CN106600252A - Payment method and payment system based on block chain - Google Patents
Payment method and payment system based on block chain Download PDFInfo
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- CN106600252A CN106600252A CN201611163334.6A CN201611163334A CN106600252A CN 106600252 A CN106600252 A CN 106600252A CN 201611163334 A CN201611163334 A CN 201611163334A CN 106600252 A CN106600252 A CN 106600252A
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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
- G06Q20/08—Payment architectures
- G06Q20/16—Payments settled via telecommunication systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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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
- G06Q30/00—Commerce
- G06Q30/06—Buying, selling or leasing transactions
- G06Q30/0601—Electronic shopping [e-shopping]
- G06Q30/0609—Buyer or seller confidence or verification
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Abstract
The invention discloses a payment method based on a block chain. On the condition that a first trusted node performs payment and successful payment is performed, self account information is changed, and furthermore the updated account information is transmitted to each second trusted node so that each second trusted node performs synchronization of the self account information for obtaining updated account information of the first trusted node. The first trusted node and each second trusted node belong to trusted nodes which receive a password certificate. All trusted nodes are connected in a block chain topological structure. The invention further discloses a payment system based on the block chain.
Description
Technical field
The present invention relates to the digital asset transaction technology on the Internet, more particularly to a kind of method of payment based on block chain
And system.
Background technology
Fig. 1 is the composition structural representation of traditional dummy payments system, as shown in figure 1, when user is by individual
Computer (Personal Computer, PC) webpage or application program (Application, APP) are bought in online shopping mall
During product, service order can be generated by provider system and send service order to dummy payments system, ideal money
Payment system generates pay invoice；After paying success, ideal money account completes payment information registration and funds transfer simultaneously.Its
In, order key element includes：The information such as order serial number, ID, exchange hour, trade name and dealing money；Payments element
Including：Pay the information such as serial number, ID, time of payment, trade name, payment and pay status.
In conventional architectures, the Transaction Information and accounts information of user and supplier are needed based on dummy payments system
Server, be a typical centralization pattern.The server of dummy payments system is exactly Centroid.In the same manner, it is many
Supplier 1 and supplier 2 in individual supplier, such as Fig. 1, is being transferred accounts or during settle accounts calculation, it is necessary to by " supplier 1- is empty
Intend currency payment system-supplier 2 " path completing, it is clear that dummy payments system is the center of whole transaction.
Had the disadvantage that based on the traditional dummy payments system shown in Fig. 1：Due to propping up based on centralization framework
The system of paying, all payments and book keeping operation business are all completed by dummy payments system, if dummy payments system goes wrong
Or damage, payment transaction will be unable to normal development.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of method of payment and system based on block chain, can improve system
The vigorousness of system.
To reach above-mentioned purpose, what the technical scheme of the embodiment of the present invention was realized in：
The embodiment of the present invention provides a kind of method of payment based on block chain, and methods described includes：
First trusted node is changed the accounts information of itself when paying and paid successful, and by the account after renewal
Family information is sent to each second trusted node, so that after the accounts information of itself is synchronously renewal by each second trusted node
First trusted node accounts information；
First trusted node and each second trusted node belong to trusted node, and the trusted node is close to receive
The node of key certificate, all trusted nodes are connected with block chain topological structure.
In such scheme, each trusted node is the corresponding server of each supplier.
In such scheme, the accounts information includes：Supplier information, transaction queue and public key information.
In such scheme, the supplier information includes：Supplier ID, balance amount information, transaction record, timestamp and supply
Business's private key.
In such scheme, the accounts information of itself is synchronously first letter after updating by each second trusted node
Appoint the accounts information of node, including：Second trusted node is received from first trusted node comprising accounts information
Data, after checking data are effective, store the data comprising accounts information of first trusted node.
