CN109003186A - A kind of method of commerce for preventing from denying, apparatus and system based on block chain - Google Patents
A kind of method of commerce for preventing from denying, apparatus and system based on block chain Download PDFInfo
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- CN109003186A CN109003186A CN201810767649.4A CN201810767649A CN109003186A CN 109003186 A CN109003186 A CN 109003186A CN 201810767649 A CN201810767649 A CN 201810767649A CN 109003186 A CN109003186 A CN 109003186A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
- G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/389—Keeping log of transactions for guaranteeing non-repudiation of a transaction
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
Abstract
The present invention relates to block chain technical field more particularly to a kind of method of commerce for preventing from denying, apparatus and systems based on block chain.Transferring accounts or returning for fund in electronic transaction wherein can be solved by any two side in 3 side of buyer, the seller or electric business platform, avoid the case where transaction participant is denied, and cause fund that cannot reach corresponding transaction participant, wherein, electric business platform can not arbitrarily obtain operation fund, ensure that the digital fund security of transaction participant.
Description
Technical field
The present invention relates to block chain technical field more particularly to it is a kind of based on block chain prevent deny method of commerce,
Apparatus and system.
Background technique
With the appearance of bit coin in 2009, block chain technology also develops therewith.Block chain technology, it is also known as " distributed
Account book technology " is that a kind of decentralization, collective safeguard the technical solution of distributed account book, and essence is by multiple node collectives
The distributed data base system of participation.Not a kind of single technology of block chain, multiple technologies integration as a result, utilizing area
The technical maintenance of block chain one account book record that is reliable, being difficult to tamper with, can reduce the risk of trust, and can effectively reduce crowd
The maintenance cost of participant cooperation.In block chain practical application, each user can generate a pair of of asymmetric key pair, be used for area
Trading signature on block chain corresponds to identity of the hash value of public key as its trading account.In view of safety, efficiency
Equal many factors, block chain rivest, shamir, adelman generally select ECC (elliptic curve) algorithm, and the safety of algorithm depends on
The intractability of elliptic curves discrete logarithm problem (ECDLP).
When carrying out the bargain transaction of e-commerce using block chain network, it is possible to it will appear seller and delivered, but
Be the problem of buyer does not pay the bill perhaps buyer has paid the bill and seller does not deliver or cargo and pre-sales publicity the problem of not being inconsistent.
Since user's wallet is all anonymous in block chain network, that is, system of real name certification was not carried out, and user's wallet
Private key is the key that can uniquely operate user's wallet, and when there are similar problems, third party can not be according to the thing in transaction
The digital fund in two parties wallet is alloted in fact, the loss of seller or buyer can not be made up.
Summary of the invention
It the technical issues of to solve in the prior art, prevents from denying based on block chain the embodiment of the invention provides a kind of
Method of commerce, apparatus and system, for prevent transaction one side it is non-honest, the responsibility or obligation that should undertake in transaction are supported
Rely, causes another party's benefit damage in transaction.
On the one hand, what the embodiment of the invention provides a kind of based on block chain prevents the method for commerce denied, comprising:
Current transaction wallet address is generated for current transaction, for receiving the number money of the current transaction participant
Gold；
The current transaction key information for generating the current transaction wallet address is split as multiple current transaction sub-keys
Information sends the current sub-key information of currently trading described in each party one of participant of trading to, and only retains and belong to electricity
The current transaction sub-key information of quotient's platform；
It transfers accounts when needing to operate the current transaction wallet address to user's wallet address of the current transaction participant
When transaction, the current transaction sub-key Information recovering institute that quantity is greater than predetermined threshold is obtained from the current transaction participant
State current transaction key information；
The current transaction wallet address is operated to the current transaction participant according to the current transaction key information
User's wallet address money transfer transactions.
On the other hand, the transaction device for preventing from denying based on block chain that the embodiment of the invention also provides a kind of, comprising:
Generation unit, for generating current transaction wallet address for current transaction, for receiving the current transaction ginseng
With the digital fund of side；
Split cells, for the current transaction key information for generating the current transaction wallet address to be split as multiple work as
Preceding transaction sub-key information sends the current sub-key information of currently trading described in each party one of participant of trading to, and
Only retain the current transaction sub-key information for belonging to electric business platform；
Recovery unit, for working as the user for needing to operate the current transaction wallet address to the current transaction participant
When the money transfer transactions of wallet address, acquirement quantity is close greater than the current transaction of predetermined threshold from the current transaction participant
Current transaction key information described in key Information recovering；
It transfers accounts unit, works as operating the current transaction wallet address according to the current transaction key information to described
User's wallet address money transfer transactions of preceding transaction participant.
On the other hand, the transaction system for preventing from denying based on block chain that the embodiment of the invention also provides a kind of, comprising:
Buyer terminal and seller terminal occur currently to trade by electric business Platform Server；
The electric business Platform Server generates current transaction wallet address for current transaction, described current for receiving
The digital fund that transaction buyer terminal is transferred to；The current transaction key information for generating the current transaction wallet address is split as
Multiple current transaction sub-key information, by the current transaction sub-key information be distributed to the current transaction buyer terminal,
Seller terminal, and retain the current transaction sub-key information for belonging to the electric business platform in the electric business Platform Server；When need
Operate it is described it is current transaction wallet address to it is described it is current transaction buyer or the seller user's wallet address money transfer transactions when,
According to the electric business Platform Server retain current transaction sub-key information and, from the buyer terminal currently traded
And/or seller terminal obtains after quantity is combined greater than the current transaction sub-key information of predetermined threshold and restores the current friendship
Easy key information；The current transaction wallet address is operated to the current transaction buyer according to the current transaction key information
Or user's wallet address money transfer transactions of the seller.
On the other hand, the embodiment of the invention also provides a kind of computer storage medium, the computer-readable storage mediums
Instruction is stored in matter, when run on a computer, so that computer is executed and described above prevented based on block chain
Deny method of commerce.
