KR20190123545A - Device and system for providing electronic commerce service based on blockchain network - Google Patents

Abstract

Disclosed is a server device. According to one embodiment of the present invention, the server device includes a communication circuit for communicating with a terminal device and blockchain network, a memory including instructions, and a processor. The processor may be set to receive first information related to a user of the terminal device from the terminal device, store the received first information in the memory, obtain at least one transaction stored by being associated with at least part of the first information on the blockchain network from the blockchain network, and transmit at least part of the information included in the transaction to the terminal device. In addition, various embodiments identified through the specification are possible.

Description

DEVICE AND SYSTEM FOR PROVIDING ELECTRONIC COMMERCE SERVICE BASED ON BLOCKCHAIN NETWORK}

Embodiments disclosed in this document relate to a blockchain network-based electronic commerce system.

The product can be delivered from the place of origin to the end buyer through various distribution channels. During various distribution channels, distribution costs can raise the consumer price of the product, or cause some distribution history to be missing or manipulated. Therefore, there is a need for a product distribution method that reduces the distribution channel and enhances security of distribution history.

The blockchain network may include data distribution storage in the form of blockchain. The data stored on the blockchain is transparent to everyone and virtually impossible to manipulate. By recording the distribution history on the blockchain, a distribution history that anyone can view can be generated. In addition, by storing the distribution record of the product in the blockchain, an inoperable distribution history can be generated.

Various embodiments disclosed herein provide an apparatus and a system for providing an e-commerce service based on a blockchain network.

According to an embodiment of the present disclosure, a server device includes a communication circuit for communicating with a terminal device and a blockchain network, a memory including instructions, and a processor, wherein the processor is a user of the terminal device from the terminal device. Receive first information associated with the data, store the received first information in the memory, and obtain from the blockchain network at least one transaction stored in association with at least a portion of the first information on the blockchain network. And transmit at least a part of the information included in the at least one transaction to the terminal device.

In addition, a system connected to operate with a blockchain network according to an embodiment of the present disclosure and providing an e-commerce service includes a memory device and a processing device operably connected to the memory device. The processing device receives at least one transaction associated with the e-commerce service from a terminal device, processes the at least one transaction when data is included in an essential item of the received at least one transaction, and the memory device. It can be set to save to.

The apparatus and system according to the embodiments disclosed in the present document can guarantee the invariance of information and distribution history about the products stored in the blockchain network.

The apparatus and system according to the embodiments disclosed in this document can reduce the distribution step between the producer and the end consumer by using the information stored in the blockchain network.

In addition, various effects may be provided that are directly or indirectly identified through this document.

1 illustrates an operating environment of a system for providing a blockchain network-based electronic commerce service according to an embodiment.
2 is a diagram illustrating a structure of a blockchain network according to various embodiments of the present disclosure.
3 is a block diagram of a terminal device and a server device according to an exemplary embodiment.
4 is a flowchart illustrating an operation on an e-commerce smart contract in which an e-commerce service is implemented, according to an embodiment. 5 is an example of a transaction defined through an e-commerce smart contract according to various embodiments of the present disclosure.
6 is a flowchart illustrating a blockchain-based e-commerce service according to an embodiment.
7 is an example of data associated with a user and a transaction history stored in a server device according to various embodiments of the present disclosure.
9 is an example of a user interface displayed on a terminal device according to various embodiments. In connection with the description of the drawings, the same or similar reference numerals may be used for the same or similar elements.

Hereinafter, various embodiments of the present invention will be described with reference to the accompanying drawings. However, it is not intended to limit the present invention to specific embodiments, but it should be understood to include various modifications, equivalents, and / or alternatives of the embodiments of the present invention.

1 illustrates an operating environment of a system for providing a blockchain network-based electronic commerce service according to an embodiment.

Referring to FIG. 1, a system 10 (hereinafter, referred to as a system 10) for providing a blockchain network-based electronic commerce service according to an embodiment is illustrated. The system 10 may include a terminal device 100, a blockchain network 200, and a server device 300.