The embodiment of the present invention provides a kind of payment system based on block chain, and the system includes at least two trust sections
Point, the trusted node are the node for receiving key certificate, and all trusted nodes are with the connection of block chain topological structure；All trusts
Node includes the first trusted node and more than one second trusted node；Wherein,
First trusted node, for being paid, and changes the accounts information of itself when paying successfully, and will more
Accounts information after new is sent to each the second trusted node；
Second trusted node, is synchronously first trusted node after updating for the accounts information by itself
Accounts information.
In such scheme, each trusted node is the corresponding server of each supplier.
In such scheme, the provider accounts information includes：Supplier information, transaction queue and public key information.
In such scheme, the supplier information includes：Supplier ID, balance amount information, transaction record, timestamp and supply
Business's private key.
In such scheme, each second trusted node, specifically for receiving including from first trusted node
The data of accounts information, and after verifying that data are effective, store the data comprising accounts information of first trusted node.
The method of payment and system of the block chain of the embodiment of the present invention, the first trusted node are being paid and are being paid successfully
When, the accounts information of itself is changed, and the accounts information after renewal is sent to into each second trusted node, so that described each second
Accounts information of the trusted node by the accounts information of itself synchronously for first trusted node after updating；Described first trusts
Node and each second trusted node belong to trusted node, and the trusted node is the node for receiving key certificate, Suo Youxin
Node is appointed to connect with block chain topological structure.
The trusted node of the embodiment of the present invention is exactly the corresponding server of supplier, and block is adopted between each trusted node
The topological structure of chain is connected with each other, therefore, each trusted node is with the work(for independently carrying out accounting processing, storage accounts information
Can, can directly carry out information exchange.In practical application, user is paid in the first trusted node, when paying successfully, the
One trusted node can change accounts information and broadcast to each second trusted node；After each second trusted node receiving data, lead to
Cross digital signature authentication data it is effective after, data storage, to realize between each trusted node synchronous accounts information at any time
Purpose.Each user can complete payment transaction in any one trusted node, improve the efficiency of payment system；Due to whole
System be based on distributed structure/architecture, therefore, the destroyed normal fortune that can't affect whole payment system of some trusted node
OK, improve the vigorousness of system.
Also, under the payment mode of embodiment of the present invention decentration framework, each trusted node can be independently complete
Into payment transaction, requirement of the whole system to computing capability is reduced, and then whole payment system is made to hardware and Internet resources
Requirement decrease, saved hardware and resources costss.
Description of the drawings
Fig. 1 is the composition structural representation of traditional dummy payments system；
Fig. 2 is that the embodiment of the present invention realizes schematic flow sheet based on the method for payment of block chain；
Composition schematic diagrams of the Fig. 3 for the accounts information of embodiment of the present invention trusted node；
Fig. 4 is that the embodiment of the present invention realizes process schematic based on what the payment system of block chain determined trusted node；
Fig. 5 is payment process schematic diagram of the embodiment of the present invention based on the payment system of block chain；
Fig. 6 is that synchronously the accounts information of each trusted node realizes schematic flow sheet to the embodiment of the present invention；
Fig. 7 is composition structural representation of the embodiment of the present invention based on the payment system of block chain.
Specific embodiment
The first trusted node of the embodiment of the present invention is changed the accounts information of itself when paying and paid successful, and
Accounts information after renewal is sent to into each second trusted node, so that the account of itself is believed by each second trusted node
The accounts information of synchronous first trusted node for after updating of breath；First trusted node and described each second trusts section
Point belongs to trusted node, and the trusted node is the node for receiving key certificate, and all trusted nodes are with block chain topological structure
Connection.Wherein, each trusted node is respectively the corresponding server of each supplier.
Here, the accounts information includes：Supplier information, transaction queue and public key information.
Wherein, the supplier information includes：Supplier ID, balance amount information, transaction record, timestamp and supplier are private
Key.
Further, the accounts information of itself is synchronously trusted by each second trusted node for described first after updating
The accounts information of node, including：What second trusted node was received from first trusted node comprising accounts information
Data, after checking data are effective, store the data comprising accounts information of first trusted node.