It, can mode true according to transaction or user's complaint using the method, apparatus and system of the embodiment of the present invention
So that the one party in electric business platform and transaction co-operates the transaction wallet of this transaction, the side to incur loss is turned
Account transaction avoids the case where transaction participant is denied to make up the loss of the user, and causes fund that cannot reach phase
The transaction participant answered, wherein electric business platform can not arbitrarily obtain operation fund, ensure that the number of transaction participant
Fund security.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of method of commerce flow chart for preventing from denying based on block chain of the embodiment of the present invention；
Fig. 2 show a kind of structural schematic diagram of the transaction device for preventing from denying based on block chain of the embodiment of the present invention；
Fig. 3 show a kind of structural schematic diagram of the transaction system for preventing from denying based on block chain of the embodiment of the present invention；
Fig. 4 show a kind of data flow diagram of the method for commerce for preventing from denying based on block chain of the embodiment of the present invention；
Fig. 5 show a kind of data flow diagram of the method for commerce for preventing from denying based on block chain of the embodiment of the present invention；
Fig. 6 shows the structural block diagram of computing system of the embodiment of the present invention 600.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 is a kind of method of commerce flow chart for preventing from denying based on block chain of the embodiment of the present invention, is retouched in detail in this figure
Stated a kind of method of commerce based on block chain, in the method electric business platform, both parties terminal be all located at block chain
In network, electric business platform is that this transaction generates the current transaction key factor, is generated according to the current transaction key factor current
The private key of transaction generates corresponding public key and current transaction wallet address according to the private key currently traded, the fund of transaction by
Buyer imports the current transaction wallet address, according to transaction results by will could currently hand over after the 2 sides authorization in 3 sides that currently trade
Digital fund in easy wallet address is transferred accounts into seller user wallet, and this method specifically includes:
Step 101, current transaction wallet address is generated for current transaction, for receiving the current transaction participant
Digital fund；
Step 102, the current transaction key information for generating the current transaction wallet address is split as multiple current friendships
Easy sub-key information sends the current sub-key information of currently trading described in each party one of participant of trading to, and only protects
Stay the current transaction sub-key information for belonging to the electric business platform；
Step 103, when need to operate it is described it is current transaction wallet address to it is described it is current transaction participant user's wallet
When the money transfer transactions of address, the current transaction sub-key letter that quantity is greater than predetermined threshold is obtained from the current transaction participant
Breath restores the current transaction key information；
Step 104, the current transaction wallet address is operated to the current friendship according to the current transaction key information
User's wallet address money transfer transactions of easy participant.
As an embodiment of the present invention, it is further wrapped in for the current current transaction wallet address of transaction generation
It includes, currently trades for each pen and generate a corresponding current transaction wallet address, in current participant of trading
Buyer is transferred to digital fund into the current transaction wallet according to making an appointment.
Wherein, all transaction data based on the electric business platform are received as electric business platform, currently traded life for each pen
At a corresponding current transaction wallet address, electric business platform (is also possible that according to random number in the generating process
Other parameters) cryptographic key factor is generated, with generating current transaction wallet private key, public key and current transaction wallet using cryptographic key factor
Location, the wallet of currently trading is for receiving the money for the digital fund that the buyer of current transaction participant deals with current exchange
Item or deposit (perhaps deposit) etc., which are first paid the bill, for example can be 50% or other ratios of dealing with digital fund
Digital fund, thus currently trade participant the seller according to the fund confirm buyer confidence level, carry out commodity production or
Person's delivery, then digital fund is transferred accounts into user's wallet of the seller by currently trading wallet, or when buyer is transferred to current friendship
The deposit of easy wallet, then after buyer receives commodity, the left fund that will cope with digital fund is driven into the current transaction wallet,
Digital fund is transferred accounts into user's wallet of the seller by currently trading wallet again.
Certainly, the mode of doing business in current E-commerce is varied, in the present embodiment only by taking buyer's layaway plan as an example
It is illustrated, does not limit the which direction in transaction participant and currently trade and be transferred to digital fund in wallet.
As an embodiment of the present invention, the current transaction key information includes: current transaction wallet cryptographic key factor
Or current transaction wallet private key.
Wherein, current transaction key information is the information for referring to restore or obtain current wallet private key of trading, such as
Current transaction wallet private key can be generated in above-mentioned current transaction wallet cryptographic key factor, or is directly exactly that current transaction wallet is private
Key.
As an embodiment of the present invention, the current transaction key information for generating the current transaction wallet address is torn open
Being divided into multiple current transaction sub-key information further comprises, utilizes Shamir Secret Sharing (summer Mir's key point
Enjoy) the current transaction key information is split as the current transaction sub-key information by algorithm.
Wherein, only when be more than predetermined threshold value number current transaction sub-key information can just revert to currently trade it is close
Key information, such as current transaction key information can be split as 5 parts, only when the current transaction sub-key information is more than 3
Part or more be input in Shamir Secret Sharing (sharing of summer Mir's key) algorithm after, can just recover current friendship
Easy key information generates current transaction wallet address using the current transaction key information.
As an embodiment of the present invention, the current transaction key information for generating the current transaction wallet address is torn open
Being divided into multiple current transaction sub-key information further comprises: according to the quantity of the current transaction participant, by generating
The current transaction key information for stating current transaction wallet address is split as multiple current transaction sub-key information.
Wherein, common transaction participant all includes 3 sides, that is, buyer, the seller and electric business platform will currently trade close
Key information is split as 3 parts, and distribution is obtained the current transaction sub-key information of different portions by each current transaction participant, must
The current transaction sub-key information of buyer and electric business platform or the current transaction sub-key letter of buyer and the seller need be assembled
The current transaction sub-key information of breath or the seller and electric business platform can just access complete current transaction key information, use
To generate current transaction wallet private key.
