CN111931208A - Property right transaction method and device based on block chain - Google Patents

Property right transaction method and device based on block chain Download PDF

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CN111931208A
CN111931208A CN202010805649.6A CN202010805649A CN111931208A CN 111931208 A CN111931208 A CN 111931208A CN 202010805649 A CN202010805649 A CN 202010805649A CN 111931208 A CN111931208 A CN 111931208A
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information
property right
title
block chain
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余振庭
叶磊
蒋超
陈涛
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Industrial and Commercial Bank of China Ltd ICBC
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Abstract

The invention provides a property right transaction method and device based on a block chain, which can be used in the technical field of block chains. The method comprises the following steps: generating a property right transaction block chain according to the property right basic information of the property right transferor; writing the signing information of the property right transferor and the property right transferee into the property right transaction block chain; writing the transfer information acquired from the custody organization into the property right transaction block chain, wherein the transfer information is acquired based on a verification result of the custody organization for verifying the subscription information; and writing the ownership change information acquired from the supervising mechanism into the property right transaction block chain, wherein the ownership change information is generated by the supervising mechanism according to the asset ownership change application initiated by the property right issuer and the property right acquirer. The invention realizes the safe sharing of property right information, the efficient traceability of property right transaction, the transparent transaction and the easy supervision by utilizing the characteristics of the block chain such as consensus mechanism, shared storage, no tampering, decentralization, openness and transparency.

Description

Property right transaction method and device based on block chain
Technical Field
The present invention relates to the field of blockchain technology, and more particularly, to a method and apparatus for trading property rights based on blockchain.
Background
The property right transaction refers to an economic activity that property owners transfer property ownership and operation ownership of the property owners in a paid manner completely or partially, the state property disposition process and property right information are relatively unified, and property right information management is a core module of the property right transaction, so that the property right information can be normally transacted only if the property right information is legal and credible. The title information management mode of the existing title transaction is characterized in that the key elements of title transaction item numbers, title information targets, contract information and the like are used as necessary information for title ownership change, title transaction at the place where a title tag is located and a supervision organization are responsible for title transaction, fund transfer, ownership change and the like, and the problems that the title information of all parts is not shared, trade platforms of all parts lack unified specifications, operation and moral risks exist in the asset transaction of all parts platforms, cross-regional asset flow is lack, enterprise financing cost is high, title information change flow is complex, a complete supervision and review mechanism is lacked and the like exist.
Disclosure of Invention
The embodiment of the invention mainly aims to provide a property right transaction method and device based on a block chain, so that property right information can be safely shared, property right transaction is efficient, traceable and easy to monitor.
In order to achieve the above object, an embodiment of the present invention provides a title transaction method based on a blockchain, where the method includes:
generating a property right transaction block chain according to the property right basic information of the property right transferor;
writing the signing information of the property right transferor and the property right transferee into the property right transaction block chain;
writing transfer information acquired from a custody line into the property transaction block chain, wherein the transfer information is acquired based on a verification result of the custody line for verifying the subscription information;
and writing ownership change information acquired from a monitoring mechanism into the property transaction block chain, wherein the ownership change information is generated by the monitoring mechanism according to an asset ownership change application initiated by the property assignor and the property assignee.
Optionally, in an embodiment of the present invention, the method further includes: and writing transaction result auditing information acquired from the supervising mechanism into the property right transaction block chain, wherein the transaction result auditing information is generated after the supervising mechanism supervises and reviews the signing information, the money transfer information and the ownership change information.
Optionally, in an embodiment of the present invention, the method further includes: and writing the signing information, the transfer information and the ownership change information as property right transaction information into a property right transaction block chain in a block transaction format.
Optionally, in an embodiment of the present invention, the block transaction includes a transaction identifier, a property transaction type, property change information, a transaction input script, and a transaction output script; the title transaction types comprise disclosure, listing, bidding, signing, fund transfer and ownership change, and the title change information comprises title change data corresponding to each title transaction type.
Optionally, in an embodiment of the present invention, the method further includes: and inquiring corresponding property right transaction information in the property right transaction block chain according to the acquired property right transaction type and/or property right change information.
