CN108876382A - The method, apparatus and readable storage medium storing program for executing of digital certificate are handled on block chain - Google Patents

The method, apparatus and readable storage medium storing program for executing of digital certificate are handled on block chain Download PDF

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Publication number
CN108876382A
CN108876382A CN201810899930.3A CN201810899930A CN108876382A CN 108876382 A CN108876382 A CN 108876382A CN 201810899930 A CN201810899930 A CN 201810899930A CN 108876382 A CN108876382 A CN 108876382A
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CN
China
Prior art keywords
digital certificate
participant
type
block chain
account book
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CN201810899930.3A
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Chinese (zh)
Inventor
陈曦
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上海点融信息科技有限责任公司
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Priority to CN201810899930.3A priority Critical patent/CN108876382A/en
Publication of CN108876382A publication Critical patent/CN108876382A/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06QDATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/38Payment protocols; Details thereof
    • G06Q20/382Payment protocols; Details thereof insuring higher security of transaction
    • G06Q20/3821Electronic credentials

Abstract

The embodiment provides the methods that digital certificate is handled on block chain, including:Receive the digital certificate transaction request of the first participant comprising the first kind for the digital certificate that the first participant expectation is produced and identification information associated with the second participant;Whether the digital certificate of the digital certificate and the first kind that judge the Second Type that second participant receives is identical;And in different situation, the third participant for searching the digital certificate for receiving the first kind and the digital certificate with Second Type increases the digital certificate of the first kind of third participant in block chain account book data, the digital certificate of the Second Type of third participant is reduced, the digital certificate of the first kind of the first participant is reduced, the digital certificate of the Second Type of the first participant increases;And the digital certificate of the Second Type of the first participant is reduced in block chain account book data and increases the digital certificate of the Second Type of the second participant.

Description

The method, apparatus and readable storage medium storing program for executing of digital certificate are handled on block chain

Technical field

The embodiment of the present invention is related to block chain financial technology, relates more particularly to one kind and handles number on block chain The method of voucher, a kind of device of processing digital certificate on block chain and a kind of computer for implementing preceding method can Read storage medium.

Background technique

Block chain (Blockchain) has obtained extensive discussion and research as the emerging technology risen in recent years.Area Block chain is with the intelligent peer-to-peer network of distributed data base identification, propagation and information-recording, also referred to as value internet.Block Chain technology includes being guaranteed transmission and access safety etc. with block structure storing data using cryptography, it is consistent can be realized data Property storage, tamper-resistant, the technical system for going to center.

Intelligent contract is a kind of computer protocol for being intended to propagate, verify or execute in a manner of information-based contract, can Show as the computer program accurately run on block chain.User terminal can be traded by using intelligent contract, be shared Data, establish trust and by the characteristic of block chain technology ensure the storages of data, reading, execute whole process it is transparent it is traceable, It can not distort.

With based on block chain financial application and participant increase, digital asset based on block chain also with Increase, the digital asset on block chain for example shows as digital certificate.Presently, there are a plurality of types of digital certificates, such as receive Beneficial power, credits, private company's equity etc..

Meanwhile there is also different publishers for these digital certificates.These digital certificates only flow in limited range at present It is logical, also lack circulation between the assets of different type or different publishers.

Invention

It is provided based on the above technical problem and other potential technical problems, the first aspect of the embodiment of the present invention A method of handling digital certificate on block chain, the method includes:

A. the digital certificate transaction request of the first participant is received, wherein the digital certificate transaction request includes described The first kind for the digital certificate that the expectation of first participant is produced and identification information associated with the second participant;

B. judge that second participant connects according to data associated with the identification information in block chain account book data Whether the digital certificate for the Second Type received is identical as the digital certificate of the first kind;And

C. in the different situation of digital certificate of the digital certificate of the Second Type and the first kind,

C1. the third of the digital certificate and the digital certificate with the Second Type that receive the first kind is searched Participant,

C2. the digital certificate of the first kind of the third participant is increased in the block chain account book data, institute State the digital certificate reduction of the Second Type of third participant, the digital certificate of the first kind of first participant subtracts Increase less and by the digital certificate of the Second Type of first participant;And

C3. in the block chain account book data digital certificate of the Second Type of first participant reduced and The digital certificate of the Second Type of second participant is increased.