As an embodiment of the present invention, the current transaction key information for generating the current transaction wallet address is torn open
Being divided into multiple current transaction sub-key information further comprises: according to the classification of the current transaction participant, by generating
The current transaction key information for stating current transaction wallet address is split as multiple current transaction sub-key information.
Wherein, when the number of the buyer perhaps seller is more then can be according to the qualitative classification of the seller or buyer, will be multiple
The seller is divided into seller's classification, and multiple buyers are divided into buyer's classification, according further to 3 sides to current transaction key information
It is split, the part that a side user of the same category can only obtain affiliated counterparty is currently traded sub-key information, for example, one
3 side of buyer, the seller and electric business platform is divided into transaction, current transaction key information is split as 3 parts, and (current transaction is close
Key information), the buyer, the seller and electric business platform are respectively corresponded, the transaction participant of each party all obtains a to one's name side
Current transaction sub-key information the current transaction sub-key information of buyer is split as if wherein 4 buyers involved in buyer
4 parts, each buyer distribution has obtained the current transaction sub-key information of a part (such as 1 4) of buyer, two of them buyer
Part sub-key information of currently trading cannot access complete buyer and currently trade sub-key information, need to assemble 4 (or
Person 3) the part sub-key information of currently trading of buyer can restore complete buyer and currently trade sub-key information (herein
Also the mode of threshold value can be used, i.e., the certain amount of current transaction complete buyer of sub-key Information recovering in buyer part works as
Preceding transaction sub-key information)；When needing to restore complete current transaction key information, it is necessary to assemble buyer and electric business platform
Complete current transaction sub-key information perhaps buyer and the seller complete current transaction sub-key information or the seller and electricity
The complete current transaction sub-key information of quotient's platform can just access complete current transaction key information, current to generate
Transaction wallet private key.
As an embodiment of the present invention, join to the current transaction when needing to operate the current transaction wallet address
When with square user's wallet address money transfer transactions, quantity is obtained from the current transaction participant and is greater than working as predetermined threshold
Current transaction key information described in preceding transaction sub-key Information recovering further comprises:
When it is described it is current trade successfully,
The current transaction sub-key information of electric business platform and, from the buyer of the current transaction participant and/or is sold
Side obtains the current transaction sub-key information, restores the current transaction key information after combining；
When the current Fail Transaction, needs to transfer accounts the digital fund in current transaction wallet and join to the current transaction
When with buyer user's wallet of side, by the current transaction sub-key information of electric business platform and, from the current transaction participant
Buyer and the seller obtain the current transaction sub-key information, or described in buyer's acquisition from the current transaction participant
Current transaction sub-key information, restores the current transaction key information after combining；
When the current Fail Transaction, needs to transfer accounts the digital fund in current transaction wallet and join to the current transaction
When with the seller user wallet of side, by the current transaction sub-key information of electric business platform and, from the current transaction participant
Buyer and the seller obtain the current transaction sub-key information, or described in seller's acquisition from the current transaction participant
Current transaction sub-key information, restores the current transaction key information after combining.
Wherein, when current transaction successfully completes, both parties are without demur, then buyer and seller can be to electric business platform
Issue the current transaction sub-key information of oneself preservation, the current transaction sub-key information that electric business platform is saved according to oneself
And two current transaction sub-key information that buyer and seller provides can restore the complete current transaction key letter
It ceases (threshold value 3), current transaction wallet private key can be generated according to the current transaction key information, currently handed over for completing
The purpose that easy wallet is transferred accounts to seller user wallet；It can also either be provided according to the either side of buyer or the seller current
Sub-key information of trading can restore complete in conjunction with after in conjunction with the current transaction sub-key information that electric business platform oneself saves
The current transaction key information (threshold value 2).
When current Fail Transaction, such as the commodity that the seller provides are undesirable, and generation should be to buyer's reimbursement, and the seller
Possible ill-matched situation after appealing successfully, sends oneself to electric business platform at this point, buyer initiates to appeal to electric business platform
The current transaction sub-key information held, electric business platform are worked as in conjunction with the current transaction sub-key information and buyer oneself held
Preceding transaction sub-key information can restore the complete current transaction key information (threshold value 2), according to the current transaction
Key information can generate current transaction wallet private key, for completing the mesh that currently transaction wallet is transferred accounts to buyer user's wallet
's；Or electric business platform can also obtain the current transaction sub-key information of buyer and seller both sides, it is current with electric business platform
Transaction sub-key information combines, and restores the complete current transaction key information；
When current Fail Transaction, for selling after direction electric business platform appeals successfully, need for payment for goods to be issued to the seller, electric business
Platform can also join current transaction that upper above-described embodiment obtains the current transaction sub-key information of the seller and oneself holds
Key information restores the complete current transaction key information, can be generated currently according to the current transaction key information
Transaction wallet private key, for completing the purpose that currently transaction wallet is transferred accounts to seller user wallet.
Wherein, after electric business platform generates above-mentioned current transaction key information, and current transaction sub-key information, only retain
It is super can to guarantee that electric business platform can not utilize in this way for the current transaction sub-key information currently traded for belonging to the electric business platform
The current transaction sub-key information for crossing predetermined threshold number generates current transaction key information, thus the current transaction wallet of operation
Digital fund is transferred in other accounts.In this scene, the either side of current participant of trading all will cannot directly be worked as
Digital fund transfer in preceding transaction wallet, can guarantee the digital fund security of transaction participant in this way.
It is that one kind substantially can not since process of exchange is based on block chain network by the method for the embodiments of the present invention
The accounting mode distorted can ensure that buyer pays the bill in e-commerce, and electric business platform can not arbitrarily operate in user's wallet
Digital fund, both parties can be grasped together with electric business platform in case of Transaction Disputes by wherein either side
Make the digital fund paid the bill, return buyer or continue to pay the seller, it is another to trading to realize the denial of prevention folk prescription
The damage of side.
