CN106600403B - Asset management method, device and system - Google Patents

Asset management method, device and system Download PDF

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Publication number
CN106600403B
CN106600403B CN201610976373.1A CN201610976373A CN106600403B CN 106600403 B CN106600403 B CN 106600403B CN 201610976373 A CN201610976373 A CN 201610976373A CN 106600403 B CN106600403 B CN 106600403B
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asset
user
block
registration information
identifier
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CN106600403A (en
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王超
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Beijing Jingulian Technology Co ltd
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Beijing Jingulian Technology Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange

Abstract

The invention provides an asset management method, device and system, wherein the method comprises the steps of receiving user registration information sent by at least one crowd-funding platform, writing the user registration information into a block chain, distributing corresponding user identification for the user registration information, receiving asset registration information sent by the at least one crowd-funding platform, writing the asset registration information into the block chain, distributing corresponding asset identification for the asset registration information, and distributing the asset registration information, wherein the asset registration information comprises the following components: user identification, asset attributes, and asset rights and interests of all asset holders; determining the name and certificate number of each asset holder by using the user identification of each asset holder; generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder; and inquiring the property and the property right of the asset by using the first asset digital certificate. The scheme provided by the invention realizes the unified management of the assets.

Description

Asset management method, device and system
Technical Field
The invention relates to the technical field of computers, in particular to an asset management method, device and system.
Background
Crowd funding refers to the raising of assets to the crowd to support the initiated behavior of an individual or organization. Currently, as the use of the internet becomes more widespread, individuals or organizations often initiate crowd funding through network platforms. To ensure the reliability of crowd-funded individuals or organizations on a network platform, it is often necessary to manage the assets of the crowd-funded individuals or organizations.
At present, the assets are managed mainly by managing part of the assets of a user by each asset management organization through respective databases. For example: each bank manages the assets of depositors in its own bank, or the management system of each listed company manages the share allocation of each shareholder by using its own management system, respectively. Therefore, the existing asset management method cannot uniformly manage the assets.
Disclosure of Invention
The embodiment of the invention provides an asset management method, device and system, which realize the unified management of assets.
In a first aspect, an embodiment of the present invention provides an asset management method, which receives user registration information sent by at least one crowd-funding platform, writes the user registration information into one block in a block chain, and allocates a corresponding user identifier to the user registration information, and further includes:
receiving asset registration information sent by the at least one crowd-funding platform, writing the asset registration information into a block in the block chain, and allocating a corresponding asset identifier to the asset registration information, wherein the asset registration information includes: user identification, asset attributes, and asset rights and interests of all asset holders;
determining the name and certificate number of each asset holder by using the user identification of each asset holder;
generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder;
querying the asset attributes and the asset interests using the first asset digital certificate.
Preferably, after the generating the corresponding asset digital certificate for each of the asset holders, further comprises:
when a current asset is traded at least one crowd funding platform, determining any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller, and a transaction amount;
writing any one or more of an asset identification of the current asset, a user identification of a buyer, a user identification of a seller, and a transaction amount to a tile in the blockchain.
Preferably, the first and second electrodes are formed of a metal,
after the recording the asset identification of the current asset, the user identification of the buyer, the user identification of the seller and the transaction amount, further comprising:
and according to the user identification of the buyer, judging whether the buyer holds the asset corresponding to the current asset identification by searching the block chain, if not, determining the name and the certificate number corresponding to the user identification of the buyer by searching the block chain, and generating a corresponding second asset digital certificate for the buyer according to the current asset identification and the name and the certificate number of the buyer.
Preferably, after allocating the corresponding user identifier to the user registration information, the method further includes:
setting a corresponding first transaction key for the user identification;
when the current asset is traded on the at least one crowd-funding platform, receiving a second trading key input by a target user, and when the second trading key is matched with the first trading key of the target user, executing the recording of the asset identification, the user identification of the buyer, the user identification of the seller and the trading quantity of the current asset.
Preferably, the trading the current asset at the at least one crowd funding platform comprises:
receiving crowd funding information corresponding to the current asset, which is issued by a seller on a first crowd funding platform in the at least one crowd funding platform, and writing the crowd funding information into a block in the block chain;
publishing the crowd funding information to the first crowd funding platform and at least one second crowd funding platform;
when a transaction request which is sent by a current buyer through the first crowd funding platform or the second crowd funding platform and aims at the crowd funding information is received, the current asset is transacted according to the transaction request.
Preferably, the above method further comprises:
taking each block in the block chain as a current block, and executing:
calculating a first hash value for the current block according to the information stored in the current block, and storing the first hash value of the current block to a next block corresponding to the current block, wherein the information is stored in the current block;
when receiving modification to the information stored in the current block, calculating a second hash value of the current block according to the modification, and when the second hash value is inconsistent with the first hash value, forbidding the modification.
In a second aspect, an embodiment of the present invention provides an asset management apparatus, including:
the system comprises a user registration unit, a service unit and a service unit, wherein the user registration unit is used for receiving user registration information sent by at least one crowd-funding platform outside, writing the user registration information into one block in an outside block chain, and distributing a corresponding user identifier for the user registration information;
the asset registration unit is used for receiving asset registration information sent by at least one external crowd-funding platform, writing the asset registration information into one block in the external block chain, and allocating a corresponding asset identifier to the asset registration information, and the asset registration information includes: the user registration unit distributes user identification, asset attribute and asset rights and interests for all asset holders;
an asset certificate generating unit, configured to determine a name and a certificate number of each asset holder by searching the external block chain by using the user identifier of each asset holder received by the asset registration unit, and generate a corresponding first asset digital certificate for each asset holder according to the asset identifier assigned by the asset registration unit and the name and certificate number of each asset holder;
and the query unit is used for querying the asset attribute and the asset interest stored in the external block chain by using the first asset digital certificate generated by the asset certificate generation unit.