The embodiment of the invention also provides a property right transaction device based on the block chain, which comprises:
the block chain module is used for generating a property right transaction block chain according to the property right basic information of the property right transferor;
the signing information module is used for writing the signing information of the property right transferor and the property right transferee into the property right transaction block chain;
the money transfer information module is used for writing money transfer information acquired from a custody line into the property right transaction block chain, wherein the money transfer information is acquired based on a verification result of the custody line for verifying the signing information;
and the ownership change information module is used for writing ownership change information acquired from a monitoring mechanism into the property right transaction block chain, wherein the ownership change information is generated by the monitoring mechanism according to an asset ownership change application initiated by the property right transferor and the property right transferee.
Optionally, in an embodiment of the present invention, the apparatus further includes: and the transaction result auditing module is used for writing the transaction result auditing information acquired from the supervising mechanism into the property right transaction block chain, wherein the transaction result auditing information is generated after the supervising and auditing of the signing information, the money transfer information and the ownership change information are carried out by the supervising mechanism.
Optionally, in an embodiment of the present invention, the apparatus further includes: and the block transaction module is used for writing the signing information, the transfer information and the ownership change information into the property right transaction block chain in a block transaction format as property right transaction information.
Optionally, in an embodiment of the present invention, the block transaction includes a transaction identifier, a property transaction type, property change information, a transaction input script, and a transaction output script; the title transaction types comprise disclosure, listing, bidding, signing, fund transfer and ownership change, and the title change information comprises title change data corresponding to each title transaction type.
Optionally, in an embodiment of the present invention, the apparatus further includes: and the information inquiry module is used for inquiring the corresponding property right transaction information in the property right transaction block chain according to the acquired property right transaction type and/or the property right change information.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method when executing the program.
The present invention also provides a computer-readable storage medium storing a computer program for executing the above method.
The invention improves the property right transaction process of the traditional proprietary property right exchange as a brokerage role by utilizing the characteristics of a consensus mechanism, shared storage, non-falsification, decentralization, openness and transparency and the like of a block chain, thereby realizing the safe sharing of property right information, high-efficiency traceability of property right transaction, transparent transaction and easy supervision.
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 will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a flowchart of a title transaction method based on a block chain according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an entity interaction scenario in the title transaction process according to an embodiment of the present invention;
FIG. 3 is a block transaction format according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a title transaction process according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a title transaction apparatus based on a block chain according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
The embodiment of the invention provides a property right transaction method and device based on a block chain, which can be used in the technical field of block chains.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The distributed characteristic of the block chain can get through the data barriers among the mechanisms to realize information sharing. Since the title information has the characteristics of public credibility and authority, a block chain which is managed by a plurality of organizations together is suitable for sharing the title information, namely, a shared account book (shared database) mechanism is established among a plurality of business parties through an encryption technology and a point-to-point transmission mode.
Fig. 1 is a flowchart of a title transaction method based on a block chain according to an embodiment of the present invention, where the method includes:
in step S1, a title transaction block chain is generated according to the basic title information of the title transferor.
In the entity interaction scenario in the title transaction process shown in fig. 2, the title issuer, i.e. the current title owner, initiates the title information registration, disclosure, and listing application, and signs a three-party agreement with the title acquirer and the title exchange, and initiates the title ownership change to the supervising agency after receiving the title selling fund. The title basic information includes, for example, basic information of a house in a house. The property right exchange, namely the property right exchange agent, is responsible for disclosing and listing property right information, organizing to carry out bidding auction, organizing the property right transferee and the property right transferor to sign a three-party agreement, and organizing both parties to finish fund and property right delivery.
In addition, the title property assignor initiates title property information disclosure and listing to the title property exchange, the title property exchange reports the title property information to the supervising organization, the accuracy of the title property information is improved, and the title property assignor generates a title property information block chain by the basic title property information and the activity information of disclosure and listing. The title information block chain is used for communicating the title information change among the entities, so that the data isolated chain can be effectively eliminated, and the efficiency of the title transaction process can be improved.
Step S2, writing the signing information of the title transferor and the title transferee into the title transaction block chain.
The title licensee, namely the title buyer, pays a guarantee fund to the title exchange escrow account, removes the cards in a bidding mode, signs a three-party agreement with the title transferor and the title exchange, sends a fund transfer instruction to the escrow bank, finishes ownership change with the title transferor after the fund transfer instruction is finished. And (4) the property right assignees initiate bidding, and after the bidding is finished, the property right assignees and the property right exchange finish signing and report the signing and supervision. And realizing synchronous completion of bidding and signing, wherein the property information block is linked with signing information pushed by the property receiving exchange.
