KR20190127270A - Auction confidence system using blockchain - Google Patents

Abstract

The present invention relates to a reliable auction system for guaranteeing the reliability for auction of primary products such as agricultural products and marine products. The reliable auction system for guaranteeing the reliability for auction of primary products comprises: an auction performing module performing an online auction for the primary products and generating an auction transaction including auction data in a blockchain network when the auction is achieved; and a blockchain network verifying the auction transaction and creating a novel block including the auction transaction and connecting the novel block to an existing block when the verification of the auction transaction is succeeded.

Description

Auction confidence system using blockchain}

The present invention relates to an auction trust system, and more particularly, to an auction trust system that ensures the trust in the auction of primary commodities such as agricultural products, marine products.

Auctions for off-line agricultural and aquatic products are carried out through an auction company. Specifically, the auction company informs the merchants (eg, wholesalers) gathered at a certain place of the quantity and minimum price of agricultural and marine products registered in the auction, and the merchants are determined as the successful bidders who presented the highest bid among the bids.

In this off-line auction scheme, a technology for an online auction system has been disclosed. The following patent document discloses an auction and logistics transportation management system of the primary industrial products based on the Internet.

However, such an online auction system has a problem that it is difficult to secure transparency of the auction transaction. For example, a shipper (i.e. a seller) may ship agricultural products that are completely different from the online image, and even a small business may not keep the promises negotiated with the shipper in advance.

Therefore, it is necessary to build a system that ensures reliability and transparency in the online auction system.

Korean Unexamined Patent Publication No. 10-2002-0005549 (published Jan. 17, 2002)

The present invention has been proposed to solve such a conventional problem, auction trust that improves the transparency and reliability of the online auction of the primary commodity, by recording a transaction containing evaluation of each auction of the shipper and small business in the blockchain The purpose is to provide a system.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by the embodiments of the present invention. Also, it will be readily appreciated that the objects and advantages of the present invention may be realized by the means and combinations thereof indicated in the claims.

In order to achieve the above object, according to the present invention, the auction trust system that guarantees the reliability of the auction of the primary product, the online auction for the primary product, if the auction is closed, block the auction transaction containing the auction data An auction performing module generated in the network; And a blockchain network that verifies the auction transaction and, upon successful verification of the auction transaction, generates a new block including the auction transaction and connects the new block to an existing block.

The auction trust system may further include an evaluation management module for requesting a successful bidder for evaluation of the shipper of the primary product. In this case, the blockchain network may generate a new block including an evaluation transaction in which the shipper's evaluation score is recorded, and connect the new block with the existing block to store in the blockchain.

In addition, the evaluation management module may request a shipper to evaluate a small business that has been auctioned in the primary product. In addition, the blockchain network may generate a new block including an evaluation transaction in which the evaluation score of the small business is recorded, and connect the new block with an existing block to store in the blockchain.

The auction trust system, credit evaluation module for acquiring an evaluation score of each small business in the blockchain network, calculating the average of this evaluation score for each small business, and then setting the credit rating for each small business based on the evaluation score calculated as the average It may further include.

The auction trust system may further include a payment module that processes payment of a successful bid price for the primary product using a virtual currency. In addition, the blockchain network generates a new block including a transaction transaction in which the virtual currency corresponding to the winning bid amount is transferred from the successful bidder's virtual currency account to the shipper's virtual currency account, and the new block is compared with the existing block. Can be connected and stored on the blockchain.

The present invention has the advantage of securing transparency of the auction by preventing a forgery of the auction transaction record and evaluation by storing a block in which the auction information or the auction evaluation performed between the shipper and the small business is recorded as a transaction in the blockchain.

In addition, the present invention has the advantage that the evaluation is made between the shipper and the small business, and the evaluation score is recorded on the blockchain for the auction, thereby ensuring the reliability in the online auction.

In addition, the present invention also has the advantage of activating the virtual currency, by inducing the auction of the primary product through the virtual currency.

