CN111967061A - Credible account transfer transaction method and device based on block chain - Google Patents
Credible account transfer transaction method and device based on block chain Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/27—Replication, distribution or synchronisation of data between databases or within a distributed database system; Distributed database system architectures therefor
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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
- G06Q20/10—Payment architectures specially adapted for electronic funds transfer [EFT] systems; specially adapted for home banking systems
Abstract
The invention discloses a block chain-based transfer transaction method and device for a trusted account, wherein the method comprises the following steps: receiving a transfer request; analyzing the account transfer request to obtain account information of a payment account and a collection account; inquiring a trusted account group to which the payment account belongs from the block chain network according to account information of the payment account, wherein the trusted account group comprises: a plurality of pre-configured trusted accounts; judging whether the collection account belongs to a credible account group or not according to the account information of the collection account; and determining whether to execute the transfer transaction service of the transfer request according to the judgment result. According to the invention, by utilizing the non-tampering property of the trusted account information on the block link network, each account of the transfer transaction can be ensured to be a trusted account, and the security of the transfer transaction service is improved.
Description
Technical Field
The invention relates to the technical field of block chains, in particular to a method and a device for transfer transaction of a trusted account based on a block chain.
Background
This section is intended to provide a background or context to the embodiments of the invention that are recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.
The online transfer transaction brings convenience to people, brings safety risks such as transaction information tampering and transaction link hijacking, and how to avoid various safety risks in the online transfer transaction process of a user and guarantee accurate and smooth arrival of funds is a technical problem to be solved urgently at present.
At present, in the prior art, various encryption technologies are mainly used for ensuring that a collection card number is not tampered, and common encryption modes include HTTPs communication encryption, end-to-end encryption and the like, but all encryption modes have the possibility of being cracked, and unexpected safety risks are brought to transfer transactions.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a block chain-based transfer transaction method for a trusted account, which is used for solving the technical problem that the existing transfer transaction service based on an encryption technology has a safety risk and comprises the following steps: receiving a transfer request; analyzing the account transfer request to obtain account information of a payment account and a collection account; inquiring a trusted account group to which the payment account belongs from the block chain network according to account information of the payment account, wherein the trusted account group comprises: a plurality of pre-configured trusted accounts; judging whether the collection account belongs to a credible account group or not according to the account information of the collection account; and determining whether to execute the transfer transaction service of the transfer request according to the judgment result.
The embodiment of the invention also provides a block chain-based transfer transaction device for the trusted account, which is used for solving the technical problem that the existing transfer transaction service based on the encryption technology has safety risk, and comprises the following components: the transfer request receiving module is used for receiving a transfer request; the transfer request analysis module is used for analyzing the transfer request to obtain account information of a payment account and a collection account; the block chain query module is used for querying a trusted account group to which the payment account belongs from the block chain network according to the account information of the payment account, wherein the trusted account group comprises: a plurality of pre-configured trusted accounts; the collection account verification module is used for judging whether the collection account belongs to the credible account group or not according to the account information of the collection account; and the transfer transaction service execution module is used for determining whether to execute the transfer transaction service of the transfer request according to the judgment result.
The embodiment of the invention also provides computer equipment for solving the technical problem that the existing transfer transaction service based on the encryption technology has safety risk, the computer equipment comprises a memory, a processor and a computer program which is stored on the memory and can be operated on the processor, and the trusted account transfer transaction method based on the block chain is realized when the processor executes the computer program.
The embodiment of the invention also provides a computer readable storage medium, which is used for solving the technical problem that the existing transfer transaction service based on the encryption technology has safety risk.
In the embodiment of the invention, a block chain network adopting distributed storage transaction account data is constructed according to a plurality of pre-configured trusted accounts, so that whether a collection account belongs to a trusted account group of a payment account is judged based on a trusted account group list stored on the block chain network, and whether transfer transaction business is executed is further determined according to a judgment result. Compared with the technical scheme of realizing the transfer transaction service by adopting the encryption technology in the prior art, the embodiment of the invention can ensure that each account of the transfer transaction is a credible account by utilizing the non-embeddable property of the credible account information on the block link network, improve the safety of the transfer transaction service, avoid the possibility that the transaction information is cracked or distorted in the transmission process, discover the attack in time and achieve the purpose of accurately checking the transfer funds.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts. In the drawings:
FIG. 1 is a flow chart of a block chain based trusted account transfer transaction method provided in an embodiment of the present invention;
FIG. 2 is a flow chart of an alternative blockchain based trusted account transfer transaction method provided in embodiments of the present invention;
FIG. 3 is a block chain based flow chart of a trusted account transfer transaction provided in an embodiment of the present invention;
FIG. 4 is a schematic diagram of a block chain based trusted account transfer transaction apparatus according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an alternative block chain-based trusted account transfer transaction apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
The embodiment of the present invention provides a block chain-based trusted account transfer transaction method, and fig. 1 is a flow chart of the block chain-based trusted account transfer transaction method provided in the embodiment of the present invention, and as shown in fig. 1, the method may include the following steps:
s101, receiving a transfer request.
