effectively prevent the data from being leaked and illegally tampered. The present invention makes full use of the block chain technology to decentralize the data organization characteristic, changes the point-to-point and the traditional data exchange way based on the multi-point data communication of a specific central platform, and greatly improves the data exchange efficiency and reduces the costs for data transfer and data exchange.

Description

A kind of method for interchanging data based on block chain technology
Technical field
The invention belongs to Data Interchange Technology field is and in particular to a kind of method for interchanging data based on block chain technology.
Background technology
Nowadays the big data epoch are come into.Except links such as the collection of data, analyses, the exchange of data is also become with shared Obtain important increasingly.Currently, every field generally all establishes the full and accurate database of data, but social all trades and professions are even same The database of industry not commensurate is often customized for the business demand of itself, and this makes system environments, data platform etc. There are greatest differences.Generally lack data exchange and shared design at the beginning of construction again, define " barrier " of data exchange.
When user recognizes the importance of data exchange, Data Interchange Technology also has development to a certain extent and enters Step, such as Point-to-Point Data exchange and by setting up data center to exchange.Point-to-Point Data exchanged form is often in small range Interior application, widespread adoption by expose its inefficiency the drawbacks of it is clear that the requirement in big data epoch instantly cannot be adapted to;Set up Data center carries out data exchange and may apply to wide range compared with ad hoc mode, and exchange efficiency also increases, but All data are required to make the construction maintenance cost of data center high through data center's exchange, and data exchange efficiency Lifting also relatively more limited.
With the invention of the digital encryption currency such as bit coin, gradually rise a kind of brand-new, decentralization, referred to as block The distributed basis framework of chain and data operation mode.The spy of decentralization, the maintenance of distributed collective and node common recognition algorithm Point makes block chain technology be particularly suitable for building Decentralized Autonomous system, the O&M efficiency of lift system.At present, block chain technology has been Through causing the highest attention of financial institution, national governments and capital market, but it not yet has related answering in field of data exchange With how utilizing block chain technique construction data exchange system and platform, thus it is worth that the efficient exchange realizing data is shared The problem of research.
Content of the invention
In view of above-mentioned, the invention provides a kind of method for interchanging data based on block chain technology, by building dispersion certainly Control formula data exchange system, be capable of the efficient exchange of data and share.
A kind of method for interchanging data based on block chain technology, comprises the steps:
(1) build Decentralized Autonomous formula data exchange system;
(2) data that in system, oneself is stored by each node is made to carry out blocking encapsulation;
(3) independent blocks after the completion of node encapsulation each in system are connected into block chain;
(4) the common recognition algorithm between design node, in system, any two node can read acquisition using this common recognition algorithm The data that other side is stored;
(5) during data exchange, protection is encrypted to data among the nodes.
Further, in the Decentralized Autonomous formula data exchange system that described step (1) builds, each database corresponds to For a node, the numerous nodes in whole system are all equality, and each node all can be independently completed data preparation, envelope Dress, the autonomous management of encryption, and data exchange can be carried out with other all nodes in system.Exchange with Point-to-Point Data System is compared, and in Decentralized Autonomous formula data exchange system, each node can realize the data exchange of 1 couple of n-1, and data exchange is imitated Rate is greatly improved;Compared with the system being transmitted through data center, each node in Decentralized Autonomous formula data exchange system Decentralized Autonomous, need not set up independent data center, greatly save construction and maintenance cost.
Further, the data that oneself is stored by described step (2) interior joint carries out the area that blocking encapsulation is adopted Block structure is made up of block head and block body, and block head is the essential information hurdle of independent blocks, and its enclosed inside has block current Version number, the address of a upper block, timestamp, the cryptographic Hash of current block, random number and next block address;Area Then encapsulate the data bulk of present node in block and block create during generate and all data through checking Change record, all data change records the root of merkle tree is found by hash process and described be credited in block head.
Further, the sequencing in described step (3) temporally stabbing each independent blocks connects into block chain, if There is two and two or more timestamp identical block, then make the node preferential attachment that data bulk is big, by this block chain There is not side chain, be easy to inquiry and the exchange of data.