Preferably, the above apparatus further comprises:
the system comprises a transaction unit, a transaction unit and a processing unit, wherein the transaction unit is used for determining any one or more of an asset identifier of a current asset, a user identifier of a buyer, a user identifier of a seller and a transaction quantity when at least one crowd-funding platform outside carries out transaction on the current asset; and writing any one or more of an asset identification of the current asset, a user identification of a buyer, a user identification of a seller, and a transaction amount to an external one of the blocks in the blockchain.
Preferably, the above apparatus further comprises: a judging unit, wherein,
the judging unit is used for judging whether the buyer holds the asset corresponding to the current asset identifier or not by searching an external block chain according to the user identifier of the buyer determined by the transaction unit, and if not, the asset certificate generating unit is triggered;
the asset certificate production unit is further configured to determine a name and a certificate number corresponding to the user identifier of the buyer by searching the external blockchain when the trigger of the determination unit is received, and generate a corresponding second asset digital certificate for the buyer according to the current asset identifier and the name and certificate number of the buyer.
Preferably, the above apparatus further comprises: a setting unit, wherein,
the setting unit is used for setting a corresponding first transaction key for the user identifier distributed by the user registration unit;
the transaction unit is further configured to receive a second transaction key input by a target user when a current asset is transacted on the external at least one crowd-funding platform, and perform the writing of any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller, and a transaction amount into one block in the external block chain when the second transaction key matches with the first transaction key of the target user set by the setting unit.
In a third aspect, an embodiment of the present invention provides an asset management system, including: the asset management device of any preceding claim, at least one crowd-funding platform, and at least one node, wherein,
the crowd funding platform is used for respectively sending user registration information and asset registration information to the asset management device and providing a first asset digital certificate provided by the asset management device to a corresponding user; sending an inquiry request to the asset management device by using the first asset digital certificate;
each node of the at least one node comprises a block chain, and the block chain is used for storing user registration information and asset registration information written by the asset management device through blocks of the block chain;
and the asset management device is used for inquiring the asset attribute and the asset interest in the asset registration information stored in the blockchain included in any one node by using the asset identification in the first asset digital certificate when receiving an inquiry request sent by the at least one crowd-funding platform.
Preferably, the above system further comprises: a digital certificate issuing system in which, among others,
the asset management device is used for distributing corresponding user identification for the user registration information, distributing corresponding asset identification for the asset registration information, providing the asset identification, the user identification of an asset holder and the name and certificate number corresponding to the user identification to the digital certificate issuing system, and receiving a first asset digital certificate issued by the digital certificate issuing system;
and the digital certificate issuing system is used for generating a corresponding first asset digital certificate according to the asset identification provided by the asset management device, the user identification of the asset holder and the name and certificate number corresponding to the user identification.
The embodiment of the invention provides an asset management method, device and system, wherein the method comprises the steps of receiving user registration information sent by at least one crowd-funding platform, writing the user registration information into a block in a block chain, distributing corresponding user identification to the user registration information, receiving asset registration information sent by the at least one crowd-funding platform, writing the asset registration information into a block in the block chain, distributing corresponding asset identification to the asset registration information, and the asset registration information comprises the following steps: user identification, asset attributes, and asset rights and interests of all asset holders; determining the name and certificate number of each asset holder by using the user identification of each asset holder; generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder; and inquiring the asset attribute and the asset interest by using the first asset digital certificate, wherein the user information and the asset information on each crowd-funding platform can be integrated into a block chain in the whole process, so that the unified management of the assets is realized.
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 introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a flow diagram of a method for asset management provided by an embodiment of the present invention;
FIG. 2 is a schematic diagram of an asset management device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an asset management device according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of an asset management device according to yet another embodiment of the present invention;
fig. 5 is a schematic structural diagram of an asset management device according to another embodiment of the present invention;
FIG. 6 is a block diagram of an asset management system provided by an embodiment of the present invention;
FIG. 7 is a schematic diagram of an asset management system according to another embodiment of the present invention;
fig. 8 is a flowchart of an asset management method according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an asset management method, which may include the following steps:
step 101: receiving user registration information sent by at least one crowd funding platform, writing the user registration information into one block in a block chain, and distributing corresponding user identification for the user registration information;
step 102: receiving asset registration information sent by at least one crowd-funding platform, and writing the asset registration information into one block in a block chain;
step 103: assigning a corresponding asset identification to asset registration information, the asset registration information comprising: user identification, asset attributes, and asset rights and interests of all asset holders;
step 104: determining the name and certificate number of each asset holder by using the user identification of each asset holder;
step 105: generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder;
step 106: and inquiring the property of the asset and the rights and interests of the asset by using the first asset digital certificate.
In the embodiment shown in fig. 1, by receiving user registration information sent by at least one crowd-funding platform, writing the user registration information into a block in a block chain, assigning a corresponding user identifier to the user registration information, receiving asset registration information sent by the at least one crowd-funding platform, writing the asset registration information into a block in the block chain, assigning a corresponding asset identifier to the asset registration information, the asset registration information includes: user identification, asset attributes, and asset rights and interests of all asset holders; determining the name and certificate number of each asset holder by using the user identification of each asset holder; generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder; and inquiring the asset attribute and the asset interest by using the first asset digital certificate, wherein the user information and the asset information on each crowd-funding platform can be integrated into a block chain in the whole process, so that the unified management of the assets is realized.
