CN106570757A - Block chain-based crowd funding method, device and system - Google Patents
Block chain-based crowd funding method, device and system Download PDFInfo
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- CN106570757A CN106570757A CN201610976300.2A CN201610976300A CN106570757A CN 106570757 A CN106570757 A CN 106570757A CN 201610976300 A CN201610976300 A CN 201610976300A CN 106570757 A CN106570757 A CN 106570757A
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Abstract
The invention provides a block chain-based crowd funding method, a device and a system. The method comprises steps: crowd funding information released by a project manager through a first crowd funding platform is received; the crowd funding information is written to a block chain node corresponding to the first crowd funding platform in the block chain system; data in the block chain node corresponding to the first crowd funding platform are synchronized to each block chain node corresponding to at least one second crowd funding platform in the block chain system respectively; crowd funding transaction information sent by the first crowd funding platform and the at least one second crowd funding platform is received; and the crowd funding transaction information is written to the block chain node corresponding to the crowd funding platform releasing the information, and the data in the block chain node are synchronized to block chain nodes corresponding to other crowd funding platforms except the first crowd funding platform and the at least one second crowd funding platform. The device comprises a receiving unit, a storage unit and a synchronizing unit. Crowd funding cross crowd funding platforms can be realized.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of crowd based on block chain raises method, apparatus and system.
Background technology
It is a kind of pattern that form by purchasing by group and purchasing in advance raises from project funds to online friend that crowd raises, and the processes that crowd raises are main
Including：Project side raises platform and issues its raise money project and corresponding assets rights and interests by crowd, and investor raises platform and checks by crowd
And the assets of respective numbers are subscribed, project sides obtain the fund that investor's purchase assets are spent after crowd raises successfully, using acquisition
Fund corresponding project is developed, and pay corresponding return to investor according to assets rights and interests.
At present when carrying out crowd and raising, project side selects a crowd to raise platform and issue its crowd and raises project, and by the crowd platform is raised
Sell its crowd to raise funds to produce.
It is directed to current crowd and raises method, because different crowds raise platform respective data base is possessed, and each crowd raises platform
It is unable to shared data between data base, thus can not realizes raising platform and carrying out crowd across crowd raising, therefore investor needs registration different
Crowd raises the account of platform, with buy different crowds raise platform issue crowd raise project.
The content of the invention
Embodiments provide a kind of crowd based on block chain and raise method, apparatus and system, can realize being raised across crowd
Platform carries out crowd and raises.
Embodiments provide a kind of crowd based on block chain and raise method, including：
Reception project side information is raised by the crowd that the first crowd raises platform issue；
The crowd is raised and is raised in the corresponding block chain node of platform with first crowd in information write block catenary system；
First crowd is raised into the data in the corresponding block chain node of platform to be synchronized to respectively in the block catenary system
Raise in corresponding each block chain node of platform with least one second crowds；
Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises Transaction Information；
By the crowd raise Transaction Information write send the information crowd raise in the corresponding block chain node of platform, Bing Jianggai areas
Data syn-chronization in block chain node raises platform to first crowd and at least one second crowd raises other each crowds in platform
In raising the corresponding block chain node of platform.
Preferably,
Crowd's information of raising includes：Crowd raises project information and the crowd raises the corresponding assets information of project information, wherein,
The assets information includes：Equity information, credits information, avail information, bootstrap information, product information and service
Any one or more in information.
Preferably,
The described crowd is raised in information write block catenary system raises the corresponding block chain node of platform with first crowd
In, including：
Crowd's information of raising is encrypted by default public key, by encryption after crowd's information of raising write
Enter first crowd to raise in the corresponding block chain node of platform；
First crowd is raised the data in the corresponding block chain node of platform it is synchronized to the block chain respectively described
After raising with least one second crowds in system in the corresponding block chain node of platform, further include：
The private key corresponding with the public key is sent to into one or more that described at least one second crowds raise in platform,
Number is raised to the crowd recorded in each self-corresponding block chain node so that second crowd for receiving the private key raises platform
According to being decrypted.
Preferably,
It is described to receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises Transaction Information,
Including：
Receive that first crowd raises platform and at least one second crowd raises the assets of platform transmission and subscribes register information,
Wherein described assets subscribe that register information raises platform by first crowd or second crowd raises assets of the platform according to investor
The process of subscribing is formed, and the assets are subscribed process and raise platform and described at least one according to first crowd by the investor
Two crowds raise crowd's information of raising of platform displaying and carry out；
Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises result register information,
Wherein described crowd raises that result register information raises platform by first crowd or second crowd raises platform and raises result according to crowd and formed,
The crowd raises result register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises successfully rear table
Show that investor subscribes investor's assets information of Assets；
It is described by the crowd raise Transaction Information write send the information crowd raise in the corresponding block chain node of platform, wrap
Include：
The assets are subscribed into register information and the crowd raises the write of result register information and sends the crowd of the information and raises platform
In corresponding block chain node.
Preferably,
It is described to receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises Transaction Information,
Including：
Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises result register information,
Wherein described crowd raises that result register information raises platform by first crowd or second crowd raises platform and raises result according to crowd and formed,
The crowd raises result register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises successfully rear table
Show that investor subscribes investor's assets information of Assets；
It is described by the crowd raise Transaction Information write send the information crowd raise in the corresponding block chain node of platform, wrap
Include：
The assets are subscribed into register information and the crowd raises the write of result register information and sends the crowd of the information and raises platform
In corresponding block chain node.
The embodiment of the present invention additionally provides a kind of crowd based on block chain and raises device, including：Receiving unit, memory element,
Lock unit；
The receiving unit, information is raised for receiving project side by the crowd that the first crowd raises platform issue, and receives institute
State that the first crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise Transaction Information；
The memory element, the crowd for the receiving unit to be received raise information write block catenary system in
First crowd is raised in the corresponding block chain node of platform, and the crowd that the receiving unit is received raises Transaction Information
Write sends the crowd of the information and raises in the corresponding block chain node of platform；
The lock unit, for the memory element by the crowd raise information and the crowd to raise Transaction Information write right
After in the block chain node answered, by write fresh information block chain node in data syn-chronization in the block catenary system with institute
State that the first crowd raises platform and at least one second crowd is raised in corresponding each other block chain node of platform.