It is illustrated in figure 2 a kind of structural representation of the transaction device for preventing from denying based on block chain of the embodiment of the present invention
Figure describes the server for being located at electric business platform in detail in this figure, can be e-commerce server, be also possible to independence
It is responsible prevent transaction deny server, which can be computer, or computer cluster, it is therein each
Unit or module can be realized with the mode of software program, can also be realized with hardware circuits such as integrated circuit, chips,
By network interface and transaction participant connection communication, the transaction device 200 is specifically included:
Generation unit 201, for generating current transaction wallet address for current transaction, for receiving the current transaction
The digital fund of participant；
Split cells 202 is more for the current transaction key information for generating the current transaction wallet address to be split as
A current transaction sub-key information sends the current sub-key letter of currently trading described in each party one of participant of trading to
Breath, and only retain the current transaction sub-key information for belonging to the electric business platform；
Recovery unit 203 needs to operate the current transaction wallet address to the current transaction participant for working as
When user's wallet address money transfer transactions, the current transaction that quantity is greater than predetermined threshold is obtained from the current transaction participant
Current transaction key information described in sub-key Information recovering；
It transfers accounts unit 204, for operating the current transaction wallet address to institute according to the current transaction key information
State user's wallet address money transfer transactions of current transaction participant.
As an embodiment of the present invention, the generation unit is further used for, and currently trades generation for each pen
One corresponding current transaction wallet address, buyer in current participant of trading is according to making an appointment to described current
Digital fund is transferred in transaction wallet.
As an embodiment of the present invention, the current transaction key information include: current transaction wallet cryptographic key factor,
Current transaction wallet private key.
As an embodiment of the present invention, the split cells is further used for, and utilizes Shamir Secret
The current transaction key information is split as the current transaction sub-key by Sharing (sharing of summer Mir's key) algorithm to be believed
Breath.
As an embodiment of the present invention, the split cells is further used for, according to the current transaction participant
Quantity, the current transaction key information that will generate the current transaction wallet address is split as multiple current transaction sub-keys letters
Breath.
As an embodiment of the present invention, the split cells is further used for, according to the current transaction participant
Classification, the current transaction key information that will generate the current transaction wallet address is split as multiple current transaction sub-keys letters
Breath.
As an embodiment of the present invention, the recovery unit is further used for,
When it is described it is current trade successfully, by the current transaction sub-key information of electric business platform and, from the current transaction
The buyer of participant and/or the seller obtain the current transaction sub-key information, restore the current transaction key after combining
Information；
When the current Fail Transaction, needs to transfer accounts the digital fund in current transaction wallet and join to the current transaction
When with buyer user's wallet of side, by the current transaction sub-key information of electric business platform and, from the current transaction participant
Buyer and the seller obtain the current transaction sub-key information, or described in buyer's acquisition from the current transaction participant
Current transaction sub-key information, restores the current transaction key information after combining；
When the current Fail Transaction, needs to transfer accounts the digital fund in current transaction wallet and join to the current transaction
When with the seller user wallet of side, by the current transaction sub-key information of electric business platform and, from the current transaction participant
Buyer and the seller obtain the current transaction sub-key information, or described in seller's acquisition from the current transaction participant
Current transaction sub-key information, restores the current transaction key information after combining.
It is that one kind substantially can not since process of exchange is based on block chain network by the device of the embodiments of the present invention
The accounting mode distorted can ensure that buyer pays the bill in e-commerce, and electric business platform can not arbitrarily operate in user's wallet
Digital fund, both parties can be grasped together with electric business platform in case of Transaction Disputes by wherein either side
Make the digital fund paid the bill, return buyer or continue to pay the seller, it is another to trading to realize the denial of prevention folk prescription
The damage of side.
It is illustrated in figure 3 a kind of structural representation of the transaction system for preventing from denying based on block chain of the embodiment of the present invention
Figure, applied in the e-commerce based on block chain network, when being occurred between buyer terminal and seller terminal by electric business platform
When transaction, electric business platform will all generate a current transaction wallet for each transaction, for storing buyer for currently handing over
Easy digital fund fund can be turned the digital fund fund by transaction any two side of participant when there is dispute
To a deserved side, wherein buyer, the seller can be the terminal devices such as computer, tablet computer, mobile phone, and electric business platform can be clothes
Business device, specifically includes:
Buyer terminal 301 occurs currently to trade with seller terminal 302 by electric business Platform Server 303；
The electric business Platform Server 303 generates current transaction wallet address for current transaction, for receiving described work as
The digital fund that preceding transaction buyer terminal is transferred to；The current transaction key information for generating the current transaction wallet address is split
For multiple current transaction sub-key information, it is whole that multiple current transaction sub-key information are distributed to the current transaction buyer
End and seller terminal, and retain the current transaction sub-key information for belonging to the electric business platform in the electric business Platform Server；
It transfers accounts friendship when needing to operate the current transaction wallet address to user's wallet address of the current transaction buyer or the seller
Yi Shi, according to the electric business Platform Server retain current transaction sub-key information and, from the buyer currently to trade
Terminal and/or seller terminal obtain works as described in recovery after quantity is combined greater than the current transaction sub-key information of predetermined threshold
Preceding transaction key information；The current transaction wallet address is operated to the current transaction according to the current transaction key information
User's wallet address money transfer transactions of buyer or the seller.
It is illustrated in figure 4 a kind of data flow diagram of the method for commerce for preventing from denying based on block chain of the embodiment of the present invention,
It describes in electronic transaction process in detail in this figure, the third party keeping side by the wallet of block chain as transaction fund should
Wallet does not receive the control of electric business platform, is only more than door having accumulated not by the independent control of transaction participant either side yet
The transaction participant of limit value could operate the wallet account, it is ensured that the safety for fund of trading and prevent transaction join
The case where denying with square folk prescription, specifically includes:
Step 401, buyer and seller carries out electronic transaction.
In this step, such as both parties agree to betray a quotient by selling direction buyer with the price of 10 digital cash
Product.