In one embodiment, information about the product, the distribution history of the product may be recorded in the blockchain network 200. The producer of the product may upload information about the product to the blockchain network 200 through the terminal device 100. For example, detailed information about the product (eg, name, country of origin, etc.) and sales information about the product (eg, desired price for sale, etc.) may be uploaded. The distributor who receives the product from the producer may upload the distribution history (eg, purchase price, business name, purchase place, etc.) for the product to the blockchain network 200 through the terminal device 100. The purchaser may check information and distribution history of the products recorded in the blockchain network 200 through the terminal device 100. The purchaser can confirm the information and distribution history and carry out a transaction on the product.

In various embodiments, the e-commerce service may provide information about the product to producers, distributors, and end consumers, and may mediate transactions between producers, distributors, and end consumers.

2 is a diagram illustrating a structure of a blockchain network according to various embodiments of the present disclosure.

Referring to FIG. 2, the blockchain network 200 may be referred to as a peer to peer network including a plurality of computing devices 210 (peer or node) connected to each other via a network. The plurality of computing devices 210 may have one public ledger. The blockchain network 200 may be referred to as a distributed network in that one public ledger is generated by each of the plurality of computing devices 210. The one public ledger may be referred to as blockchain 220. In various embodiments, computing device 210 may be referred to as a memory device or a processing device. Alternatively, computing device 210 may be referred to as a device that includes a memory or a processor.

The blockchain network 100 may support smart contracts. The blockchain network 100 may process a transaction defined through a smart contract and record it in the blockchain 220. For example, the blockchain network 200 may drive a smart contract distributed in the blockchain network 200. The blockchain network 200 may process the transactions defined in the smart contract and record them in the blockchain 220. In various embodiments, the blockchain network 200 may be a public blockchain network (eg, an Ethereum blockchain network, a Qtum blockchain network) that provides a platform.

In an embodiment, the blockchain network 100 may distribute an e-commerce smart contract in which an e-commerce service is implemented. As the blockchain network 100 processes transactions implemented through an e-commerce smart contract, each block of the blockchain 220 includes information on the product, distribution history of the product, sales information of the product, purchase information of the product, and the product. Transaction information can be recorded. An example of transactions that may be defined through an e-commerce smart contract is described below with reference to FIG. 5.

The computing device 210 according to an embodiment may include a processor 210, a memory 220, and a communication interface 230. The processor 210 may control the overall operation of the exchange server 200. The processor 210 may include a transaction processing module 215. For example, the processor 210 may execute the instructions stored in the memory 140 to drive the transaction processing module 215. Operations performed by the transaction processing module 215 may be understood as operations performed by the processor 210. The computing device 210 may perform communication between the plurality of computing devices 210-1, 210-2 through 210-n included in the blockchain network 200 through the communication interface 230. The processor 210 of the computing device 210 may process the generated transaction and store it in the blockchain.

3 is a block diagram of a terminal device and a server device according to an exemplary embodiment.

In an embodiment, the terminal device 100 may include an electronic device such as a smartphone, a desktop PC, a tablet PC, a slate PC, a notebook computer, and the like. The terminal device 100 may be referred to as an electronic device of a user including a producer, a buyer, and a distributor.

The terminal device 100 may include a processor 110, a memory 120, and a communication circuit 130. The processor 110 may control overall operations of the terminal device 100. Operations of the terminal device 100 to be described below may be performed by the processor 110 or by the memory 120 and the communication circuit 130 controlled by the processor 100. The processor 110 may include various processors such as an application processor, a microprocessor, a communication processor, and the like.

The memory 120 of the terminal device 100 may store the transaction program 122. The transaction program 122 may provide an e-commerce service. The transaction program 122 may include, for example, a user interface for uploading information associated with the product, sales information of the product, and purchase information of the product to the blockchain network 200. For example, the transaction program 122 may include an interface for connecting to the server device 400 and transmitting and receiving data with the server device 300. The terminal device 100 may display a user interface on the display 140 as the transaction program 122 is executed.

The terminal device 100 may communicate with the blockchain network 200 and the server device 300 through the communication circuit 130. For example, the terminal device 100 may transmit data associated with a user input obtained when the transaction program 122 is executed to the blockchain network 200.