The following drawings attached to this specification are illustrative of the preferred embodiments of the present invention, and together with the specific details for carrying out the invention serve to further understand the technical spirit of the present invention, the present invention described in such drawings It should not be construed as limited to matters.
1 is a diagram illustrating an auction trust system using a blockchain according to an embodiment of the present invention.
2 is a diagram illustrating a block structure and a block chain according to an embodiment of the present invention.
3 is a diagram illustrating a configuration of an online auction system according to an embodiment of the present invention.
4 is a flowchart illustrating a method of performing an online auction in an online auction system according to an embodiment of the present invention.
5 is a flowchart illustrating a method of requesting an evaluation score in an online auction system and storing an evaluation transaction in a blockchain according to an embodiment of the present invention.
6 is a flowchart illustrating a method of processing a payment of a bid price in an online auction system according to an embodiment of the present invention.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings, whereby those skilled in the art may easily implement the technical idea of the present invention. There will be. In addition, in describing the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating an auction trust system using a blockchain according to an embodiment of the present invention.

As shown in FIG. 1, the auction trust system according to an embodiment of the present invention includes a shipper terminal 110, a small business terminal 120, a carrier server 200, a blockchain network 500, and an online auction system. Including 300, each terminal and servers communicate with each other via a network 400. The network 400 includes a mobile communication network and a wired internet network and corresponds to the conventional technology in the present invention.

Each of the small business terminal 120 and the shipper terminal 110 is equipped with a dedicated application for an online auction, and can participate in the online auction using this application. In addition, each of the small-business terminal 120 and the shipper terminal 110 is equipped with an electronic wallet, generates a virtual currency account (that is, the electronic wallet address) through the electronic wallet, and broadcasts the virtual currency account. .

Shipper terminal 110 is a terminal owned by the shipment of the primary product, such as farmers, aquaculture farmers selling the primary product, smart phones, personal computers and the like can be used. The primary product means an unprocessed product such as agricultural products, aquatic products, fruits and vegetables, forest products, flowers and the like.

The shipper terminal 110 transmits an auction request message including the type of the primary product to be sold, the sales amount of the primary product, and the lowest price to the online auction system 300 to send the auction for the primary product to be sold to the system. Register.

The small business terminal 120 is a terminal owned by a small business for winning a primary product, and a smartphone, a personal computer, or the like may be used. The small-business terminal 120 may receive information on the primary product registered in the auction from the online auction system 300, and try to bid based on the received information to participate in the auction. In this case, the small-business terminal 120 may participate in the bid using virtual currency, or may participate in the bid using real currency (ie, general currency). The cryptocurrency may be a virtual currency (for example, Bitcoin, Ethereum) that is currently used for trading, or may be a dedicated cryptocurrency used only in an online auction according to the present invention.

When the auctioner is completed, the shipper terminal 110 may perform an auction evaluation. In addition, when the auction is completed, the terminal 129 of the small business may also evaluate the auction. Data related to the auction evaluation is stored in the blockchain.

Each of the shipper terminal 110 and the small business terminal 120 stores a private key, but does not disclose the private key, and each of the shipper terminal 110 and the small business terminal 120 uses a public key. Share with node or server. The shipper terminal 110 and the small business terminal 120 may be one node of the blockchain network 500.

Carrier server 200 is a server that assigns the carrier of the primary goods, and manages the history of the transportation of the primary goods.

The online auction system 300 is a system supporting an online auction service for primary goods. The online auction system 300 generates a transaction, generates a new block in the blockchain, and obtains data from the blockchain. The online auction system 300 also has a dedicated private key and discloses its public key to the outside.

The blockchain network 500 is connected to a plurality of nodes 510 -N, and performs verification of a transaction. In addition, each of the nodes 510 -N belonging to the blockchain network 500 performs a verification on the transaction when a transaction occurs. In addition, each of the nodes 510 -N included in the blockchain network 500 shares a blockchain in which a transaction is recorded and has a connection structure between blocks. The transaction occurs when an evaluation of an auction is performed, a transaction of a cryptocurrency is made, or a new cryptocurrency is issued.

Each node 510 -N is a computing device owned or installed at an affiliated store, and may verify a transaction between nodes 510 -N and newly issue a virtual currency through block generation.

2 is a diagram illustrating a block structure and a block chain according to an embodiment of the present invention.