Preferably, the device is further included：Transmitting element；
The memory element, for being encrypted to crowd's information of raising by default public key, by encryption
The crowd afterwards raises information write first crowd and raises in the corresponding block chain node of platform；
The transmitting element, raises flat for the private key corresponding with the public key to be sent to into described at least one second crowds
One or more in platform, so that second crowd for receiving the private key raises platform in each self-corresponding block chain node
The crowd of record raises data and is decrypted.
Preferably,
The receiving unit, for receiving, first crowd raises platform and at least one second crowd raises platform transmission
Assets subscribe register information, wherein the assets subscribe register information raises platform and described at least one second by first crowd
Crowd raises platform and is formed according to the assets process of subscribing of investor, and the assets subscribe process by the investor according to described first
Crowd raises platform and at least one second crowd raises crowd's information of raising of platform displaying and carries out；And reception first crowd raises
Platform and at least one second crowd raise the crowd of platform transmission and raise result register information, wherein the crowd raises result register information
Platform is raised by first crowd or second crowd raises platform and raises result according to crowd and formed, the crowd raises result register information to be included
Crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards that investor subscribes the throwing of Assets
Capital's assets information；
The memory element, the assets for the receiving unit to be received subscribe register information and the crowd raises
As a result register information write sends the crowd of the information and raises in the corresponding block chain node of platform.
Preferably,
The receiving unit, for receiving, first crowd raises platform and at least one second crowd raises platform transmission
Crowd raises result register information, wherein the crowd raises, result register information raises platform by first crowd or second crowd raises platform
Result is raised according to crowd to be formed, the crowd raises result register information includes that crowd raises unsuccessfully investor's reimbursement letter of backward investor's reimbursement
Breath or crowd raise and successfully represent afterwards that investor subscribes investor's assets information of Assets；
The memory element, the crowd for the receiving unit to be received raises the write transmission of result register information should
The crowd of information is raised in the corresponding block chain node of platform.
The embodiment of the present invention additionally provides a kind of crowd based on block chain and raises system, including：First crowd raises platform, at least one
Individual second crowd raises platform and any one crowd for being based on block chain of above-described embodiment offer raises device；
First crowd raises platform, and the crowd for receiving the issue of project side raises information, and crowd's information of raising is sent to into institute
State and device is raised based on the crowd of block chain；And acquisition raises the crowd on platform and raises many crowds for raising corresponding to information and raise to conclude the business and believes in the crowd
Breath, raises the crowd for getting Transaction Information and is sent to the crowd based on block chain and raise device；
Each described two crowd raises platform, raises the crowd on platform in the crowd for acquisition and raises the crowds that crowd corresponding to information raises
Raise Transaction Information, and the crowd for getting raises Transaction Information and is sent to the crowd based on block chain and raises device.
Embodiments provide a kind of based on the method for block chain, apparatus and system, project side is raised by the first crowd
Platform is issued crowd and is raised after information, crowd is raised in information write block catenary system and raises the corresponding block chain node of platform with the first crowd
In, and the first crowd is raised into data syn-chronization in the corresponding block chain node of platform to many with least one second in block catenary system
In raising the corresponding block chain node of platform；Platform is raised by the first crowd and at least one second crowds raise platform according to respective correspondence block
Crowd in chain node raises information and carries out crowd respectively and raises transaction, and crowd is raised into Transaction Information is respectively written into each self-corresponding block chain link
Point in.Can be mutually synchronized data between the corresponding block chain node of platform because each crowd raises, thus each crowd raises platform pair
The data stored in the block chain node answered all are identicals, i.e. each crowd raises platform and shares same data base；Again due to area
Block catenary system has can not be distorted and the characteristic that can trace to the source, constrained each crowd and raised platform and can not arbitrarily change crowd and raise data, it is ensured that
The credibility of data in block catenary system；Therefore, each crowd raise platform can be by the same block linkwork trusted each other
System carries out crowd and raises, and realizes raising platform and carrying out crowd across crowd raising.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is the flow chart that a kind of crowd based on block chain that one embodiment of the invention is provided raises method；
Fig. 2 is the flow chart that a kind of crowd based on block chain that another embodiment of the present invention is provided raises method；
Fig. 3 is the schematic diagram that a kind of crowd based on block chain that one embodiment of the invention is provided raises device place equipment；
Fig. 4 is the schematic diagram that a kind of crowd based on block chain that one embodiment of the invention is provided raises device；
Fig. 5 is the schematic diagram that a kind of crowd based on block chain that one embodiment of the invention is provided raises system.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, embodiments providing a kind of crowd based on block chain raises method, the method can include with
Lower step：
Step 101：Reception project side information is raised by the crowd that the first crowd raises platform issue；
Step 102：The crowd is raised in information write block catenary system and raises the corresponding block chain of platform with first crowd
In node；
Step 103：First crowd is raised into the data in the corresponding block chain node of platform and is synchronized to block linkwork respectively
During corresponding each block chain node of platform is raised with least one second crowds in system；
Step 104：Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises transaction
Information；
Step 105：By the crowd raise Transaction Information write send the information crowd raise in the corresponding block chain node of platform,
And the data syn-chronization in the block chain node to first crowd raised into platform and at least one second crowd raises in platform it
Each crowd is raised in the corresponding block chain node of platform.
