CN117557380A - Digital vault management system based on blockchain and big data - Google Patents
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Abstract
A digital vault management system based on blockchain and big data relates to the technical field of digital management, and comprises a client, a cloud transaction platform and a database which are in communication connection with each other; the client is used for collecting personal information and asset information of the clients, inquiring the personal information and asset information of other clients, tracking asset sources of the clients to obtain corresponding source records, and evaluating asset risks of the clients to obtain corresponding risk coefficients; the cloud transaction platform is used for conducting transaction application among different clients, obtaining corresponding application information, conducting transaction verification on the obtained application information according to personal information of the clients, and generating corresponding transaction records; the database is used for encrypting and storing personal information, asset information, source records and transaction records of clients; the method can provide effective reference for clients before the asset transaction, and can improve the safety of the asset transaction.
Description
Technical Field
The invention relates to the technical field of digital management, in particular to a digital vault management system based on a blockchain and big data.
Background
The digital vault is a financial institution for managing and transacting financial assets by using digital technology, can help the institution to improve efficiency and accuracy, reduce risks and cost, generally uses blockchain technology to ensure the safety and transparency of transacting, and can also use artificial intelligence and other technologies to help analyze data and predict market trend, so the digital vault is paid attention to in the current financial technology field and is considered as one of the development trends of the future financial industry;
in the prior art, a system for providing inquiry functions for both sides of an asset transaction is lacking, even if the information of a transaction object can be inquired, the inquired information is only some basic information, the risk coefficient of funds cannot be obtained according to the information and fed back, in the prior art, the security is lacking in verification in the asset transaction process, multiple verification cannot be realized, and the security of the funds transaction is lacking in assurance.
Disclosure of Invention
The invention aims to provide a digital vault management system based on a blockchain and big data.
The aim of the invention can be achieved by the following technical scheme: the digital treasury management system based on the blockchain and the big data comprises a client, a cloud transaction platform and a database, wherein the client, the cloud transaction platform and the database are in communication connection with each other;
the system comprises a client, a data acquisition module, a data query module, an asset tracking module and an asset assessment module, wherein the data acquisition module is used for acquiring personal information and asset information of a client, the data query module is used for querying personal information and asset information of other clients, the asset tracking module is used for tracking asset sources of the client to obtain corresponding source records, and the asset assessment module is used for assessing asset risks of the client to obtain corresponding risk coefficients;
the cloud transaction platform is internally provided with a transaction application module and a transaction verification module, wherein the transaction application module is used for applying for transactions among different clients and obtaining corresponding application information, and the transaction verification module is used for carrying out transaction verification on the obtained application information according to personal information of the clients and generating corresponding transaction records;
the database is used for encrypting and storing personal information, asset information, source records and transaction records of clients.
Further, the process of the data acquisition module for acquiring the personal information and the asset information of the client comprises the following steps:
the method comprises the steps of setting a registration unit, inputting personal information of a client to the registration unit to finish registration, wherein the personal information comprises a client signature, setting a registration unit and an input unit, logging in the client which finishes registration through the registration unit in a subsequent login process, inputting asset information of the client through the input unit, and binding the personal information and the asset information of the client.
Further, the process of the data query module for querying personal information and asset information of other clients includes:
the personal information and the asset information of the clients are divided into a public state or a secret state, the clients select to disclose or secret the personal information and the asset information of the clients, other clients are searched through the data searching module, the personal information and the asset information of the other clients are searched after the search is completed, and the peer-to-peer principle is followed in the searching process.
Further, the process of the asset tracking module tracking the asset source of the client to obtain the corresponding source record includes:
the input unit binds personal information of the client and asset information, when the asset is transferred, the binding relation is released, other clients which the asset belongs to except the current client are obtained through the asset tracking module, the clients are marked as owners of the asset, corresponding possession duration is obtained, and a source record of the asset is generated according to the obtained owners and possession duration.
Further, the process of the asset assessment module assessing the asset risk of the client to obtain the corresponding risk coefficient includes:
obtaining three nearest owners of the asset according to the source record of the asset, marking the three nearest owners as a first owner, a second owner and a third owner respectively, obtaining corresponding first possession duration, second possession duration and third possession duration, and respectively setting possession weights for the obtained three possession durations to obtain risk coefficients of the asset;
setting a risk range, comparing the obtained risk coefficient with the set risk range, and dividing the obtained risk coefficient into different states including a high flow state, a low flow state and a medium flow state according to the comparison result.