In one embodiment of the present invention, in order to record the transaction status of the asset to ensure the integrity of the asset information statistics, after step 105, the method further includes: when a current asset is traded at least one crowd funding platform, determining any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller, and a transaction amount; writing any one or more of an asset identification of the current asset, a user identification of a buyer, a user identification of a seller, and a transaction amount to a tile in the blockchain. For example: when a user A sells 100 ten thousand of assets a through the crowd funding platform 1, and a user B buys 100 ten thousand of the assets a through the crowd funding platform 2, because the user A and the user B both have corresponding user identifications, the assets a also have corresponding asset identifications, and assuming that the user identification corresponding to the user A is identification 1, the user B both have corresponding user identifications as identification 2, and the asset identification corresponding to the assets a is identification 3, when the above 100 ten thousand transactions are performed on the assets a, the user A can write in one block in a block chain: the identifier 1, the identifier 3, the identifier 2, and the identifier 3 +100 realize the recording of the transaction process, so that in the subsequent query process, the block recording the transaction process can be found through the identifier 3, thereby providing the transaction process.
In an embodiment of the present invention, in order to ensure that the asset digital certificate held by each user belongs to different asset identifications, after the recording the asset identification of the current asset, the user identification of the buyer, the user identification of the seller and the transaction amount, the method further includes: and according to the user identification of the buyer, judging whether the buyer holds the asset corresponding to the current asset identification by searching the block chain, if not, determining the name and the certificate number corresponding to the user identification of the buyer by searching the block chain, and generating a corresponding second asset digital certificate for the buyer according to the current asset identification and the name and the certificate number of the buyer. And if the buyer already holds the first asset digital certificate corresponding to the current asset identification, no new digital certificate is generated. For example: an identifier 1, -100 ten thousand identifiers 3, an identifier 2 and +100 ten thousand identifiers 3 are recorded in a block chain, wherein the identifier 1 is a user identifier of a user A, the identifier 2 is a user identifier of a user B, and the identifier 3 is an asset identifier of an asset a, since each block in the block chain records user information and asset information through the user identifier and the asset identifier and a transaction of the user to the asset, whether the user identifier 2 has an asset digital certificate containing the identifier 3 can be determined by searching the block containing the identifier 2 in the block chain. If the user ID 2 has the asset digital certificate containing the ID 3, the transaction of the block record in the block chain can be directly checked through the ID 3 in the asset digital certificate containing the ID 3 without re-allocating the asset digital certificate of the asset a to the user ID 2. If the user identifier 2 does not have the asset digital certificate of the asset a, the name and the certificate number of the user B, such as an identity card number or a passport number, corresponding to the identifier 2 stored in one block in the block chain are searched in a block chain tracing mode, and the asset digital certificate corresponding to the asset a is generated for the user B according to the identifier 3 of the asset a, the name and the certificate number of the user B.
In addition, when the user registration information is written into a block of the block chain, the ID of the block can be used as one of the user identifiers, such as: writing the user registration information into the block K, wherein the ID of the block K can be used as a user identifier; when asset registration information is written to a block of the block chain at the time of registering an asset, the block ID may be used as an asset identification, and if asset registration information is written to block Q, the block ID of block Q may be used as an asset identification.
In one embodiment of the invention, the trading the current asset at the at least one crowd-funding platform comprises:
receiving crowd funding information corresponding to the current asset, which is issued by a seller on a first crowd funding platform in the at least one crowd funding platform, and writing the crowd funding information into a block in the block chain;
publishing the crowd funding information to the first crowd funding platform and at least one second crowd funding platform;
when a transaction request which is sent by a current buyer through the first crowd funding platform or the second crowd funding platform and aims at the crowd funding information is received, the current asset is transacted according to the transaction request.
In an embodiment of the present invention, in order to ensure the reliability of the transaction, after the allocating the corresponding user identifier to the user registration information is avoided, the method further includes: setting a corresponding first transaction key for the user identification; when the current asset is traded on the at least one crowd-funding platform, receiving a second trading key input by a target user, and when the second trading key is matched with the first trading key of the target user, executing the recording of the asset identification, the user identification of the buyer, the user identification of the seller and the trading quantity of the current asset. The transaction key is generally a 128-bit or 256-bit character string, and because the transaction key is long and inconvenient for a user to remember, the transaction key can be stored in a safe in a security service platform, an 8-digit password of the safe is provided for the user, and the user takes out the transaction key from the safe through the 8-digit password to perform a transaction, so that the reliability of the transaction is ensured, and the user assets are prevented from being randomly changed.
In one embodiment of the present invention, in order to avoid that each block information in the block chain is changed randomly, the method further includes: taking each block in the block chain as a current block, and executing: calculating a first hash value for the current block according to the information stored in the current block, and storing the first hash value of the current block to a next block corresponding to the current block, wherein the information is stored in the current block; when receiving modification to the information stored in the current block, calculating a second hash value of the current block according to the modification, and when the second hash value is inconsistent with the first hash value, forbidding the modification. The whole process ensures that the user information, the asset information and the transaction condition written in the blockchain cannot be modified at will.
In one embodiment of the present invention, at least one block may be added to the block chain; the writing the user registration information into one block in the block chain and allocating a corresponding user identifier to the user registration information includes: writing the user registration information into a first block of the at least one block, wherein the identifier of the first block is distributed to the user registration information as a user identifier; the writing the asset registration information into a block in the block chain and allocating a corresponding asset identifier to the asset registration information includes: writing the asset registration information to a second block of the at least one block, an identification of the second block being assigned to the asset registration information as an asset identification. The user registration information, the asset registration information, the transaction information, and the like may be performed in at least one of the added blocks of the blockchain. That is, as transactions occur, the blocks in the blockchain are increasing.
In an embodiment of the present invention, the block chain is stored by at least two nodes, and any one of the user registration information, the asset registration information, and the transaction information may be performed in the block chain on one node, and the user registration information, the asset registration information, and the transaction information may be backed up in the block chain on another node, so as to further ensure the integrity, the security, and the reliability of the information stored in the block chain.