Referring to FIG. 2A, a block 20 is composed of a block header 21 and transaction data 22.

The block header 21 includes the block size, version, previous block hash, markleot, timestamp, difficulty target, and nonnce. The block size represents the size of the block, the version represents a version of the structure of the block data, and the previous block hash represents a hash reference value for the previous block (ie, the parent block) in the blockchain structure.

The Merkle root is a hash of the Merkle tree root generated from the transactions contained in the block. The time stamp records the generation time of the block. Difficulty target represents the difficulty target for the proof-of-work algorithm of the block. The nonce is an arbitrary value used in the proof-of-work algorithm.

Transaction data 22 includes a transaction count and a transaction. The transaction count indicates the number of transactions included in the block.

The transaction records the transaction history of the cryptocurrency, or one or more of auction data and valuation data.

The auction data includes auction name, auction amount, successful bid price, respective bid price, minimum bid price, auction identification information (ie, auction number), shipper information and successful bidder information. In addition, the evaluation data includes the shipper's evaluation score (or, the evaluation score for the successful bidder), the posts and comments on the auction and auction identification information (ie, auction number).

FIG. 2B is a diagram illustrating a blockchain. Referring to FIG. 2B, an upper block is connected to a lower block. That is, the upper blocks are linked with reference to the hash of the lower block (that is, the parent block that is the previous block). According to this block connection structure, the intermediate block is prevented from being forged or changed. In addition, such blockchain is stored in each node 510-N.

3 is a diagram illustrating a configuration of an online auction system according to an embodiment of the present invention.

As shown in FIG. 3, the online auction system 300 according to an embodiment of the present invention includes a memory, a memory controller, one or more processors (CPUs), a peripheral interface, an input / output (I / O) subsystem, a display device, It may include an input device and a communication circuit.

The memory may include fast random access memory, and may also include one or more magnetic disk storage devices, nonvolatile memory such as flash memory devices, or other nonvolatile semiconductor memory devices. Access to memory by other components such as processors and peripheral interfaces may be controlled by the memory controller. The memory may store various information and program instructions, and the program is executed by the processor.

The peripheral interface connects the input / output peripheral of the online auction system 300 with a processor and a memory. One or more processors execute various instruction sets stored in various software programs and / or memories to perform various functions and process data for the online auction system 300. I / O subsystems provide an interface between input and output peripherals, such as display devices and input devices, and peripheral interfaces. The display device may use liquid crystal display (LCD) technology or light emitting polymer display (LPD) technology.

The processor is a processor configured to perform operations associated with the online auction system 300 and to perform instructions, for example, using instructions retrieved from memory to receive input and output data between components of the online auction system 300. Operation can be controlled. The communication circuit performs communication via an external port or communication by an RF signal. The communication circuit converts an electrical signal into an RF signal and vice versa and can communicate with the communication network, other mobile gateway devices and communication devices through the RF signal.

Referring to FIG. 3, the online auction system 300 includes an auction performance module 310, a payment module 320, an evaluation management module 330, and a credit evaluation module 340, which components may be in a program form. It may be implemented, stored in memory, executed by a processor, or implemented through a combination of hardware and software.

The auction execution module 310 receives auction goods from the shipper terminal 110, receives bid information from the small business terminal 120, and finally selects a successful bidder. When the auction product module 310 is registered, the auction product, the auction product, auction registration information including the quantity and the lowest price of the auction product, and the product image is provided to the small business terminal 120. At this time, the auction performing module 310 may receive the auction registration information from the small business terminal 120 using a push message. In addition, the auction performing module 310 receives the bidding information including the bid price from the small business 120. The auction execution module 310 analyzes the bidding information received from each of the small business terminal 120, selects the small business who presented the highest bid price as a successful bidder, bidder information 110, the bidder information 110 To provide. In addition, the auction performing module 310 includes auction name, auction amount, successful bid price, respective bid price, minimum bid price, auction identification information (ie, auction number), shipper information and successful bidder information. An auction transaction is generated in the blockchain network 500. At this time, the auction performing module 310 may electronically sign the auction transaction with the private key of the online auction system 300. The shipper information includes the shipper's identification information (eg, an ID or a mobile phone number), and likewise, the successful bidder information includes small business owner's identification information (eg, an ID or a mobile phone number).