Here, the data of first trusted node at least include the accounts informations such as supplier information, timestamp.
The embodiment of the present invention, realizes flow process as shown in Fig. 2 comprising the following steps based on the method for payment of block chain：
Step 201：First trusted node is changed the accounts information of itself when paying and paid successful；
Here, the block chain has the features such as distribution record, distribution storage and collective's maintenance., it is possible to achieve system is gone
Centralization.Data record is completed by asymmetric encryption techniques encryption data and infallible data storehouse technology, block catenary system is ensured
Increase income, it is transparent, safe.
Different from the centralization pattern of legacy payment systems, it is that one kind typically goes to center based on the payment system of block chain
Change pattern；Each trusted node is equality, the special joint and hierarchical structure that there is no any centralization, in payment system
Each trusted node can independently carry out accounting processing, storage accounts information, it is possible to direct interaction.The embodiment of the present invention
In, each trusted node each server adopted by one supplier of correspondence, hereinafter unification are represented with each trusted node
Each supplier and its corresponding server.
Composition schematic diagrams of the Fig. 3 for the accounts information of embodiment of the present invention trusted node.As shown in figure 3, described trust section
Point accounts information includes：Supplier information, transaction queue and public key information.Wherein, the supplier information includes：Supplier
ID, balance amount information, transaction record, timestamp and supplier's private key；Transaction queue contains the transaction record time of each supplier
Information；The public key of each supplier is contained in public key information.
Wherein, as each trusted node independently can be kept accounts, therefore the safety of each trusted node is just particularly weighed
Will, the payment system based on block chain is protected using PKIX (Public Key Infrastructure, PKI) technology
Confidentiality, integrity and non-repudiation that card node is kept accounts.
Wherein, the PKI technologies are that the development that a kind of utilization asymmetric encryption techniques for following standard are ecommerce is carried
For the technology and specification of a set of foundation for security platform.Asymmetric encryption generally used in encryption and decryption processes two it is asymmetric
Password, be referred to as public key and private key.Unsymmetrical key to two features, including：After with public key encryption information, only
Another corresponding private key can just be untied；Public key can then maintain secrecy to other people open, private keys, and other people cannot be pushed away by the public key
Calculate corresponding private key.
In the embodiment of the present invention based on the payment system of block chain determine trusted node realize process as shown in figure 4, tool
Body includes：
First, each joint structure key pair；Wherein, private key is used for decryption and digital signature, and public key is used to encrypt and sign
Name checking；
Here, sender node is encrypted to file using the public key of receiving terminal node, and receiving terminal node uses itself
Private key is decrypted, so as to realize encryption and decryption processes.
Additionally, the private key using sender node is digitally signed, public key of the receiving terminal node by receiving terminal node
The effectiveness of the file from sender node can be verified.
Next, each node sends public key cryptography standard to authentication center (Certificate Authority, CA)
(The Public-key Cryptography Standards, PKCS) is asked；
Here, encryption key generating algorithms, node public key and node identity information are carried out electricity by node private key by each node
Son signature, issues CA centers after encapsulation PKCS requests.
Finally, the identity of the node for initiating request is examined at CA centers, forms key certificate, and the key certificate of formation is returned
Back to the node, each node for receiving key certificate is defined as into trusted node.
Here, the algorithm of node, public key and identity information are signed using root certificate, forms key certificate；Wherein,
Identity information of the key certificate with the node.
Step 202：Accounts information after renewal is sent to into each second trusted node, so that each second trusted node
By the accounts information of itself accounts information synchronously for first trusted node after updating.