As shown in fig. 2, an embodiment of the present invention provides an asset management apparatus, including:
the user registration unit 201 is configured to receive user registration information sent by at least one crowd-funding platform outside, write the user registration information into one block in an external block chain, and allocate a corresponding user identifier to the user registration information;
the asset registration unit 202 is configured to receive asset registration information sent by at least one crowd-funding platform outside, write the asset registration information into one block in the external block chain, and allocate a corresponding asset identifier to the asset registration information, where the asset registration information includes: the user registration unit 201 allocates user identifications, asset attributes and asset rights and interests to all asset holders;
an asset certificate generating unit 203, configured to determine a name and a certificate number of each asset holder by searching the external block chain by using the user identifier of each asset holder received by the asset registering unit 202, and generate a corresponding first asset digital certificate for each asset holder according to the asset identifier assigned by the asset registering unit 202 and the name and certificate number of each asset holder;
the querying unit 204 is configured to query the asset attribute and the asset interest stored in the external block chain by using the first asset digital certificate generated by the asset certificate generating unit 203.
In another embodiment of the present invention, as shown in fig. 3, the apparatus further comprises:
the trading unit 301 is configured to determine any one or more of an asset identifier of a current asset, a user identifier of a buyer, a user identifier of a seller and a trading amount when a current asset is traded by at least one crowd-funding platform; and writing any one or more of an asset identification of the current asset, a user identification of a buyer, a user identification of a seller, and a transaction amount to an external one of the blocks in the blockchain.
In another embodiment of the present invention, as shown in fig. 4, the apparatus further comprises: a determination unit 401 for determining, among others,
the determining unit 401 is configured to determine, according to the user identifier of the buyer determined by the transaction unit 301, whether the buyer holds the asset corresponding to the current asset identifier by searching an external block chain, and if not, trigger the asset certificate generating unit 203;
the asset certificate generating unit 203 is further configured to, when receiving the trigger of the determining unit 401, determine a name and a certificate number corresponding to the user identifier of the buyer by searching the external blockchain, and generate a corresponding second asset digital certificate for the buyer according to the current asset identifier and the name and certificate number of the buyer.
In another embodiment of the present invention, as shown in fig. 5, the apparatus further comprises: a unit 501 is provided in which, among other things,
the setting unit 501 is configured to set a corresponding first transaction key for the user identifier allocated by the user registration unit 201;
the transaction unit 301 is further configured to receive a second transaction key input by a target user when a current asset is transacted by at least one crowd sourcing platform in the external portion, and when the second transaction key matches the first transaction key of the target user set by the setting unit 501, perform the writing of any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller, and a transaction amount into one block in the external block chain.
Because the information interaction, execution process, and other contents between the units in the device are based on the same concept as the method embodiment of the present invention, specific contents may refer to the description in the method embodiment of the present invention, and are not described herein again.
As shown in fig. 6, an embodiment of the present invention provides an asset management system, including: at least one crowd funding platform 601, at least one node 602, and an asset management device 603 as described in any above,
the crowd funding platform 601 is configured to send user registration information and asset registration information to the asset management device 603, and provide the first asset digital certificate provided by the asset management device 603 to a corresponding user; sending an inquiry request to the asset management device 603 using the first asset digital certificate;
each node 602 includes a block chain 6021, configured to store the user registration information and the asset registration information written by the asset management apparatus through a block of the block chain;
the asset management device 603 is configured to, when receiving an inquiry request sent by the at least one crowd-funding platform 601, inquire, by using the asset identifier in the first asset digital certificate, the asset attribute and the asset interest in the asset registration information stored in the blockchain 6021 included in any one of the nodes 602.
In one embodiment of the present invention, further comprising: a digital certificate issuing system (not shown in the drawings), in which,
the asset management device 603 is configured to allocate a corresponding user identifier to the user registration information, allocate a corresponding asset identifier to the asset registration information, provide the asset identifier, a user identifier of an asset holder, and a name and a certificate number corresponding to the user identifier to the digital certificate issuing system, and receive a first asset digital certificate issued by the digital certificate issuing system;
the digital certificate issuing system (not shown in the figure) is configured to generate a corresponding first asset digital certificate according to the asset identifier provided by the asset management device 603, the user identifier of the asset holder, and the name and the certificate number corresponding to the user identifier.
In another embodiment of the present invention, taking the asset management system shown in fig. 7 as an example, an asset management method is developed, and as shown in fig. 8, the asset management method may include the following steps:
step 800: storing a chain of blocks on at least two nodes;
as shown in fig. 7, the same blockchain is stored in the node 1 and the node 2, and the blockchain may also be stored in more nodes in this step, so that the blockchain has multiple backups, and when data of one blockchain is modified, other blockchains may also synchronize the data back to the original data, thereby ensuring the security of the data in the blockchain and realizing the non-modification of the blockchain data. Because the blockchain is not changeable and safe, the blockchain can be used as a trusted database to store transaction, assets, user information and the like in the financial field such as crowd funding, and the authenticity of the information is ensured.
Step 801: the asset management device receives user registration information sent by at least one crowd-funding platform and adds a first block to a block chain in a node;
for example: the user a fills in user registration information such as a name, a certificate number (an identity card number, a passport number, etc.), occupation, etc. through the first crowd-funding platform 7011 shown in fig. 7, the first crowd-funding platform 7011 sends the user a registration information to the asset management device 703 shown in fig. 7, at this time, the block chain 7021 on the node 1 is idle, and then a first block is added to the block chain on the node 1; for another example: the user B fills in his/her user registration information, such as name, certificate number (identification number, passport number, etc.), occupation, etc., through the second crowd-funding platform 7012 shown in fig. 7, the second crowd-funding platform 7012 sends the user B registration information to the asset management device 703 shown in fig. 7, at this time, the block chain 7021 on the node 2 is free, and a first block is added to the user B registration information on the block chain in the node 2.