In addition, the second aspect of the embodiment of the present invention provides a kind of device that digital certificate is handled on block chain, Described device includes:

Processor;And

Memory makes the processor execute following operation when described instruction executes for storing instruction:

A. the digital certificate transaction request of the first participant is received, wherein the digital certificate transaction request includes described The first kind for the digital certificate that the expectation of first participant is produced and identification information associated with the second participant;

B. judge that second participant connects according to data associated with the identification information in block chain account book data Whether the digital certificate for the Second Type received is identical as the digital certificate of the first kind;And

C. in the different situation of digital certificate of the digital certificate of the Second Type and the first kind,

C1. the third of the digital certificate and the digital certificate with the Second Type that receive the first kind is searched Participant,

C2. the digital certificate of the first kind of the third participant is increased in the block chain account book data, institute State the digital certificate reduction of the Second Type of third participant, the digital certificate of the first kind of first participant subtracts Increase less and by the digital certificate of the Second Type of first participant;And

C3. in the block chain account book data digital certificate of the Second Type of first participant reduced and The digital certificate of the Second Type of second participant is increased.

Furthermore the embodiments of the present invention also provide a kind of computer readable storage mediums, with what is be stored thereon Computer-readable program instructions, the computer-readable program instructions are for executing described in previous embodiment according to the present invention The method of digital certificate is handled on block chain.

By handling the method for digital certificate provided by embodiment according to the present invention on block chain, on block chain Handle digital certificate device and corresponding computer readable storage medium can be realized on block chain different type or Mutual conversion between digital asset represented by the assets voucher of different publishers.

Other advantages of the invention will be explained further below.

Detailed description of the invention

It refers to the following detailed description in conjunction with the accompanying drawings, the feature, advantage and other aspects of various embodiments of the present invention will become Must be more obvious, show several embodiments of the invention by way of example rather than limitation herein, in the accompanying drawings:

Fig. 1 shows the method that digital certificate is handled on block chain that one embodiment according to the present invention is proposed 100 flow chart;

Fig. 2 shows the devices that digital certificate is handled on block chain that one embodiment according to the present invention is proposed 200 schematic diagram;And

Fig. 3 shows the device that digital certificate is handled on block chain that another embodiment according to the present invention is proposed 300 schematic diagram.

Specific embodiment

Below with reference to each exemplary embodiment of attached drawing detailed description of the present invention.Although examples described below side Method, device include the software and/or firmware executed on hardware in other components, it should be noted that these examples are only It is merely illustrative, and is not to be taken as restrictive.For example, it is contemplated that within hardware exclusively, in software exclusively or Any or all hardware, software and fastener components can be implemented in any combination of hardware and software.Therefore, although below Illustrative method and apparatus are described, but those skilled in the art should be easily understood that, provided example is not used to Limit the mode for realizing these method and apparatus.

In addition, flowcharts and block diagrams in the drawings show method and system according to various embodiments of the present invention can The architecture, function and operation being able to achieve.It should be noted that function marked in the box can also be according to different from attached drawing The sequence marked occurs.For example, two boxes succeedingly indicated can actually be basically executed in parallel or they have When can also execute in a reverse order, this depend on related function.It should also be noted that flow chart and/or Function as defined in execution or behaviour can be used in the combination of each box in block diagram and the box in flowchart and or block diagram The dedicated hardware based system made is realized, or the combination of specialized hardware and computer instruction can be used to realize.

Term " first ", " second " in the present invention etc. are only used for description reference, purpose or certain specific things, and cannot manage Solution is indication or suggestion relative importance, or implicitly indicates the quantity of indicated technical characteristic.

Term "at least one" in the present invention refers to one or more.

Term " digital certificate " in the present invention refer to being presented on block chain, such as accounts receivable voucher, stock with The various financial valuable papers such as card, equity voucher or usufruct voucher.