Step 402, by buyer, perhaps the seller is also or both sides issue the information currently traded to electric business platform.
In this step, currency transaction information include the user names of both parties, product name, number, price, it is special about
The information such as fixed.
Step 403, electric business platform generates the cryptographic key factor currently traded.
In this step, 2048 random numbers that can be generated by the hardware random number module of intelligent card chip, then tie
Some other parameters, such as character string, the system time etc. of the input of user's keyboard are closed, may finally refer to: currently trade
Cryptographic key factor=HKDF_SHA256 (random number, CASalt, input character string, 2048), wherein CASalt can be by spy
Fixed character string (such as 123456789) carries out Hash operation and obtains fixed character string, defeated for enhancing the intensity of cryptographic key factor
Entering character string for example can be the arbitrary string being manually entered, and 2048 indicate that cryptographic key factor length is 2048 bits.
Step 404, current transaction wallet private key, public key and wallet of currently trading are generated according to the current transaction key factor
Address.
In this step, current transaction wallet private key, public key and current transaction are generated according to the current transaction key factor
Wallet address can refer to method in the prior art, for example, it is private to generate current transaction wallet according to the current transaction key factor
Key generates the corresponding public key of current transaction wallet private key by SECP256K1 elliptic curve respectively, then by a series of
Hash algorithm obtain the currently corresponding current transaction wallet address of transaction wallet public key.
Step 405, the current transaction wallet address of generation is sent to buyer and the seller.
In this step, buyer and the seller can currently trade the number in wallet according to current transaction wallet address lookup
Whether word currency arrives account.
Step 406, the digital cash fund currently traded is gone to the current transaction wallet address by buyer.
In this step, digital cash fund is the whole remittances for the proceeds currently traded, and buyer is private by buyer user
Key signs to this money transfer transactions.
Step 407, buyer broadcasts this money transfer transactions in block chain network, obtains the common recognition of other block chain nodes
After verifying, by transaction data storage such as in block chain.
Wherein, the common recognition verifying is exactly the signature according to block chain node to the identity of the block chain node and described turn
Whether account transaction record, which is tampered, carries out common recognition verifying, and buyer terminal generates abstract according to encryption transaction record (money transfer transactions),
The a part (such as encrypting transaction record starts 5%) that can be encryption transaction record, utilizes the private key of buyer user's wallet
It signs to part abstract, then the encryption transaction record and signature is sent to other block chain nodes.At some
After block chain node receives the transaction record and signature of the encryption, using the public key of buyer user's wallet to the signature
It is decrypted, obtains the abstract of encryption transaction record, the abstract after decryption is compared with the encryption transaction record received, if
The two is consistent (such as encryption transaction record start 5% identical), then illustrates that encrypting transaction record is not tampered with, that is, know together
It is verified, by that the encryption transaction record will be stored into local block chain after common recognition verifying in block chain node
In.
Step 408, the current transaction key factor is split as 3 parts by electric business platform.
In this step, it can be according to algorithm Shamir Secret Sharing (sharing of summer Mir's key) and carry out
It splits, completely the current transaction key factor will take (2,3) as thresholding as secret information, and generate 3 parts of secret sharing information
(the namely currently transaction sub-key factor), buyer, the seller and electric business platform respectively retain portion, wherein any 2 parts or more of point
Scattered secret can restore entire secret information (the namely complete current transaction key factor) together.
Wherein, electric business platform is using PGP (the Pretty Good Privacy) public key of electric business platform to belonging to electric business platform
The current transaction sub-key factor encrypted and saved, wait and electric business platform needed currently to trade sub-key because of the period of the day from 11 p.m. to 1 a.m in the future,
It is decrypted using the PGP private key of electric business platform and obtains the electric business platform and currently trade the sub-key factor.
Step 409,2 parts of current transaction sub-key factors are distributed to buyer and the seller respectively.
In this step, electric business platform retains a current transaction sub-key factor, in addition 2 current transaction sub-keys because
Son is a to buyer respectively, the seller is a, the current transaction sub-key factor of each party be all it is different, buyer and the seller are appropriate
It is kind to save the current transaction sub-key factor.
As optional embodiment, electric business platform can use the PGP public key of buyer to the current transaction sub-key of buyer
The factor is encrypted, and buyer is sent to, and buyer is decrypted after receiving using the PGP private key of buyer, obtains corresponding current friendship
The easy sub-key factor；The current transaction sub-key factor of the seller is encrypted using the PGP public key of the seller, is sent to the seller,
The seller is decrypted after receiving using the PGP private key of the seller, and the corresponding current transaction sub-key factor is obtained.
Step 410, electric business platform only retains the current transaction sub-key factor of oneself, removes other about currently trading
Key information.
In this step, other to include about the key information currently traded, the current transaction key factor is sent to buyer
The current transaction sub-key factor, current transaction wallet private key with the seller, due to currently trading, wallet public key is for verifying private
Key signature, therefore do not remove.
Random number can be specifically generated by the way of smart card, using the random number as the cryptographic key factor currently traded,
Current transaction wallet private key, public key, the wallet address etc. generated by the cryptographic key factor, and belong to buyer, the seller after splitting
And the data such as current transaction sub-key factor of electric business platform side, it is all temporarily stored into the memory of computer, with computer
Power-off or memory are occupied, these data disappear, and electric business platform only saves the current transaction sub-key for belonging to electric business platform
The factor, other key informations relevant to currently trading will all disappear；Or generate random number as the current transaction key factor,
Current transaction wallet private key, public key, wallet address are generated, and generates the work such as the current transaction sub-key factor in smart card
Middle progress, after smart card is detached from the connection with electric business platform computer, the relevant data generated in all smart cards disappear
It loses, the computer of electric business platform only retains the current transaction sub-key factor, other key informations relevant to currently trading all will
It disappears.
The current transaction smoothly terminates, and buyer determines that the fund currently traded the seller can be given to.