Further, the transaction application module applies for transactions between different clients and obtains corresponding application information, which includes:
when a customer needs to conduct asset transaction, a temporary transaction platform is constructed between two customers through the transaction application module, risk coefficients of the two customers can be checked by two parties in the temporary transaction platform, the two customers are divided into an asset transfer-out party and an asset transfer-in party, application information between the two parties is obtained, and the application information comprises a transfer-out party signature or a transfer-in party signature;
and generating a corresponding electronic transaction contract according to the obtained application information, modifying the electronic transaction contract by the asset transfer-out party and the asset transfer-in party, and marking the electronic transaction contract obtained after the last modification as a final version.
Further, the transaction verification module performs transaction verification on the obtained application information according to personal information of the client, and the process of generating the corresponding transaction record includes:
obtaining corresponding customer signature images and corresponding transfer-out signature images according to personal information and application information of the asset transfer-out party, and extracting features of the customer signature images and the transfer-out signature images to obtain corresponding key points;
constructing a two-dimensional coordinate system which is enough to accommodate the client signature image or the transfer-out side signature image, collecting key point coordinates of the client signature image and the transfer-out side signature image, and obtaining a corresponding client coordinate set and transfer-out side coordinate set according to the obtained key point coordinates;
comparing the client coordinate set with the transfer-out side coordinate set, judging whether the client coordinate set and the transfer-out side coordinate set are identical according to a comparison result, prompting that the verification is passed or not, and judging whether the client signature image of the asset transfer-in side and the transfer-out side signature image are passed or not by adopting the same method;
when the verification of both the asset transfer-out party and the asset transfer-in party passes, judging that the transaction is successful, updating the asset information of both the transaction parties, generating a corresponding transaction success record, and when the verification of one party fails, judging that the transaction fails, and not updating the asset information of both the transaction parties, and generating a corresponding transaction failure record.
Further, the process of encrypting and storing the personal information, the asset information, the source record and the transaction record of the client by the database comprises the following steps:
and setting an encryption unit, encrypting the obtained personal information, asset information, source record and transaction record through the encryption unit, generating corresponding encryption identifications thereof, and uploading the encrypted personal information, asset information, source record, transaction record and corresponding encryption identifications thereof to a database for uplink.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the client can inquire various information of the transaction object before transaction, particularly, the risk coefficient of the transacted asset in the latest period is obtained by obtaining the source record of the asset, so that effective reference can be provided for the client before transaction, and timely feedback on the state of the asset is facilitated;
2. by obtaining the client signatures of the asset transfer-out party and the asset transfer-in party, the transfer-out party signature and the transfer-in party signature, double verification can be realized in the transaction process, and when both the transaction parties pass the verification, the transaction can be successful, thereby being beneficial to improving the safety of the asset transaction;
3. all the obtained personal information, asset information, source record and transaction record are uploaded to the blockchain for storage by utilizing the characteristics of the blockchain, so that the integrity of each item of data can be ensured, and the source record and the transaction record can be traced.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Detailed Description
As shown in fig. 1, the digital vault management system based on the blockchain and the big data comprises a client, a cloud transaction platform and a database, wherein the client, the cloud transaction platform and the database are in communication connection with each other;
the system comprises a client, a data acquisition module, a data query module, an asset tracking module and an asset assessment module, wherein the data acquisition module is used for acquiring personal information and asset information of a client, the data query module is used for querying personal information and asset information of other clients, the asset tracking module is used for tracking asset sources of the client to obtain corresponding source records, and the asset assessment module is used for assessing asset risks of the client to obtain corresponding risk coefficients;
the cloud transaction platform is internally provided with a transaction application module and a transaction verification module, wherein the transaction application module is used for applying for transactions among different clients and obtaining corresponding application information, and the transaction verification module is used for carrying out transaction verification on the obtained application information according to personal information of the clients and generating corresponding transaction records;
the database is used for encrypting and storing personal information, asset information, source records and transaction records of clients.