Term " identification information " in the present invention is to refer to uniquely be matched to by it in the enterprising line number word of block chain The information of the participant of certificate transactions such as participates in party identifier (i.e. ID), participant title etc..

Term " participant " in the present invention, which refers to, needs to carry out digital certificate transaction, exchange or conversion on block chain Client.

As described above, in the application process of existing digital certificate, since there are different hairs for these digital certificates Row side, such as the digital certificate of accounts receivable class of core enterprise L distribution may only have supplier M and supplier N to be ready to receive, And the accounts receivable of the lesser supplier P distribution of scale may be ready to receive without other transaction participants, thus these are counted The negotiability of word voucher is poor, i.e., there is currently these digital certificates can only circulate in limited range;In addition, not Also lack circulation between same type or the assets of different publishers.

In order to solve the problems, such as techniques discussed above and potential other technologies problem, the present inventor is innovatively Expect realizing the transaction between digital certificate that different participant is possessed using intelligent contract on block chain.Firstly, area Block chain node can receive the digital certificate transaction request of participant, may include the participant in the digital certificate transaction request It is expected that type (such as first kind) and the identification information associated with the second participant of the digital certificate produced.Then, Block chain node to find second participant and can know which kind of class second participant receives by running intelligent contract The digital certificate of type.The number produced desired by the Second Type and the first participant for the digital certificate that the second participant is received In the different situation of the first kind of word voucher, by searching for the digital certificate for receiving the first kind and the can be produced The third participant of the digital certificate of two types and number of the completion from the first participant in the presence of the third participant The desired transaction completed of word certificate transactions request.

Certainly, as selectable step, the number that participant possesses can be obtained by reading block chain account book data The type and amount of word voucher, specifically, each participant all have data associated therewith, institute in block chain account book Can be obtained according to the reading for block chain account book data associated with multiple participants with block chain node and these The type and/or the related information of amount of the digital certificate of each participant in participant.The step can both establish area Just be completed at the beginning of block chain network, also can in the method for implementation basis the embodiment of the present invention or before complete.In addition, Progress authentication is not needed in publicly-owned chain can access block chain, and then need to carry out authentication in alliance's chain, with Determine each participant in the participant of digital certificate transaction for the access authority of the block chain.

Fig. 1 shows the method that digital certificate is handled on block chain that one embodiment according to the present invention is proposed 100 flow chart.It can be seen from the figure that should handle the method 100 of digital certificate on block chain can include the following steps:

Firstly, in method and step 110, receive the digital certificate transaction request of the first participant, wherein the number with Card transaction request includes the first kind of the digital certificate that first participant expectation is produced and related to the second participant The identification information of connection;

Then, in method and step 120, sentenced according to data associated with the identification information in block chain account book data Whether the digital certificate for the Second Type that second participant of breaking receives is identical as the digital certificate of the first kind;And

Finally, in method and step 130, in the digital certificate of the Second Type and the digital certificate of the first kind In different situation, by searching for the number for completing completion desired by the digital certificate transaction request to suitable third party Certificate transactions.From the point of view of specific, this method step 130 includes three sub-steps in the embodiment shown in fig. 1, respectively:

A) it searches the digital certificate for receiving the first kind in this step and has described the in method and step 132 The third participant of the digital certificate of two types;

B) then in method and step 134, by the first kind of the third participant in the block chain account book data The digital certificate of type increases, the digital certificate of the Second Type of the third participant is reduced, first participant The digital certificate of the first kind reduces and increases the digital certificate of the Second Type of first participant, thus by the The first kind that one participant is possessed digital certificate transaction at the second participant received Second Type digital certificate;

C) finally, in method and step 136, by the second class of first participant in the block chain account book data The digital certificate of type reduces and increases the digital certificate of the Second Type of second participant, thus by means of it The preceding digital certificate that Second Type is converted to from third participant completes the number between the first participant and the second participant Word certificate transactions.

Method by handling digital certificate provided by embodiment according to the present invention on block chain can be in block By searching for being realized represented by the assets voucher of different type or different publisher to suitable third participant on chain Mutual conversion between digital asset.