Step 802: the asset management device writes user registration information into a first block, distributes corresponding user identification for the user registration information, and sets a corresponding first transaction key for the user identification;
for example: the asset management device 703 shown in fig. 7 writes the registration information of user a to the blockchain 7021 in node 1, and the asset management device 703 writes the registration information of user B to the blockchain 7021 in node 2. Thereafter, the blockchain 7021 in node 1 writes the registration information of the user a to the blockchain 7021 in node 2, and the blockchain 7021 in node 2 writes the registration information of the user B to the blockchain 7021 in node 1, as shown in step 803. Through the process, the registration information can exist on the block chain of each node, the consistency of the block chains of different nodes is ensured, and therefore the user registration information stored on the block chains cannot be changed easily.
In this step, the user ID may be a block ID of the first block, and in order to ensure security of the user transaction, the process further assigns a corresponding first transaction key to each user ID, and only the transaction key input by the user is accurate, the transaction can be performed, so as to further ensure security of the transaction on the crowd-funding platform.
In addition, in the process that the user registers through at least one crowd funding platform, the asset management device can also send the user identification (such as the block ID corresponding to the block written by the user registration information) and the user name and the certificate number to a digital certificate issuing system, such as a trusted digital certificate issuing organization, such as a China financial certification center (CFCA) real name certification system, a certificate certification Center (CA) and the like, and generate a corresponding user digital certificate for the user through the trusted digital certificate issuing organization, so that in the subsequent transaction process, the transaction can be performed through the user digital certificate.
Step 803: synchronizing the user registration information written into the first block to a block chain in other nodes;
through the steps 801 to 803, the registration information in different crowd-funding platforms is stored in the block chain, so that a user registered on any crowd-funding platform can obtain the registration information from other crowd-funding platforms, the registration information of different users is integrated, and meanwhile, the information sharing among different crowd-funding platforms is realized.
Step 804: storing the first transaction key in a safe of the secure storage platform and providing the safe password to the user;
in the embodiment of the present invention, in order to avoid the transaction key being decrypted as much as possible, the transaction key may be a 128-bit or 256-bit character string, and the 128-bit or 256-bit character string is difficult for the user to remember. The 128-bit or 256-bit transaction key may be stored in a safe of the security service platform 704 as shown in fig. 7 and the digital password of the safe, which is typically 8 bits, 6 bits or even 4 bits, may be provided to the user so that the password of the safe may be easily remembered by the user. In the process, each safe stores a user's transaction key, such as: the transaction key of the user a is stored in the safe 7041 in the security service platform 704 shown in fig. 7, and the user a obtains the password of the safe 7041; user B's transaction key is stored in safe 7042 in secure services platform 704 as shown in fig. 7, user B will get the password of that safe 7042. In addition, the password of the safe box can be actively set by the user besides being actively provided by the security service platform.
Step 805: the asset management device receives asset registration information sent by at least one crowd-funding platform and adds a second block to a block chain in one node;
for example: when a company registers all its assets through the third crowd-funding platform 7013 shown in fig. 7, it first adds a second block to the block chain 7021 on the node 2 and writes asset registration information into the block, where the asset registration information includes: user identification, asset attributes, and asset rights and interests of all asset holders; such as: user a holds 40% of the shares of the company and user B holds 60% of the shares of the company, provided that: the user identifier of the user A is an identifier 1; the user identification of the user B is identification 2; the registration in the second block may be: identification 1: 40%, identification 2: 60% of the property of the asset and the equity of the asset, which may be the bond, equity, commons, product, service, etc. of the asset.
Step 806: writing the asset registration information into a second block, and distributing corresponding asset identification for the asset registration information;
in the step, the identifier of the second block is used as an asset identifier to be distributed to the asset, so that the asset also has an identity in the block chain, and in the subsequent query process, all the block chains containing the asset identifier can be queried through the identifier of the asset, thereby ensuring the integrity of asset information query.
Step 807: synchronizing the asset registration information written to the second block to a chain of blocks in other nodes;
this step is similar to step 803 above, ensuring consistency of the block chains in each node.
Step 808: generating a corresponding first asset digital certificate for each asset owner according to the asset identification, the name of the owner corresponding to the asset identification and the certificate number;
in this step, the owner name and the certificate number corresponding to the asset identifier may be obtained by searching the block chain through the recorded user identifier. Since the first asset digital certificate records the identification of the asset, blocks in a block chain related to the identification of the asset recorded by the first asset digital certificate, such as transaction information, user identification of the owner of the asset, and the like, can be referred to through the first asset digital certificate, but detailed information of the owner corresponding to the asset identification cannot be obtained exactly, so that confidentiality of asset information is ensured to a certain extent.
The generation process of the first asset digital certificate may be to send the asset identifier, the name of the owner corresponding to the asset identifier, and the certificate number to a digital certificate issuing system, such as a trusted digital certificate issuing authority, such as a chinese financial certification center (CFCA real name certification system), a certificate certification Center (CA), or the like, and generate a corresponding asset digital certificate for each asset owner through the trusted digital certificate issuing authority.
Step 809: when a current asset is traded on at least one crowd funding platform, determining an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller and a transaction quantity;
the specific process of trading the current asset at the at least one crowd funding platform mentioned in this step: receiving crowd funding information corresponding to the current asset, which is issued by a seller on a first crowd funding platform in the at least one crowd funding platform, and writing the crowd funding information into a block in the block chain; publishing the crowd funding information to the first crowd funding platform and at least one second crowd funding platform; when a transaction request which is sent by a current buyer through the first crowd funding platform or the second crowd funding platform and aims at the crowd funding information is received, the current asset is transacted according to the transaction request.
