KR102250084B1 - Method for providing untact real estate auction service using block chain - Google Patents

Abstract

Provided is a method for providing an untact real estate auction service using block chain. The method for providing an untact real estate auction service using block chain and conducted by an untact real estate auction system according to various embodiments of the present invention includes the steps of: registering for a real estate auction; receiving at least one bid information for the registered real estate auction; encrypting the inputted at least one bid information; storing the encrypted at least one bid information using block chain; decrypting the encrypted at least one bid information stored in the block chain in response to closing of the registered real estate auction; and selecting a successful bidder for the registered real estate auction by using the decoded at least one bid information.

Description

Method of providing non-face-to-face real estate auction service using blockchain {METHOD FOR PROVIDING UNTACT REAL ESTATE AUCTION SERVICE USING BLOCK CHAIN}

Various embodiments of the present invention relate to a method of providing a non-face-to-face real estate auction service using a block chain.

Real estate auction refers to a procedure in which the creditor forcibly sells real estate owned by the debtor through the court through a competitive trading method on behalf of the debtor when the debtor fails to pay the money by the promised date, and the creditor's debt is repaid with the sale price.

When a real estate is auctioned, the court appraises the value of the real estate through an appraiser and auctions the real estate accordingly. Many people are participating in real estate auctions to buy and sell.

Conventional real estate auctions use a method of selecting a successful bidder according to predetermined conditions (e.g., selection at the time of highest bid or selection of the next bid price, etc.) using the details of the bid through a court having jurisdiction over the area where the sale is located. .

However, since such a conventional real estate auction method has to proceed with the bidding at the court having jurisdiction in the area where the property is located, there is a trouble that bidders who want to participate in the real estate auction must visit the court in person, and the real estate auction is relatively early. Since bidding is initiated, there is a problem that participants living in areas where the sale is located and in remote areas must stay in a different location.

In addition, since only on-site bidding (on-site manual bidding) is possible, there is an inconvenience that a large number of personnel must gather at the court for a real estate auction. In order to solve this problem, there is a problem that there is a possibility of manipulation of the bid data in the case of attempting to receive a bid through online.

In addition, in the context of social distancing due to the epidemic of infectious viruses such as Corona 19, due to the adjournment of the court and occasional change of bidding dates (generally, 30% of the auction market is rescheduled), delinquency that bidders must bear. Interest increases and delays in collection of bonds can lead to a difficult situation for both creditors and debtors.

In addition, since the bid table must be written by hand, there is a problem that errors are frequent and civil petitions are frequently generated due to incorrect bidding.

The problem to be solved by the present invention is to register a real estate auction online and receive bid information for the registered auction, making it easier and more convenient for real estate auction participants to participate in real estate auction without having to visit the court in person. In addition to allowing participants to participate in, real estate auctions can be conducted without restrictions, fast collection of bonds is possible, court manpower can be minimized, and a block chain that can resolve errors that may occur due to manual bidding is created. It is to provide a method of providing a used non-face-to-face real estate auction service.

Another problem to be solved by the present invention is to prevent the manipulation of the bid information for the real estate auction entered online by encrypting the bid information received for the registered real estate auction and storing and managing it in the blockchain network. It is to provide a method of providing a non-face-to-face real estate auction service using an existing blockchain.

Another problem to be solved by the present invention is to release the access authority setting of the encryption key used to encrypt the plurality of bid information entered in the real estate auction after the registered real estate auction ends, and to access the corresponding bid information from the participants. Provides a non-face-to-face real estate auction service using a blockchain that can transparently disclose bidding information for real estate auctions by decrypting the encrypted bidding information using the corresponding cryptographic key in response to obtaining a request for provision of real estate auctions. Is to provide a way.

The problems to be solved by the present invention are not limited to the problems mentioned above, and other problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

A method of providing a non-face-to-face real estate auction service using a block chain according to an embodiment of the present invention for solving the above-described problem is a method of providing a non-face-to-face real estate auction service using a block chain performed by a non-face-to-face real estate auction system. , Registering a real estate auction, receiving one or more bid information for the registered real estate auction, encrypting the input one or more bid information, storing the encrypted one or more bid information using a blockchain Decrypting the encrypted one or more bid information stored in the blockchain in response to the end of the registered real estate auction, and using the decrypted one or more bid information to obtain a successful bidder for the registered real estate auction. It may include the step of selecting.

In various embodiments, in the selecting of the successful bidder, in response to the end of the registered real estate auction, releasing the setting of access rights to the encryption key generated in response to the registered real estate auction, and a plurality of bidders When a request for disclosure of a plurality of bid information entered in the registered real estate auction is obtained from, a plurality of pre-encrypted bid information is decrypted using an encryption key for which the access authority setting has been released according to the disclosure request. It may include the step of providing to the terminal of the bidder.

In various embodiments, registering the real estate auction includes registering the first real estate auction in response to receiving a request for registration of the first real estate auction, and the first real estate auction based on a previously stored real estate auction registration history. A step of determining whether a re-registration request was made due to the initial registration request or a previously registered real estate auction, and when the first real estate auction is determined to be re-registration requested due to the previously registered real estate auction, Information on the pre-registered real estate auction-The information on the pre-registered real estate auction includes at least one of the auction start price, the lowest price, the highest price, and the number of inputted bid information. It may include the step of recommending an auction starting price.

In various embodiments, registering the real estate auction may include automatically generating and registering a smart contract including a start time and an end time for the registered real estate auction.

In various embodiments, registering the real estate auction includes generating an encryption key in response to the registered real estate auction, and the encrypting includes a first password generated in response to the first real estate auction. Encrypting the bidding information on the first real estate auction using a key, and encrypting the bidding information on the second real estate auction using a second encryption key generated in response to the second real estate auction, The decrypting may include decrypting the encrypted bid information for the first real estate auction using the first encryption key, and decrypting the encrypted bid information for the second real estate auction using the second encryption key It may include the step of.

In various embodiments, the generating of the encryption key includes storing the generated encryption key in a second storage space, and the encrypting comprises storing the input one or more bid information in a first storage space. The second storage space is transmitted to the second storage space, the inputted one or more bid information is encrypted using the encryption key stored in the second storage space, and the encrypted one or more bid information is transmitted to the second storage space. 1 transferring to a storage space, wherein the decrypting comprises transferring the encrypted one or more bid information from the first storage space to the second storage space, and transferring the encryption key stored in the second storage space. And decrypting the encrypted one or more bid information by using, and transferring the decrypted one or more bid information from the second storage space to the first storage space.

In various embodiments, the non-face-to-face real estate auction system includes a main server and an auxiliary server, and the encrypting step includes storing a plurality of bid information input to the registered real estate auction in a second storage space of the main server. Encryption using an encryption key, but when the number of bid information input per unit time for the registered real estate auction exceeds a first reference value, the encryption key stored in the second storage space of the main server and the second of the auxiliary server The step of encrypting a plurality of bid information input to the registered real estate auction using an encryption key stored in the storage space, wherein the decrypting step is performed by the main server as the registered real estate auction ends. 2 The encrypted bid information is decrypted using the encryption key stored in the storage space, but when the number of bid information to be decrypted exceeds the second reference value, the encryption key stored in the second storage space of the main server and the auxiliary It may further include the step of decrypting the plurality of encrypted bid information by using the encryption key stored in the second storage space of the server.

In various embodiments, in the step of encrypting, when the number of bid information input per unit time for the registered real estate auction exceeds a reference value, a plurality of bid information input for the registered real estate auction is set in units of a preset number. Grouping by and encrypting the grouped bidding information.

In various embodiments, the selecting of the successful bidder may include selecting the successful bidder according to the decoded one or more bid information and a previously set successful bidder selection method, and determining whether or not each of the decoded one or more bid information is abnormal, and , Excluding the decoded bidding information determined to have the abnormality from the selection target of the successful bidder, and the number of decoded bid information determined to have the abnormality among the decoded one or more bid information exceeds a preset value or the abnormality When the degree of forgery or alteration of the decoded bidding information determined to be present exceeds a predetermined degree, canceling the registered real estate auction may be included.