In specific conversion process, it can take many forms.For example, when the second above-mentioned participant does not receive the When one participant intends the digital certificate produced, need to introduce the step of searching third participant.For example, it exactly such as participates in Square A (the first participant in the application) and participant B (the second participant in the application) both sides carry out digital certificate transaction, Participant A wishes that the digital certificate by X type pays participant B, but participant B does not receive the digital certificate of X type, But it is ready to receive the digital certificate of Y type;At this point, block chain node can search participant C by running intelligent contract (the third participant in the application), search participant C standard be the participant must possess Y type digital certificate and And be ready to receive the digital certificate of X type, after finding such participant C, between participant A and participant C first It trades, so that the digital certificate of the X type of participant A to be converted to the digital certificate of Y type, is handed in this secondary digital certificate After being readily accomplished, participant A just has the digital certificate of Y type, is then counted between participant A and participant B again Word certificate transactions, digital certificate that is that participant A is possessed and being the Y type that participant B is received pay participant B, to realize the digital certificate transaction reached desired by digital certificate transaction request that participant A is initiated.

In specific implementation, when participant A and participant C carry out digital certificate transaction, by the digital certificate of X type by Participant A pays participant C, while will pay the digital certificate of Y type to participant A by participant C.Then, joining When carrying out digital certificate transaction with square A and participant B, the digital certificate of Y type is paid to participant B by participant A.

In some embodiments according to the present invention, the digital certificate of the Y type is not only the class that participant B is received The digital certificate of type, while being also the digital certificate for the type that participant A and/or participant C are received, that is to say, that the Y class The digital certificate of type is a kind of relatively general digital certificate, and the digital certificate of the i.e. described Second Type is first ginseng at this time With the digital certificate of the type just received.In the case where more special, if multiple participants can support same number Word voucher, i.e. such as the first participant and the second participant are supported to run the number that intelligent contract is issued by block chain node Voucher, then can be produced first participant expectation according to the digital certificate transaction request of first participant at this time Digital certificate transaction be this kind of digital certificate;Then, then digital certificate by means of being converted to and described second participates in The transaction of Fang Jinhang digital certificate.

As previously mentioned, the term digital certificate in the embodiment of the present invention includes accounts receivable voucher, equity voucher or receipts At least one of benefit power voucher.

In addition, because each user can directly access block chain, not needing authentication in publicly-owned chain; But for the block chain that alliance's chain etc. needs authentication, the above method can also include carrying out body to the first participant Part verifying, with determination first participant for the access authority of the block chain, specifically from the point of view of, it is only logical in authentication In the case where crossing, just allow processing for the digital certificate transaction request, with ensure block chain network safety in utilization, Reliability and legitimacy.

The method for the processing digital certificate that the embodiment of the present invention is proposed is conducive to the systematization of digital certificate transaction, mark Standardization.With the popularization and application of block chain, it will have huge technological value.

In addition, alternatively, the above method can be by computer program product, i.e. computer readable storage medium is real It is existing.Computer program product may include computer readable storage medium, containing for executing various aspects of the invention Computer-readable program instructions.Computer readable storage medium can be to keep and store and be used by instruction execution equipment Instruction tangible device.Computer readable storage medium can for example be but not limited to storage device electric, magnetic storage apparatus, light Store equipment, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer-readable storage medium The more specific example (non exhaustive list) of matter includes:Portable computer diskette, hard disk, random access memory (RAM), only Read memory (ROM), erasable programmable read only memory (EPROM or flash memory), static random access memory (SRAM), just Take formula compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, such as It is stored thereon with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.It is used herein above Computer readable storage medium is not interpreted instantaneous signal itself, the electromagnetism of such as radio wave or other Free propagations Wave, the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) propagated by waveguide or other transmission mediums or pass through electric wire The electric signal of transmission.

Fig. 2 shows the devices that digital certificate is handled on block chain that one embodiment according to the present invention is proposed 200 block diagram.From figure 2 it can be seen that on block chain handle digital certificate device 200 include processor 210 and with The memory 220 that processor 210 couples.