It should be further noted that, in the implementation process, the process of collecting the personal information and the asset information of the client by the data collecting module includes:
setting a registration unit, inputting personal information of a client into the registration unit, wherein the personal information comprises but is not limited to gender, age, occupation, native place, mobile phone number, identity card number and client signature, checking the input personal information through the registration unit, generating a corresponding registration verification code after the checking is passed, sending the generated registration verification code to a mobile terminal corresponding to the mobile phone number of the client, inputting the acquired registration verification code into the registration unit for verification, and finishing registration after the verification is passed;
setting a login unit and an input unit, inputting corresponding mobile phone numbers to the login unit in a subsequent login process of a registered client, checking the input mobile phone numbers through the login unit, generating corresponding login verification codes after the checking is passed, sending the generated login verification codes to mobile terminals corresponding to the mobile phone numbers, inputting the obtained login verification codes to the login unit for verification, finishing login after the verification is passed, and inputting asset information of the client through the input unit after the client finishes the login, wherein the asset information comprises but is not limited to asset types, net asset values, asset configuration, asset income and asset expenditure, checking the input asset information through the input unit, and binding personal information and asset information of the client after the checking is passed.
It should be further noted that, in the implementation process, the process of querying the personal information and the asset information of other clients by the data query module includes:
taking any client as an example, the personal information and the asset information of the client are divided into a public state or a secret state, the client selects to disclose or secret the personal information and the asset information of the client by himself, wherein one item of personal information and asset information can only correspond to one state, no intermediate state exists, and the client can decide to disclose or secret one item of information by himself, for example: disclosing gender in the personal information, and keeping secret the asset type in the asset information;
after the customer finishes selecting all personal information and asset information, the customer can search the personal information and asset information of other customers, search the names of other customers through the data search module, search the personal information and asset information of other customers after the search is finished, follow the peer-to-peer principle in the search process, when the customer expects to search for certain information of other customers, the customer needs to disclose the information of the customer first, and specifically, the customer A expects to search for the asset type of the customer B, the customer needs to keep the asset type of the customer in a disclosure state in advance, when the certain information of other customers is in a secret state, the customer cannot check the information of other customers, and specifically, when the asset type of the customer B is not disclosed, even if the customer A discloses the information of the customer B, the asset type of the customer B cannot be obtained.
It should be further noted that, in the implementation process, the process of tracking the asset source of the client by the asset tracking module to obtain the corresponding source record includes:
taking any asset as an example, since the content for binding the personal information of the client and the asset information exists in the input unit of the invention, and when the asset is transferred, the binding relationship is released, so that other clients to which the asset belongs before belonging to the current client can be obtained through the asset tracking module;
and obtaining other clients which the asset belongs to except the current client through the asset tracking module, marking the clients as owners of the asset, taking a certain owner as an example, marking the time of establishing a binding relation between the owners and the asset as initial time, marking the time of ending the binding relation between the owners and the asset as ending time, obtaining the time interval between the initial time and the ending time, marking the obtained time interval as possession duration, and generating a source record of the asset according to the obtained owners and possession duration.
It should be further noted that, in the implementation process, the process of the asset assessment module for assessing the asset risk of the client to obtain the corresponding risk coefficient includes:
taking any asset of any client as an example, obtaining the nearest k owners of the asset according to the source record of the asset, wherein k is an integer, in the embodiment of the invention, k is three, and marking the three owners as a first owner, a second owner and a third owner according to the sequence from near to far according to the time of each owner and the current client owning the asset;
obtaining the possession duration of three owners for the asset, marking the possession duration as a first possession duration, a second possession duration and a third possession duration respectively, and marking the first possession duration, the second possession duration and the third possession duration as S respectively 1 、S 2 、S 3 Setting ownership weights for the obtained three ownership periods respectively, and setting the ownership weight of the first ownership period to be Q 1 Setting the possession weight of the second possession duration to Q 2 Setting the possession weight of the third possession duration to Q 3 Obtaining a risk coefficient of the asset and marking the obtained risk coefficient as d;
d＝S 1 Q 1 +S 2 Q 2 +S 3 Q 3 ；
setting a risk range d min ，d max ]Comparing the obtained risk coefficient with the set risk range, dividing the obtained risk coefficient into different states according to the comparison result, if d < d min It is marked as a high flow state if d > d min It is marked as low flow state, if d min ≤d≤d max It is marked as a medium flow state.