In various embodiments, the excluding may include comparing a time when the first decrypted bid information is input and a time when the first decrypted bid information is encrypted, with respect to the first decrypted bid information, 1 When the difference between the time when the decrypted bidding information is encrypted and the time at which the first decrypted bidding information is input exceeds a preset reference time, verifying the contents of the first decrypted bidding information, and the first When it is determined that there is an abnormality in the first decoded bid information based on a verification result of the contents of the decoded bid information, it may include the step of excluding the first decoded bid information from the target of selecting the successful bidder.

In various embodiments, the selecting of the successful bidder may include selecting bid information including the highest bid amount using the decoded one or more bid information, and selecting a bidder who has entered the selected bid information as a successful bidder, If the bid amount included in the selected bidding information is less than the lowest price of the registered real estate auction, the step of processing the registered real estate auction and the real estate auction processed for the auction are automatically reconstituted as a new real estate auction according to preset conditions. However, the preset condition may include the step of re-registration through the new real estate auction and the starting price and lowest price of the new real estate auction.

In various embodiments, determining a bidding start time and a bidding end time for the registered real estate auction based on the system time of the blockchain network, and providing information on the determined bidding start time and the determined bidding end time It further comprises a step, wherein the selecting of the successful bidder is not included within the determined bid end time from the determined bidding start time by using a time stamp for a time at which bidding information is input among the decoded one or more bidding information. It may include the step of selecting the decoded bidding information and excluding the selected decoded bidding information from the target of selecting a successful bidder.

Other specific details of the present invention are included in the detailed description and drawings.

According to various embodiments of the present invention, by registering a real estate auction online and receiving bid information for the registered auction, participants who want to participate in the real estate auction do not need to visit the court in person, making real estate easier and more convenient. In addition to being able to participate in auctions, it is possible to conduct real estate auctions without restrictions, quick collection of bonds, minimizing court manpower, and eliminating possible errors due to manual bidding. have.

In addition, there is an advantage in that it is possible to prevent the manipulation of the bid information for the real estate auction entered online by encrypting the bid information received for the registered real estate auction and storing and managing it in the blockchain network.

In addition, after the registered real estate auction ends, in response to canceling the access authority setting of the encryption key used to encrypt the plurality of bid information entered in the real estate auction, and obtaining a request for providing the corresponding bid information from the participants, There is an advantage in that the bid information for real estate auctions can be transparently disclosed by decrypting the bid information encrypted using the corresponding encryption key and providing it to the participants.

The effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the following description.

1 is a diagram illustrating a system for providing a non-face-to-face real estate auction service using a block chain according to an embodiment of the present invention.
2 is a hardware configuration diagram of a server for providing a non-face-to-face real estate auction service using a block chain according to another embodiment of the present invention.
3 is a flowchart of a method for providing a non-face-to-face real estate auction service using a block chain according to another embodiment of the present invention.
4 is a diagram illustrating a configuration in which a plurality of bidding information is encrypted and stored in various embodiments.
5 is a diagram illustrating a configuration for selecting a successful bidder by decoding a plurality of encrypted bidding information in various embodiments.
6 is a diagram illustrating a real estate auction procedure according to a non-face-to-face real estate auction service using a block chain provided by a server for providing a non-face-to-face real estate auction service using a block chain in various embodiments.
7 to 10 are diagrams illustrating a user interface (UI) provided by a non-face-to-face real estate auction service providing server using a block chain in various embodiments.

Advantages and features of the present invention, and a method of achieving them will become apparent with reference to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but may be implemented in a variety of different forms. It is provided to fully inform the skilled person of the scope of the present invention, and the present invention is only defined by the scope of the claims.

The terms used in the present specification are for describing exemplary embodiments and are not intended to limit the present invention. In this specification, the singular form also includes the plural form unless specifically stated in the phrase. As used herein, “comprises” and/or “comprising” do not exclude the presence or addition of one or more other elements other than the mentioned elements. Throughout the specification, the same reference numerals refer to the same elements, and "and/or" includes each and all combinations of one or more of the mentioned elements. Although "first", "second", and the like are used to describe various elements, it goes without saying that these elements are not limited by these terms. These terms are only used to distinguish one component from another component. Therefore, it goes without saying that the first component mentioned below may be the second component within the technical idea of the present invention.

Unless otherwise defined, all terms (including technical and scientific terms) used in the present specification may be used with meanings that can be commonly understood by those of ordinary skill in the art to which the present invention belongs. In addition, terms defined in a commonly used dictionary are not interpreted ideally or excessively unless explicitly defined specifically.

The term "unit" or "module" used in the specification refers to a hardware component such as software, FPGA or ASIC, and the "unit" or "module" performs certain roles. However, "unit" or "module" is not meant to be limited to software or hardware. The “unit” or “module” may be configured to be in an addressable storage medium, or may be configured to reproduce one or more processors. Thus, as an example, "sub" or "module" refers to components such as software components, object-oriented software components, class components, and task components, processes, functions, properties, Includes procedures, subroutines, segments of program code, drivers, firmware, microcode, circuits, data, databases, data structures, tables, arrays and variables. Components and functions provided within "sub" or "modules" may be combined into a smaller number of components and "sub" or "modules" or into additional components and "sub" or "modules". Can be further separated.

Spatially relative terms "below", "beneath", "lower", "above", "upper", etc. It can be used to easily describe the correlation between a component and other components. Spatially relative terms should be understood as terms including different directions of components during use or operation in addition to the directions shown in the drawings. For example, if a component shown in a drawing is turned over, a component described as "below" or "beneath" of another component will be placed "above" the other component. I can. Accordingly, the exemplary term “below” may include both directions below and above. Components may be oriented in other directions, and thus spatially relative terms may be interpreted according to the orientation.

In the present specification, a computer means all kinds of hardware devices including at least one processor, and may be understood as encompassing a software configuration operating in the corresponding hardware device according to embodiments. For example, the computer may be understood as including all of a smartphone, a tablet PC, a desktop, a laptop, and a user client and application running on each device, and is not limited thereto.

In addition, although this specification describes a method of providing a non-face-to-face real estate auction service using a block chain, this is only an example and is not limited thereto, and a non-face-to-face auction is also applied to objects other than real estate (eg, automobiles). Service can be provided.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Each of the steps described herein is described as being performed by a computer, but the subject of each step is not limited thereto, and at least some of the steps may be performed by different devices according to embodiments.

1 is a diagram illustrating a system for providing a non-face-to-face real estate auction service using a block chain according to an embodiment of the present invention.

Referring to FIG. 1, a system for providing a non-face-to-face real estate auction service using a block chain according to an embodiment of the present invention may include a real estate auction service providing server 100, a user terminal 200, and an external server 300. have.

Here, the system for providing a non-face-to-face real estate auction service using the block chain shown in FIG. 1 is according to an embodiment, and its components are not limited to the embodiment shown in FIG. It can be deleted.

In one embodiment, the real estate auction service providing server 100 may provide a non-face-to-face real estate auction service using a block chain.

For example, the real estate auction service providing server 100 registers a real estate auction at the request of a first user (eg, a real estate auction registrant), and registers real estate from a plurality of second users (eg, real estate auction participants). Bid information for an auction is input, and a successful bidder for a corresponding real estate auction can be selected (or auctioned out, or processed by a patrol) by using the bidding information.

In various embodiments, the real estate auction service providing server 100 may provide an application that provides a non-face-to-face real estate auction service using a block chain, and in response to executing the application, a non-face-to-face real estate auction service using a block chain Can provide. However, it is not limited thereto.

In various embodiments, the real estate auction service providing server 100 may be provided with a storage space for storing various data and information related to a non-face-to-face real estate auction service using a block chain.