It should be noted that the transfer request is a transfer request sent by a payment user through a payment terminal, and the transfer request includes account information of a payment account and a collection account; and when the transfer account passes the verification, the transfer transaction service is executed so as to avoid the situation that the transfer account is falsified.
And S102, analyzing the transfer request to obtain account information of the payment account and the collection account.
It should be noted that the account information includes, but is not limited to: a user name and a card number.
S103, inquiring a trusted account group to which the payment account belongs from the block chain network according to the account information of the payment account, wherein the trusted account group comprises: a plurality of pre-configured trusted accounts.
It should be noted that the blockchain network in the embodiment of the present invention is a blockchain network formed by using a plurality of trusted users as storage nodes, and is used for storing account information of a plurality of trusted accounts (i.e., account numbers of transfer transactions used by the trusted users) in a distributed manner. In a specific implementation, a plurality of trusted accounts may be preconfigured, for example, accounts of a plurality of users in the same enterprise are a trusted account group, accounts of a plurality of users in the same family are a trusted account group, and accounts of a plurality of users in the same school are a trusted account group.
And S104, judging whether the collection account belongs to the credible account group or not according to the account information of the collection account.
It should be noted that the trusted account group in S104 is an account group where the payment account is located, where the account group includes a plurality of trusted accounts, and if the collection account does not belong to the trusted account group, the collection account may be tampered, the execution of the transfer transaction may be automatically rejected, or a determination result may be returned to the payment terminal that initiated the transfer request, so that the payment user determines whether to continue to execute the transfer transaction. If the user selects to continue executing the transfer transaction, the collection account may be a newly added trusted account of the payment user, so that the collection account can be verified by the blockchain network, and the collection account is added into the trusted account group to which the payment account belongs under the condition of passing the verification.
And S105, determining whether to execute the transfer transaction service of the transfer request according to the judgment result.
It should be noted that after the collection account is verified, the system may automatically determine whether to execute the transfer transaction service of the transfer request, or may manually select whether to execute the transfer transaction service of the transfer request.
In one embodiment, the above S105 may be implemented by the following steps: if the receiving account belongs to the credible account group, executing the transfer transaction service of the transfer request; and if the collection account does not belong to the credible account group, refusing to execute the transfer transaction service of the transfer request. Through the embodiment, the purpose of automatically blocking risk transactions can be achieved.
In another embodiment, the above S105 may be implemented by the following steps: returning the judgment result to the initiating terminal of the transfer request; receiving a transfer execution instruction sent by a payment user through an initiating terminal; and determining whether to execute the transfer transaction service of the transfer request according to the transfer execution instruction. According to the embodiment, the judgment result is returned to the user, and the user determines whether to execute the transfer transaction service, so that the early warning effect on the risk account can be achieved, the possibility of false alarm can be avoided, and the user experience is improved.
Optionally, in the case that the collection account does not belong to the trusted account group, as shown in fig. 2, the block chain-based trusted account transfer transaction method provided in the embodiment of the present invention may further include the following steps:
s106, sending the account information of the collection account to a block chain network, wherein the block chain network verifies the account information of the collection account based on a consensus mechanism;
and S107, adding the account information of the collection account to the credible account group to which the payment account belongs under the condition that the account information of the collection account is verified through the block chain network.
In the implementation, when more than 51% of nodes in the blockchain network pass the account information verification of the collection account, the account information of the collection account is added into the trusted account group of the payment account and is stored in each node of the blockchain network.
Fig. 3 is a block chain-based flow chart of a trusted account transfer transaction service according to an embodiment of the present invention, and as shown in fig. 3, in the embodiment of the present invention, a block chain network composed of accounts of trusted users is constructed by maintaining a plurality of user groups who are in the same enterprise or frequently transact, so as to perform distributed storage on transaction account data. When transfer transaction is carried out among all accounts in the credible account group, after a receiving bank receives transaction information, the transaction information is sent to the block chain network, and whether the receiving bank accounts belong to the credible encryption group of the transfer source accounts is searched, so that attack that the transfer transaction information is tampered in the transmission process can be found in time. In order to avoid the possibility that a receiving user becomes a new credible user, false alarm is reduced, the receiving user of the transfer transaction is broadcasted to the blockchain network, all nodes in the blockchain network verify receiving accounts, if more than 51% of the nodes pass verification, the receiving accounts are put into a credible account group of a payment account, and the user is added into the credible account group of each user node.