Further, in described step (4), the detailed process of common recognition algorithm is as follows:
4.1 input record data t, count the record strip number of wherein each common property, are designated as n respectively1~nd, and then by its In each record as the point in the one-dimensional space, make s represent all and record corresponding point set;D is in input record data t Common property quantity, n1~ndIt is respectively the record strip number of 1~d common property;
4.2 take n1~ndIn maximum give parameter gcnt;I-th record subset qi of initializationiFor empty set, i-th note Record subset ciFor empty set, arbitrarily remove a point p, more new record subset qi from point set si=qii∪ p, more new record subset ci=ci∪ p, makes siRepresent the set removing left point in s after point p;And then according to above-mentioned traversal i=1~gcnt;
4.3 for set si, remove s one by oneiIn point;For any point s being removed, if distance (s, z) ≠ 0z ∈cj, then more new record subset qij=qij∪ s, more new record subset cj=cj∪ s, 1≤j≤gcnt and j ≠ i;
And k ≠ j ≠ i, if Then more new record subset qii=qij∪ s, more new record subset cj=cj∪s;
Wherein: z is record subset cjIn any bar record, x be record subset ciIn any bar record, y be record Collection ckIn any bar record, distance (s, m) be corresponding to point s record with record m dissimilar canonical function, m= X, y or z;
If 4.4 record subsets qijIn the q article record rqMeet following condition, then result { the r' after being replaced a1,···,r'·ad,r'·as, j } write to output record data t*In;
r'·a1=rq·a1,···,r'·ad=rq·ad,r'·as=rf(q)·as
Wherein: q ∈ 1, | qij|, | qij| for recording subset qijIn record strip number, a1~adCorrespond to defeated Enter the 1~d common property in record data t, asFor the important attribute in input record data t, rq·a1~rq·adRight Should be record r in the 1~d common propertyqProperty value, rf(q)For recording subset qijIn the f (q) article record, f (q)=| qij|+1-q, rf(q)·asFor recording r in important attributef(q)Property value, r'asFor recording the property value of r' in important attribute, R' is set siIn finally remove one record.
Embodying of described dissmilarity canonical function distance (s, m) is as follows:
d i s tan c e ( s , m ) = σ n = 1 n ( s n - m n ) 2
Wherein: snNth elements value in recording corresponding to point s, mnFor the nth elements value in record m, n is record Dimension.
Further, in described step (5), protection is encrypted to data, that is, using elliptic curve encryption algorithm (ecc) Using two asymmetrical passwords in encryption and decryption processes: public key and private key, wherein data is carried out initializing encapsulation Node is encrypted to data clear text using public key, and other nodes carry out ciphertext using private key after obtaining data ciphertext and solved Close.This technical scheme can effectively prevent the leakage of data with the security ensureing in data transmission procedure of high degree With illegally distort.
The present invention makes full use of this data tissue characteristic of block chain technology decentralization, changes point-to-point and relies on Specific central platform carries out the conventional data exchange mode of multipoint data communication, significantly lifts data exchange efficiency, reduces number According to unloading and switching cost, realize the efficient exchange of data and share.
Brief description
Fig. 1 is the block schematic illustration of Decentralized Autonomous formula data exchange system of the present invention.
Fig. 2 is the data exchange flow process schematic diagram based on block chain technology for the present invention.
Fig. 3 is the structural representation that in the present invention, data block is packaged into block chain.
Fig. 4 is the schematic flow sheet of encryption and deciphering in the present invention.
Specific embodiment
In order to more specifically describe the present invention, below in conjunction with the accompanying drawings and specific embodiment is to technical scheme It is described in detail.
The method for interchanging data based on block chain technology for the present invention, specific implementation process is as follows:
(1) build the Decentralized Autonomous formula data exchange system based on block chain technology.