It should be further noted that, in the implementation process, the transaction application module applies for transactions between different clients, and the process of obtaining corresponding application information includes:
when a customer needs to conduct asset transaction, a temporary transaction platform is constructed between two customers through the transaction application module, risk coefficients of the two customers can be checked in the temporary transaction platform, the two customers are divided into an asset transfer-out party and an asset transfer-in party, application information between the asset transfer-out party and the asset transfer-in party is obtained, and the application information comprises but is not limited to transaction time, transaction amount, transaction type, transfer-out party signature and transfer-in party signature;
and generating a corresponding electronic transaction contract according to the obtained application information, wherein the electronic transaction contract is automatically generated by a system, the generated electronic transaction contract is an initial version, an asset transfer-out party and an asset transfer-in party can modify the electronic transaction contract on the basis of the electronic transaction contract, but the transaction time, the transaction amount, the transaction type, the transfer-out party signature and the contents of the transfer-in party signature cannot be modified, and the electronic transaction contract obtained after the last modification is marked as a final version.
It should be further noted that, in the implementation process, the transaction verification module performs transaction verification on the obtained application information according to the personal information of the client, and the process of generating the corresponding transaction record includes:
taking an asset transfer-out party as an example, obtaining corresponding client signature images and transfer-out party signature images according to personal information and application information of the asset transfer-out party, denoising and enhancing contrast processing are carried out on the obtained client signature images and transfer-out party signature images, and feature extraction is carried out on the processed client signature images and transfer-out party signature images so as to obtain corresponding key points, wherein the key points comprise, but are not limited to stroke end points, line strokes, right-falling points, strokes and strokes;
taking a customer signature image as an example, taking the lower left corner as a coordinate origin, constructing a two-dimensional coordinate system which is enough to accommodate the customer signature image, collecting the coordinates of key points of the customer signature image, obtaining the coordinate distances between the coordinates of the key points and the coordinate origin, sequentially combining the obtained coordinates of the key points according to the coordinate distances in order from the near to the far to obtain a series of coordinate strings of the key points, and naming the obtained coordinate strings of the key points as a customer coordinate set;
the same method is adopted to obtain a turning-out party coordinate set of the turning-out party signature image, the obtained customer coordinate set is compared with the turning-out party coordinate set, and as the customer coordinate set and the turning-out party coordinate set are both a string of digital strings formed by numbers, the two strings of character strings are compared bit by bit in the duplicate checking process, if the numbers at the corresponding positions are the same, the two strings of character strings are judged to be the same, verification is prompted to pass, if the numbers at the corresponding positions are different, the two strings of character strings are judged to be different, and verification is prompted to not pass;
the method comprises the steps of obtaining a client signature image of an asset transfer-in party and a transfer-out party signature image by adopting the same method, further obtaining a corresponding client coordinate set and transfer-in party coordinate set, comparing the obtained client coordinate set with the transfer-in party coordinate set, judging whether verification is passed or not according to a comparison result, judging that the transaction is successful only when the asset transfer-out party and the asset transfer-in party are both verified, updating asset information of both transaction parties, generating a corresponding transaction success record, judging that the transaction fails when one party fails to pass verification, not updating asset information of both transaction parties, and generating a corresponding transaction failure record.
It should be further noted that, in the implementation process, the process of encrypting and storing the personal information, the asset information, the source record and the transaction record of the client by the database includes:
setting an encryption unit, presetting a plurality of encryption methods in the encryption unit, randomly selecting one encryption method by the encryption unit to encrypt the obtained personal information, asset information, source record and transaction record, generating corresponding encryption identifications according to the encryption methods of the personal information, asset information, source record and transaction record, binding the obtained encryption identifications with the corresponding personal information, asset information, source record and transaction record, and uploading the encrypted personal information, asset information, source record, transaction record and corresponding encryption identifications thereof to a database for uplink.
The above embodiments are only for illustrating the technical method of the present invention and not for limiting the same, and it should be understood by those skilled in the art that the technical method of the present invention may be modified or substituted without departing from the spirit and scope of the technical method of the present invention.
Claims (8)
1. The digital treasury management system based on the blockchain and the big data is characterized by comprising a client, a cloud transaction platform and a database, wherein the client, the cloud transaction platform and the database are in communication connection with each other;
the system comprises a client, a data acquisition module, a data query module, an asset tracking module and an asset assessment module, wherein the data acquisition module is used for acquiring personal information and asset information of a client, the data query module is used for querying personal information and asset information of other clients, the asset tracking module is used for tracking asset sources of the client to obtain corresponding source records, and the asset assessment module is used for assessing asset risks of the client to obtain corresponding risk coefficients;
the cloud transaction platform is internally provided with a transaction application module and a transaction verification module, wherein the transaction application module is used for applying for transactions among different clients and obtaining corresponding application information, and the transaction verification module is used for carrying out transaction verification on the obtained application information according to personal information of the clients and generating corresponding transaction records;
the database is used for encrypting and storing personal information, asset information, source records and transaction records of clients.