Embodiments provide a kind of crowd based on block chain and raise method, project side raises platform and issues by the first crowd
Crowd is raised after information, crowd is raised and is raised in the corresponding block chain node of platform with the first crowd in information write block catenary system, and by the
The data syn-chronization that one crowd is raised in the corresponding block chain node of platform raises platform pair in block catenary system with least one second crowds
In the block chain node answered；Platform is raised by the first crowd and at least one second crowds raise platform according in respective correspondence block chain node
Crowd raise information and carry out crowd respectively and raise transaction, and crowd raised into Transaction Information be respectively written in each self-corresponding block chain node.By
Raise in each crowd and can be mutually synchronized data between the corresponding block chain node of platform, thus each crowd raises the corresponding block of platform
The data stored in chain node are all identicals, i.e. each crowd raises platform and shares same data base；Again due to block catenary system
With the characteristic that can not be distorted He can trace to the source, constrain each crowd and raise platform and can not arbitrarily change crowd and raise data, it is ensured that block chain
The credibility of data in system；Therefore, each crowd raises platform and can carry out crowd by the same block catenary system trusted each other
Raise, realize raising platform and carrying out crowd across crowd raising.
In an embodiment of the invention, project side raises information and raises project including crowd by the crowd that the first crowd raises platform issue
Information and the crowd raise the corresponding assets information of project information, and wherein assets information includes equity information, credits information, income letter
Any one or more in breath, bootstrap information, product information and information on services.
Project information is raised by crowd and can determine that the crowd of project side's issue raises the details of project, by assets information energy
Assets that enough side of identifying project is issued and the promise made to investor, by crowd project information and assets information write area are raised
In block catenary system, making crowd raise project information and assets information cannot be tampered, and many behaviors for raising information are issued to project side to be carried out
Deterrence, it is ensured that issue the verity that crowd raises information in project side.
Due to assets information can include equity information, credits information, avail information, bootstrap information, product information and
Any one or more in information on services, thus the crowd's method of raising based on block chain provided in the embodiment of the present invention can be answered
Raise for a variety of crowds, than being raised, being serviced crowd and raise with being applied to product crowd, so as to ensure that this is raised based on crowd of block chain
Method has the higher suitability.
In an embodiment of the invention, receive the first crowd raise platform transmission crowd raise information after, by default
Public key is encrypted to the crowd's information of raising for receiving, and the crowd after encryption is raised into information the first crowd of write and raises platform correspondence
Block chain node in；Data syn-chronization in the first crowd to be raised the corresponding block chain node of platform is raised at least one second crowds
After in the corresponding block chain node of platform, the private key corresponding with default public key is sent at least one second crowds and raises flat
One or more in platform, the second crowd for receiving private key raises platform and can pass through the private key that receives to itself corresponding block
Crowd in chain node raises data and is decrypted.
Write before the first crowd raised in the corresponding block chain node of platform crowd to be raised data, by default public key to crowd
Raise data to be encrypted, so the first crowd is raised into the data syn-chronization in the corresponding block chain node of platform and raise flat to each second crowd
After in the corresponding block chain node of platform, each second crowd raises the crowd stored in the corresponding block chain node of platform and raises data and locate
In encrypted state；The private key corresponding with default public key is sent at least one second for specifying according to the requirement of project side
Crowd raises platform, or the private key corresponding with default public key is sent to raise at least one second of platform cooperation with the first crowd
Crowd raises platform；The second crowd for receiving private key raises platform and raises data to the crowd in corresponding block chain node by private key and solves
It is close, raise crowd acquisition crowd after data are decrypted and raise project information and assets information, such that it is able to show that crowd raises project and sells
Crowd raises funds to produce；The second crowd without receiving private key raises platform and is decrypted due to raising data to crowd, so cannot be right
Corresponding crowd raises and is shown and sells.
Although each crowd raises the data base that platform shares a block catenary system form, by block catenary system
Data be encrypted and can limit the authority that each crowd raises platform, the crowd for obtaining decrypted private key raises platform and can show and sell
Crowd raises product, and the crowd for not obtaining decrypted private key raises platform and cannot show and sell that crowd raises product, such that it is able to select according to demand
Platform is raised with the crowd for showing and selling authority, it is ensured that crowd raises platform and the interests of project side are controllable, improve this based on block
The crowd of chain raises the suitability of method.
The content difference that Transaction Information includes is raised according to crowd, step 104 and step 105 have not in embodiment illustrated in fig. 1
Same implementation.Two different form of crowd is provided below and raises Transaction Information, respectively：
Form one：Register information is subscribed including assets and many crowds for raising result register information raise Transaction Information；
Form two：The crowd for raising result register information including crowd raises Transaction Information；
Below for above-mentioned form one and form, 2 two kinds of different crowds raise Transaction Information, to walking in embodiment illustrated in fig. 1
Rapid 104 and step 105 realize that process is described separately：
It is directed to form one：
Step 104 includes：Receive that the first crowd raises platform and at least one second crowds raise the assets of platform transmission and subscribe registration
It is to raise platform by the first crowd and at least one second crowds raise money of the platform according to investor that information, wherein assets subscribe register information
Product subscribes process formation, and assets subscribe that process raises platform by investor according to the first crowd and at least one second crowds raise platform exhibition
The crowd's information of raising shown is carried out；Receive that the first crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise result registered letter
Breath, wherein crowd raises, and result register information raises platform by the first crowd or the second crowd raises platform and formed according to the result that crowd raises, crowd raises knot
Fruit register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards that investor recognizes
Investor's assets information of purchase Assets；
Step 105 includes：The assets for receiving are subscribed into register information and crowd raises the write of result register information and sends the letter
The crowd of breath is raised in the corresponding block chain node of platform.