Traditional data exchange system has point-to-point exchange and swaps two kinds through data center, and the two has respectively Have the shortcomings that efficiency of transmission is low, O&M cost is high.In Decentralized Autonomous formula system of the present invention, each database is a data section Point, the numerous nodes in whole data network are equality, and each node can singly complete data preparation, encapsulation, add The autonomous management such as close, and data exchange can be carried out with other all nodes taking consistent common recognition algorithm in network, as Fig. 1 institute Show.
Compared with Point-to-Point Data switching architecture, in system of the present invention, each node can realize the data friendship of 1 couple of n-1 Change, data exchange efficiency is greatly improved;Compared with the system being transmitted through data center, each node in system of the present invention Decentralized Autonomous, need not set up independent data center, greatly save construction and maintenance cost.As shown in Fig. 2 each node will The data oneself being stored carries out blocking encapsulation and the independent blocks after numerous encryptions is linked into block chain.Different nodes it Between there is common recognition algorithm, two nodes can obtain by this common recognition algorithm and read the data storing mutually.
(2) the data encapsulation of node employs the block chain technology being widely used in ideal money, that is, adopt as Fig. 3 institute The independent blocks structure shown carries out blocking encapsulation to data, and each block is subdivided into block head and block body two parts.Wherein, The current version number of block, the in front and back address of block, timestamp, current block cryptographic Hash and random number are encapsulated in block head; The data bulk of current block and all data change records generating during verifying, block create are encapsulated in area In block.These data change records charge to block head by the root that Hash procedure finds merkle tree.
After the completion of encapsulation, need for the numerous independent blocks being packaged with data to be linked into block chain, take following principle: be every Independent blocks are linked into block chain according to the sequencing of data packaged by it by individual isolated node, multiple encapsulate if existing simultaneously Block then link order to determine according to the number of encapsulation of data quantity in each block, the big preferential link of data volume.Press According to above-mentioned chaining method, in block chain, there is not side chain, be easy to inquiry and the exchange of data.
(3) build the common recognition algorithm of numerous nodes in network, get through the passage of data exchange between arbitrary node;Common recognition algorithm Detailed process as follows:
A. input record data t, counts the record strip number of wherein each common property, is designated as n respectively1~nd, and then will wherein Each record, as the point in the one-dimensional space, makes s represent all and records corresponding point set;D is in input record data t Common property quantity, n1~ndIt is respectively the record strip number of 1~d common property;
B. take n1~ndIn maximum give parameter gcnt;I-th record subset qi of initializationiFor empty set, i-th note Record subset ciFor empty set, arbitrarily remove a point p, more new record subset qi from point set si=qii∪ p, more new record subset ci=ci∪ p, makes siRepresent the set removing left point in s after point p;And then according to above-mentioned traversal i=1~gcnt;
C. for set si, remove s one by oneiIn point;For any point s being removed, if distance (s, z) ≠ 0z ∈cj, then more new record subset qij=qij∪ s, more new record subset cj=cj∪ s, 1≤j≤gcnt and j ≠ i;
And k ≠ j ≠ i, if Then more new record subset qii=qij∪ s, more new record subset cj=cj∪s;
Wherein: z is record subset cjIn any bar record, x be record subset ciIn any bar record, y be record Collection ckIn any bar record, distance (s, m) be corresponding to point s record with record m dissimilar canonical function, m= X, y or z;
d i s tan c e ( s , m ) = σ n = 1 n ( s n - m n ) 2
Wherein: snNth elements value in recording corresponding to point s, mnFor the nth elements value in record m, n is record Dimension.
If d. recording subset qijIn the q article record rqMeet following condition, then result { the r' after being replaced a1,···,r'·ad,r'·as, j } write to output record data t*In;
r'·a1=rq·a1,···,r'·ad=rq·ad,r'·as=rf(q)·as
Wherein: q ∈ 1, | qij|, | qij| for recording subset qijIn record strip number, a1~adCorrespond to defeated Enter the 1~d common property in record data t, asFor the important attribute in input record data t, rq·a1~rq·adRight Should be record r in the 1~d common propertyqProperty value, rf(q)For recording subset qijIn the f (q) article record, f (q)=| qij|+1-q, rf(q)·asFor recording r in important attributef(q)Property value, r'asFor recording the property value of r' in important attribute, R' is set siIn finally remove one record.