Step S3, writing the money transfer information acquired from the escrow bank into the title transaction block chain, where the money transfer information is acquired based on a verification result of the escrow bank verifying the contract information.
The escrow bank is an organization for legally keeping the funds of the property right transferor, the property right transferee and the property right exchange, and is generally born by a commercial bank, and the escrow bank and the property right transferee complete the transfer and clearing of the funds required by the property right transfer. Specifically, the custody agency verifies and confirms the signing information result recorded on the property information block chain again, transfers and settles funds required for transaction, and then the property transaction block chain receives the transfer information.
Step S4, writing the ownership change information obtained from the supervising mechanism into the title transaction block chain, wherein the ownership change information is generated by the supervising mechanism according to the asset ownership change application initiated by the title transferor and the title transferee.
The supervising organization generally refers to a property right supervising department, supervises the normal progress of property right transaction and property right information change, and ensures the safety and transparency of a property right transaction market. Specifically, the property right transferor and the property right transferee initiate an asset right change application, a supervising mechanism related to the property right registers and updates, update information can be pushed to the property right information block chain in real time, a seller can respond quickly according to a detection result, the fund transaction efficiency can be effectively improved, and the transaction safety is guaranteed by the characteristics of the block chain in the same time.
As an embodiment of the invention, the method further comprises: and writing transaction result auditing information acquired from the supervising mechanism into the property right transaction block chain, wherein the transaction result auditing information is generated after the supervising mechanism supervises and reviews the signing information, the money transfer information and the ownership change information.
After the trading result is confirmed, the supervising authority can supervise and examine the title transfer through the full link of the title information, and the transparency of sunlight in the title transfer trading process is ensured.
As an embodiment of the present invention, the contract information, the transfer information, and the ownership change information are written into a title transaction block chain as title transaction information in a block transaction format.
In which title information of the title transferor and information of each related activity in the title transaction process, called as block transaction (Tx), can be recorded. The unused Transaction Output (UTXO) is a number locked with, and in fact encrypted with, the owner's Public Key (PK), and only the owner's private key (SK) can be unlocked. In the process of property trading, different entities use their UTXO and generate a new UTXO under different scenes, and the UTXO needs to be locked by using the Public Key (PK) of other receivers.
In this embodiment, the block transaction includes a transaction identifier, a property transaction type, property change information, a transaction input script, and a transaction output script; the title transaction types comprise disclosure, listing, bidding, signing, fund transfer and ownership change, and the title change information comprises title change data corresponding to each title transaction type.
Wherein, the block transaction (Tx) format, as shown in fig. 3, each block transaction (Tx) is composed of three parts: identification (Tid), input array (Tin [ ]) and output array (Tout [ ]).
Last tile transaction input 301: for the last block (Tx)pre) Calculate its SHA-256 hash value as the last transaction ID input, TpreID＝SHA256(Txpre)。
Title transaction type 302: transaction type of service (T)type) And the property information change is used for distinguishing different stages, including disclosing and listing, bidding and signing, fund transfer, right change and the like.
Title change information 303: title change information (T)content) The title information change data in each scene is recorded in detail, and a data encryption mode can be set according to requirements, and is usually a symmetric encryption algorithm, such as 3DES, AES, and the like.
Transaction input script 304: inputting scripts
Figure BDA0002629037090000061
For obtaining information content of a previous property right, i.e. SigSK(Txpre) If the transaction is an initial transaction, its transaction entry script may be null and may be represented by φ.
Transaction output script 305: outputting a script (omega) giving a condition for acquiring the content of the title information recorded in the transaction (Tx), i.e. VerPK(body, σ), wherein body includes Txpre，Ttype，TcontentPK, and σ denote the signature of the transaction initiator for the transaction.
In summary, the block transaction format can also be as follows:
Figure BDA0002629037090000062
in this embodiment, according to the acquired title transaction type and/or title change information, the corresponding title transaction information is queried in the title transaction block chain.
Wherein, in order to clarify different stages of title transaction, the title transaction type field (T) is addedtype) And title change information (T)content) To facilitate a quick lookup of a transaction record without having to traverse the entire blockchain. According to the title transaction type and/or title change information to be retrieved, corresponding title transaction information is quickly inquired in the title transaction block chain.