In this case, the storage space may include two storage spaces isolated from each other (eg, a first storage space and a second storage space), and each storage space stores different data (eg, through the first storage space). Bidding information input from the user, encrypted bidding information, and decrypted bidding information can be stored, and an encryption key for encrypting or decrypting bidding information can be stored through the second storage space, and for each storage space Access rights can also be set differently from each other.

That is, the real estate auction service providing server 100 generates and stores an encryption key for encrypting and decrypting bidding information, but by storing and managing the encryption key separately from other information and data, the encryption key is prevented from being leaked. can do.

In various embodiments, the real estate auction service providing server 100 may be composed of a main server (not shown) and one or more auxiliary servers (not shown) providing a non-face-to-face real estate auction service using a block chain, and data to be processed Depending on the amount of (eg, the number of bid information to be encrypted, the number of bid information to be decrypted, etc.), the main server and one or more auxiliary servers may be flexibly used to encrypt the bid information or decrypt the encrypted bid information.

In various embodiments, the real estate auction service providing server 100 determines whether the user is a pre-registered member when a user wants to receive a non-face-to-face real estate auction service using a block chain, and the user is not a member. If it is determined to be, a member registration UI can be provided to register a member. Thereafter, the real estate auction service providing server 100 may guide a user who has subscribed to a member to use a non-face-to-face real estate auction service using a block chain, or may provide an online lecture on how to conduct a real estate auction.

In various embodiments, the real estate auction service providing server 100 derives profitability for real estate by analyzing information on real estate included in each of a plurality of registered real estate auctions, and includes information on the derived profitability. Investment information can be provided to multiple bidders.

In one embodiment, the user terminal 200 may be connected to the real estate auction service providing server 100 through the network 400, and provides a non-face-to-face real estate auction service using a block chain from the real estate auction service providing server 100 I can receive it.

In various embodiments, the user terminal 200 includes a display on at least a portion of the user terminal 200 and may be a smartphone including an operating system capable of driving an application, and the application provided from the real estate auction service providing server 100 As downloaded, installed, and executed, a non-face-to-face real estate auction service user interface (UI) (eg, FIGS. 7 to 10) using a block chain can be output on the display, and a list of registered real estate auctions can be displayed through the UI. You can be provided, or you can enter bid information for a specific real estate auction. However, it is not limited thereto.

In one embodiment, the external server 300 may be connected to the real estate auction service providing server 100 through the network 400, and various information (eg, registered real estate auctions) provided from the real estate auction service providing server 100 Information, information on a plurality of participants, encrypted bidding information, etc.) can be stored and managed.

In various embodiments, the external server 300 may distribute and store each of the encrypted bidding information through the real estate auction service providing server 100 using blockchain technology. However, it is not limited thereto.

Here, in the non-face-to-face real estate auction service providing system using the block chain shown in FIG. 1, the external server 300 is shown to be separately provided outside the real estate auction service providing server 100, but is not limited thereto. 300 may be implemented in a form included in the real estate auction service providing server 100. Hereinafter, a hardware configuration of the real estate auction service providing server 100 will be described with reference to FIG. 2.

2 is a hardware configuration diagram of a server for providing a non-face-to-face real estate auction service using a block chain according to another embodiment of the present invention.

Referring to FIG. 2, a real estate auction service providing server 100 (hereinafter, "computing device 100") according to another embodiment of the present invention includes one or more processors 110 and a computer executed by the processor 110. A memory 120 for loading the program 151, a bus 130, a communication interface 140, and a storage 150 for storing the computer program 151 may be included. Here, only the components related to the embodiment of the present invention are shown in FIG. 2. Accordingly, those of ordinary skill in the art to which the present invention pertains can recognize that other general-purpose components may be further included in addition to the components shown in FIG. 2.

The processor 110 controls the overall operation of each component of the computing device 100. The processor 110 includes a CPU (Central Processing Unit), MPU (Micro Processor Unit), MCU (Micro Controller Unit), GPU (Graphic Processing Unit), or any type of processor well known in the technical field of the present invention. Can be.

In addition, the processor 110 may perform an operation on at least one application or program for executing the method according to embodiments of the present invention, and the computing device 100 may include one or more processors.

In various embodiments, the processor 110 temporarily and/or permanently stores a signal (or data) processed inside the processor 110. -Only Memory, not shown) may be further included. In addition, the processor 110 may be implemented in the form of a system on chip (SoC) including at least one of a graphic processor, RAM, and ROM.

The memory 120 stores various types of data, commands, and/or information. The memory 120 may load the computer program 151 from the storage 150 to execute a method/operation according to various embodiments of the present disclosure. When the computer program 151 is loaded in the memory 120, the processor 110 may perform the method/operation by executing one or more instructions constituting the computer program 151. The memory 120 may be implemented as a volatile memory such as RAM, but the technical scope of the present disclosure is not limited thereto.

The bus 130 provides a communication function between components of the computing device 100. The bus 130 may be implemented as various types of buses such as an address bus, a data bus, and a control bus.

The communication interface 140 supports wired/wireless Internet communication of the computing device 100. In addition, the communication interface 140 may support various communication methods other than Internet communication. To this end, the communication interface 140 may be configured to include a communication module well known in the art. In some embodiments, the communication interface 140 may be omitted.

The storage 150 may non-temporarily store the computer program 151. When performing a process of providing a non-face-to-face real estate auction service using a block chain through the computing device 100, the storage 150 may store various types of information necessary to provide a process of providing a non-face-to-face real estate auction service using a block chain. .

The storage 150 is a nonvolatile memory such as a ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), flash memory, etc., a hard disk, a removable disk, or well in the technical field to which the present invention belongs. It may be configured to include any known computer-readable recording medium.

Computer program 151 may include one or more instructions that when loaded into memory 120 cause processor 110 to perform a method/operation in accordance with various embodiments of the present invention. That is, the processor 110 may perform the method/operation according to various embodiments of the present disclosure by executing the one or more instructions.

In one embodiment, the computer program 151 registers a real estate auction, receives one or more bid information for the registered real estate auction, encrypts one or more input bid information, and encrypts it using a block chain. Storing one or more bid information that has been registered, decrypting one or more encrypted bid information stored in the blockchain in response to the end of the registered real estate auction, and for a registered real estate auction using the decrypted one or more bid information. It may include one or more instructions for performing a method of providing a non-face-to-face real estate auction service using a block chain including selecting a successful bidder.

The steps of a method or algorithm described in connection with an embodiment of the present invention may be implemented directly in hardware, implemented as a software module executed by hardware, or a combination thereof. Software modules include Random Access Memory (RAM), Read Only Memory (ROM), Erasable Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), Flash Memory, hard disk, removable disk, CD-ROM, or It may reside on any type of computer-readable recording medium well known in the art to which the present invention pertains.

Components of the present invention may be implemented as a program (or application) and stored in a medium to be executed by being combined with a computer that is hardware. Components of the present invention may be implemented as software programming or software elements, and similarly, embodiments include various algorithms implemented with a combination of data structures, processes, routines or other programming elements, including C, C++. , Java, assembler, or the like may be implemented in a programming or scripting language. Functional aspects can be implemented with an algorithm running on one or more processors. Hereinafter, a method of providing a non-face-to-face real estate auction service using a block chain performed by the computing device 100 will be described with reference to FIGS. 3 to 5.

3 is a flow chart of a method for providing a non-face-to-face real estate auction service using a block chain according to another embodiment of the present invention, and FIG. 4 is a diagram illustrating a configuration of encrypting and storing a plurality of bid information in various embodiments. , FIG. 5 is a diagram illustrating a configuration for selecting a successful bidder by decoding a plurality of encrypted bidding information in various embodiments.

3 to 5, in step S110, the computing device 100 may register a real estate auction. For example, the computing device 100 may obtain a real estate auction registration request including real estate information from a user who wishes to register a real estate auction, and may register a real estate auction according to the real estate auction registration request.