(4) encryption in node data exchange process and decrypting process are improved.
The present invention takes elliptic curve encryption algorithm (ecc) this rivest, shamir, adelman, in encryption and decryption processes Using two asymmetrical passwords, it is referred to as public key and private key.Fig. 4 gives corresponding data ciphering and deciphering flow process, wherein The node that data is carried out initialize with encapsulation utilizes public key to works plain text encryption, and other nodes utilize after obtaining data ciphertext Private key carries out ciphertext deciphering.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and apply the present invention. Person skilled in the art obviously easily can make various modifications to above-described embodiment, and described herein general Principle is applied in other embodiment without through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, ability , according to the announcement of the present invention, the improvement made for the present invention and modification all should be in protection scope of the present invention for field technique personnel Within.

Claims (7)

1. a kind of method for interchanging data based on block chain technology, comprises the steps:
(1) build Decentralized Autonomous formula data exchange system;
(2) data that in system, oneself is stored by each node is made to carry out blocking encapsulation;
(3) independent blocks after the completion of node encapsulation each in system are connected into block chain;
(4) the common recognition algorithm between design node, in system, any two node can read acquisition other side using this common recognition algorithm The data being stored;
(5) during data exchange, protection is encrypted to data among the nodes.
2. method for interchanging data according to claim 1 it is characterised in that: the Decentralized Autonomous building in described step (1) In formula data exchange system, each database corresponds to a node, and the numerous nodes in whole system are all equality, often Individual node all can be independently completed data preparation, encapsulation, encryption autonomous management, and can with system other own Node carries out data exchange.
3. method for interchanging data according to claim 1 it is characterised in that: oneself is deposited by described step (2) interior joint The data of storage carries out the block structure that blocking encapsulation adopted and is made up of block head and block body, and block head is independent blocks Essential information hurdle, its enclosed inside has the current version number of block, the address of a upper block, timestamp, the Kazakhstan of current block Uncommon value, random number and next block address;Then encapsulate the data bulk of present node in block body and block creates During generate and all data change records through checking, all data change records are found by hash process The root of merkle tree and described are credited in block head.
4. method for interchanging data according to claim 1 it is characterised in that: by each independent blocks in described step (3) The sequencing temporally stabbing connects into block chain, if there is two and two or more timestamp identical block, makes data , there is not side chain by this block chain, be easy to inquiry and the exchange of data in the big node preferential attachment of quantity.
5. method for interchanging data according to claim 1 it is characterised in that: common recognition algorithm is concrete in described step (4) Process is as follows:
4.1 input record data t, count the record strip number of wherein each common property, are designated as n respectively1~nd, and then will be wherein every Article one, record, as the point in the one-dimensional space, makes s represent all and records corresponding point set;D is general in input record data t Logical number of attributes, n1~ndIt is respectively the record strip number of 1~d common property;
4.2 take n1~ndIn maximum give parameter gcnt;I-th record subset qi of initializationiFor empty set, i-th record Collection ciFor empty set, arbitrarily remove a point p, more new record subset qi from point set si=qii∪ p, more new record subset ci= ci∪ p, makes siRepresent the set removing left point in s after point p;And then according to above-mentioned traversal i=1~gcnt;
4.3 for set si, remove s one by oneiIn point;For any point s being removed, if distance (s, z) ≠ 0z ∈ cj, then more new record subset qij=qij∪ s, more new record subset cj=cj∪ s, 1≤j≤gcnt and j ≠ i;
And k ≠ j ≠ i, ifThen more New record subset qii=qij∪ s, more new record subset cj=cj∪s;
Wherein: z is record subset cjIn any bar record, x be record subset ciIn any bar record, y be record subset ck In any bar record, distance (s, m) be corresponding to point s record with record m dissimilar canonical function, m=x, y or z;
If 4.4 record subsets qijIn the q article record rqMeet following condition, then result { the r'a after being replaced1,…, r'·ad,r'·as, j } write to output record data t*In;
r'·a1=rq·a1,…,r'·ad=rq·ad,r'·as=rf(q)·as
Wherein: q ∈ 1 ..., | qij|, | qij| for recording subset qijIn record strip number, a1~adCorrespond to input record number According to the 1~d common property in t, asFor the important attribute in input record data t, rq·a1~rq·adCorrespond to the 1st~ R is recorded in d common propertyqProperty value, rf(q)For recording subset qijIn the f (q) article record, f (q)=| qij|+1-q, rf(q)·asFor recording r in important attributef(q)Property value, r'asFor recording the property value of r' in important attribute, r' is set siIn finally remove one record.