Specifically,
First crowd raises platform and at least one second crowds raise crowd of the platform in itself corresponding block chain node and raise letter
Breath, raises displaying crowd on platform and raises project and corresponding Assets in respective crowd, and investor raises platform or each by the first crowd
Individual second crowd raises platform and subscribes after corresponding assets, and the fund that investor pays is locked, and forms a corresponding assets
Subscribe register information, the assets each time of investor are subscribed process and can all form a corresponding assets and subscribe register information, should
Assets subscribe register information be written into occur transaction crowd raise in the corresponding block chain node of platform；
Can synchronize because each crowd raises the data in the corresponding block chain node of platform, the first crowd raise platform and each
Second crowd raises assets of the platform respectively in itself corresponding block chain node and subscribes register information, judges to be raised in default crowd
Crowd whether being reached in time and raise target, judging that crowd raises successfully if crowd raises target if reached in raising the time in crowd, otherwise judge
Crowd raises unsuccessfully.It is directed to each crowd and raises platform, if it is determined that crowd raises unsuccessfully, many throwings for raising funds to produce of platform purchase will be raised from the crowd
The recovery of funds of capital, forms corresponding investor's reimbursement information, and investor's reimbursement information of formation is write into the crowd and raise flat
In the corresponding block chain node of platform；If it is determined that crowd raises successfully, raise many investors' for raising funds to produce of platform purchase according to from the crowd
Assets information, formation includes project side ID, project side's password, assets registration ID, investor ID, number of transaction, assets effect duration
And any one or more investor's assets information in electronic contract, each investor's assets information of formation is written into the crowd
In raising the corresponding block chain node of platform.
Registration is subscribed because the process of transaction in assets each time that each crowd raises platform can form a corresponding assets
Information, corresponding to transaction in assets each time assets subscribe register information be written into correspondence crowd raise the corresponding block chain link of platform
Point in；The mechanism of data syn-chronization between platform correspondence block chain node is raised by each crowd, each crowd raises the corresponding block of platform
The corresponding assets of transaction in assets each time subscribe register information during the crowd that is stored with chain node raises.No matter crowd raise whether into
Work(, by being stored in block chain node in assets registration subscribe information, can obtain investor participate in crowd raise the complete of process
Complete record, because the data in block catenary system cannot be tampered, thus can improve the credibility that crowd raises process.
It is directed to form two：
Step 104 includes：Receive that the first crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise result registration
Information, wherein crowd raises, and result register information raises platform by the first crowd or the second crowd raises platform and formed according to the result that crowd raises, crowd raises
As a result register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards investor
Subscribe investor's assets information of Assets；
Step 105 includes：The crowd for receiving is raised into the write of result register information to send the crowd of the information to raise platform corresponding
In block chain node.
Specifically,
First crowd raises platform and at least one second crowds raise platform according to the crowd stored in itself corresponding block chain node
Information is raised, displaying crowd on platform is raised in respective crowd and is raised project and corresponding Assets, investor raises platform by the first crowd
Or second crowd raise platform and buy corresponding assets；First crowd raises platform and at least one second crowds raise platform and judge in default crowd
Raising and whether reach crowd in the time and raise target, judging that crowd raises successfully if crowd raises target if reached in raising the time in crowd, otherwise sentence
Disconnected crowd raises unsuccessfully；
It is directed to each crowd and raises platform, if it is determined that crowd raises unsuccessfully, many throwings for raising funds to produce of platform purchase will be raised from the crowd
The recovery of funds of capital, forms corresponding investor's reimbursement information, and investor's reimbursement information of formation is write into the crowd and raise flat
In the corresponding block chain node of platform；If it is determined that crowd raises successfully, raise many investors' for raising funds to produce of platform purchase according to from the crowd
Assets information, formation includes project side ID, project side's password, assets registration ID, investor ID, number of transaction, assets effect duration
And any one or more investor's assets information in electronic contract, each investor's assets information of formation is written into the crowd
In raising the corresponding block chain node of platform.
Transaction Information is raised relative to the crowd in form one, the crowd in form two raises Transaction Information and do not subscribe registration including assets
Information, the first crowd raises platform and each second crowd raise platform sale it is many raise funds that during producing assets still can be formed to subscribe step on
Note information, but the assets for being formed subscribe register information and are not written in block chain node, and only raising result according to crowd will be including investor
Reimbursement information or the crowd including investor's assets information are raised in result register information write block chain link point.
By assets subscribe register information be crowd raise carry out during formed, so formed assets subscribe register information
When not can determine that crowd raises result, if by assets subscribe register information write block chain link point in, when raising unsuccessfully in the presence of all, write
Assets in block chain node are subscribed register information and will lose the meaning of presence, but cannot be tampered due to block chain node
Characteristic, it is impossible to the assets for losing meaning are subscribed into register information and is deleted from block chain node, thus assets are not subscribed into registration
Information write block chain link point can reduce the waste of block chain node storage space；In addition the corresponding crowd of form two raises transaction letter
Breath can meet the demand of specific user, improve the suitability that method is raised based on the crowd of block chain.
(subscribe register information including assets and many crowds for raising result register information raise transaction letter below for aforementioned forms one
Breath) and form two (crowd for raising result register information including crowd raises Transaction Information), it is based on to provided in an embodiment of the present invention respectively
Crowd's method of raising of block chain is described further.
It is directed to aforementioned forms one (to subscribe register information including assets and many crowds for raising result register information raise transaction letter
Breath), as shown in Fig. 2 one embodiment of the invention raises method there is provided a kind of crowd based on block chain, the method can include with
Lower step：
Step 201：Reception project side information is raised by the crowd that the first crowd raises platform issue.
In an embodiment of the invention, project side raises platform and issues its crowd and raises information by the first crowd for selecting, and crowd raises
Information raises project information including crowd and crowd raises the corresponding assets information of project；First crowd raises the crowd that platform receives the issue of project side
After raising information, the crowd's information of raising to receiving is transmitted.The crowd of transmission is raised after information, and the crowd for receiving is raised into information write the
One crowd is raised in the corresponding block chain node of platform.
Step 202：Crowd's information of raising is encrypted by default public key, and the crowd after decryption is raised into information write first
Crowd is raised in the corresponding block chain node of platform.
In an embodiment of the invention, receive the first crowd raise platform transmission crowd raise after information, by default public affairs
Key is encrypted to crowd's information of raising, and by the crowd after encryption raise information write the first crowd raise the corresponding block chain of platform
In node.
Step 203：First crowd is raised into the data syn-chronization in the corresponding block chain node of platform to raise at least one second crowds
In the corresponding block chain node of platform.