Here, the real estate information may include a real estate object name, real estate attribute information (eg, address, area, etc.), an appraised price, a lowest price, and an auction start price, but is not limited thereto, and various information necessary for a real estate auction may be applied.

In various embodiments, the computing device 100 registers the first real estate auction in response to receiving a registration request for the first real estate auction from the user, and the first real estate auction is initially registered using the previously stored real estate auction registration history. It can be determined whether it is requested or whether a re-registration request has been made because a previously registered real estate auction has been viewed.

For example, the computing device 100 determines whether there is a history in which a real estate auction identical or similar to the first real estate auction requested for registration from the user has been registered based on the previously stored real estate auction registration history, and the first real estate auction is initiated. It can be determined whether registration has been requested or whether re-registration has been requested due to a pre-registered real estate auction.

Thereafter, when it is determined that the first real estate auction has been initially requested for registration, the computing device 100 registers the first real estate auction as a new real estate auction, and stores information on the registered first real estate auction. You can record it and save it.

On the other hand, when the first real estate auction is determined that the first real estate auction previously registered and re-registration is requested, based on the previously registered first real estate auction, the computing device 100 1 Real estate auctions can be automatically registered without entering additional information, and the registered first real estate auction information can be recorded and stored in conjunction with previously registered first real estate auction information on the previously stored real estate auction registration history. have.

At this time, the computing device 100 analyzes the history of the previously registered first real estate auction, analyzes the cause of the previously registered first real estate auction, and prevents the first real estate auction requested for re-registration from being sold. You can provide the guide information. For example, the computing device 100 analyzes the progress of a previously registered first real estate auction, and if it is determined that the lowest price and the auction start price of the first real estate are set relatively high, 1 Calculate the auction starting price and the lowest price for the first real estate auction requested for re-registration by using the information of the real estate auction (e.g., auction starting price, lowest price, highest price, and number of entered bid information), and calculated auction starting price and lowest price. You can provide recommendations. Through this, there is an advantage in that it is possible to prevent a real estate auction that is re-registered due to the auction being patrolled again for the same reason. However, the present invention is not limited thereto, and the computing device 100 may re-register the first real estate auction by automatically applying the calculated auction starting price and the lowest price for a real estate auction that is re-registered after being inspected.

In various embodiments, when registering a real estate auction according to a user request, the computing device 100 may automatically generate and register a smart contract including a start time and an end time for the registered real estate auction. .

In various embodiments, the computing device 100 may not modify the contents of the registered real estate auction after the real estate auction is registered and processed according to the user's request and a smart contract for the registered real estate auction is automatically generated and registered. You may not be given the right to modify. For example, the computing device 100 may modify and modify a previously registered real estate auction due to incorrect or not inputting some information in the process of inputting information on real estate and a set value of a real estate auction in order to register a real estate auction by the user. Even if a correction is requested, the registered real estate auction may be deleted and re-registered according to the user's request without modifying the contents of the previously registered real estate auction and smart contract.

That is, the computing device 100 permits new registration of a real estate auction, but by setting it so that it is not possible to modify the previously registered real estate auction, that is, to modify the existing information, in consideration of security issues, external information such as hacking, etc. Existing information can be prevented from being forged or altered through malicious access.

In various embodiments, when a smart contract for a registered real estate auction is generated and registered, the computing device 100 may generate an encryption key for encrypting and decrypting bidding information input through the smart contract. In this case, when a plurality of real estate auctions are registered, the computing device 100 may individually generate and store a smart contract and an encryption key for each of the registered plurality of real estate auctions.

Here, the encryption keys generated by the computing device 100 are stored in a storage space (for example, a second storage space) separately provided in the computing device 100, thereby storing the encryption key in isolation from other information, Can be prevented from leaking. However, it is not limited thereto. In addition, the computing device 100 may prevent direct access to the encryption key stored in the second storage space from outside by setting the access authority to prevent direct access from the outside to the second storage space in which the encryption key is stored. .

In step S120, the computing device 100 may determine whether to start a registered real estate auction. For example, it is possible to determine whether or not the registered real estate auction is started by comparing the auction start time input from the user with the current time for the registered real estate auction.

In various embodiments, the computing device 100 converts the start time and end time of a registered real estate auction according to a user request based on the system time of a blockchain network (eg, Ethereum network) to initiate a real estate auction. The time and the bidding end time can be determined, and the current time of the system can be compared with the bidding start time based on the system time of the blockchain network to determine whether or not a registered real estate auction is initiated. However, it is not limited thereto.

In the method of managing the bidding start time and the bidding end time of each of a plurality of real estate auctions, a user who registers each of a plurality of real estate auctions or a plurality of bidders who wish to bid a plurality of registered real estate auctions are different from each other. Due to the use of a clock, there may be an error between the bidding start time and the bidding end time recognized by each of the plurality of users and the plurality of bidders, and accordingly, time-related issues such as entering the bid information after the bidding type time There is room for it to happen.

Accordingly, according to the timestamp input based on the system time of the blockchain network, the bidding start time and the bidding end time are determined for each of a plurality of real estate auctions, and the system time of the blockchain network is provided to users in real time (e.g. : By providing the current system time through the clock UI, or by providing information on how long until the bidding start time or how much remains until the bidding end time for each of a plurality of real estate auctions), By correcting the error between the times perceived by the bidders, it is possible to prevent such time-related issues from occurring.

In step S130, the computing device 100 may receive bidding information for each of a plurality of previously registered real estate auctions from a plurality of bidders. For example, the computing device 100 may provide a UI (eg, FIGS. 6 to 9) to each terminal of a plurality of bidders who wish to participate in a real estate auction, and may provide bidding information for one or more real estate auctions through the UI. Can be input.

Here, the bidding information may include a bidder name, a bid amount, and auction agent information (when a bidder does not directly bid for an auction, but bids through an auction agent) (eg, auction agent name). However, it is not limited thereto, and considering that bid information can be input from a person of the same name for one real estate auction, the bid information is registered as a member along with the name of the bidder (e.g., non-face-to-face real estate auction using blockchain When registering as a member to use the service), a unique code that is individually given to each bidder may be further included.

In various embodiments, the computing device 100 may automatically reverse and process bidding information input before a bidding start time and bidding information input after a bidding end time for each of a plurality of real estate auctions.

In step S140, the computing device 100 may encrypt and store one or more bid information received in step S130. For example, the computing device 100 encrypts the bidding information on the first real estate auction by using the first encryption key generated in response to the first real estate auction as shown in FIG. Bidding information regarding the second real estate auction may be encrypted using the correspondingly generated second encryption key.

In various embodiments, the computing device 100 transfers one or more bidding information input in step S130 from the first storage space to the second storage space, and uses the encryption key stored in the second storage space. At least one bid information may be encrypted in the second storage space, and one or more bid information encrypted in the second storage space may be transferred from the second storage space to the first storage space and stored in the first storage space.

That is, the computing device 100 can separate the first storage space for storing the bid information and the second storage space for storing the encryption key, and when encrypting the bid information, the encryption key stored in the second storage space is obtained and encrypted. Rather, by taking the bid information itself to the second storage space and encrypting it, and bringing the encrypted bid information back to the first storage space from the second storage space, the encryption key is leaked to the outside in the process of encrypting the bid information. Can be prevented.

In various embodiments, the computing device 100 may include a main server and an auxiliary server for receiving bid information for a registered real estate auction and encrypting the entered bid information, and the amount of data to be processed (a bid to be encrypted Depending on the number of information), bidding information may be encrypted using at least one of the main server and the auxiliary server.

For example, the computing device 100 encrypts a plurality of bid information input to a registered real estate auction using an encryption key stored in the second storage space of the main server, but the bid entered per unit time for the registered real estate auction When the number of information exceeds the first reference value, the encryption key stored in the second storage space of the main server and the encryption key stored in the second storage space of the secondary server are used to encrypt a plurality of bid information entered in the registered real estate auction. I can. To this end, the encryption key stored in the second storage space of the main server may be copied and stored in the second storage space of the auxiliary server.