For example: when a user a publishes 5% of shares in a sold asset a on a second crowd funding platform 7012 shown in fig. 7, the user B sees the information on a third crowd funding platform 7013 shown in fig. 7, the user B purchases 5% of shares in the asset a on the third crowd funding platform 7013 through 100W of a personal asset 2, the user a adds 100W of the personal asset 1, and because both the asset and the user are stored in a block chain, the user a can find the shares according to traceability of the block chain, for example, a user identifier of the user a is identifier 1, a user identifier of the user B is identifier 2, an asset identifier of the asset a is identifier 3, an asset identifier of the personal asset 2 of the user B is identifier 4, and an asset identifier of the personal asset 1 of the user a is identifier 5.
Step 810: receiving a safe password input by a target user, and taking out a second transaction key from a corresponding safe according to the safe password;
for example: user a enters the password for safe 7041 shown in fig. 7 and retrieves the transaction key for user a, and if the safe password is wrong, the transaction key cannot be retrieved accurately, and the transaction cannot proceed.
Step 811: determining that the second transaction key matches the first transaction key of the target user;
the transaction key taken out of the safe by the user is ensured to be consistent with the transaction key distributed by the asset management device, so that the transaction is smoothly carried out.
Step 812: adding a third block to the blockchain in one node;
step 813: writing the asset identification of the current asset, the user identification of the buyer, the user identification of the seller and the transaction quantity into a third block;
for example: in this step, one expression that can be expressed in a blockchain added block is as follows: identification 1: -5% identity 3, identity 1: +100W identifies 5; and identification 2: + 5% mark 3, mark 2: -100W identifies 4; the process of the transaction is clearly recorded by this writing method. In addition, because the block contains the asset identification, when the block chain is inquired through the asset digital certificate, the block of the transaction process containing the asset identification in the asset digital certificate can be directly searched out, meanwhile, because of the name and the certificate number of the user in the asset digital certificate, the user can know the whole transaction process of the user, and the asset owned by the user under the asset digital certificate can be accurately known through the whole transaction process.
Step 814: synchronizing the asset identification of the current asset, the user identification of the buyer, the user identification of the seller and the transaction amount written into the third block to a block chain in other nodes;
the process realizes the backup of the transaction process and ensures the safety of the transaction record.
Step 815: according to the user identifier of the buyer, by searching the block chain, judging whether the buyer holds the first asset digital certificate corresponding to the current asset identifier, if so, executing step 816; otherwise, go to step 817;
in the transaction process, the transaction process of the assets is recorded through the asset identification, namely the asset identification is not changed in the whole transaction process. Then, the asset identification in the first asset digital certificate corresponding to an asset may continuously check all transaction information or registration information related to the asset, and once the user possesses an asset identification first asset digital certificate, there is no need to generate the first asset digital certificate for the asset identification in the subsequent transaction process.
In addition, in this step, it may be further determined whether the seller sells all of the current assets to the user identifier of the buyer according to the user identifier of the seller, the asset identifier of the current asset, and the transaction amount, and if so, the first asset digital certificate of the current asset corresponding to the seller is invalidated.
Step 816: inquiring the asset attribute, the asset interest and the asset transaction condition of the current asset by using the first asset digital certificate, and ending the current flow;
step 817: determining a name and a certificate number corresponding to the user identification of the buyer by searching the block chain;
since the user identifier of the buyer is recorded in the transaction process, the name and the certificate number corresponding to the user identifier can be easily obtained by searching the block in which the user registration information is located in the block chain through the user identifier in the step.
In addition, user registration information including a user name and a certificate number is recorded in the first block, an identification of an asset owner is recorded in the second block, and a buyer identification and an asset identification are recorded in the third block. Then, in this step, it may be found whether the owner identifier corresponding to the asset identifier in the second block includes the buyer identifier through the asset identifier in the transaction process in the third block, or it may also be found whether there is a buyer identifier in other blocks having the asset identifier in the block chain, and if none of them exists, it may be determined that the buyer does not have the asset digital certificate corresponding to the asset identifier. At this time, the buyer name and the certificate number in the registration information corresponding to the buyer identifier in the first block can be found through the buyer identifier in the third block.
Step 818: generating a corresponding second asset digital certificate for the buyer according to the current asset identification and the name and certificate number of the buyer;
in order to ensure the integrity of the user asset statistics, when a user obtains an asset, and an asset identifier corresponding to the obtained asset does not exist in an asset digital certificate already owned by the user, an asset digital certificate corresponding to the asset identifier needs to be generated for the user. For example: and the user A obtains the asset B, the asset identifier of the asset B is the identifier 6, and all the asset digital certificates owned by the user B do not match with the identifier 6, so that the asset digital certificate of the asset B is generated for the user B by using the identifier 6, the name of the user B and the certificate number. Since the creation of the asset digital certificate is recorded in the blockchain, the process of matching all asset digital certificates already owned by user B with the identity 6 can be obtained by looking up the blockchain.
Step 819: and inquiring the asset attribute, the asset interest and the asset transaction condition of the current asset by using the second asset digital certificate.
In addition, the user registration information, the asset registration information, and the asset transaction information in the asset management method may be recorded in different blocks of the block chain as shown in fig. 8, or may be recorded in the same block or may be recorded in two blocks.
In addition, in the implementation of the present invention, in order to further ensure the security of the transaction between the crowd funding platforms, avoid tampering the block chain information, and ensure the authenticity of the transaction, each block in the block chain may be used as a current block to execute:
calculating a first hash value for the current block according to the information stored in the current block, and storing the first hash value of the current block to a next block corresponding to the current block, wherein the information is stored in the current block;
when receiving modification to the information stored in the current block, calculating a second hash value of the current block according to the modification, and when the second hash value is inconsistent with the first hash value, forbidding the modification.