In an embodiment of the invention, information the first crowd of write will be raised through the crowd of encryption and raises the corresponding area of platform
After in block chain node, the first crowd is raised into the data syn-chronization in the corresponding block chain node of platform and raises platform pair to each second crowd
In the block chain node answered, the first crowd raises platform and each second crowd is raised in the corresponding block chain node of platform after synchronously completing
The crowd through encryption that is stored with raises information.
For example, 3 the second crowds being included altogether and raising platform, respectively the second crowd raises platform 1, the second crowd and raises platform 2 and second
Crowd raises platform 3, is written into after the first crowd raised in the corresponding block chain node of platform through crowd's information of raising of encryption, by
One crowd raises the data in the corresponding block chain node of platform and is synchronized to the second crowd respectively and raises platform 1, the second crowd and raises platform 2 and second
Crowd is raised in the corresponding block chain node of platform 3.
Step 204：The private key corresponding with default public key is sent to into one that at least one second crowds raise in platform
Or it is multiple.
In an embodiment of the invention, synchronizing information will be raised through the crowd of encryption and raises platform pair to each second crowd
After in the block chain node answered, according to the requirement of project side or according to the partnership that platform is raised with the first crowd, will with it is default
The corresponding private key of public key be sent to one or more that each second crowd raises in platform.
For example, the private key corresponding with public key is sent to into the second crowd raises the crowd of platform 1 and second and raise platform 2.
Step 205：The second crowd for raising platform by the first crowd and receiving private key raises many products of raising funds of gondola sales, forms money
Product subscribes register information.
In an embodiment of the invention, the first crowd raise platform and receive private key the second crowd raise platform can by private
Key is decrypted to the crowd's information of raising in encrypted state, raises information according to the crowd after decryption and raises displaying crowd on platform in respective crowd
Project is raised, and sells many products of raising funds.It is directed to many crowds for raising of each participation and raises platform, each time crowd raises transaction in assets and invests
The fund of Fang Zhifu is locked, and is formed one and is subscribed register information to the assets of.
For example, investor 1 raises many products of raising funds of platform purchase by the first crowd, and the fund of the purchase assets of investor 1 is locked,
Formation subscribes register information 1 corresponding to this assets concluded the business；Investor 2 raises strip 1 and buys many fund raisings by the second crowd
Produce, the assets of the purchase assets of investor 2 are locked, and formation subscribes register information 2 corresponding to this assets concluded the business.
Step 206：Receive assets subscribe register information, by assets subscribe register information write send the information crowd raise flat
In the corresponding block chain node of platform, and the data syn-chronization in the block chain node to other crowds is raised into the corresponding block chain link of platform
Point in.
In an embodiment of the invention, receive that the first crowd raises platform and each second crowd raises the assets of platform transmission and subscribes
Assets are subscribed register information write and send the crowd of the information and raised in the corresponding block chain node of platform by register information, and should
The data syn-chronization that crowd is raised in the corresponding block chain node of platform is raised in the corresponding block chain node of platform to other crowds.
For example, receive the first crowd raise platform transmission assets subscribe after register information 1, assets are subscribed into register information 1
Write the first crowd to raise in the corresponding block chain node of platform；And the data raised the first crowd in the corresponding block chain node of platform are divided
It is not synchronized to the second crowd and raises platform 1, the second crowd and raise the crowd of platform 2 and second and raises in the corresponding block chain node of platform 3.Receive
Two crowds raise the assets of the transmission of platform 1 and subscribe after register information 2, assets are subscribed into register information 2 write the second crowd and raise the correspondence of platform 1
Block chain node in, and the data that the second crowd is raised in the corresponding block chain node of platform 1 be synchronized to into respectively the first crowd raise flat
Platform, the second crowd are raised the crowd of platform 2 and second and are raised in the corresponding block chain node of platform 3.
Step 207：Platform is raised by crowd and judges that whether successful crowd raises, if it is, execution step 208, otherwise execution step
209。
In an embodiment of the invention, the first crowd raises platform and each second crowd raises platform and judges when default crowd raises
It is interior whether to reach crowd and raise target, if it is, judge that crowd raises successfully, correspondingly execution step 208；If not, judging that crowd raises mistake
Lose, correspondingly execution step 209.
Step 208：Investor's assets information that crowd raises platform formation is received, investor's assets information write correspondence crowd is raised
In the corresponding block chain node of platform, and by the data syn-chronization in the block chain node to other block chain nodes, and terminate
Current process.
In an embodiment of the invention, many crowds for raising of each participation are directed to and raise platform, after judging that crowd raises successfully,
According to the assets information that many investors for raising funds to produce of platform purchase are raised from the crowd, formation includes project side ID, project side's password, money
Produce investor's assets letters any one or more in registration ID, investor ID, number of transaction, assets effect duration and electronic contract
Breath, each investor's assets information of formation is written into the crowd and raises in the corresponding block chain node of platform, and by the block chain link
Data syn-chronization in point to the crowds that other each participation crowds raise are raised in the corresponding block chain node of platform.
Step 209：Investor's reimbursement information that crowd raises platform formation is received, investor's reimbursement information write correspondence crowd is raised
In the corresponding block chain node of platform, and by the data syn-chronization in the block chain node to other block chain nodes.
In an embodiment of the invention, many crowds for raising of each participation are directed to and raise platform, after judging that crowd raises successfully,
The recovery of funds of many investors for raising funds to produce of platform purchase will be raised from the crowd, form corresponding investor's reimbursement information, will be formed
Investor's reimbursement information write the crowd and raise in the corresponding block chain node of platform, and by the data syn-chronization in the block chain node
The crowds raised to other each participation crowds are raised in the corresponding block chain node of platform.
For aforementioned forms two (crowd for raising result register information including crowd raises Transaction Information), embodiments provide
A kind of crowd based on block chain raises method, with shown in Fig. 2 method is raised based on the crowd of block chain compared with, this method does not perform Fig. 2
Shown step 206, i.e., the assets produced during crowd is not raised are subscribed in register information write block chain link point.