In addition, the computing device 100 uses the main server and the auxiliary server to encrypt a plurality of bid information, when the number of bid information input per unit time for a registered real estate auction falls below the first reference value, only the main server again. It can be used to encrypt the bidding information.

That is, the computing device 100 encrypts a plurality of bid information entered in the registered real estate auction using the main server, but those who want to bid for the auction, such as immediately after the real estate auction is registered or just before the real estate auction closes, In many cases, by using the main server and the auxiliary server together to encrypt a plurality of bid information, the time required for the plurality of bid information to be encrypted is reduced, so that the bid information entered for a real estate auction is not damaged in a short time. And, accordingly, there is an advantage in that the real estate auction can proceed smoothly.

In various embodiments, the computing device 100 encrypts a plurality of bid information input to a registered real estate auction, but when the number of bid information input per unit time for a registered real estate auction exceeds a reference value, the registered real estate auction A plurality of bidding information input for is grouped in units of a preset number, and the grouped bidding information may be encrypted.

For example, when the number of bidding information input per unit time for a registered real estate auction exceeds a reference value, the computing device 100 creates one group by grouping the input bidding information into N units, and generates N bidding information. Encrypting the group itself by using a group containing information as one bid information (e.g., arranging the information included in N bid information on one bid information template, and encrypting one bid information template itself, By encrypting N pieces of bidding information by an encryption operation), the number of bidding information to be encrypted can be reduced to 1/N, thereby dramatically improving the speed of the encryption operation. However, it is not limited thereto.

In various embodiments, the computing device 100 may store one or more bid information encrypted through the above process. For example, the computing device 100 may store one or more encrypted bidding information in the blockchain using blockchain technology.

In this case, the computing device 100 stores one or more encrypted bid information, but information on which real estate auction bid for each encrypted bid information may not be recorded on the blockchain, and the computing device 100 Each data (encrypted bidding information) stored in the blockchain in another storage space separately provided in the inside and information on which real estate auction is related to each data can be matched and stored.

Here, due to the nature of the block chain, when hacking occurs in the block chain, it is difficult to recognize the hacking itself, and even if the hacking is recognized, there is a problem that it is difficult to grasp which route and for what reason.

Accordingly, the computing device 100 not only encrypts and stores the bid information, but also does not record information on which real estate auction bid information is on the blockchain in order to strengthen the security of the bid information. Even if it is hacked, it is possible to make it impossible to know what kind of real estate auction is related to each data, and accordingly, there is an advantage in that it is possible to prevent undue intervention in real estate auction.

In step S150, the computing device 100 may determine whether the registered real estate auction has ended. Here, the operation of determining whether the registered real estate auction is terminated by the computing device 100 may be implemented in the same or similar form as the operation of determining whether the registered real estate auction is started (for example, step S120), but is limited thereto. It doesn't work.

At this time, when it is determined that the registered real estate auction has not ended, the computing device 100 receives bid information for the registered real estate auction, encrypts the received bid information, and stores the encrypted bid information ( Example: Steps S130 and S140) may be repeatedly performed.

In step S160, when the registered real estate auction ends through step S150, the computing device 100 may decrypt one or more encrypted bid information stored in the blockchain in response to the end of the registered real estate auction. For example, as shown in FIG. 5, the computing device 100 decrypts the bid information on the encrypted first real estate auction using the first encryption key generated in response to the first real estate auction, and Bidding information regarding the encrypted second real estate auction may be decrypted using the second encryption key generated in response to the auction.

In various embodiments, the computing device 100 transmits the one or more bid information encrypted in step S140 from the first storage space to the second storage space, and uses the encryption key stored in the second storage space. The one or more bid information encrypted in is decrypted, and the one or more bid information decrypted in the second storage space may be transferred from the second storage space to the first storage space and stored in the first storage space.

That is, as in the operation of encrypting one or more bid information, the computing device 100 does not retrieve and decrypt the encryption key stored in the second storage space when decoding the bid information, but transfers the encrypted bid information itself to the second storage space. It is possible to prevent the encryption key from leaking out of the second storage space in the process of decrypting the encrypted bid information by taking the decryption and bringing the decrypted bid information back from the second storage space to the first storage space. .

In various embodiments, the computing device 100 may decrypt the encrypted bid information using at least one of a main server and an auxiliary server according to the amount of data to be processed (the number of bid information to be decrypted).

For example, as the registered real estate auction ends, the computing device 100 decrypts a plurality of encrypted bid information using the encryption key stored in the second storage space of the main server, but the number of bid information to be decrypted is second. When the reference value is exceeded, a plurality of encrypted bid information may be decrypted using the encryption key stored in the second storage space of the main server and the encryption key stored in the second storage space of the auxiliary server.

In addition, when the number of bid information to be decrypted falls below the second reference value while decrypting a plurality of bid information encrypted using the main server and the auxiliary server, the computing device 100 encrypts the bid information again using only the main server. can do.

Here, in the method of providing a non-face-to-face real estate auction service using a block chain performed by the computing device 100, a plurality of bid information input from a plurality of bidders is encrypted using an encryption key, and an encryption key used to encrypt the bid information. It has been described that a method of decrypting a plurality of bid information encrypted using the symmetric key encryption method, that is, the encryption key for encrypting the bid information and the encryption key for decrypting the same, is described as using a single symmetric key encryption method for encrypting and decrypting the bid information. It is only an example, and the present invention is not limited thereto, and various encryption and decryption methods may be applied.

In various embodiments, the computing device 100 may encrypt and decrypt bid information by applying a public key encryption method. For example, the computing device 100 may first generate a symmetric key or a secret key for a user through the user terminal 200. Thereafter, the computing device 100 registers a real estate auction, and when the user inputs bidding information in the registered real estate auction, the user terminal 200 uses a symmetric key or a secret key generated through the user terminal 200. You can have the bidding information encrypted in. Thereafter, the computing device 100 may receive and store the encrypted bidding information from the user terminal 200, and when the encrypted bidding information is to be decrypted later, the symmetrical used to encrypt the bidding information from the user terminal 200 It is possible to receive a key or a secret key and use it to decrypt the encrypted bidding information. In addition, the computing device 100 may provide information related to a real estate auction according to a user request later.

That is, the computing device 100 may encrypt bidding information input from a plurality of bidders using a public key, and may receive and decrypt a private key from each of the plurality of bidders when decrypting the encrypted bidding information.

However, since the computing device 100 needs to receive a private key from the bidder who entered the bid information in order to decrypt the encrypted bid information, if the encrypted bid information cannot be decrypted because the private key is not provided, the successful bidder will be selected. In some cases, there is a problem that problems such as being excluded from the program, or the real estate auction itself being sold, may occur. In addition, when a private key is issued to each of a plurality of bidders, there is a problem that it may be difficult to safely store the private key.

In order to overcome these problems, the computing device 100 generates and issues a private key to the bidders who have entered the bid information, but divides each private key issued to the bidders into several pieces and stores them distributedly, or stores the first. Private keys issued to bidders may be stored and managed in a third storage space separately provided in addition to the space and the second storage space. In addition, the computing device 100 receives a private key from a plurality of bidders who input each of the bid information in order to encrypt a plurality of decrypted bid information, but at least one bidder's terminal not providing a private key among the plurality of bidders You can provide an alarm to guide you to provide your private key. In this case, when the private key is not provided from at least one bidder despite providing the alarm, the computing device 100 may continuously send an alarm every preset period, and a period of providing the alarm every preset time unit. Can be adjusted shortly. However, the present invention is not limited thereto, and other general-purpose techniques for encrypting specific information and decrypting the encrypted specific information may be applied.

In various embodiments, the computing device 100 may apply different encryption methods to each of a plurality of real estate auctions. For example, the computing device 100 applies a symmetric key encryption method for newly registered real estate auctions, but asymmetric key encryption for re-registered real estate auctions because it is determined that there is damage to bid information during re-registered real estate auctions. The method can be applied.