Memory 220 is stored with instruction.Instruction makes processor 210 execute following movement when being executed by processor 210:

A. the digital certificate transaction request of the first participant is received, wherein the digital certificate transaction request includes described The first kind for the digital certificate that the expectation of first participant is produced and identification information associated with the second participant;

B. judge that second participant connects according to data associated with the identification information in block chain account book data Whether the digital certificate for the Second Type received is identical as the digital certificate of the first kind;And

C. in the different situation of digital certificate of the digital certificate of the Second Type and the first kind,

A) C1. searches the of the digital certificate for receiving the first kind and the digital certificate with the Second Type Three participants,

B) C2. the digital certificate of the first kind of the third participant is increased in the block chain account book data, The digital certificate of the Second Type of the third participant reduces, the digital certificate of the first kind of first participant It reduces and increases the digital certificate of the Second Type of first participant;And

C) C3. is reduced the digital certificate of the Second Type of first participant simultaneously in the block chain account book data And the digital certificate of the Second Type of second participant is increased.

In one embodiment according to the present invention, the digital certificate of the Second Type is that first participant receives Type digital certificate.

In one embodiment according to the present invention, the processor is also made to execute following behaviour when described instruction executes Make:

C'. in the digital certificate of Second Type situation identical with the digital certificate of the first kind, in institute It states and the digital certificate of the first kind of first participant is reduced in block chain account book data and is participated in described second The digital certificate of the first kind of side increases.

In one embodiment according to the present invention, also make the processor 310 in operation A when described instruction executes Following operation is executed before or between operation A and operation B:

X. the type and volume of the digital certificate that first participant possesses are obtained by reading block chain account book data Degree.

In one embodiment according to the present invention, the digital certificate includes at least one in following voucher:

Accounts receivable voucher;

Equity voucher;With

Usufruct voucher.

In one embodiment according to the present invention, the processor is also made to execute following behaviour when described instruction executes Make:

Authentication is carried out to first participant;And

In the case where authentication passes through, allow the processing for the digital certificate transaction request.

Fig. 3 shows the device that digital certificate is handled on block chain that one embodiment according to the present invention is proposed 300 schematic block diagram.It should be appreciated that device 300, which may be implemented as realizing in Fig. 1, handles digital certificate on block chain Method 100 function.As can be seen from Figure 3 the device 300 that digital certificate is handled on block chain includes central processing list Member (CPU) 301 (such as processor), can according to the computer program instructions being stored in read-only memory (ROM) 302 or Person is loaded into the computer program instructions in random access storage device (RAM) 303 from storage unit 308, various appropriate to execute Movement and processing.In RAM 303, it can also store the device 300 and operate required various programs and data.CPU 301, ROM 302 and RAM 303 is connected with each other by bus 304.Input/output (I/O) interface 305 is also connected to bus 304.

Multiple components in device 300 are connected to I/O interface 305, including:Input unit 306, such as keyboard, mouse etc.; Output unit 307, such as various types of displays, loudspeaker etc.;Storage unit 308, such as disk, CD etc.;And it is logical Believe unit 309, such as network interface card, modem, wireless communication transceiver etc..It is all that communication unit 309 allows the device 300 to pass through As the computer network of internet and/or various telecommunication networks exchange information/data with other equipment.

Various methods described above, such as the method for processing digital certificate can be by processing unit on block chain 301 execute.For example, in some embodiments, the method 100 that digital certificate is handled on block chain may be implemented as computer Software program is tangibly embodied in machine readable media, such as storage unit 308.In some embodiments, computer journey The some or all of of sequence can be loaded into and/or be installed to the device 300 via ROM 302 and/or communication unit 309 On.When computer program is loaded into RAM 303 and is executed by CPU 301, can execute above-described on block chain Handle one or more movements or the step in the method 100 of digital certificate.