2. The digital vault management system of claim 1 wherein said data collection module collects personal information and asset information of a customer comprising:
the method comprises the steps of setting a registration unit, inputting personal information of a client to the registration unit to finish registration, wherein the personal information comprises a client signature, setting a registration unit and an input unit, logging in the client which finishes registration through the registration unit in a subsequent login process, inputting asset information of the client through the input unit, and binding the personal information and the asset information of the client.
3. The digital vault management system of claim 2 wherein said data querying module queries other customers for personal information and asset information comprising:
the personal information and the asset information of the clients are divided into a public state or a secret state, the clients select to disclose or secret the personal information and the asset information of the clients, other clients are searched through the data searching module, the personal information and the asset information of the other clients are searched after the search is completed, and the peer-to-peer principle is followed in the searching process.
4. A blockchain and big data based digital vault management system of claim 3, wherein the asset tracking module tracks the asset sources of the clients to obtain corresponding source records includes:
the input unit binds personal information of the client and asset information, when the asset is transferred, the binding relation is released, other clients which the asset belongs to except the current client are obtained through the asset tracking module, the clients are marked as owners of the asset, corresponding possession duration is obtained, and a source record of the asset is generated according to the obtained owners and possession duration.
5. The digital vault management system of claim 4 wherein said asset assessment module assesses a customer's asset risk to obtain a corresponding risk factor comprises:
obtaining three nearest owners of the asset according to the source record of the asset, marking the three nearest owners as a first owner, a second owner and a third owner respectively, obtaining corresponding first possession duration, second possession duration and third possession duration, and respectively setting possession weights for the obtained three possession durations to obtain risk coefficients of the asset;
setting a risk range, comparing the obtained risk coefficient with the set risk range, and dividing the obtained risk coefficient into different states including a high flow state, a low flow state and a medium flow state according to the comparison result.
6. The digital vault management system of claim 5 wherein said transaction application module applies for transactions between different customers and obtains corresponding application information comprising:
when a customer needs to conduct asset transaction, a temporary transaction platform is constructed between two customers through the transaction application module, risk coefficients of the two customers can be checked by two parties in the temporary transaction platform, the two customers are divided into an asset transfer-out party and an asset transfer-in party, application information between the two parties is obtained, and the application information comprises a transfer-out party signature or a transfer-in party signature;
and generating a corresponding electronic transaction contract according to the obtained application information, modifying the electronic transaction contract by the asset transfer-out party and the asset transfer-in party, and marking the electronic transaction contract obtained after the last modification as a final version.
7. The digitized vault management system of claim 6 wherein said transaction verification module performs transaction verification on the obtained application information based on personal information of the customer and generates a corresponding transaction record comprising:
obtaining corresponding customer signature images and corresponding transfer-out signature images according to personal information and application information of the asset transfer-out party, and extracting features of the customer signature images and the transfer-out signature images to obtain corresponding key points;
constructing a two-dimensional coordinate system which is enough to accommodate the client signature image or the transfer-out side signature image, collecting key point coordinates of the client signature image and the transfer-out side signature image, and obtaining a corresponding client coordinate set and transfer-out side coordinate set according to the obtained key point coordinates;
comparing the client coordinate set with the transfer-out side coordinate set, judging whether the client coordinate set and the transfer-out side coordinate set are identical according to a comparison result, prompting that the verification is passed or not, and judging whether the client signature image of the asset transfer-in side and the transfer-out side signature image are passed or not by adopting the same method;
when the verification of both the asset transfer-out party and the asset transfer-in party passes, judging that the transaction is successful, updating the asset information of both the transaction parties, generating a corresponding transaction success record, and when the verification of one party fails, judging that the transaction fails, and not updating the asset information of both the transaction parties, and generating a corresponding transaction failure record.
8. The digital vault management system of claim 7 wherein said database stores personal information, asset information, source records, transaction records of customers in an encrypted manner comprising:
and setting an encryption unit, encrypting the obtained personal information, asset information, source record and transaction record through the encryption unit, generating corresponding encryption identifications thereof, and uploading the encrypted personal information, asset information, source record, transaction record and corresponding encryption identifications thereof to a database for uplink.
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