The present invention also provides a computer storage medium storing instructions for causing a machine to perform an auditing method for program code as described herein. Specifically, a system or an apparatus equipped with a storage medium on which software program codes that realize the functions of any of the above-described embodiments are stored may be provided, and a computer (or a CPU or MPU) of the system or the apparatus is caused to read out and execute the program codes stored in the storage medium.
In this case, the program code itself read from the storage medium can realize the functions of any of the above-described embodiments, and thus the program code and the storage medium storing the program code constitute a part of the present invention.
Examples of the storage medium for supplying the program code include a floppy disk, a hard disk, a magneto-optical disk, an optical disk (e.g., CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-RAM, DVD-RW, DVD + RW), a magnetic tape, a nonvolatile memory card, and a ROM. Alternatively, the program code may be downloaded from a server computer via a communications network.
Further, it should be clear that the functions of any one of the above-described embodiments may be implemented not only by executing the program code read out by the computer, but also by causing an operating system or the like operating on the computer to perform a part or all of the actual operations based on instructions of the program code.
Further, it is to be understood that the program code read out from the storage medium is written to a memory provided in an expansion board inserted into the computer or to a memory provided in an expansion unit connected to the computer, and then causes a CPU or the like mounted on the expansion board or the expansion unit to perform part or all of the actual operations based on instructions of the program code, thereby realizing the functions of any of the above-described embodiments.
According to the scheme, the embodiments of the invention have at least the following beneficial effects:
1. by receiving user registration information sent by at least one crowd-funding platform, writing the user registration information into a block in a block chain, assigning a corresponding user identifier to the user registration information, receiving asset registration information sent by the at least one crowd-funding platform, writing the asset registration information into a block in the block chain, assigning a corresponding asset identifier to the asset registration information, the asset registration information comprising: user identification, asset attributes, and asset rights and interests of all asset holders; determining the name and certificate number of each asset holder by using the user identification of each asset holder; generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder; and inquiring the asset attribute and the asset interest by using the first asset digital certificate, wherein the user information and the asset information on each crowd-funding platform can be integrated into a block chain in the whole process, so that the unified management of the assets is realized.
2. In the scheme provided by the embodiment of the invention, when the current asset is traded on at least one crowd-funding platform, any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller and a transaction quantity is determined; and writing any one or more of the asset identification of the current asset, the user identification of the buyer, the user identification of the seller and the transaction quantity into one block in the block chain, and realizing the process of recording the transaction in the block chain through the process, namely recording the flow condition of the asset, so that the asset information and the flow direction of the asset can be inquired through the block chain, the loss of the asset is avoided, and the integrity of the asset is ensured.
3. And according to the user identification of the buyer, judging whether the buyer holds the asset corresponding to the current asset identification by searching the block chain, if not, determining the name and the certificate number corresponding to the user identification of the buyer by searching the block chain, and generating a corresponding second asset digital certificate for the buyer according to the current asset identification and the name and the certificate number of the buyer. This process makes the asset identifications recorded in the asset digital certificates owned by the same user different from each other. Because a transaction with an asset identification can be detected by that asset identification, duplication of the asset digital certificate can be avoided by the above-described process.
4. Setting a corresponding first transaction key for the user identifier; when the current asset is traded on the at least one crowd-funding platform, receiving a second trading key input by a target user, and when the second trading key is matched with the first trading key of the target user, executing the recording of the asset identification, the user identification of the buyer, the user identification of the seller and the trading quantity of the current asset. Since only the user can have the transaction key, the reliability of the transaction can be guaranteed by performing the transaction with the transaction key.
5. By taking each block in the block chain as a current block, performing: calculating a first hash value for the current block according to the information stored in the current block, and storing the first hash value of the current block to a next block corresponding to the current block, wherein the information is stored in the current block; when receiving and modifying the information stored in the current block, calculating a second hash value of the current block according to the modification, and when the second hash value is inconsistent with the first hash value, forbidding the modification, so that one block restricts the modification of another block, and the safety, the irreplaceability and the reliability of the information stored in the block chain are ensured.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims (8)

1. An asset management method is characterized in that user registration information sent by at least one crowd funding platform is received, the user registration information is written into a block in a block chain, and a corresponding user identifier is distributed to the user registration information, and the asset management method further comprises the following steps:
receiving asset registration information sent by the at least one crowd-funding platform, writing the asset registration information into a block in the block chain, and allocating a corresponding asset identifier to the asset registration information, wherein the asset registration information includes: user identification, asset attributes, and asset rights and interests of all asset holders;
determining the name and certificate number of each asset holder by using the user identification of each asset holder;
generating a corresponding first asset digital certificate for each asset holder according to the asset identification and the name and certificate number of each asset holder;
querying the asset attributes and the asset equity using the first asset digital certificate;
further comprising:
storing a chain of blocks on at least two nodes;
after the receiving user registration information sent by at least one crowd funding platform, further comprising: adding a first block to a block chain in a node, and writing the user registration information into the first block; synchronizing the user registration information written into the first block to a block chain in other nodes;
prior to said writing said asset registration information to a block in said block chain, further comprising:
adding a second block to the blockchain in one node;
the writing the asset registration information into a block in the block chain and allocating a corresponding asset identifier to the asset registration information includes:
writing the asset registration information into a second block, and taking the identifier of the second block as the asset identifier;
after said generating a corresponding asset digital certificate for each of said asset holders, further comprising:
when a current asset is traded at least one crowd funding platform, determining any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller, and a transaction amount;
writing any one or more of an asset identification of the current asset, a user identification of a buyer, a user identification of a seller, and a transaction amount to a tile in the blockchain;
after the allocating the corresponding user identifier to the user registration information, further comprising:
setting a corresponding first transaction key for the user identification;
when the current asset is traded on the at least one crowd-funding platform, receiving a second trading key input by a target user, and when the second trading key is matched with the first trading key of the target user, performing the writing of any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller and a trading number into one block in the block chain.