Two application scenarios are described below, taking fig. 3 as an example:
first, the situation that the collection account is tampered with by an attack:
firstly, the user A of the bank J wants to transfer money to the user B of the bank K, and then initiates a transfer transaction request;
in the transmission process of the transfer transaction data packet, an attacker cracks the data packet and changes a collection account number into an E account number of an L bank;
after receiving the transfer transaction request at the L bank, the transfer transaction request is sent to the attack monitoring module instead of completing the transfer operation urgently;
after receiving the transfer transaction request, the attack monitoring module analyzes a transfer source account A and a receiving account E from the transfer transaction request, and inquires a credible user group to which the user A belongs from the block chain network according to the analyzed transfer source account A;
the node 1 sends the trusted user group of the user A maintained by the node to an attack monitoring module, and the attack monitoring module searches and judges whether a collection account E is in the trusted user group according to the trusted users in the received trusted user group list, and finds that the collection account E is not in the trusted user group of the user A;
sixthly, the attack monitoring module sends the result to the user A, and the user A stops the transfer operation when finding that the E is not the user B who wants to transfer money.
Second, the case where the payment user transfers money to a collection account other than the trusted account group is:
if the user wants to transfer to the new user F, the verification and judgment process is the same as the first condition, and after the attack monitoring module sends the result to the user A, the new user can be added into the credible user group through the following steps.
The user A sends the willingness of transferring accounts to the user F to the attack monitoring module;
the attack monitoring module sends a new request of a user F to the node 1;
ninthly, broadcasting in the block chain by the node 1, judging the legality of the user F after the user A, B, C, D … receives the broadcasting, and if more than 51% of users agree to add the user F into the credible user group, respectively adding the user F to the account book of each node and finishing the transfer transaction.
Therefore, in the embodiment of the invention, the trusted systems among different banks and different clients are built by simulating the block chain data storage mode, the decentralization of the client group is realized, the authenticity of the client group is ensured, and the safety, reliability and legality of data storage are improved.
Based on the same inventive concept, the embodiment of the present invention further provides a block chain-based trusted account transfer transaction apparatus, as described in the following embodiments. Because the principle of the device for solving the problems is similar to the block chain-based trusted account transfer transaction method, the implementation of the device can refer to the implementation of the block chain-based trusted account transfer transaction method, and repeated parts are not described again.
Fig. 4 is a schematic diagram of a block chain-based trusted account transfer transaction apparatus according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes: a transfer request receiving module 41, a transfer request parsing module 42, a block chain inquiry module 43, a collection account verification module 44, and a transfer transaction service execution module 45.
The transfer request receiving module 41 is configured to receive a transfer request; the transfer request analysis module 42 is used for analyzing the transfer request to obtain account information of a payment account and a collection account; the blockchain query module 43 is configured to query, according to the account information of the payment account, a trusted account group to which the payment account belongs from the blockchain network, where the trusted account group includes: a plurality of pre-configured trusted accounts; the collection account verification module 44 is configured to determine whether the collection account belongs to the trusted account group according to the account information of the collection account; and the transfer transaction service execution module 45 is used for determining whether to execute the transfer transaction service of the transfer request according to the judgment result.
In one embodiment, as shown in fig. 5, the transfer transaction service execution module 45 may include: a first executing module 451 for executing the transfer transaction service of the transfer request if the receiving account belongs to the trusted account group; and a second executing module 452 for refusing to execute the transfer transaction service of the transfer request if the receiving account does not belong to the trusted account group.
In one embodiment, as shown in fig. 5, the block chain-based trusted account transfer transaction apparatus provided in an embodiment of the present invention may further include: and the trusted account updating module 46 is configured to send the account information of the collection account to the blockchain network when the collection account does not belong to the trusted account group, and add the account information of the collection account to the trusted account group to which the payment account belongs when the account information of the collection account is verified by the blockchain network, where the blockchain network verifies the account information of the collection account based on a consensus mechanism.
In one embodiment, as shown in fig. 5, the transfer transaction service execution module 45 may include: a collection account verification result returning module 453, configured to return the determination result to the transfer request initiating terminal; a user instruction obtaining module 454, configured to receive a transfer execution instruction sent by the payment user through the originating terminal; and a third executing module 455 for determining whether to execute the transfer transaction service of the transfer request according to the transfer execution instruction.
Based on the same inventive concept, the embodiment of the invention also provides a computer device, which is used for solving the technical problem that the existing transfer transaction service based on the encryption technology has security risk.