6. method for interchanging data according to claim 5 it is characterised in that: described dissmilarity canonical function distance Embodying of (s, m) is as follows:
d i s tan c e ( s , m ) = σ n = 1 n ( s n - m n ) 2
Wherein: snNth elements value in recording corresponding to point s, mnFor the nth elements value in record m, n is the dimension of record Degree.
7. method for interchanging data according to claim 1 it is characterised in that: added using elliptic curve in described step (5) Close algorithm is encrypted protection to data, that is, using two asymmetrical passwords in encryption and decryption processes: public key and private key, The node that wherein data is carried out initializing with encapsulation is encrypted to data clear text using public key, and other nodes are close in acquisition data Carry out ciphertext using private key after literary composition to be decrypted.
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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106982205A (en) * 2017-03-01 2017-07-25 中钞信用卡产业发展有限公司北京智能卡技术研究院 Digital asset treating method and apparatus based on block chain
CN107066561A (en) * 2017-03-30 2017-08-18 中国联合网络通信集团有限公司 Data managing method and platform
CN107135209A (en) * 2017-04-21 2017-09-05 天津理工大学 A kind of data sharing method based on block chain
CN107241360A (en) * 2017-08-04 2017-10-10 北京明朝万达科技股份有限公司 A kind of data safety shares exchange method and data safety shares switching plane system
CN107292181A (en) * 2017-06-20 2017-10-24 无锡井通网络科技有限公司 Database Systems based on block chain and the application method using the system
WO2018145554A1 (en) * 2017-02-08 2018-08-16 腾讯科技(深圳)有限公司 Data processing method, related device and system, and computer readable storage medium
CN108519985A (en) * 2018-02-09 2018-09-11 北京欧链科技有限公司 Two-way block chain structure, data processing method and device
CN108520410A (en) * 2018-02-09 2018-09-11 北京欧链科技有限公司 Feedback method for treating in block chain and device
CN108600199A (en) * 2018-04-08 2018-09-28 国网浙江省电力有限公司电力科学研究院 A kind of transmission method and system of the Audit data based on block chain
WO2018177255A1 (en) * 2017-03-28 2018-10-04 阿里巴巴集团控股有限公司 Blockchain-based consensus method and device
CN108737374A (en) * 2018-04-12 2018-11-02 三维通信股份有限公司 The method for secret protection that data store in a kind of block chain
CN108737336A (en) * 2017-04-18 2018-11-02 中国移动通信有限公司研究院 Threat behavior processing method and processing device, equipment and storage medium based on block chain
CN108810119A (en) * 2018-05-31 2018-11-13 中国联合网络通信集团有限公司 block chain processing method, device and block chain node
WO2018205731A1 (en) * 2017-05-08 2018-11-15 上海点融信息科技有限责任公司 Method and device for protecting block chain data and computer readable storage medium
CN108920908A (en) * 2018-06-28 2018-11-30 北京京东尚科信息技术有限公司 Date storage method, device and computer readable storage medium
CN109167838A (en) * 2018-10-16 2019-01-08 张亮 Group's automatic driving vehicle cooperation perceptive method and system based on block chain
CN109308664A (en) * 2018-08-30 2019-02-05 杨顺福 Individual value method for interchanging data and device
CN109739927A (en) * 2018-12-12 2019-05-10 北京世纪互联宽带数据中心有限公司 Date storage method and its device, electronic equipment, computer-readable medium
CN109889504A (en) * 2019-01-23 2019-06-14 北京航空航天大学 Decentralization data access rights method of commerce and system
CN109977274A (en) * 2019-03-31 2019-07-05 杭州复杂美科技有限公司 A kind of data query and verification method, system, equipment and storage medium