Relative to the embodiment shown in aforementioned Fig. 1, step 201 is an optional reality of step 101 in embodiment illustrated in fig. 2
Existing mode, step 202 is an optional implementation of step 102, and step 203 is an optional implementation of step 103,
Step 205 to step 209 be one of step 104 and step 105 can real mode.
As shown in Figure 3, Figure 4, embodiments provide a kind of crowd based on block chain and raise device.Device embodiment can
To be realized by software, it is also possible to realized by way of hardware or software and hardware combining.From for hardware view, such as Fig. 3 institutes
Show, be a kind of hardware structure diagram that the crowd based on block chain provided in an embodiment of the present invention raises device place equipment, except Fig. 3 institutes
Outside the processor, internal memory, network interface and the nonvolatile memory that show, the equipment that device is located in embodiment is generally also
Other hardware can be included, be such as responsible for processing the forwarding chip of message.As a example by implemented in software, as shown in figure 4, as one
Device on individual logical meaning, is to be referred to corresponding computer program in nonvolatile memory by the CPU of its place equipment
Order reads what operation in internal memory was formed.What the present embodiment was provided raises device based on the crowd of block chain, including：Receiving unit 401,
Memory element 402 and lock unit 403；
Receiving unit 401, information, and reception first are raised for receiving project side by the crowd that the first crowd raises platform issue
Crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise Transaction Information；
Memory element 402, for the crowd that receiving unit 401 is received to be raised into many with first in information write block catenary system
In raising the corresponding block chain node of platform, and by the crowd that receiving unit 401 is received raise Transaction Information write send the information
Crowd raise in the corresponding block chain node of platform；
Lock unit 403, for crowd being raised into information in memory element 402 and crowd raises Transaction Information and writes corresponding block chain
After in node, the data syn-chronization in the block chain node of write fresh information is raised into platform and extremely in block catenary system with the first crowd
Few second crowd is raised in corresponding each other block chain node of platform.
It can be seen that, receiving unit 401 performs step 101 and step 104 in said method embodiment, memory element 402
The step 102 in said method embodiment is performed, lock unit 403 performs the step 103 in said method embodiment, deposits
Storage unit 402 and lock unit 403 perform the step 105 in said method embodiment jointly.
In an embodiment of the invention, raise device based on the crowd of block chain to further include：Transmitting element；
Memory element 402, for being encrypted to crowd's information of raising by default public key, by the crowd after encryption
Raise information the first crowd of write to raise in the corresponding block chain node of platform；
Transmitting element, for by the private key corresponding with public key be sent at least one second crowds raise one in platform or
It is multiple, so that the second crowd for receiving private key raises platform the crowd recorded in each self-corresponding block chain node is raised by data solves
It is close.
It can be seen that, memory element 402 performs the step 202 in said method embodiment, and transmitting element performs above-mentioned side
Step 204 in method embodiment.
In an embodiment of the invention,
Receiving unit 401, for receiving, the first crowd raises platform and at least one second crowds raise the assets of platform transmission and subscribe
Register information, wherein assets subscribe that register information raises platform by the first crowd and at least one second crowds raise platform according to investor's
The assets process of subscribing is formed, and assets subscribe that process raises platform by investor according to the first crowd and at least one second crowds raise platform exhibition
The crowd's information of raising shown is carried out；And receive that the first crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise result registration
Information, wherein crowd raise that result register information raises platform by the first crowd or the second crowd raises platform and raises result according to crowd and formed, and crowd raises knot
Fruit register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards that investor recognizes
Investor's assets information of purchase Assets；
Memory element 402, for the assets that receiving unit 401 is received being subscribed into register information and crowd raises result registered letter
Breath write sends the crowd of the information and raises in the corresponding block chain node of platform.
In an embodiment of the invention,
Receiving unit 401, for receiving, the first crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise result
Register information, wherein crowd raise that result register information raises platform by the first crowd or the second crowd raises platform and raises result according to crowd and formed, many
Raising result register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards investment
Subscribe investor's assets information of Assets in side；
Memory element 402, for the crowd that receiving unit 401 is received to be raised into the write of result register information the information is sent
Crowd is raised in the corresponding block chain node of platform.
The contents such as the information exchange between each unit, implementation procedure in said apparatus, due to implementing with the inventive method
Example is based on same design, and particular content can be found in the narration in the inventive method embodiment, and here is omitted.
As shown in figure 5, one embodiment of the invention raises system there is provided a kind of crowd based on block chain, including：First is many
Raise platform 501, at least one second crowds raise platform 502 and it is provided in an embodiment of the present invention any one raised based on crowd of block chain
Device 503；
First crowd raises platform 501, and the crowd for receiving the issue of project side raises information, and crowd's information of raising is sent to based on block
The crowd of chain raises device 503；And obtain to raise on platform crowd and raise the crowds that crowd corresponding to information raises in the crowd and raise Transaction Information, will get
Crowd raise Transaction Information and be sent to device 503 is raised based on the crowd of block chain；
Each second crowd raises platform 502, raises for obtaining to raise on platform crowd and raise the crowds that crowd corresponding to information raises in the crowd
Transaction Information, and the crowd for getting raises Transaction Information and is sent to and raise device 503 based on the crowd of block chain.
The embodiment of the present invention additionally provides a kind of computer-readable storage medium, stores as described herein for performing a machine
The instruction that method is raised based on the crowd of block chain.Specifically, the system or device for being furnished with storage medium can be provided, is deposited at this
Store on storage media and realize the software program code of the function of any embodiment in above-described embodiment, and make the system or dress
The computer (or CPU or MPU) put reads and performs the program code that is stored in storage medium.
In this case, the program code itself for reading from storage medium is capable of achieving any one reality in above-described embodiment
The function of example is applied, therefore the storage medium of program code and store program codes constitutes the part of the present invention.
For provide program code storage medium embodiment include floppy disk, hard disk, magneto-optic disk, CD (as CD-ROM,
CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD+RW), tape, Nonvolatile memory card and ROM.Selectively,
Can by communication network from server computer download program code.