The payment module 320 requests an online payment for a bid amount (that is, a successful bid amount) to the small business terminal 120 selected as a successful bidder, and based on the payment information received from the small business terminal 120, Perform an online payment. In this case, the payment module 320 may receive credit card information as payment information or may receive virtual currency information. When the payment module 320 receives credit card information, the payment module 320 may perform payment in connection with an external credit card server. In addition, the payment module 320 may receive virtual currency information as payment information, by inducing a transaction transaction to transfer some or all of the virtual currency held by the successful bidder to the shipper to the blockchain network 500. In addition, payment for the winning bid price can be performed. In this case, the transaction transaction may be electronically signed with the private key of the successful bidder.

In addition, the payment module 320 checks the credit rating of the successful bidder through the credit evaluation module 340, checks the credit transaction limit corresponding to this credit level, and then credits the transaction for the successful bid amount within the credit transaction limit. You can also do

When the auction is completed, the evaluation management module 330 requests an auction evaluation to each of the shipper terminal 110 and the terminal 120 of the small business owner selected as the successful bidder. According to an embodiment, the evaluation management module 330 may receive an evaluation score for the successful bidder from the shipper terminal 110 and generate an evaluation transaction including the evaluation score in the blockchain network 500. In addition, the evaluation management module 330 may receive a shipper's evaluation score from the small business terminal 120, and generate an evaluation transaction including the evaluation score in the blockchain network 500.

The credit evaluation module 340 obtains an evaluation score of each small business in the blockchain network 500, calculates an average of the evaluation scores for each small business, and sets a credit rating for each small business based on the averaged evaluation score. In another embodiment, the credit evaluation module 340 may include: an average transaction amount of a small business that occurs during a preset period (eg, the last three months), a time for paying a successful bid amount during the set period, an average number of closing transactions during the set period, The credit rating may be set for each small business by combining monthly average sales for the set period. Alternatively, the credit evaluation module 340 may set the credit rating of each small business by combining the evaluation score for each small business, the average transaction amount, the settlement time of the successful bid amount, the average number of successful transactions, the monthly average sales, and the like.

4 is a flowchart illustrating a method of performing an online auction in an online auction system according to an embodiment of the present invention.

Referring to FIG. 4, the shipper terminal 110 displays an auction request message including primary product description information, primary product image, minimum bid price, product origin address, shipper information, primary product quantity, and the like. (S401).

Then, the auction execution module 310 of the online auction system 300 may include the primary product description information, the primary product image, the lowest bid price, the primary product origin address, the shipper information, the primary product quantity, etc. included in the auction request message. Extract and register the auction information including these information (S403). At this time, the auction performing module 310 assigns unique identification information (ie, auction number) to the auction.

Next, the auction execution module 310 transmits a bid incentive message including the auction information and the auction identification information to a plurality of small business terminal 120 (S405), inducing small business people to participate in the auction bid. At this time, the auction execution module 310 may be transmitted in the form of a push message or SMS message to the bid incentive message.

The small-business terminal 120 receiving the bid incentive message transmits the bidding information including the bid amount to the online auction system 300 (S407). In this case, the small business terminal 120 may transmit payment information such as virtual currency, credit card, credit transaction, etc. to the online auction system 300.

Next, when a plurality of bidding information for the auction product is collected, the auction performing module 310 of the online auction system 300 compares the bidding amounts included in the plurality of bidding information and bidders with the highest bidding price. Determined as a successful bidder (S409).

Subsequently, the auction performing module 310 of the online auction system 300 transmits the bidding result to each bidder's communication terminal 120 after the successful bidder is determined, and also transmits the auctioning result to the shipper's terminal 110 ( S411). The auction result includes a bid amount presented by the successful bidder and successful bidder information (that is, the name, address, delivery address, etc. of the successful bidder).

On the other hand, as shown in the description with reference to Figure 6, the online auction system 300, if it is confirmed that the cost for the successful bid price, may request the shipping terminal 110 for the transportation of the primary product.