Fig. 5 is the payment process schematic diagram of the payment system based on block chain, as shown in figure 5, each trusted node
It is equality, the special joint and hierarchical structure that there is no any centralization, in payment system, each trusted node can be only
Accounting processing, storage accounts information are carried out on the spot, it is possible to direct interaction.Meanwhile, the Transaction Information of any trusted node all to
The whole network encryption propagation, all trusted nodes distribute keys, it is possible to achieve information encryption is stored and transmitted, records system in temporal sequence
The whole Transaction Informations of system, and then form a kind of brand-new decentration pattern.Supplier is corresponded with trusted node, specifically
By the correspondence trusted node 1 of supplier 1, the correspondence trusted node 2 of supplier 2, the correspondence trusted node 3 of supplier 3,4 correspondence of supplier
Trusted node 4；When user buys product in trusted node 1, trusted node 1 is used as the first trusted node, trusted node 2, letter
Appoint node 3, trusted node 4 as the second trusted node.
User buys product in the first trusted node, realizes that the process for paying is as follows：
First, electronic emporium of the user by terminal unit in the first trusted node buys product, selects to pay；
Here the terminal unit of user can pass through mobile phone with the equipment of right and wrong block chain interior joint, such as user,
It is traded on a certain node in block chain.
Here, due to all of trusted node in payment system can be independent carry out accounting processing, storage account letter
Breath and information exchange, so the first trusted node directly inquires about the remaining sum of user, are traded payment.Wherein, the user is
The consumer of purchase product, the corresponding terminal unit of user buy product in trusted node, and the trusted node is in block chain.
If it is not enough to inquire the user balance, failure is paid.Wherein, as the information between trusted node is interactive
, with concordance, no matter the accounts information of the user is stored in the first trusted node and is also stored in each second trusted node,
Trusted node in system can read the accounts information of the user, if failing so paying in the first trusted node, then
Pay in each second trusted node and can equally fail.
If it is sufficient to inquire account remaining sum, pay successfully in the first trusted node, the operation writes account, the user
Account balance change.
Then, the first trusted node can will pay successfully transaction and be broadcast to each second trusted node in payment system,
Ensure the accounts information synchronization of each information node.
Here, in each trusted node moment monitoring payment system, other trusted nodes are broadcasted data and new block.
After trusted node receives the data that neighbouring trusted node is sent, the effective of the data is verified by first by digital signature
Property.If data are effectively, storage pool is set up to keep in the valid data of not yet charging to block for new data according to reception order,
Continue to neighbouring trusted node simultaneously to forward；If data invalid, the data are discarded immediately, so as to ensure that invalid data will not
Continue to propagate in block chain network.
Wherein, when the data of certain trusted node are after the checking of system major part trusted node, each letter can just be charged to
In appointing the data base of node.
Synchronously the accounts information of each trusted node realizes flow process as shown in fig. 6, detailed process is as follows to the embodiment of the present invention：
Step 61：First trusted node after the completion of payment transaction, more new account balance and transaction record, by timestamp
Server obtains the signature time, and the private key using the first trusted node obtains digital signature；
Here, the timestamp is a character string, uniquely identifies the time at certain a moment.Can be used as block data
Existence proof, contribute to being formed the block chain data base that can not be distorted.
Wherein, the content of digital signature includes the public key of Transaction Information, timestamp and the first trusted node.
Further, the Transaction Information includes account balance and the transaction record for updating.
Step 62：First trusted node inquires about public key information table, is encrypted simultaneously using the public key of each second trusted node
Ciphertext is broadcasted to each second trusted node；
Here, the public key of each second trusted node is preserved in the public key information table of the first trusted node, to each second
Trusted node broadcast ciphertext before, by using the corresponding public key of each second trusted node to digital signature in the first trusted node
Information is encrypted.
Step 63：Each second trusted node obtains the ciphertext of the first trusted node broadcast, ciphertext is entered using own private key
Row decryption, and signature verification is carried out with the public key of the first trusted node, if being proved to be successful, the transaction in the first trusted node has
Effect；
Here, after each second trusted node receives the ciphertext of the first trusted node, ciphertext is entered using the private key of itself
Row decryption.