Step 411, buyer's buyer currently trades sub-key factor is sent to electric business platform.
In this step, the sub-key factor that the seller can also currently be traded by the seller is sent to electric business platform.
Step 412, electric business platform restores current transaction wallet private key according to the current transaction sub-key factor.
In this step, electric business platform can currently trade the current transaction of the sub-key factor and electric business platform according to buyer
The sub-key factor restores the complete current transaction key factor using Shamir Secret Sharing algorithm；Or according to selling
The current transaction sub-key factor of Fang Dangqian transaction the sub-key factor and electric business platform, utilizes Shamir Secret Sharing
Algorithm restores the complete current transaction key factor；Or the seller of currently traded according to buyer the sub-key factor and the seller are current
The transaction sub-key factor utilizes Shamir Secret Sharing algorithm to restore the complete current transaction key factor.
Current transaction wallet private key is generated using the current transaction key factor.
Step 413, seller user money is gone to according to the current transaction wallet private key operation wallet fund that will trade of currently trading
Packet.
Step 414, electric business platform broadcasts this money transfer transactions in block chain network, obtains other block chain nodes
After common recognition verifying, by transaction data storage such as in block chain.
By the system of the embodiments of the present invention, buyer or the seller cannot be denied transaction, fund of trading
It stores in independent wallet account, transaction participant electric business platform, buyer, the seller are unable to the handled by itself independent wallet
Account ensure that the safety of transaction and prevent either party denial of transaction participant.
It is illustrated in figure 5 a kind of data flow diagram of the method for commerce for preventing from denying based on block chain of the embodiment of the present invention,
It describes in electronic transaction process in detail in this figure, when buyer (or seller) denies in transaction, causing to trade is unable to complete,
Fund of trading due to uncontrolled cannot go to a deserved side, for example, commodity have been delivered, buyer, which buys, to be provided with buyer and currently hand over
The sub- private key of easy wallet causes the seller to be also unable to get the fund in the current transaction wallet, alternatively, commodity are problematic, Mai Fangxu
Paid current transaction fund is recalled, if the seller does not provide the seller and currently trades the sub- private key of wallet, causes buyer that can not obtain
To the fund in the current transaction wallet.
Step 501, buyer and seller carries out electronic transaction.
In this step, such as both parties agree to betray a quotient by selling direction buyer with the price of 10 digital cash
Product.
Step 502, by buyer, perhaps the seller is also or both sides issue the information currently traded to electric business platform.
In this step, currency transaction information include the user names of both parties, product name, number, price, it is special about
The information such as fixed.
Step 503, electric business platform generates the cryptographic key factor currently traded, and generates current transaction wallet private key, public key
And current transaction wallet address.
In this step, 2048 random numbers that can be generated by the hardware random number module of intelligent card chip, then tie
Some other parameters, such as character string, the system time etc. of the input of user's keyboard are closed, may finally refer to: currently trade
Cryptographic key factor=HKDF_SHA256 (random number, CASalt, input character string, 2048), wherein CASalt can be by spy
Fixed character string (such as 123456789) carries out Hash operation and obtains fixed character string, defeated for enhancing the intensity of cryptographic key factor
Entering character string for example can be the arbitrary string being manually entered, and 2048 indicate that cryptographic key factor length is 2048 bits.
In this step, current transaction wallet private key, public key and current transaction are generated according to the current transaction key factor
Wallet address can refer to method in the prior art, for example, it is private to generate current transaction wallet according to the current transaction key factor
Key generates the corresponding public key of current transaction wallet private key by SECP256K1 elliptic curve respectively, then by a series of
Hash algorithm obtain the currently corresponding current transaction wallet address of transaction wallet public key.
Step 504, current transaction wallet private key is split as 3 parts by electric business platform.
It should not be restricted in order to illustrate the step execution sequence in the embodiment of the present invention, therefore adjust in the present embodiment
It is whole to execute sequence, those skilled in the art can description through the embodiment of the present invention recognize, the sequence of the embodiment of the present invention
It can according to need adjustment.
In this step, it can be according to algorithm Shamir Secret Sharing (sharing of summer Mir's key) and carry out
It splits, the wallet private key that completely will currently trade takes (2,3) as thresholding, generate 3 parts of secret sharing information as secret information
(the namely currently transaction sub- private key of wallet), buyer, the seller and electric business platform respectively retain portion, wherein any 2 parts or more of point
Scattered secret can restore entire secret information (the namely complete current transaction key factor) together.
Step 505,2 parts of current transaction sub- private keys of wallet are distributed to buyer and the seller respectively.
In this step, electric business platform retains a current transaction sub- private key of wallet, and in addition 2 current transaction wallet are private
Key gives that buyer is a, the seller is a respectively, the current sub- private key of transaction wallet of each party be all it is different, buyer and the seller are appropriate
It is kind to save the sub- private key of current transaction wallet.
Step 506, electric business platform only retains the current sub- private key of transaction wallet of oneself, removes other about currently trading
Key information.
In this step, other to include about the key information currently traded, the current transaction key factor is sent to buyer
With the current sub- private key of transaction wallet of the seller, current wallet private key of trading, due to currently trading, wallet public key is for verifying private
Key signature, therefore do not remove.
Step 507, the current transaction wallet address of generation is sent to buyer and the seller.
In this step, buyer and the seller can currently trade the number in wallet according to current transaction wallet address lookup
Whether word currency arrives account.
Step 508, the digital cash deposit fund currently traded is gone to the current transaction wallet address by buyer.
In this step, buyer signs to this money transfer transactions by buyer's private key for user.
Step 509, buyer broadcasts this money transfer transactions in block chain network, obtains the common recognition of other block chain nodes
After verifying, by transaction data storage such as in block chain.