Then, the shipper requests the delivery of the corresponding primary goods by accessing the carrier server 200 through its communication terminal 110 (S413). In this case, the shipper terminal 110 may transmit the delivery request information including the shipping address, the shipping address, the quantity, and the like to the carrier server 200.

Then, the carrier server 200 assigns a carrier, and proceeds with the carriage of the primary goods for which the auction is completed (S415).

On the other hand, the auction performing module 310 of the online auction system 300, when the auction is completed, auction name, auction registration information, auction amount, successful bid price, each bid price, minimum bid price, auction identification information (that is, auction Number), shipper information, successful bidder information, and auction postings and comments (eg, inquiries, answers, etc.) to generate an auction transaction in the blockchain network 500 (S417). At this time, the auction performing module 310 electronically signs the auction transaction with the private key of the online auction system 300, and generates the electronic signature and the transaction together to the blockchain network 500.

Then, each of the nodes 510 -N included in the blockchain network 500 verifies the authenticity of the electronic signature (S419). At this time, each node 510-N obtains a result value by inputting original data (ie, a transaction) into a preset digital signature verification algorithm, and the result value matches the public key of the online auction system 300. The authenticity of the electronic signature can be verified by confirming whether or not. Subsequently, if each node 510-N succeeds in authenticating the electronic signature, the nodes 510-N generate a new block in which the auction transaction is included in the transaction data, and the new block connects to the existing block, thereby establishing the auction transaction. It is stored in the blockchain (S421). At this time, the nodes 510-N record the hash value of the previous block in the header of the new block hash, thereby connecting the new block and the previous block to expand the block chain, and include a version, a nonce, a difficulty target, a timestamp, Mercule and block size can be recorded in the header of the new block.

Through the above procedure, when the auction is completed, the auction name, auction registration information, auction amount, successful bid price, each bid price, minimum bid price, auction identification information (ie, auction number), auction posts and comments, shipper information And the successful bidder information is stored in the blockchain.

5 is a flowchart illustrating a method of requesting an evaluation score in an online auction system and storing an evaluation transaction in a blockchain according to an embodiment of the present invention.

Referring to FIG. 5, the evaluation management module 330 of the online auction system 300 may receive information indicating that the transportation of the auction product is completed from the terminal 120 of the small business or the carrier server 200 of the successful bidder. There is (S501).

Then, the evaluation management module 330 of the online auction system 300 requests the shipper terminal 110 for the evaluation of the small business owner who is the successful bidder (S503). In this case, the evaluation management module 330 may transmit a preset evaluation item to the shipper terminal 110. By using the evaluation item, the shipper may perform evaluation by item and input an evaluation post. The shipper terminal 110 displays the evaluation result including the evaluation score and the evaluation post for each item in the online auction system ( 300) (S505).

In addition, the evaluation management module 330 of the online auction system 300 requests the evaluation of the shipper to the terminal 120 of the small business, the successful bidder (S507). In this case, the evaluation management module 330 may transmit a predetermined evaluation item to the terminal 120 which is a small business. Using the evaluation item, the successful bidder may perform evaluation by item and input an evaluation post, and the successful bidder terminal 120 displays the evaluation result including the evaluation score and the evaluation post for each item in the online auction system 300. (S509).

When the evaluation management module 330 receives all the evaluation results including the shipper's evaluation score and the successful bidder's evaluation score, the shipper information and the successful bidder information, the shipper's evaluation score, the successful bidder's evaluation score, the evaluation post, the auction An evaluation transaction including an identification number is generated and generated in the blockchain network 500 (S511). The shipper information includes shipper identification information, and the successful bidder information includes successful bidder identification information. In this case, the evaluation management module 330 may electronically sign the evaluation transaction with the private key of the online auction system 300 and then transmit the electronic signature and evaluation transaction to the blockchain network 500.

Then, each node 510-N included in the blockchain network 500 verifies the authenticity of the electronic signature (S513). At this time, each node 510-N obtains a result value by inputting original data (ie, a transaction) into a preset digital signature verification algorithm, and the result value matches the public key of the online auction system 300. The authenticity of the electronic signature can be verified by confirming whether or not. Subsequently, if the nodes 510-N succeed in authenticity to the electronic signature, each node 510-N generates a new block containing the evaluation transaction, and the new block is connected to an existing block, thereby connecting the evaluation transaction to the blockchain. Save (S515). At this time, the nodes 510-N record the hash value of the previous block in the header of the new block hash, thereby connecting the new block and the previous block to expand the block chain, and include a version, a nonce, a difficulty target, a timestamp, Mercule and block size can be recorded in the header of the new block.