Further, the public key of the first trusted node is preserved in the public key information table of each second trusted node.Using
The public key of one trusted node carries out sign test to the information after decryption, if being proved to be successful, this time concludes the business effective.
Step 64：In the case of second trusted node receives many transactions and verifies transaction effectively, believed using each transmitting terminal
Appoint the public key of node that sign test is carried out to the timestamp in every transaction digital signature, and then obtain the time that each transaction sends,
And according to the sequencing of the time of transmission, transaction queue is inserted in each transaction and the corresponding accounts information of each transaction is changed.
To realize the above-mentioned method of payment based on block chain, the embodiment of the present invention additionally provides a kind of payment system, described
System includes at least two trusted nodes, and the trusted node is the node for receiving key certificate, and all trusted nodes are with block
Chain topological structure connects, the composition structural representation of the payment system as shown in fig. 7, comprises：First trusted node 71, second
Trusted node 72；Wherein,
First trusted node 71, for being paid, and changes the accounts information of itself when paying successfully, and will
Accounts information after renewal is sent to each the second trusted node；
Second trusted node 72, is synchronously first trusted node after updating for the accounts information by itself
Accounts information.
Second trusted node 72, specifically for receiving the number comprising accounts information from first trusted node
According to, and after verifying that data are effective, store the data comprising accounts information of first trusted node.
Wherein, each trusted node is the corresponding server of each supplier.
Here, the accounts information includes：Supplier information, transaction queue and public key information.
Wherein, the supplier information includes：Supplier ID, balance amount information, transaction record, timestamp and supplier are private
Key.
The above, only presently preferred embodiments of the present invention is not intended to limit protection scope of the present invention.
Claims (10)
1. a kind of method of payment based on block chain, it is characterised in that methods described includes：
First trusted node is changed the accounts information of itself, and the account after renewal is believed when paying and paid successful
Breath is sent to each second trusted node, so that the accounts information of itself is synchronously the institute after updating by each second trusted node
State the accounts information of the first trusted node；
First trusted node and each second trusted node belong to trusted node, and the trusted node is demonstrate,proved to receive key
The node of book, all trusted nodes are connected with block chain topological structure.
2. method according to claim 1, it is characterised in that each trusted node is the corresponding server of each supplier.
3. method according to claim 1 and 2, it is characterised in that the accounts information includes：Supplier information, transaction
Queue and public key information.
4. method according to claim 3, it is characterised in that the supplier information includes：Supplier ID, remaining sum letter
Breath, transaction record, timestamp and supplier's private key.
5. method according to claim 1, it is characterised in that each second trusted node will be the accounts information of itself same
The accounts information of first trusted node after walking as renewal, including：Second trusted node is received from described first
The data comprising accounts information of trusted node, after checking data are effective, store believing comprising account for first trusted node
The data of breath.
6. a kind of payment system based on block chain, it is characterised in that the system includes at least two trusted nodes, the letter
Node is appointed to be the node for receiving key certificate, all trusted nodes are with the connection of block chain topological structure；All trusted nodes include
First trusted node and more than one second trusted node；Wherein,
First trusted node, for being paid, and changes the accounts information of itself when paying successfully, and after updating
Accounts information be sent to each the second trusted node；
Second trusted node, for the account synchronously for first trusted node after updating of the accounts information by itself
Information.
7. system according to claim 6, it is characterised in that each trusted node is the corresponding service of each supplier
Device.
8. system according to claim 6, it is characterised in that the provider accounts information includes：Supplier information, friendship
Easy queue and public key information.
9. method according to claim 8, it is characterised in that the supplier information includes：Supplier ID, remaining sum letter
Breath, transaction record, timestamp and supplier's private key.
10. method according to claim 6, it is characterised in that each second trusted node, specifically for receive from
The data comprising accounts information of first trusted node, and after verifying that data are effective, store first trusted node
Data comprising accounts information.
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