CN110061843A (en) * 2019-01-31 2019-07-26 阿里巴巴集团控股有限公司 The high creation method of block, device and equipment in a kind of chain type account book
TWI682652B (en) * 2017-02-17 2020-01-11 香港商阿里巴巴集團服務有限公司 Data processing method and device
CN111126987A (en) * 2019-12-02 2020-05-08 腾讯科技(深圳)有限公司 Resource transfer information processing method and device, storage medium and electronic device
CN111598564A (en) * 2019-02-20 2020-08-28 华为技术有限公司 Block link point connection establishing method, device and equipment
CN112070610A (en) * 2020-09-01 2020-12-11 中国联合网络通信集团有限公司 Method, node, system, electronic device and medium for verifying block validity

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195932B2 (en) * 2009-01-30 2012-06-05 Texas Instruments Incorporated Authentication and encryption for secure data transmission
CN104935657A (en) * 2015-06-15 2015-09-23 清华大学深圳研究生院 Method for actively pushing information and embedded node operating system
CN105719185A (en) * 2016-01-22 2016-06-29 杭州复杂美科技有限公司 Block chain data comparison and consensus method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8195932B2 (en) * 2009-01-30 2012-06-05 Texas Instruments Incorporated Authentication and encryption for secure data transmission
CN104935657A (en) * 2015-06-15 2015-09-23 清华大学深圳研究生院 Method for actively pushing information and embedded node operating system
CN105719185A (en) * 2016-01-22 2016-06-29 杭州复杂美科技有限公司 Block chain data comparison and consensus method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
袁勇等: "区块链技术发展现状与展望", 《自动化学报》 *

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110351285A (en) * 2017-02-08 2019-10-18 腾讯科技(深圳)有限公司 A kind of data processing method, applications client and system
CN110365686A (en) * 2017-02-08 2019-10-22 腾讯科技(深圳)有限公司 A kind of data processing method, system and storage medium
CN110365686B (en) * 2017-02-08 2020-10-27 腾讯科技(深圳)有限公司 Data processing method, system and storage medium
WO2018145554A1 (en) * 2017-02-08 2018-08-16 腾讯科技(深圳)有限公司 Data processing method, related device and system, and computer readable storage medium
CN110351285B (en) * 2017-02-08 2020-07-24 腾讯科技(深圳)有限公司 Data processing method, application client and system
TWI682652B (en) * 2017-02-17 2020-01-11 香港商阿里巴巴集團服務有限公司 Data processing method and device
US10747780B2 (en) 2017-02-17 2020-08-18 Alibaba Group Holding Limited Blockchain-based data processing method and device
US11392612B2 (en) 2017-02-17 2022-07-19 Advanced New Technologies Co., Ltd. Data processing method and device
CN106982205A (en) * 2017-03-01 2017-07-25 中钞信用卡产业发展有限公司北京智能卡技术研究院 Digital asset treating method and apparatus based on block chain
CN106982205B (en) * 2017-03-01 2020-05-19 中钞信用卡产业发展有限公司杭州区块链技术研究院 Block chain-based digital asset processing method and device
US10846182B2 (en) 2017-03-28 2020-11-24 Advanced New Technologies Co., Ltd. Blockchain-based consensus method and device
US10642699B2 (en) 2017-03-28 2020-05-05 Alibaba Group Holding Limited Blockchain-based consensus method and device
WO2018177255A1 (en) * 2017-03-28 2018-10-04 阿里巴巴集团控股有限公司 Blockchain-based consensus method and device
CN107066561A (en) * 2017-03-30 2017-08-18 中国联合网络通信集团有限公司 Data managing method and platform
CN108737336A (en) * 2017-04-18 2018-11-02 中国移动通信有限公司研究院 Threat behavior processing method and processing device, equipment and storage medium based on block chain
CN108737336B (en) * 2017-04-18 2021-01-15 中国移动通信有限公司研究院 Block chain-based threat behavior processing method and device, equipment and storage medium