Meanwhile, the score for the successful bidder evaluated by the shipper terminal 110 may be stored directly in the blockchain without passing through the online auction system 300. In this case, when the shipper terminal 110 inputs the evaluation result of the successful bidder, the shipper terminal 110 obtains the successful bidder information and the auction identification information from the online auction system 300, and evaluates and evaluates the successful bidder of the successful bidder. An evaluation transaction containing posts, successful bidder information, auction identification information, and shipper information can be created and electronically signed with the shipper's private key. The shipper terminal 110 transmits the electronic signature and the evaluation transaction to the blockchain network 500, and each node of the blockchain network 500 includes the evaluation transaction when the electronic signature verification is successful. By creating a block and linking it with an existing block, the evaluation transaction can be stored in the blockchain.

In addition, the score for the shipper evaluated at the terminal 120 of the successful bidder may be stored directly in the blockchain without passing through the online auction system 300. In this case, when the evaluation result for the shipper is input from the terminal 120 of the small business, the small business terminal 120 obtains the shipper information and the auction identification information from the online auction system 300 and evaluates the shipper. An evaluation transaction including scores, evaluation posts, shipper information, auction identification information, and successful bidder information can be created and electronically signed with the successful bidder's private key. And the small-business terminal 120 transmits the electronic signature and evaluation transaction to the blockchain network 500, each node of the blockchain network 500, if the digital signature verification is successful, a new block including the evaluation transaction By creating a and linking with an existing block, the evaluation transaction can be stored in the blockchain.

Through the above-described procedure, when the transportation is completed, the shipper information, the successful bidder information, the shipper's evaluation score, the successful bidder's evaluation score, and the auction identification number are stored in the blockchain.

6 is a flowchart illustrating a method of processing a payment of a bid price in an online auction system according to an embodiment of the present invention.

Referring to FIG. 6, when the auction of the primary product is auctioned, the payment module 320 of the online auction system 300 checks the successful bid information, that is, the successful bidder and the successful bid price (ie, bid price of the successful bidder) (S601). . In addition, the payment module 320 confirms whether or not the payment means of the successful bidder is a virtual currency (S603).

Subsequently, when the payment method is a virtual currency, the payment module 320 of the online auction system 300 checks the virtual currency balance of the successful bidder through the blockchain network 500 (S605). At this time, the online auction system 300 checks the cryptocurrency account number of the successful bidder, requests the cryptocurrency balance corresponding to the cryptocurrency account number to the blockchain network 500, and the node of the blockchain network 500 The blockchain checks the virtual currency balance corresponding to the successful bidder's virtual currency account number and transmits it to the online auction system 300.

Next, the payment module 320 checks whether the balance of the virtual currency is greater than the bid amount of the successful bidder. In this case, the payment module 320 may compare the size between the virtual currency and the bid amount by converting the virtual currency into real money in conjunction with an external virtual currency trading system (not shown).

If the balance of the virtual currency is larger than the bid amount of the successful bidder, the payment module 320 performs the payment processing of the bid amount (that is, the successful bid amount) using the virtual currency (S607). At this time, the payment module 320 checks the virtual currency amount corresponding to the shipper's virtual currency account number and the successful bid amount, and transfers the virtual currency deposit corresponding to the amount to the successful bidder's terminal 120 using the virtual currency account number. request. Then, the successful bidder's terminal 120 generates a transaction transaction in which the virtual currency is transferred from the successful bidder's virtual currency account number to the shipper's virtual currency account number (that is, ownership of the virtual currency is transferred), and the transaction transaction is executed. Digitally sign with your private key. When a transaction transaction is generated in this way, each node of the blockchain network 500 verifies the authenticity of the electronic signature, and if successful, generates a new block including the transaction transaction, and creates a new block containing the existing block. Connect. Accordingly, the virtual currency corresponding to the winning bid amount is remitted to the shipper.