In one embodiment of the present invention, as shown in fig. 4, a block chain based title information transaction process is performed, where asset registration is started to end of the transaction, and each step is recorded on the title information block. The specific process comprises the following steps: 1) and the property transferor initiates a transfer application and registers the property. 2) And the third-party assessment organization evaluates the asset valuation. 3) And (5) a system reporting and supervising agency. 4) And (5) the supervision agency passes the audit. 5) And (5) placing a listing at the property right exchange. 6) The title transferee initiates a card-picking application. 7) The title exchange initiates bidding. 8) The title transferor initiates a quote. 9) The third party justice authority initiates bid justice. 10) The title exchange discloses the bid results. 11) The title transferor, the title exchange and the title transferee sign a three-party contract. 12) The title transferee pays to the escrow institution. 13) The ownership authority initiates an ownership change. 14) The escrow institution completes the transfer of funds.
The invention adopts the block chain technology, and embeds characteristics of decentralization, tamper resistance, openness and transparency and the like of the block chain into the property right transaction information process, thereby realizing the security of property right transaction data, high-efficiency and traceable transaction, and transparent and monitorable transaction. The following effects are mainly achieved:
1. data sharing and security: by utilizing the block chain distributed accounting attribute, distributed accounts can be shared among different network nodes, multiple institutions and different regions, the nodes can be conveniently expanded, data sharing of property exchanges across the country can be realized, the mobility of cross-regional assets is increased, and the financing cost of enterprises is reduced. The index and the hash abstract of the data are stored and encrypted on the block chain, the system data can be accessed only by inquiring the block chain through a key to obtain the data index and the hash abstract, and meanwhile, the safety of the property data is ensured due to the characteristic that the block chain data can not be tampered.
2. Transaction traceability: the whole process of property right transaction is recorded on the block chain, so that the property right transaction record is accurate and traceable, and each data is traceable.
3. The transaction can be monitored: by utilizing the characteristic that data information in the blockchain cannot be changed or cancelled once being written into the block, transaction data recorded in the blockchain are all not falsifiable, and the blockchain information is publicly transparent, so that the supervision of property trading is facilitated.
Fig. 5 is a schematic structural diagram of a title transaction apparatus based on block chains according to an embodiment of the present invention, in which the apparatus includes:
and the block chain module 10 is used for generating a property right transaction block chain according to the property right basic information of the property right transferor.
The title transferor, i.e. the owner of the current title, initiates registration and disclosure of title information, applies for listing, and signs a three-party agreement with the title transferor and the title exchange, and initiates change of title right to the supervising agency after receiving the selling fund of the title. The title basic information includes, for example, basic information of a house in a house. The property right exchange, namely the property right exchange agent, is responsible for disclosing and listing property right information, organizing to carry out bidding auction, organizing the property right transferee and the property right transferor to sign a three-party agreement, and organizing both parties to finish fund and property right delivery.
In addition, the title property assignor initiates title property information disclosure and listing to the title property exchange, the title property exchange reports the title property information to the supervising organization, the accuracy of the title property information is improved, and the title property assignor generates a title property information block chain by the basic title property information and the activity information of disclosure and listing. The title information block chain is used for communicating the title information change among the entities, so that the data isolated chain can be effectively eliminated, and the efficiency of the title transaction process can be improved.
And the signing information module 20 is configured to write the signing information of the property right transferor and the property right transferee into the property right transaction block chain.
The title licensee, namely the title buyer, pays a guarantee fund to the title exchange escrow account, removes the cards in a bidding mode, signs a three-party agreement with the title transferor and the title exchange, sends a fund transfer instruction to the escrow bank, finishes ownership change with the title transferor after the fund transfer instruction is finished. And (4) the property right assignees initiate bidding, and after the bidding is finished, the property right assignees and the property right exchange finish signing and report the signing and supervision. And realizing synchronous completion of bidding and signing, wherein the property information block is linked with signing information pushed by the property receiving exchange.
And the money transfer information module 30 is configured to write money transfer information acquired from a custody organization into the title transaction block chain, where the money transfer information is acquired based on a verification result of the custody organization verifying the subscription information.
The escrow bank is an organization for legally keeping the funds of the property right transferor, the property right transferee and the property right exchange, and is generally born by a commercial bank, and the escrow bank and the property right transferee complete the transfer and clearing of the funds required by the property right transfer. Specifically, the custody agency verifies and confirms the signing information result recorded on the property information block chain again, transfers and settles funds required for transaction, and then the property transaction block chain receives the transfer information.