In step S170, the computing device 100 may select a successful bidder for the registered real estate auction by using the one or more bid information decoded in step S160.

In various embodiments, the computing device 100 may select a successful bidder according to one or more decoded bidding information and a preset successful bidder selection method. For example, when the previously set successful bidder selection method is a method of selecting a bidder who bids the highest price as a successful bidder, the computing device 100 compares the bid amount included in each of the decoded one or more bid information, and the highest bid Bid information including an amount of money may be selected, and a bidder who inputs the selected bid information may be selected as a successful bidder.

In addition, when the previously set successful bidder selection method is a method of selecting a bidder who has entered the second highest bid amount as a successful bidder, the computing device 100 sets the bid amount included in each of the decoded one or more bid information to have a large value. A bidder who has sequentially sorted from the bid amount and inputs the bid information including the second highest bid amount among the sorted bid amounts may be selected as a successful bidder. However, it is not limited thereto.

In various embodiments, the computing device 100 selects a successful bidder according to one or more decoded bid information and a previously set successful bidder selection method, and determines whether there is an abnormality in each of the decoded one or more bid information, and indicates that there is an abnormality. The determined decoded bidding information may be excluded from the selection of a successful bidder.

For example, the computing device 100 may compare a time at which the first bid information is input and a time at which the first bid information is encrypted with respect to the first bid information input for a registered real estate auction.

In this case, when the difference between the time at which the first bid information is input and the time at which the first bid information is encrypted exceeds a preset reference time, the computing device 100 may verify the contents of the first bid information. That is, after the bid information is entered, the entered bid information must be encrypted immediately, but if the time is delayed before the entered bid information is encrypted, the bid information may have been damaged during the delayed time. It can be verified whether is the original or damaged.

In various embodiments, the method of verifying the content of the first bid information performed by the computing device 100 includes the content of the first bid information before encryption and the first bid information are encrypted, and then decrypted again. Contents of the bidding information may be compared to determine whether each bidding information is the same.

In various embodiments, the computing device 100 requests a bidder who has entered the first bid information for the content included in the decoded first bid information to verify the content, and receives the bid information from the user in response to the request. Integrity verification results can be obtained. However, the present invention is not limited thereto, and other general techniques for verifying the integrity of specific information may be applied.

Thereafter, when it is determined that there is an abnormality in the decoded first bid information based on the verification result of the content of the first bid information (for example, the first bid information input for the registered real estate auction and the When the contents included in the decrypted first bid information are different, or when a bidder enters a user input indicating that there is an error in the first bid information entered, etc.), the decrypted first bid information is selected as a successful bidder. Can be excluded from.

In various embodiments, when it is determined that there is an abnormality in the specific bidding information as described above, the computing device 100 processes a real estate auction determined to have an abnormality, and reruns the real estate auction under the same conditions and contents. You can register.

That is, for a specific real estate auction, if it is determined that specific bidding information has been damaged due to hacking or the like, it is highly likely that other bidding information other than the corresponding bidding information has also been damaged. In addition, despite the fact that the bid information entered by the user is damaged due to external manipulation regardless of his or her intention, it may be perceived that it is very unreasonable for the bidder to be excluded from the target of selecting a successful bidder. In consideration of this point, when it is determined that there is external intervention for a specific real estate auction, the computing device 100 processes the real estate auction itself, re-registers, and secures the re-registered real estate auction. You can set a higher setting (for example, changing the existing symmetric key encryption method to an asymmetric key encryption method).

In various embodiments, the computing device 100 provides a successful bidder with bid information that is not included within the range of a bid start time to a bid end time of the registered real estate auction, that is, bid information input after the bidding end time, for a registered real estate auction. It can be excluded from selection. For example, the computing device 100 uses a time stamp of the time at which the bid information is input among one or more decoded bidding information, from the bidding start time determined according to the system time of the blockchain network to the system time of the blockchain network. Decrypted bidding information not included within the bidding end time determined according to may be selected, and the selected decoded bidding information may be excluded from the target of selecting a successful bidder.

Here, the computing device 100 is described as determining whether the time at which the bidder inputs the bidding information is within the range of the real estate auction bidding start time to the bidding end time range, but is not limited thereto, and the computing device 100 Depending on whether the time when the bid information is encrypted and stored in the blockchain after the bidder enters the bid information, that is, the time when the transaction creation and registration is completed is within the range of the real estate auction's bidding start time or bidding end time. It is possible to determine whether or not the successful bidder is the subject of selection.

In various embodiments, the computing device 100 is a system aspect such as not entering bid information for a specific real estate auction, not accessing a page for entering bid information for a specific real estate auction, or not executing an application. If an error occurs, it can be compensated. For example, when a real estate auction does not proceed due to a system error as described above, the computing device 100 calculates a period in which the real estate auction was not conducted due to a system error, and automatically performs a real estate auction for the calculated period. The deadline for this can be extended.

At this time, when the period in which the real estate auction was not conducted due to a system error includes the real estate auction start time or the auction end time, the computing device 100 deletes the real estate auction and automatically executes the real estate auction with the same contents. You can re-register with

In various embodiments, the computing device 100 is a terminal of a plurality of bidders inputting bid information in a previously registered real estate auction when a specific real estate auction is re-registered due to damage to bid information, system error, etc. It is possible to provide guide information for guiding that the real estate auction in which each of the bidders participated is re-registered due to a specific reason, and for guiding the re-registered real estate auction to input bidding information again.

At this time, the computing device 100 provides guidance information to a plurality of bidders who have entered the bid information in the previously registered real estate auction, but if the bid information is not re-entered from some bidders, the newly registered real estate auction Guidance information can be continuously retransmitted at regular intervals before the bidding end time.

In various embodiments, the computing device 100 selects a successful bidder according to one or more decoded bidding information and a preset successful bidder selection method, but according to a previously set successful bidder selection method among a plurality of bidders bidding for a registered real estate auction. When there is no target to be selected, that is, when a successful bidder is not selected, registered real estate auctions are processed for auction, and the auctioned real estate auction can be automatically re-registered.

For example, the computing device 100 selects bidding information including the highest bid amount using one or more decoded bidding information, and selects a bidder who enters the selected bidding information as a successful bidder, and includes the selected bidding information. If the bid amount is less than the lowest price of the registered real estate auction, the registered real estate auction may be processed.

Thereafter, the computing device 100 automatically re-registers the real estate auction processed for sale as a new real estate auction according to preset conditions (eg, re-registration time of a real estate auction, auction start price, and lowest price). , You can register for a real estate auction with an amount lowered by 20% compared to the existing starting price and the lowest price. At this time, the re-registered real estate auction may be newly registered as a new real estate auction, and accordingly, a smart contract and an encryption key may be newly reissued.

Here, the preset conditions may be those previously set by the user who registered the auctioned real estate auction, but are not limited thereto, and the progress history of the real estate auction processed for the auction (for example, the number of bid information, the lowest price, the highest price, the average price, etc.) It may be calculated accordingly.

In various embodiments, in response to the end of the registered real estate auction, the computing device 100 may cancel the setting of access rights to the encryption key generated in response to the registered real estate auction. Thereafter, when the computing device 100 obtains a request for disclosure of a plurality of bid information input in the corresponding real estate auction from a plurality of bidders who bid for a registered real estate auction, the encryption key for which the access authority setting is canceled according to the disclosure request is obtained. Using the decryption of a plurality of bid information encrypted in response to a corresponding real estate auction, the plurality of decrypted bid information may be provided to the terminals of a plurality of bidders requesting the disclosure.

Through this, by providing the contents of the real estate auction bidding to the bidders bidding for a specific real estate auction, it is possible to transparently disclose the real estate auction bidding process and the successful bidder selection process. Here, the computing device 100 discloses a plurality of bid information for the first real estate auction only to bidders who have bid for the first real estate auction, but is not limited thereto. Hereinafter, a real estate auction procedure according to a non-face-to-face real estate auction service using a block chain provided by the computing device 100 will be described in more detail with reference to FIG. 6.