In general, various example embodiments of the invention can in hardware or special circuit, software, firmware, logic, or Implement in any combination thereof.Some aspects can be implemented within hardware, and other aspects can be can be by controller, micro process Implement in the firmware or software that device or other calculating equipment execute.When the various aspects of the embodiment of the present invention are illustrated or described as When block diagram, flow chart or other certain graphical representations of use, it will be understood that box described herein, device, system, techniques or methods Can be used as unrestricted example hardware, software, firmware, special circuit or logic, common hardware or controller or other It calculates and implements in equipment or its certain combination.

Although described above is various example embodiments of the invention can realize in hardware or special circuit, on Stating can both be implemented in hardware for the data processing equipment of block chain, can also be by way of software come real It is existing, this is because:In the 1990s, a technological improvement can easily belong to the improvement on hardware to the improvement (for example, improvement to circuit structures such as diode, transistor, switches) still falls within the improvement on software (such as method The improvement of process).However, with the sustainable development of technology, the improvement of many method flows of today can nearly all pass through by Improved method flow is programmed into hardware circuit to realize, in other words, by programming different programs for hardware circuit To obtaining corresponding hardware circuit, that is, realize the change of hardware circuit, therefore the improvement of such method flow It can also be considered as directly improving for hardware circuit.Therefore, it cannot be said that the improvement of a method flow cannot use hardware Entity module is realized.For example, programmable logic device (Programmable Logic Device:PLD) (such as scene can Program gate array (Field Programmable Gate Array:It FPGA)) is exactly such a integrated circuit, logic function Device programming can be determined by user.It is voluntarily programmed by designer a digital display circuit " integrated " may be programmed a piece of On logical device, dedicated IC chip is designed and made without asking chip maker.Moreover, nowadays replacing IC chip is manually made, this programming is also used " logic compiler (logic compi1er) " software instead mostly and come in fact Existing, software compiler used is similar when it writes with program development, and the source code before compiling is also handy specific Programming language write, this is referred to as hardware description language (Hardware Description Language:HDL), and HDL also not only-kind, but there are many kind, as ABEL (Advanced Boolean Expression Language), AHDL(Altera Hardware Description Language)、Confluence、CUPL(Cornell University Programming Language)、HDCal、JHDL(Java Hardware Description Language)、Lava、 Lola, MyHDL, PALASM, RHDL (Ruby Hardware Description Language) etc., most generally use at present VHDL (Very-High-Speed Integrated Circuit Hardware Description Language) with Verilog.Those skilled in the art, which also will be apparent to the skilled artisan that, only to need with above-mentioned several hardware description languages slightly to patrol method flow It collects and programs and be programmed into integrated circuit, so that it may be readily available the hardware circuit for realizing the logical method process.

Computer-readable program instructions or computer program product for executing various aspects of the invention also can Beyond the clouds, when needing to call, user can access storage beyond the clouds by mobile Internet, fixed network or other networks for storage On for executing the computer-readable program instructions of an aspect of of the present present invention, thus implementation basis various aspects of the invention institute Disclosed technical solution.

In conclusion by the method that handles digital certificate provided by embodiment according to the present invention on block chain, The device of digital certificate is handled on block chain and corresponding computer readable storage medium can be by means of on block chain Intelligent contract realizes the mutual conversion between digital asset represented by the assets voucher of different type or different publisher.

Alternative embodiment that the above description is only an embodiment of the present invention, the embodiment being not intended to restrict the invention, for For those skilled in the art, the embodiment of the present invention can have various modifications and variations.It is all in the embodiment of the present invention Within spirit and principle, made any modification, equivalence replacement, improvement etc. should be included in the protection of the embodiment of the present invention Within the scope of.

Although by reference to several embodiments that specific examples describe the present invention, but it is to be understood that of the invention Embodiment is not limited to disclosed specific embodiment.The embodiment of the present invention be intended to cover appended claims spirit and Included various modifications and equivalent arrangements in range.The scope of the claims meets broadest explanation, thus comprising all Such modification and equivalent structure and function.