And an ownership change information module 40, configured to write ownership change information obtained from the supervising entity into the title transaction block chain, where the ownership change information is generated by the supervising entity according to an asset ownership change application initiated by the title transferor and the title transferee.
The supervising organization generally refers to a property right supervising department, supervises the normal progress of property right transaction and property right information change, and ensures the safety and transparency of a property right transaction market. Specifically, the property right transferor and the property right transferee initiate an asset right change application, a supervising mechanism related to the property right registers and updates, update information can be pushed to the property right information block chain in real time, a seller can respond quickly according to a detection result, the fund transaction efficiency can be effectively improved, and the transaction safety is guaranteed by the characteristics of the block chain in the same time.
As an embodiment of the present invention, the apparatus further comprises: and the transaction result auditing module is used for writing the transaction result auditing information acquired from the supervising mechanism into the property right transaction block chain, wherein the transaction result auditing information is generated after the supervising and auditing of the signing information, the money transfer information and the ownership change information are carried out by the supervising mechanism.
As an embodiment of the present invention, the apparatus further comprises: and the block transaction module is used for writing the signing information, the transfer information and the ownership change information into the property right transaction block chain in a block transaction format as property right transaction information.
In this embodiment, the block transaction includes a transaction identifier, a property transaction type, property change information, a transaction input script, and a transaction output script; the title transaction types comprise disclosure, listing, bidding, signing, fund transfer and ownership change, and the title change information comprises title change data corresponding to each title transaction type.
In this embodiment, the apparatus further comprises: and the information inquiry module is used for inquiring the corresponding property right transaction information in the property right transaction block chain according to the acquired property right transaction type and/or the property right change information.
Based on the same application concept as the title transaction method based on the block chain, the invention also provides the title transaction device based on the block chain. Since the principle of solving the problem of the title transaction device based on the blockchain is similar to that of the title transaction method based on the blockchain, the implementation of the title transaction device based on the blockchain can be referred to the implementation of the title transaction method based on the blockchain, and repeated details are not repeated.
The invention improves the property right transaction process of the traditional proprietary property right exchange as a brokerage role by utilizing the characteristics of a consensus mechanism, shared storage, non-falsification, decentralization, openness and transparency and the like of a block chain, thereby realizing the safe sharing of property right information, high-efficiency traceability of property right transaction, transparent transaction and easy supervision.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method when executing the program.
The present invention also provides a computer-readable storage medium storing a computer program for executing the above method.
As shown in fig. 6, the electronic device 600 may further include: communication module 110, input unit 120, audio processing unit 130, display 160, power supply 170. It is noted that the electronic device 600 does not necessarily include all of the components shown in FIG. 6; furthermore, the electronic device 600 may also comprise components not shown in fig. 6, which may be referred to in the prior art.
As shown in fig. 6, the central processor 100, sometimes referred to as a controller or operational control, may include a microprocessor or other processor device and/or logic device, the central processor 100 receiving input and controlling the operation of the various components of the electronic device 600.
The memory 140 may be, for example, one or more of a buffer, a flash memory, a hard drive, a removable media, a volatile memory, a non-volatile memory, or other suitable device. The information relating to the failure may be stored, and a program for executing the information may be stored. And the central processing unit 100 may execute the program stored in the memory 140 to realize information storage or processing, etc.
The input unit 120 provides input to the cpu 100. The input unit 120 is, for example, a key or a touch input device. The power supply 170 is used to provide power to the electronic device 600. The display 160 is used to display an object to be displayed, such as an image or a character. The display may be, for example, an LCD display, but is not limited thereto.
The memory 140 may be a solid state memory such as Read Only Memory (ROM), Random Access Memory (RAM), a SIM card, or the like. There may also be a memory that holds information even when power is off, can be selectively erased, and is provided with more data, an example of which is sometimes called an EPROM or the like. The memory 140 may also be some other type of device. Memory 140 includes buffer memory 141 (sometimes referred to as a buffer). The memory 140 may include an application/function storage section 142, and the application/function storage section 142 is used to store application programs and function programs or a flow for executing the operation of the electronic device 600 by the central processing unit 100.