CN107135209A (en) * 2017-04-21 2017-09-05 天津理工大学 A kind of data sharing method based on block chain
CN107135209B (en) * 2017-04-21 2019-07-16 天津理工大学 A kind of data sharing method based on block chain
WO2018205731A1 (en) * 2017-05-08 2018-11-15 上海点融信息科技有限责任公司 Method and device for protecting block chain data and computer readable storage medium
CN107292181A (en) * 2017-06-20 2017-10-24 无锡井通网络科技有限公司 Database Systems based on block chain and the application method using the system
CN107241360B (en) * 2017-08-04 2019-01-18 北京明朝万达科技股份有限公司 A kind of data safety shares exchange method and data safety shares switching plane system
CN107241360A (en) * 2017-08-04 2017-10-10 北京明朝万达科技股份有限公司 A kind of data safety shares exchange method and data safety shares switching plane system
CN108519985A (en) * 2018-02-09 2018-09-11 北京欧链科技有限公司 Two-way block chain structure, data processing method and device
CN108520410B (en) * 2018-02-09 2020-09-11 北京欧链科技有限公司 Feedback processing method and device in block chain
CN108519985B (en) * 2018-02-09 2020-09-11 北京欧链科技有限公司 Bidirectional block chain, data processing method and device
CN108520410A (en) * 2018-02-09 2018-09-11 北京欧链科技有限公司 Feedback method for treating in block chain and device
CN108600199A (en) * 2018-04-08 2018-09-28 国网浙江省电力有限公司电力科学研究院 A kind of transmission method and system of the Audit data based on block chain
CN108737374A (en) * 2018-04-12 2018-11-02 三维通信股份有限公司 The method for secret protection that data store in a kind of block chain
CN108737374B (en) * 2018-04-12 2021-11-09 三维通信股份有限公司 Privacy protection method for data storage in block chain
CN108810119A (en) * 2018-05-31 2018-11-13 中国联合网络通信集团有限公司 block chain processing method, device and block chain node
CN108920908A (en) * 2018-06-28 2018-11-30 北京京东尚科信息技术有限公司 Date storage method, device and computer readable storage medium
CN109308664A (en) * 2018-08-30 2019-02-05 杨顺福 Individual value method for interchanging data and device
CN109167838A (en) * 2018-10-16 2019-01-08 张亮 Group's automatic driving vehicle cooperation perceptive method and system based on block chain
CN109739927A (en) * 2018-12-12 2019-05-10 北京世纪互联宽带数据中心有限公司 Date storage method and its device, electronic equipment, computer-readable medium
CN109889504A (en) * 2019-01-23 2019-06-14 北京航空航天大学 Decentralization data access rights method of commerce and system
CN110061843B (en) * 2019-01-31 2022-02-18 创新先进技术有限公司 Block height creating method, device and equipment in chain type account book
CN110061843A (en) * 2019-01-31 2019-07-26 阿里巴巴集团控股有限公司 The high creation method of block, device and equipment in a kind of chain type account book
CN111598564A (en) * 2019-02-20 2020-08-28 华为技术有限公司 Block link point connection establishing method, device and equipment
CN111598564B (en) * 2019-02-20 2023-11-21 华为技术有限公司 Block chain node connection establishment method, device and equipment
CN109977274A (en) * 2019-03-31 2019-07-05 杭州复杂美科技有限公司 A kind of data query and verification method, system, equipment and storage medium
CN111126987A (en) * 2019-12-02 2020-05-08 腾讯科技(深圳)有限公司 Resource transfer information processing method and device, storage medium and electronic device
CN112070610A (en) * 2020-09-01 2020-12-11 中国联合网络通信集团有限公司 Method, node, system, electronic device and medium for verifying block validity
CN112070610B (en) * 2020-09-01 2023-08-29 中国联合网络通信集团有限公司 Method, node, system, electronic device and medium for verifying validity of block

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