Based on the same inventive concept, the embodiment of the invention also provides a computer readable storage medium, which is used for solving the technical problem that the existing transfer transaction service based on the encryption technology has a security risk.
In summary, embodiments of the present invention provide a method, an apparatus, a computer device, and a computer-readable storage medium for a block-chain-based trusted account transfer transaction, where a block-chain network that uses distributed storage of transaction account data is constructed according to a plurality of pre-configured trusted accounts, so as to determine whether a collection account belongs to a trusted account group of a payment account based on a trusted account group list stored on the block-chain network, and then determine whether to execute a transfer transaction service according to a determination result. Compared with the technical scheme of realizing the transfer transaction service by adopting the encryption technology in the prior art, the embodiment of the invention can ensure that each account of the transfer transaction is a credible account by utilizing the non-embeddable property of the credible account information on the block link network, improve the safety of the transfer transaction service, avoid the possibility that the transaction information is cracked or distorted in the transmission process, discover the attack in time and achieve the purpose of accurately checking the transfer funds.
In the embodiment of the invention, the collection account is verified by using the trusted account group stored on the block chain network, thereby simplifying the traditional complicated and repeated verification among different banks and different customers, reducing the verification times and links, synchronously reducing the possible verification logic defects and avoiding the verification problem.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A block chain-based trusted account transfer transaction method is characterized by comprising the following steps:
receiving a transfer request;
analyzing the transfer request to obtain account information of a payment account and a collection account;
inquiring a trusted account group to which a payment account belongs from a block chain network according to account information of the payment account, wherein the trusted account group comprises: a plurality of pre-configured trusted accounts;
judging whether the collection account belongs to the credible account group or not according to the account information of the collection account;
and determining whether to execute the transfer transaction service of the transfer request according to the judgment result.
2. The method as recited in claim 1, wherein determining whether to perform a transfer transaction service of the transfer request according to the determination result comprises:
if the receiving account belongs to the credible account group, executing the transfer transaction service of the transfer request;
and if the collection account does not belong to the credible account group, refusing to execute the transfer transaction service of the transfer request.
3. The method of claim 2, wherein in the event that a collection account does not belong to the group of trusted accounts, the method further comprises:
sending the account information of the collection account to a blockchain network, wherein the blockchain network verifies the account information of the collection account based on a consensus mechanism;
and under the condition that the account information of the collection account is verified through the blockchain network, adding the account information of the collection account to a trusted account group to which the payment account belongs.
4. The method as recited in claim 1, wherein determining whether to perform a transfer transaction service of the transfer request according to the determination result comprises:
returning the judgment result to the initiating terminal of the transfer request;
receiving a transfer execution instruction sent by a payment user through the initiating terminal;
and determining whether to execute the transfer transaction service of the transfer request according to the transfer execution instruction.
5. A block chain based trusted account transfer transaction apparatus, comprising:
the transfer request receiving module is used for receiving a transfer request;
the transfer request analysis module is used for analyzing the transfer request to obtain account information of a payment account and a collection account;
the block chain query module is used for querying a trusted account group to which the payment account belongs from the block chain network according to account information of the payment account, wherein the trusted account group comprises: a plurality of pre-configured trusted accounts;
the collection account verification module is used for judging whether the collection account belongs to the credible account group or not according to the account information of the collection account;
and the transfer transaction service execution module is used for determining whether to execute the transfer transaction service of the transfer request according to the judgment result.
6. The apparatus as recited in claim 5, wherein the transfer transaction service execution module comprises:
the first execution module is used for executing the transfer transaction service of the transfer request if a receiving account belongs to the credible account group;
and the second execution module is used for refusing to execute the transfer transaction service of the transfer request if the collection account does not belong to the credible account group.
7. The apparatus of claim 6, wherein the apparatus further comprises:
the trusted account updating module is used for sending the account information of the collection account to a block chain network when the collection account does not belong to the trusted account group, and adding the account information of the collection account to the trusted account group to which the payment account belongs when the account information of the collection account is verified through the block chain network, wherein the block chain network verifies the account information of the collection account based on a consensus mechanism.
8. The apparatus as recited in claim 5, wherein the transfer transaction service execution module comprises:
a receiving account verification result returning module for returning the judgment result to the initiating terminal of the transfer request;
the user instruction acquisition module is used for receiving a transfer execution instruction sent by a payment user through the initiating terminal;
and the third execution module is used for determining whether to execute the transfer transaction service of the transfer request according to the transfer execution instruction.
9. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the block chain based trusted account transfer transaction method of any one of claims 1 to 4.
10. A computer-readable storage medium storing a computer program for executing the blockchain-based trusted account transfer transaction method of any one of claims 1 to 4.
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