The memory 140 may also include a data store 143, the data store 143 for storing data, such as contacts, digital data, pictures, sounds, and/or any other data used by the electronic device. The driver storage portion 144 of the memory 140 may include various drivers of the electronic device for communication functions and/or for performing other functions of the electronic device (e.g., messaging application, address book application, etc.).
The communication module 110 is a transmitter/receiver 110 that transmits and receives signals via an antenna 111. The communication module (transmitter/receiver) 110 is coupled to the central processor 100 to provide an input signal and receive an output signal, which may be the same as in the case of a conventional mobile communication terminal.
Based on different communication technologies, a plurality of communication modules 110, such as a cellular network module, a bluetooth module, and/or a wireless local area network module, may be provided in the same electronic device. The communication module (transmitter/receiver) 110 is also coupled to a speaker 131 and a microphone 132 via an audio processor 130 to provide audio output via the speaker 131 and receive audio input from the microphone 132 to implement general telecommunications functions. Audio processor 130 may include any suitable buffers, decoders, amplifiers and so forth. In addition, an audio processor 130 is also coupled to the central processor 100, so that recording on the local can be enabled through a microphone 132, and so that sound stored on the local can be played through a speaker 131.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (12)

1. A method for trading title based on blockchains, the method comprising:
generating a property right transaction block chain according to the property right basic information of the property right transferor;
writing the signing information of the property right transferor and the property right transferee into the property right transaction block chain;
writing transfer information acquired from a custody line into the property transaction block chain, wherein the transfer information is acquired based on a verification result of the custody line for verifying the subscription information;
and writing ownership change information acquired from a monitoring mechanism into the property transaction block chain, wherein the ownership change information is generated by the monitoring mechanism according to an asset ownership change application initiated by the property assignor and the property assignee.
2. The method of claim 1, further comprising: and writing transaction result auditing information acquired from the supervising mechanism into the property right transaction block chain, wherein the transaction result auditing information is generated after the supervising mechanism supervises and reviews the signing information, the money transfer information and the ownership change information.
3. The method of claim 1, further comprising: and writing the signing information, the transfer information and the ownership change information as property right transaction information into a property right transaction block chain in a block transaction format.
4. The method of claim 3, wherein the block transaction comprises a transaction identifier, a title transaction type, title change information, a transaction input script, and a transaction output script; the title transaction types comprise disclosure, listing, bidding, signing, fund transfer and ownership change, and the title change information comprises title change data corresponding to each title transaction type.
5. The method of claim 4, further comprising: and inquiring corresponding property right transaction information in the property right transaction block chain according to the acquired property right transaction type and/or property right change information.
6. A block chain based title transaction apparatus, the apparatus comprising:
the block chain module is used for generating a property right transaction block chain according to the property right basic information of the property right transferor;
the signing information module is used for writing the signing information of the property right transferor and the property right transferee into the property right transaction block chain;
the money transfer information module is used for writing money transfer information acquired from a custody line into the property right transaction block chain, wherein the money transfer information is acquired based on a verification result of the custody line for verifying the signing information;
and the ownership change information module is used for writing ownership change information acquired from a monitoring mechanism into the property right transaction block chain, wherein the ownership change information is generated by the monitoring mechanism according to an asset ownership change application initiated by the property right transferor and the property right transferee.
7. The apparatus of claim 6, further comprising: and the transaction result auditing module is used for writing the transaction result auditing information acquired from the supervising mechanism into the property right transaction block chain, wherein the transaction result auditing information is generated after the supervising and auditing of the signing information, the money transfer information and the ownership change information are carried out by the supervising mechanism.
8. The apparatus of claim 6, further comprising: and the block transaction module is used for writing the signing information, the transfer information and the ownership change information into the property right transaction block chain in a block transaction format as property right transaction information.
9. The apparatus of claim 8, wherein the block transaction comprises a transaction identifier, a title transaction type, title change information, a transaction input script, and a transaction output script; the title transaction types comprise disclosure, listing, bidding, signing, fund transfer and ownership change, and the title change information comprises title change data corresponding to each title transaction type.
10. The apparatus of claim 9, further comprising: and the information inquiry module is used for inquiring the corresponding property right transaction information in the property right transaction block chain according to the acquired property right transaction type and/or the property right change information.
11. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of any one of claims 1 to 5 when executing the program.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program for executing the method of any one of claims 1 to 5.
CN202010805649.6A 2020-08-12 2020-08-12 Property right transaction method and device based on block chain Pending CN111931208A (en)

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