6 is a diagram illustrating a real estate auction procedure according to a non-face-to-face real estate auction service using a block chain provided by a server for providing a non-face-to-face real estate auction service using a block chain in various embodiments.

Referring to FIG. 6, in step S201, the computing device 100 may register a real estate auction. Here, the operation of registering the real estate auction may be implemented in the same or similar form as the operation of registering the real estate auction in step S110 of FIG. 3.

In step S202, the computing device 100 may generate and register a smart contract for the real estate auction registered in step S201.

In step S203, the computing device 100 may generate and issue an encryption key for the real estate auction registered in step S201.

Thereafter, the computing device 100 may compare the current time with the bidding start time of the registered real estate auction, and if the current time is equal to or greater than the bidding start time of the registered real estate auction, step S204 may be performed. Meanwhile, when the current time is less than the bidding start time of the registered real estate auction, the time may be continuously checked until the current time is equal to or greater than the bidding start time of the registered real estate auction.

In step S204, the computing device 100 may receive bid information for a registered real estate auction. Here, the operation of receiving the input of the bidding information for the real estate auction may be implemented in the same or similar form as the operation of receiving the input of the bidding information in step S130 of FIG. 3.

In step S205, the computing device 100 may encrypt the bidding information input in step S204.

In step S206, the computing device 100 may store encrypted bidding information. Here, the operation of encrypting the bid information and storing the encrypted bid information may be implemented in the same or similar form as the operation of encrypting and storing the bid information in step S140 of FIG. 3.

Thereafter, the computing device 100 may compare the current time with the bidding end time of the registered real estate auction, and if the current time is equal to or greater than the bidding end time of the registered real estate auction, step S207 may be performed. Meanwhile, if the current time is less than the bidding end time of the registered real estate auction, steps S204 to S206 may be repeatedly performed until the current time is equal to or greater than the bidding start end time of the registered real estate auction.

In step S207, the computing device 100 may pay a deposit for each of the plurality of bidders who have entered the bid information in the registered real estate auction.

Thereafter, the computing device 100 may compare the current time with a preset deposit deadline, and if the current time is greater than or equal to the preset deposit deadline, determine whether or not the deposit has been paid in full for each of the paid deposits. On the other hand, when the current time is less than the preset deposit deadline, the deposit payment operation may be continuously performed until the current time becomes more than the preset deposit deadline.

In step S208, the computing device 100 determines whether or not the deposit has been paid in full for each of the deposits paid in response to the current time being equal to or greater than the preset deposit deadline. I can do it.

In step S209, the computing device 100 determines whether or not the deposit has been paid in full for each of the deposits paid in response to the current time being equal to or greater than the preset deposit deadline. I can.

In step S210, the computing device 100 may decrypt the encrypted bidding information loaded in step S209. Here, the operation of decrypting the encrypted bid information may be implemented in the same or similar form as the operation of decrypting the encrypted bid information in step S160 of FIG. 3.

In step S211, the computing device 100 may select and announce a successful bidder according to the bidding information decoded in step S210 and a preset condition. For example, the computing device 100 may inform each terminal of a plurality of bidders who have entered the bid information in the corresponding real estate auction that the real estate auction has ended and may output a guidance message indicating whether or not a successful bidder has been selected. .

In step S212, the computing device 100 checks whether the key (encryption key) is disclosed for the registered real estate auction and, if the encryption key is not disclosed, discloses the encryption key (releasing the access authority setting of the encryption key). I can.

In step S213, the computing device 100 may process the registered real estate auction if there is no bidder meeting a preset condition for the registered real estate auction.

In step S214, when a successful bidder exists for the registered real estate auction, the computing device 100 may perform a document preparation operation related to the real estate auction.

In step S215, the computing device 100 may provide a payment process to a bidder selected as a successful bidder of the real estate auction to proceed with payment of the balance for the real estate auction.

Thereafter, the computing device 100 may compare the current time and the preset balance deadline time, and if the current time is greater than or equal to the preset balance deadline time, it may determine whether or not the balance has been paid in full. On the other hand, when the current time is less than the preset balance deadline, the balance payment operation may be continuously performed until the current time reaches the preset balance deadline or more.

In step S216, when it is determined that the balance has been paid in full from the bidder selected as the successful bidder of the registered real estate auction, the computing device 100 may select the final successful bidder for the real estate auction and terminate the real estate auction. .

In step S217, when it is determined that the balance has not been paid in full from the bidder selected as the successful bidder of the registered real estate auction, the computing device 100 may refund the balance paid from the successful bidder and process the successful bidder.

In step S218, the computing device 100, through step S217, meets the preset conditions for the registered real estate auction when the successful bidder is processed because the balance is not paid in full from the bidder selected as the successful bidder of the registered real estate auction. However, the next-ranking bidder, who was not selected as a successful bidder, can be selected as the successful bidder.

The method of providing a non-face-to-face real estate auction service using the above-described block chain has been described with reference to the flowchart shown in the drawings. For the sake of simplicity, the method of providing a non-face-to-face real estate auction service using a block chain has been described by showing a series of blocks, but the present invention is not limited to the order of the blocks, and some blocks are different from those shown and described in this specification. They may be performed in sequence or may be performed simultaneously. In addition, new blocks not described in the specification and drawings may be added, or some blocks may be deleted or changed. Hereinafter, a non-face-to-face real estate auction service UI using a block chain provided by the computing device 100 will be described with reference to FIGS. 7 to 10.

7 to 10 are diagrams illustrating a user interface (UI) provided by a non-face-to-face real estate auction service providing server using a block chain in various embodiments.

First, referring to FIG. 7, the computing device 100 may provide a non-face-to-face real estate auction service UI using a block chain.

The non-face-to-face real estate auction service UI using a blockchain can perform verification (eg, appraisal) for real estate through a real estate expert for a real estate auction requested for registration, and provide information on the verified real estate.

A non-face-to-face real estate auction service UI using a block chain can provide information on not only real estate auctions currently in progress, but also real estate auctions that have ended.

In addition, the non-face-to-face real estate auction service UI using a block chain provides a search function for a plurality of real estate auctions, and when more than one keyword is input from a bidder, a real estate auction corresponding to the keyword is provided or selected from the bidder. A list of real estate auctions corresponding to the category may be provided.

Next, referring to FIG. 8, a non-face-to-face real estate auction service UI using a block chain may divide and output a layout so that existing complex real estate auction information can be more easily grasped.

In other words, in the non-face-to-face real estate auction service UI using a block chain, by placing more essential information on real estate on the top, it is possible for bidders to obtain real estate information more easily and quickly, and additional information is provided according to the user's choice. It can be provided selectively.

In addition, a non-face-to-face real estate auction service UI using a block chain may provide a bidding function for a specific real estate auction, allowing a bidder to input bidding information for a specific real estate auction.

Unlike general offline real estate auctions, the non-face-to-face real estate auction service UI using a blockchain automatically enters real estate information according to the user's input to select a specific real estate auction among a plurality of real estate auctions included in the real estate auction list, and is essential. By minimizing the information, it is possible to prevent an error from occurring in the process of inputting real estate information by the user, and to participate in the bidding more easily and quickly.

Next, referring to FIG. 9, the UI for a non-face-to-face real estate auction service using a block chain may transparently disclose the details of successful bids for the real estate auctions and the details of auctions after a specific real estate auction is terminated.

For example, the UI for a non-face-to-face real estate auction service using a blockchain provides information on the successful bidder for a specific real estate auction, information on the amount of the successful bid, in response to obtaining a request for disclosure of the successful bid from the user, as well as the total bids participating in a specific real estate auction. You can provide information.

In addition, the non-face-to-face real estate auction service UI using a block chain can provide information on the reason for the bidding information entered in a specific real estate auction and the reason for each bidding information in response to obtaining a request for disclosure of the bidding details from the user. have.