Further, it should be apparent that, not only can pass through to perform the program code read-out by computer, and can pass through
Make operating system of calculating hands- operation etc. to complete partly or completely practical operation based on the instruction of program code, so as to
Realize the function of any one embodiment in above-described embodiment.
Further, it is to be appreciated that the program code read by storage medium is write into the expansion board in insertion computer
In in set memorizer or write in the memorizer arranged in the expanding element being connected with computer, be subsequently based on journey
The instruction of sequence code makes CPU in expansion board or expanding element etc. come executable portion and whole practical operations, so as to
Realize the function of any embodiment in above-described embodiment.
In each embodiment that the present invention is provided, at least have the advantages that：
1st, in the crowd based on block chain provided in an embodiment of the present invention raises method, apparatus and system, project side is by the
One crowd raises platform and issues crowd and raises after information, crowd is raised in information write block catenary system and raises the corresponding block chain of platform with the first crowd
In node, and the first crowd is raised into data syn-chronization in the corresponding block chain node of platform in block catenary system with least one
Two crowds are raised in the corresponding block chain node of platform；Platform is raised by the first crowd and at least one second crowds raise platform according to each correspondence
Crowd in block chain node raises information and carries out crowd respectively and raises transaction, and crowd is raised into Transaction Information is respectively written into each self-corresponding block
In chain node.Can be mutually synchronized data between the corresponding block chain node of platform because each crowd raises, thus each crowd raises flat
The data stored in the corresponding block chain node of platform are all identicals, i.e. each crowd raises platform and shares same data base；And by
Having in block catenary system can not distort and the characteristic that can trace to the source, constrain each crowd and raise platform and can not arbitrarily change crowd and raise data,
Ensure that the credibility of data in block catenary system；Therefore, each crowd raises platform can pass through the same block trusted each other
Catenary system carries out crowd and raises, and realizes raising platform and carrying out crowd across crowd raising.
2nd, in the crowd based on block chain provided in an embodiment of the present invention raises method, apparatus and system, project is raised by crowd
Information can determine that the crowd that project side issues raises the details of project, can determine what project side was issued by assets information
Assets and the promise made to investor, during crowd is raised into project information and assets information write block chain link point, make crowd raise item
Mesh information and assets information cannot be tampered, and many behaviors for raising information are issued to project side and is deterred, it is ensured that project Fang Suofa
Cloth crowd raises the verity of information.
3rd, in the crowd based on block chain provided in an embodiment of the present invention raises method, apparatus and system, by default public affairs
Key is encrypted to the crowd's information of raising in write block chain link point, then corresponding private key is sent to into many crowds for raising of participation and is raised
Platform, the crowd for obtaining decrypted private key raises platform and can show and sell that crowd raises product, do not obtain decrypted private key crowd raise platform without
Method shows and sells that crowd raises product, such that it is able to select according to demand that there is the crowd for showing and selling authority to raise platform, improves
The crowd that block chain should be based on raises the suitability of method, apparatus and system.
4th, in the crowd based on block chain provided in an embodiment of the present invention raises method, apparatus and system, can be many by record
Raise process assets subscribe register information write block chain link point in, by being stored in block chain node in assets registration subscribe
Information, can obtain investor and participate in the complete documentation that crowd raises process, because the data in block chain node cannot be tampered,
Thus crowd can be improved and raise the credibilities of process.
5th, in the crowd based on block chain provided in an embodiment of the present invention raises method, apparatus and system, can also be without remembering
Record crowd raises the assets of process and subscribes in register information write block chain link point, only the crowd that reaction crowd raises result is raised into result registered letter
In breath write block chain link point, so can avoid assets being subscribed after register information write block chain link point, because crowd raises mistake
Losing causes the assets for losing meaning to subscribe the situation generation that register information wastes block chain node storage space, such that it is able to improve
The utilization rate of block chain node storage space.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply presence between these entities or operation
Any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to non-
Exclusiveness is included, so that a series of process, method, article or equipment including key elements not only includes those key elements,
But also including other key elements being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element for being limited by sentence "including a ...", it is not excluded that including
Also there is other same factor in the process of the key element, method, article or equipment.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of said method embodiment can pass through
Completing, aforesaid program can be stored in the storage medium of embodied on computer readable the related hardware of programmed instruction, the program
Upon execution, the step of including said method embodiment is performed；And aforesaid storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, the skill of the present invention is merely to illustrate
Art scheme, is not intended to limit protection scope of the present invention.All any modifications made within the spirit and principles in the present invention,
Equivalent, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
1. a kind of crowd based on block chain raises method, it is characterised in that include：
Reception project side information is raised by the crowd that the first crowd raises platform issue；
The crowd is raised and is raised in the corresponding block chain node of platform with first crowd in information write block catenary system；
By the data that first crowd is raised in the corresponding block chain node of platform be synchronized to respectively in the block catenary system with extremely
Few second crowd is raised in corresponding each block chain node of platform；
Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises Transaction Information；
The crowd is raised into Transaction Information write send the crowd of the information and raise in the corresponding block chain node of platform, and by the block chain
Data syn-chronization in node raises platform to first crowd and at least one second crowd raises other each crowds in platform and raises flat
In the corresponding block chain node of platform.
2. method according to claim 1, it is characterised in that
Crowd's information of raising includes：Crowd raises project information and the crowd raises the corresponding assets information of project information, wherein,
The assets information includes：Equity information, credits information, avail information, bootstrap information, product information and information on services
In any one or more.
3. method according to claim 1, it is characterised in that
Described raise the crowd is raised in the corresponding block chain node of platform in information write block catenary system with first crowd, bag
Include：
Crowd's information of raising is encrypted by default public key, by encryption after the crowd raise information write institute
State the first crowd to raise in the corresponding block chain node of platform；
First crowd is raised the data in the corresponding block chain node of platform it is synchronized to the block catenary system respectively described
In raise in corresponding each block chain node of platform with least one second crowds after, further include：
The private key corresponding with the public key is sent to into one or more that described at least one second crowds raise in platform, for
Second crowd for receiving the private key raises platform the crowd recorded in each self-corresponding block chain node is raised data and enters
Row decryption.