Wherein, the common recognition verifying is exactly the signature according to block chain node to the identity of the block chain node and described turn
Whether account transaction record, which is tampered, carries out common recognition verifying, and buyer terminal generates abstract according to encryption transaction record (money transfer transactions),
The a part (such as encrypting transaction record starts 5%) that can be encryption transaction record, utilizes the private key of buyer user's wallet
It signs to part abstract, then the encryption transaction record and signature is sent to other block chain nodes.At some
After block chain node receives the transaction record and signature of the encryption, using the public key of buyer user's wallet to the signature
It is decrypted, obtains the abstract of encryption transaction record, the abstract after decryption is compared with the encryption transaction record received, if
The two is consistent (such as encryption transaction record start 5% identical), then illustrates that encrypting transaction record is not tampered with, that is, know together
It is verified, by that the encryption transaction record will be stored into local block chain after common recognition verifying in block chain node
In.
There is dispute in current transaction, and after the means such as complaint, electric business platform approves that buyer appeals request, by deposit fund
It is returned to buyer.
Step 510, buyer's buyer currently trades sub- private key of wallet is sent to electric business platform.
Step 511, electric business platform restores current transaction wallet private key according to the sub- private key of current transaction wallet.
In this step, electric business platform can currently trade the current transaction of the sub- private key of wallet and electric business platform according to buyer
The sub- private key of wallet restores complete current transaction wallet private key using Shamir Secret Sharing algorithm.
Step 512, deposit fund is rotated back by buyer user according to current transaction wallet private key operation wallet of currently trading
Wallet.
Step 513, electric business platform broadcasts this money transfer transactions in block chain network, obtains other block chain nodes
After common recognition verifying, by transaction data storage such as in block chain.
By the system of the embodiments of the present invention, buyer or the seller cannot be denied transaction, fund of trading
It stores in independent wallet account, transaction participant electric business platform, buyer, the seller are unable to the handled by itself independent wallet
Account ensure that the safety of transaction and prevent either party denial of transaction participant.
The embodiment of the present invention also provides a kind of computer-readable instruction, wherein executing described instruction in working as electronic equipment
When, program therein make electronic equipment execute it is as shown in Figure 1 based on block chain prevent deny method of commerce.
The embodiment of the present invention also provides a kind of computer storage medium, and finger is stored in the computer readable storage medium
It enables, when run on a computer, prevents denial from handing over based on block chain described in above-mentioned various aspects so that computer executes
Easy method.
The embodiment of the present invention also provides a kind of computer system, including processor and memory, and the processor is used for
Execute it is above-mentioned based on block chain prevent deny transaction program.Referring specifically to fig. 6, Fig. 6 shows the embodiment of the present invention and calculates system
System 600 structural block diagram, computing system 600 include bus 605 or for the communication information other communication components and be coupled to
The processor 610 for being used to handle information of bus 605.Computing system 100 further include be coupled to bus 605 for storing information
Main memory 615 (such as, random access memory (RAM) or other dynamic memories) and to be held by processor 610
Capable instruction.Main memory 615 can be also used for storage location information, temporary variable or execute instruction the phase in processor 610
Between other average informations.Computing system 600 may further include read-only memory (ROM) 620 or be coupled to bus 605
For store be used for processor 610 static information and instruction other static storage devices.Store equipment 625 (such as, Gu
State equipment, disk or CD) bus 605 is coupled to be persistently stored information and instruction.
Display 635 can be couple by computing system 600 via bus 605 (such as, liquid crystal display or has
Source matrix display) so as to user show information.It can be by input equipment 630 (such as, including alphanumeric key and other keys
Keyboard) be coupled to bus 605 so as to 610 communication information of processor and command selection.In another embodiment, input is set
Standby 630 have touch-screen display 635.Input equipment 630 may include for 610 communication direction information of processor and order
It selects and for controlling the cursor on display 635 mobile cursor control (such as, mouse, trace ball or cursor side
To key).
In some embodiments, computing system 600 may include communication adapter 140 (such as, network adapter).It can
To couple bus 605 for communication adapter 640, and can be configured as it is enabled with calculate or communication network 645 and/
Or the communication of other computing systems.In various illustrated embodiments, communication adapter 640 can be used to realize any class
The networking of type configures, such as, wired, wireless, pre-configuration, equity point-to-point, LAN, WAN etc..
It according to various embodiments, include the arrangement of the instruction in main memory 615 in response to the execution of processor 610,
The process of embodiments described herein can be carried out by computing system 600.Another computer-readable Jie can be passed through
Such instruction is read into main memory 615 by matter (such as, storing equipment 625).To including in main memory 615
The execution of the arrangement of instruction makes computing system 600 be able to carry out illustrative process described herein.It can also be using in many places
Removing the work set in one or more processor to execute include instruction in memory 615.In alternative embodiment, firmly
Wired circuit can replace software instruction or be applied in combination with software instruction to realize presently filed embodiment.Therefore, real
The mode of applying is not limited to any specific combination of hardware circuit and software.
It, can be by using other types of number although exemplary processing system is described in Fig. 6
Word electronic circuit system or in computer software, firmware or hardware (including structure disclosed in this specification and its
Structural equivalents) or one of which or multiple combinations in realize the embodiment party of theme described in this specification
Formula and feature operation.
It should be understood that in various embodiments of the present invention, magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
It should also be understood that in embodiments of the present invention, term "and/or" is only a kind of association pass for describing affiliated partner
System indicates may exist three kinds of relationships.For example, A and/or B, can indicate: individualism A exists simultaneously A and B, individualism
These three situations of B.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, each exemplary composition and step are generally described according to function in the above description.This
A little functions are implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not
It is considered as beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description is
The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components
It can be combined or can be integrated into another system, or some features can be ignored or not executed.In addition, shown or beg for
Opinion mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit
Or communication connection, it is also possible to electricity, mechanical or other form connections.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.Some or all of unit therein can be selected to realize the embodiment of the present invention according to the actual needs
Purpose.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, is also possible to two or more units and is integrated in one unit.It is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can store in a computer readable storage medium.Based on this understanding, technical solution of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey
The medium of sequence code.