On the other hand, if the balance of the cryptocurrency is insufficient compared to the bid amount of the successful bidder, the payment module 320 notifies the successful bidder's terminal 120 that the bid price cannot be paid using the virtual currency, general currency or credit Induces payment using a card.

In addition, if the payment method is a credit card or general account transfer, the payment module 320 of the online auction system 300 interoperates with a banking server for general payment processing (ie, account transfer or credit) for a cost corresponding to a successful bid amount. Card payment) (S609).

Meanwhile, the payment module 320 may perform a credit transaction with respect to the successful bid amount. In this case, the payment module 320 checks the credit level of the successful bidder, checks the credit transaction limit according to the credit level, and allows the credit transaction to the successful bidder if the credit transaction limit is greater than the successful bid amount, and credit transaction. If the limit is less than the winning bid, no credit is allowed for the winning bidder.

As described above, the auction trust system according to the present invention, by storing the auction information or the evaluation of the auction carried out between the shipper and the small business in the blockchain, to prevent the forgery of the auction transaction record and evaluation to ensure transparency of the auction do.

While this specification contains many features, such features should not be construed as limiting the scope of the invention or the claims. Also, the features described in the individual embodiments herein can be implemented in combination in a single embodiment. Conversely, various features described in a single embodiment herein can be implemented individually in various embodiments or in combination as appropriate.

Although the operations are described in a particular order in the drawings, they should not be understood as being performed in a particular order as shown, or in a sequence of successive orders, or all described actions being performed to obtain a desired result. . Multitasking and parallel processing may be advantageous in certain circumstances. In addition, it should be understood that the division of various system components in the above-described embodiments does not require such division in all embodiments. The program components and systems described above may generally be packaged in a single software product or multiple software products.

The method of the present invention as described above may be implemented as a program and stored in a recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto-optical disk, etc.) in a computer-readable form. Since this process can be easily implemented by those skilled in the art will not be described in more detail.

The present invention described above is capable of various substitutions, modifications, and changes without departing from the technical spirit of the present invention for those skilled in the art to which the present invention pertains. It is not limited by the drawings.

110: shipper terminal
120: small business terminal
200: carrier server
300: Online Auction System
310: Auction Execution Module
320: payment module
330: evaluation management module
340: credit evaluation module
400: network
500: blockchain network
510: node

Claims (6)

An auction trust system that guarantees reliability of the auction of a primary product,
An auction performing module for performing an online auction on the primary product and generating an auction transaction including the auction data in the blockchain network when the auction is closed; And
And a blockchain network that verifies the auction transaction and, upon successful verification of the auction transaction, generates a new block including the auction transaction and connects the new block to an existing block. The method of claim 1,
An evaluation management module for requesting a successful bidder for evaluation of the shipper of the primary product;
And the blockchain network generates a new block including an evaluation transaction in which the shipper's evaluation score is recorded, and stores the new block in the blockchain in connection with the existing block. The method of claim 1,
An evaluation management module for requesting a shipper for an evaluation of the small business that has been won at the auction of the primary product;
The blockchain network, the auction trust system, characterized in that for generating a new block including an evaluation transaction in which the evaluation score of the small business is recorded, the new block is connected to the existing block and stored in the blockchain. The method of claim 3,
A credit evaluation module for acquiring an evaluation score of each small business in the blockchain network, calculating the average of this evaluation score for each small business, and then setting a credit level for each small business based on the average of the evaluation scores; Featuring auction trust system. The method according to any one of claims 1 to 4,
And a payment module for processing payment using a virtual currency for the auction price for the primary product.
The blockchain network generates a new block including a transaction transaction in which the virtual currency corresponding to the winning bid amount is transferred from the successful bidder's virtual currency account to the shipper's virtual currency account, and connects the new block with the existing block. Auction trust system, characterized in that stored in the blockchain. The method according to any one of claims 1 to 4,
The auction data,
An auction trust system comprising at least one of auction name, auction registration information, auction amount, successful bid price, each bid price, minimum bid price, auction identification information, shipper information, successful bidder information, auction post.

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