4. according to arbitrary described method in claims 1 to 3, it is characterised in that
It is described to receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises Transaction Information, wrap
Include：
Receive that first crowd raises platform and at least one second crowd raises the assets of platform transmission and subscribes register information, wherein
The assets subscribe that register information raises platform by first crowd or second crowd raises platform and subscribes according to the assets of investor
Process is formed, and the assets are subscribed process and raise platform and described at least one second many according to first crowd by the investor
Raising crowd's information of raising of platform displaying is carried out；
Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises result register information, wherein
The crowd raises that result register information raises platform by first crowd or second crowd raises platform and raises result according to crowd and formed, described
Crowd raises result register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards throwing
Capital subscribes investor's assets information of Assets；
It is described by the crowd raise Transaction Information write send the information crowd raise in the corresponding block chain node of platform, including：
The assets are subscribed into register information and the crowd raises the write of result register information and sends the crowd of the information and raises platform correspondence
Block chain node in.
5. according to arbitrary described method in claims 1 to 3, it is characterised in that
It is described to receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises Transaction Information, wrap
Include：
Receive that first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises result register information, wherein
The crowd raises that result register information raises platform by first crowd or second crowd raises platform and raises result according to crowd and formed, described
Crowd raises result register information includes that crowd raises unsuccessfully investor's reimbursement information of backward investor's reimbursement or crowd raises and successfully represent afterwards throwing
Capital subscribes investor's assets information of Assets；
It is described by the crowd raise Transaction Information write send the information crowd raise in the corresponding block chain node of platform, including：
The assets are subscribed into register information and the crowd raises the write of result register information and sends the crowd of the information and raises platform correspondence
Block chain node in.
6. a kind of crowd based on block chain raises device, it is characterised in that include：Receiving unit, memory element, lock unit；
The receiving unit, information is raised for receiving project side by the crowd that the first crowd raises platform issue, and receives described the
One crowd raises platform and at least one second crowds raise the crowd of platform transmission and raise Transaction Information；
The memory element, the crowd for the receiving unit to be received raise information write block catenary system in it is described
First crowd is raised in the corresponding block chain node of platform, and the crowd that the receiving unit is received raises Transaction Information write
The crowd for sending the information is raised in the corresponding block chain node of platform；
The lock unit, for the memory element by the crowd raise information and the crowd to raise Transaction Information write corresponding
After in block chain node, by the data syn-chronization in the block chain node of write fresh information in the block catenary system with described the
One crowd raises platform and at least one second crowd is raised in corresponding each other block chain node of platform.
7. device according to claim 6, it is characterised in that further include：Transmitting element；
The memory element, for being encrypted to crowd's information of raising by default public key, after encryption
The crowd raises information write first crowd and raises in the corresponding block chain node of platform；
The transmitting element, raises in platform for the private key corresponding with the public key to be sent to into described at least one second crowds
One or more, for second crowd for receiving the private key raise platform in each self-corresponding block chain node record
The crowd raise data and be decrypted.
8. the device according to claim 6 or 7, it is characterised in that
The receiving unit, for receiving, first crowd raises platform and at least one second crowd raises the assets of platform transmission
Register information is subscribed, register information raises platform by first crowd and at least one second crowd raises wherein the assets are subscribed
Platform is formed according to the assets process of subscribing of investor, and the assets are subscribed process and raised according to first crowd by the investor
Platform and at least one second crowd raise crowd's information of raising of platform displaying and carry out；And reception first crowd raises platform
And at least one second crowd raise platform transmission crowd raise result register information, wherein the crowd raises result register information by institute
State that the first crowd raises platform or second crowd raises platform and raises result according to crowd and formed, the crowd raises result register information and raises including crowd
Investor's reimbursement information of the backward investor's reimbursement of failure or crowd raise and successfully represent afterwards that investor subscribes the investor of Assets
Assets information；
The memory element, the assets for the receiving unit to be received subscribe register information and the crowd raises result
Register information write sends the crowd of the information and raises in the corresponding block chain node of platform.
9. the device according to claim 6 or 7, it is characterised in that
The receiving unit, for receiving, first crowd raises platform and at least one second crowd raises the crowd of platform transmission and raises
As a result register information, wherein the crowd raise result register information platform is raised by first crowd or second crowd raise platform according to
Crowd raises result and is formed, the crowd raise result register information include crowd raise unsuccessfully backward investor's reimbursement investor's reimbursement information or
Crowd raises and successfully represent afterwards that investor subscribes investor's assets information of Assets；
The memory element, the crowd for the receiving unit to be received raises the write of result register information and sends the information
Crowd raise in the corresponding block chain node of platform.
10. a kind of crowd based on block chain raises system, it is characterised in that include：First crowd raises platform, at least one second crowds and raises
It is arbitrary in platform and claim 6 to 9 described device to be raised based on the crowd of block chain；
First crowd raises platform, and the crowd for receiving the issue of project side raises information, and crowd's information of raising is sent to into the base
Device is raised in the crowd of block chain；And obtain to raise the crowd on platform and raise corresponding to information the crowds that crowd raises in the crowd and raise Transaction Information,
The crowd for getting is raised into Transaction Information it is sent to the crowd based on block chain and raises device；
Each described two crowd raises platform, and for obtaining to raise the crowd on platform and raise corresponding to information the crowds that crowd raises in the crowd friendship is raised
Easily information, and the crowd for getting is raised Transaction Information and is sent to the crowd based on block chain and raises device.
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| CN201610976300.2A CN106570757B (en) | 2016-11-07 | 2016-11-07 | Crowd funding method, device and system based on block chain |
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| CN201610976300.2A CN106570757B (en) | 2016-11-07 | 2016-11-07 | Crowd funding method, device and system based on block chain |
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