Next, referring to FIG. 10, a non-face-to-face real estate auction service UI using a block chain may provide a verification function for a specific real estate auction.

For example, a non-face-to-face real estate auction service UI using a block chain can output the verification results for the bid number, successful bidder, and successful bid amount for a specific real estate auction. By displaying (eg, outputting in a different color as shown in FIG. 10), it is possible for a bidder to more easily grasp the verification content.

Here, the non-face-to-face real estate auction service UI using a block chain in FIGS. 7 to 10 is shown to be provided to a mobile device such as a smartphone, but this is only an example and is not limited thereto, and includes a display such as a PC. It can be provided to various devices according to the environment of various devices.

In the above, embodiments of the present invention have been described with reference to the accompanying drawings, but those skilled in the art to which the present invention pertains can be implemented in other specific forms without changing the technical spirit or essential features. You will be able to understand. Therefore, the embodiments described above are illustrative in all respects, and should be understood as non-limiting.

100: Real estate auction service providing server (computing device)
200: user terminal
300: external server
400: network

Claims (12)

In the method of providing a non-face-to-face real estate auction service using a block chain performed by a computing device,
Registering a real estate auction;
Receiving one or more bid information for the registered real estate auction;
Encrypting the input one or more bid information;
Storing the encrypted one or more bid information using a block chain;
Decrypting the encrypted one or more bid information stored in the block chain in response to the end of the registered real estate auction; And
Including the step of selecting a successful bidder for the registered real estate auction using the at least one decoded bidding information,
The step of selecting the successful bidder,
The successful bidder is selected according to the decoded one or more bidding information and a previously set successful bidder selection method, and it is determined whether there is an abnormality in each of the decoded one or more bid information, and the decoded bid information determined to have the abnormality Excluding the successful bidder from the selection target; And
The number of decoded bid information determined to have the abnormality among the decoded one or more bid information exceeds a preset value, or the degree of forgery or alteration of the decoded bid information determined to have the abnormality exceeds a preset degree If so, including the step of canceling the registered real estate auction,
The step of excluding,
Comparing a time at which the first decrypted bidding information is input and a time at which the first decrypted bidding information is encrypted with respect to the first decrypted bidding information;
Verifying contents of the first decrypted bid information when a difference between the time when the first decrypted bid information is encrypted and the time at which the first decrypted bid information is input exceeds a preset reference time; And
If it is determined that there is an abnormality in the first decoded bidding information based on a verification result of the content of the first decoded bidding information, including the step of excluding the first decoded bidding information from the target of selecting the successful bidder. ,
A method of providing a non-face-to-face real estate auction service using a blockchain. The method of claim 1,
The step of selecting the successful bidder,
In response to the end of the registered real estate auction, releasing an access authority setting for the encryption key generated in response to the registered real estate auction; And
When a request for disclosure of a plurality of bid information entered in the registered real estate auction is obtained from a plurality of bidders, a plurality of pre-encrypted bid information is decrypted using an encryption key for which the access authority setting has been released according to the disclosure request. Including the step of providing to the terminal of the plurality of bidders,
A method of providing a non-face-to-face real estate auction service using a blockchain. delete The method of claim 1,
The step of registering the real estate auction,
Comprising the step of automatically generating and registering a smart contract (Smart Contract) including the start time and end time for the registered real estate auction,
A method of providing a non-face-to-face real estate auction service using a blockchain. In the method of providing a non-face-to-face real estate auction service using a block chain performed by a computing device,
Registering a real estate auction;
Receiving one or more bid information for the registered real estate auction;
Encrypting the input one or more bid information;
Storing the encrypted one or more bid information using a block chain;
Decrypting the encrypted one or more bid information stored in the block chain in response to the end of the registered real estate auction; And
Including the step of selecting a successful bidder for the registered real estate auction using the at least one decoded bidding information,
The step of registering the real estate auction,
And generating an encryption key in response to the registered real estate auction,
The step of encrypting,
The first real estate auction is encrypted using a first encryption key generated in response to the first real estate auction, and the second real estate auction is encrypted using a second encryption key generated in response to the second real estate auction. Including the step of encrypting the bidding information on,
The decoding step,
Decrypting bid information on the encrypted first real estate auction using the first encryption key, and decrypting bid information on the encrypted second real estate auction using the second encryption key,
Generating the encryption key,
Storing the generated encryption key in a second storage space,
The step of encrypting,
The input one or more bid information is transmitted from the first storage space to the second storage space, the inputted one or more bid information is encrypted using the encryption key stored in the second storage space, and the encrypted one Transferring the above bid information from the second storage space to the first storage space,
The decoding step,
The encrypted one or more bid information is transmitted from the first storage space to the second storage space, and the encrypted one or more bid information is decrypted using the encryption key stored in the second storage space, and the decrypted one Transferring the above bid information from the second storage space to the first storage space,
The computing device includes a main server and a secondary server,
The step of encrypting,
The plurality of bid information input to the registered real estate auction is encrypted using an encryption key stored in the second storage space of the main server, and the number of bid information input per unit time for the registered real estate auction is set to a first reference value. If it exceeds, the step of encrypting a plurality of bid information input to the registered real estate auction by using the encryption key stored in the second storage space of the main server and the encryption key stored in the second storage space of the auxiliary server. Includes,
The decoding step,
As the registered real estate auction ends, the encrypted plurality of bid information is decrypted using an encryption key stored in the second storage space of the main server, but when the number of bid information to be decrypted exceeds a second reference value, the Decrypting the plurality of encrypted bid information using an encryption key stored in a second storage space of the main server and an encryption key stored in a second storage space of the auxiliary server,
A method of providing a non-face-to-face real estate auction service using a blockchain. delete delete In the method of providing a non-face-to-face real estate auction service using a block chain performed by a computing device,
Registering a real estate auction;
Receiving one or more bid information for the registered real estate auction;
Encrypting the input one or more bid information;
Storing the encrypted one or more bid information using a block chain;
Decrypting the encrypted one or more bid information stored in the block chain in response to the end of the registered real estate auction; And
Including the step of selecting a successful bidder for the registered real estate auction using the at least one decoded bidding information,
The step of registering the real estate auction,
And generating an encryption key in response to the registered real estate auction,
The step of encrypting,
The first real estate auction is encrypted using a first encryption key generated in response to the first real estate auction, and the second real estate auction is encrypted using a second encryption key generated in response to the second real estate auction. Including the step of encrypting the bidding information on,
The decoding step,
Decrypting bid information on the encrypted first real estate auction using the first encryption key, and decrypting bid information on the encrypted second real estate auction using the second encryption key,
Generating the encryption key,
Storing the generated encryption key in a second storage space,
The step of encrypting,
The input one or more bid information is transmitted from the first storage space to the second storage space, the inputted one or more bid information is encrypted using the encryption key stored in the second storage space, and the encrypted one Transferring the above bid information from the second storage space to the first storage space,
The decoding step,
The encrypted one or more bid information is transmitted from the first storage space to the second storage space, and the encrypted one or more bid information is decrypted using the encryption key stored in the second storage space, and the decrypted one Transferring the above bid information from the second storage space to the first storage space,
The step of encrypting,
When the number of bid information input per unit time for the registered real estate auction exceeds the reference value, a plurality of bid information input for the registered real estate auction is grouped by a preset number, and the grouped bid information is encrypted. Including the step of,
A method of providing a non-face-to-face real estate auction service using a blockchain. delete delete delete The method of claim 1,
Determining a bidding start time and a bidding end time for the registered real estate auction based on the system time of the blockchain network; And
Further comprising the step of providing information on the determined bid start time and the determined bid end time,
The step of selecting the successful bidder,
Selecting decoded bid information that is not included within the determined bid end time from the determined bid start time from the determined bid start time using a time stamp relating to a time at which the bid information is input among the decoded one or more bid information, and the selected decoded bid information Including the step of excluding from the target of selection of a successful bidder,
A method of providing a non-face-to-face real estate auction service using a blockchain.

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