2. The method of claim 1,
after writing any one or more of an asset identification of the current asset, a user identification of a buyer, a user identification of a seller, and a transaction amount to a tile in the tile chain, further comprising:
and according to the user identification of the buyer, judging whether the buyer holds the asset corresponding to the current asset identification by searching the block chain, if not, determining the name and the certificate number corresponding to the user identification of the buyer by searching the block chain, and generating a corresponding second asset digital certificate for the buyer according to the current asset identification and the name and the certificate number of the buyer.
3. The method according to claim 1 or 2,
the trading current assets at least one crowd funding platform comprises:
receiving crowd funding information corresponding to the current asset, which is issued by a seller on a first crowd funding platform in the at least one crowd funding platform, and writing the crowd funding information into a block in the block chain;
publishing the crowd funding information to the first crowd funding platform and at least one second crowd funding platform;
when a transaction request which is sent by a current buyer through the first crowd funding platform or the second crowd funding platform and aims at the crowd funding information is received, the current asset is transacted according to the transaction request.
4. The method of claim 1 or 2, further comprising:
taking each block in the block chain as a current block, and executing:
calculating a first hash value for the current block according to the information stored in the current block, and storing the first hash value of the current block to a next block corresponding to the current block, wherein the information is stored in the current block;
when receiving modification to the information stored in the current block, calculating a second hash value of the current block according to the modification, and when the second hash value is inconsistent with the first hash value, forbidding the modification.
5. An asset management device, comprising:
the system comprises a user registration unit, a service unit and a service unit, wherein the user registration unit is used for receiving user registration information sent by at least one crowd-funding platform outside, writing the user registration information into one block in an outside block chain, and distributing a corresponding user identifier for the user registration information;
the asset registration unit is used for receiving asset registration information sent by at least one external crowd-funding platform, writing the asset registration information into one block in the external block chain, and allocating a corresponding asset identifier to the asset registration information, and the asset registration information includes: the user registration unit distributes user identification, asset attribute and asset rights and interests for all asset holders;
an asset certificate generating unit, configured to determine a name and a certificate number of each asset holder by searching the external block chain by using the user identifier of each asset holder received by the asset registration unit, and generate a corresponding first asset digital certificate for each asset holder according to the asset identifier assigned by the asset registration unit and the name and certificate number of each asset holder;
the inquiry unit is used for inquiring the asset attribute and the asset interest stored in the external block chain by using the first asset digital certificate generated by the asset certificate generation unit;
storing a chain of blocks on at least two nodes;
the user registration unit is configured to, after the receiving user registration information sent by at least one crowd funding platform, further include: adding a first block to a block chain in a node, and writing the user registration information into the first block; synchronizing the user registration information written into the first block to a block chain in other nodes;
the asset registration unit is used for adding a second block to a block chain in one node, writing the asset registration information into the second block, and taking the identifier of the second block as the asset identifier;
further comprising:
the system comprises a transaction unit, a transaction unit and a processing unit, wherein the transaction unit is used for determining any one or more of an asset identifier of a current asset, a user identifier of a buyer, a user identifier of a seller and a transaction quantity when at least one crowd-funding platform outside carries out transaction on the current asset; writing any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller and a transaction amount into an external block in the block chain;
further comprising: a setting unit, wherein,
the setting unit is used for setting a corresponding first transaction key for the user identifier distributed by the user registration unit;
the transaction unit is further configured to receive a second transaction key input by a target user when a current asset is transacted on the external at least one crowd-funding platform, and perform the writing of any one or more of an asset identifier of the current asset, a user identifier of a buyer, a user identifier of a seller, and a transaction amount into one block in the external block chain when the second transaction key matches with the first transaction key of the target user set by the setting unit.
6. The apparatus of claim 5,
further comprising: a judging unit, wherein,
the judging unit is used for judging whether the buyer holds the asset corresponding to the current asset identifier or not by searching an external block chain according to the user identifier of the buyer determined by the transaction unit, and if not, the asset certificate generating unit is triggered;
the asset certificate production unit is further configured to determine a name and a certificate number corresponding to the user identifier of the buyer by searching the external blockchain when the trigger of the determination unit is received, and generate a corresponding second asset digital certificate for the buyer according to the current asset identifier and the name and certificate number of the buyer.
7. An asset management system, comprising: the asset management device of any of claims 5 to 6, at least one crowd-funding platform, and at least one node, wherein,
the crowd funding platform is used for respectively sending user registration information and asset registration information to the asset management device and providing a first asset digital certificate provided by the asset management device to a corresponding user; sending an inquiry request to the asset management device by using the first asset digital certificate;
each node of the at least one node comprises a block chain, and the block chain is used for storing user registration information and asset registration information written by the asset management device through blocks of the block chain;
and the asset management device is used for inquiring the asset attribute and the asset interest in the asset registration information stored in the blockchain included in any one node by using the asset identification in the first asset digital certificate when receiving an inquiry request sent by the at least one crowd-funding platform.
8. The system of claim 7, further comprising: a digital certificate issuing system in which, among others,
the asset management device is used for distributing corresponding user identification for the user registration information, distributing corresponding asset identification for the asset registration information, providing the asset identification, the user identification of an asset holder and the name and certificate number corresponding to the user identification to the digital certificate issuing system, and receiving a first asset digital certificate issued by the digital certificate issuing system;
and the digital certificate issuing system is used for generating a corresponding first asset digital certificate according to the asset identification provided by the asset management device, the user identification of the asset holder and the name and certificate number corresponding to the user identification.
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