Specific embodiment is applied in the present invention, and principle and implementation of the present invention are described, above embodiments
Explanation be merely used to help understand method and its core concept of the invention；At the same time, for those skilled in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of method of commerce for preventing from denying based on block chain characterized by comprising
Current transaction wallet address is generated for current transaction, for receiving the digital fund of the current transaction participant；
The current transaction key information for generating the current transaction wallet address is split as multiple current transaction sub-key information,
It sends the current sub-key information of currently trading described in each party one of participant of trading to, and only retains and belong to electric business platform
Current transaction sub-key information；
When need to operate it is described it is current transaction wallet address to it is described it is current transaction participant user's wallet address money transfer transactions
When, from it is described it is current transaction participant in obtain quantity be greater than predetermined threshold current transaction sub-key Information recovering described in when
Preceding transaction key information；
Use of the current transaction wallet address to the current transaction participant is operated according to the current transaction key information
Family wallet address money transfer transactions.
2. the method according to claim 1, wherein being generated in current transaction wallet address for current transaction
It further comprise currently trading for each pen and generating a corresponding current transaction wallet address, current transaction ginseng
Digital fund is transferred into the current transaction wallet according to making an appointment with the buyer in side.
3. the method according to claim 1, wherein the current transaction key information includes: current transaction money
Packet cryptographic key factor or current transaction wallet private key.
4. the method according to claim 1, wherein the current transaction that the current transaction wallet address will be generated
Key information is split as multiple current transaction sub-key information: according to the number of the current transaction participant
The current transaction key information for generating the current transaction wallet address is split as multiple current transaction sub-key information by amount.
5. the method according to claim 1, wherein the current transaction that the current transaction wallet address will be generated
Key information is split as multiple current transaction sub-key information: according to the class of the current transaction participant
Not, the current transaction key information for generating the current transaction wallet address is split as multiple current transaction sub-key information.
6. the method according to claim 1, wherein when need to operate the current transaction wallet address to described
When user's wallet address money transfer transactions of current transaction participant, quantity is obtained from the current transaction participant greater than predetermined
Current transaction key information described in the current transaction sub-key Information recovering of threshold value further comprises:
When it is described it is current trade successfully, the current transaction sub-key information of electric business platform and, is participated in from the current transaction
The buyer and/or the seller of side obtain the current transaction sub-key information, restore the current transaction key information after combining；
When the current Fail Transaction, need to transfer accounts the digital fund in current transaction wallet to the current transaction participant
Buyer user's wallet when, by the current transaction sub-key information of electric business platform and, from buying for the current transaction participant
Side and the seller obtain the current transaction sub-key information, or described current from buyer's acquisition of the current transaction participant
Transaction sub-key information, restores the current transaction key information after combining；
When the current Fail Transaction, need to transfer accounts the digital fund in current transaction wallet to the current transaction participant
Seller user wallet when, by the current transaction sub-key information of electric business platform and, from buying for the current transaction participant
Side and the seller obtain the current transaction sub-key information, or described current from seller's acquisition of the current transaction participant
Transaction sub-key information, restores the current transaction key information after combining.
7. a kind of the transaction device for preventing from denying based on block chain, characterized by comprising:
Generation unit, for generating current transaction wallet address for current transaction, for receiving the current transaction participant
Digital fund；
Split cells, for the current transaction key information for generating the current transaction wallet address to be split as multiple current friendships
Easy sub-key information sends the current sub-key information of currently trading described in each party one of participant of trading to, and only protects
Stay the current transaction sub-key information for belonging to electric business platform；
Recovery unit, for working as the user's wallet for needing to operate the current transaction wallet address to the current transaction participant
When the money transfer transactions of address, the current transaction sub-key letter that quantity is greater than predetermined threshold is obtained from the current transaction participant
Breath restores the current transaction key information；
It transfers accounts unit, for operating the current transaction wallet address to the current friendship according to the current transaction key information
User's wallet address money transfer transactions of easy participant.
8. device according to claim 7, which is characterized in that the generation unit is further used for, and works as each pen
Preceding transaction generates a corresponding current transaction wallet address, and the buyer in current transaction participant is according to making an appointment
Digital fund is transferred into the current transaction wallet.
9. a kind of transaction system for preventing from denying based on block chain, characterized by comprising:
Buyer terminal and seller terminal occur currently to trade by electric business Platform Server；
The electric business Platform Server generates current transaction wallet address for current transaction, for receiving the current transaction
The digital fund that buyer terminal is transferred to；The current transaction key information for generating the current transaction wallet address is split as multiple
Multiple current transaction sub-key information are distributed to the current transaction buyer terminal and sold by current transaction sub-key information
Square terminal, and retain the current transaction sub-key information for belonging to the electric business platform in the electric business Platform Server；Work as needs
Operate it is described it is current transaction wallet address to it is described it is current transaction buyer or the seller user's wallet address money transfer transactions when, root
According to the electric business Platform Server retain current transaction sub-key information and, from the buyer terminal currently traded and/
Or seller terminal obtains after quantity is combined greater than the current transaction sub-key information of predetermined threshold and restores the current transaction
Key information；According to the current transaction key information operate the current transaction wallet address to the current transaction buyer or
User's wallet address money transfer transactions of the person seller.
10. a kind of computer storage medium, it is stored with instruction in the computer readable storage medium, when it is transported on computers
When row, so that computer, which executes, prevents denial method of commerce based on block chain described in the claims 1-6 any one.
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| CN201810767649.4A CN109003186A (en) | 2018-07-13 | 2018-07-13 | A kind of method of commerce for preventing from denying, apparatus and system based on block chain |
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|---|---|---|---|
| CN201810767649.4A CN109003186A (en) | 2018-07-13 | 2018-07-13 | A kind of method of commerce for preventing from denying, apparatus and system based on block chain |
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