Claims (13)

1. a kind of method that digital certificate is handled on block chain, the method includes:
A. the digital certificate transaction request of the first participant is received, wherein the digital certificate transaction request includes described first The first kind for the digital certificate that participant expectation is produced and identification information associated with the second participant;
B. judge what second participant received according to data associated with the identification information in block chain account book data Whether the digital certificate of Second Type is identical as the digital certificate of the first kind;And
C. in the different situation of digital certificate of the digital certificate of the Second Type and the first kind,
C1. the third for searching the digital certificate and the digital certificate with the Second Type that receive the first kind participates in Side,
C2. the digital certificate of the first kind of the third participant is increased in the block chain account book data, described the The digital certificate of the Second Type of three participants is reduced, the digital certificate of the first kind of first participant is reduced, And the digital certificate of the Second Type of first participant is increased;And
C3. in the block chain account book data digital certificate of the Second Type of first participant reduced and by institute The digital certificate for stating the Second Type of the second participant increases.
2. according to the method described in claim 1, wherein, the digital certificate of the Second Type is that first participant receives Type digital certificate.
3. according to the method described in claim 1, the method also includes:
C'. in the digital certificate of Second Type situation identical with the digital certificate of the first kind, in the area The digital certificate of the first kind of first participant reduced in block chain account book data and by second participant The digital certificate of the first kind increases.
4. according to the method described in claim 1, the method is also wrapped before step A or between step A and step B It includes:
X. the type and amount of the digital certificate that first participant possesses are obtained by reading block chain account book data.
5. method according to any of the preceding claims, wherein the digital certificate include in following voucher extremely One item missing:
Accounts receivable voucher;
Equity voucher;With
Usufruct voucher.
6. according to the method described in claim 1, the method also includes:
Authentication is carried out to first participant;And
In the case where authentication passes through, allow the processing for the digital certificate transaction request.
7. a kind of device for handling digital certificate on block chain, described device include:
Processor;And
Memory makes the processor execute following operation when described instruction executes for storing instruction:
A. the digital certificate transaction request of the first participant is received, wherein the digital certificate transaction request includes described first The first kind for the digital certificate that participant expectation is produced and identification information associated with the second participant;
B. judge what second participant received according to data associated with the identification information in block chain account book data Whether the digital certificate of Second Type is identical as the digital certificate of the first kind;And
C. in the different situation of digital certificate of the digital certificate of the Second Type and the first kind,
C1. the third for searching the digital certificate and the digital certificate with the Second Type that receive the first kind participates in Side,
C2. the digital certificate of the first kind of the third participant is increased in the block chain account book data, described the The digital certificate of the Second Type of three participants is reduced, the digital certificate of the first kind of first participant is reduced, And the digital certificate of the Second Type of first participant is increased;And
C3. in the block chain account book data digital certificate of the Second Type of first participant reduced and by institute The digital certificate for stating the Second Type of the second participant increases.
8. device according to claim 7, wherein the digital certificate of the Second Type is that first participant receives Type digital certificate.
9. device according to claim 7 also makes the processor execute following operation when described instruction executes:
C'. in the digital certificate of Second Type situation identical with the digital certificate of the first kind, in the area The digital certificate of the first kind of first participant reduced in block chain account book data and by second participant The digital certificate of the first kind increases.
10. device according to claim 7, also make the processor before operating A when described instruction executes or Person executes following operation between operation A and operation B:
X. the type and amount of the digital certificate that first participant possesses are obtained by reading block chain account book data.
11. device according to claim 7, wherein the digital certificate includes at least one in following voucher:
Accounts receivable voucher;
Equity voucher;With
Usufruct voucher.
12. device according to claim 7 also makes the processor execute following operation when described instruction executes:
Authentication is carried out to first participant;And
In the case where authentication passes through, allow the processing for the digital certificate transaction request.
13. a kind of computer readable storage medium has the computer-readable program instructions being stored thereon, the computer Readable program instructions are used to execute the side according to any one of claim 1 to 6 that digital certificate is handled on block chain Method.
CN201810899930.3A 2018-08-09 2018-08-09 The method, apparatus and readable storage medium storing program for executing of digital certificate are handled on block chain CN108876382A (en)

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