In one embodiment, the server device 300 may include a processor 310, a memory 320, and a communication circuit 330. The server device 300 may obtain user information necessary to provide an e-commerce service. The user information may include, for example, personal information about the producer and the buyer (distributor) using the e-commerce service. The server device 300 may allow the transactions guaranteed through the blockchain network 200 to be simultaneously performed offline using the user information.

For example, the server device 300 may notify the individual of the user in the form of an email or sms using the user information. In addition, it is possible to provide an escrow service for the goods traded through the e-commerce service. A detailed operation of the server will be described later with reference to FIG. 6.

According to various embodiments of the present disclosure, the system 10 including the blockchain network 100, the terminal device 200, and the server device 300 may provide an e-commerce service for various products such as agriculture, aquatic products, and general merchandise. . Hereinafter, the e-commerce service of the seafood can be described as an example.

4 is a flowchart illustrating an operation on an e-commerce smart contract in which an e-commerce service is implemented, according to an embodiment. 5 is an example of a transaction defined through an e-commerce smart contract according to various embodiments of the present disclosure.

Hereinafter, an embodiment of an operation on an e-commerce smart contract through the system 10 will be described with reference to FIGS. 4 and 5. The system 10 may include a producer terminal 101 and a purchaser terminal 103. The producer terminal 101 and the purchaser terminal 103 may be referred to as the terminal device 100 of FIG. 3. The producer terminal 101 may be understood, for example, as a terminal device 100 operated by any one of the producers. The purchaser terminal 103 may be referred to, for example, as a terminal device 100 operated by any one of the users. All users using the e-commerce service may be buyers or sellers, and all users may use the e-commerce service through the terminal device 100 owned by each user.

In one embodiment, the blockchain network 200 may drive an e-commerce smart contract distributed on the blockchain network 200. The system 10 may provide a commerce smart contract in which an e-commerce service is implemented.

Referring to FIG. 5, in one embodiment, the commerce smart contract includes a sales order transaction 511, a purchase order transaction 515, a transaction transaction 519, a sales order cancellation transaction 513, and a purchase order cancellation transaction 517. Can provide. The type of transaction described above is exemplary, and some of the transactions may be integrated into one transaction, or one transaction may be implemented by separating into several transactions.

In an embodiment, the producer terminal 101 may execute the transaction program 122 and receive sales order information. The producer terminal 101 may generate a sales order transaction 511 based on the input sales order information (401).

In one embodiment, the sales order transaction 511 may be digitally signed through a blockchain account (hereinafter referred to as a first account) used by a first user of the producer terminal 101. A transaction digitally signed with a first account may be understood as a transaction issued by a first user.

In one embodiment, the sales order information may include data needed to sell the product. For example, it may include producer ID, product ID, sale price of the product, and information associated with the product. When data necessary for sales is input, a sales order ID corresponding to the data may be generated.

The producer ID may be understood as an ID of a user registered on the e-commerce service. For example, the producer ID may be an ID of the first user. The product ID is a uniquely assigned ID according to the product type, and can be understood as a product that the seller wants to sell. The selling price of a product can be understood as the desired price at which the producer wants to sell the product. Information associated with the product may include the origin, weight, hazard information, and other characteristics of the product to be sold.

In various embodiments, a seafood sales order may include a producer ID, a seafood ID. It may include a price to sell the seafood, information associated with the seafood. For example, information related to aquatic products may include image data about the aquatic product, information about the origin of the aquatic product, nutrients (eg niacin, protein, glycogen, retonol, sugars, vitamins A, Ba, E, calcium, iron, Lipids, calum, folic acid, zinc, phosphorus), the presence of aquatic products and viruses and microorganisms, the concentration of heavy metals (eg, lead, mercury, etc.) contained in aquatic products, and the emission concentration of aquatic products.

In one embodiment, the generated sales order transaction may be sent to the blockchain network 200 (403). At least some of the input sales order information may be included in the sales order transaction 511. The blockchain network 200 may verify the received sales order transaction 511 and store it in the blockchain 220 (405).

For example, the blockchain network 200 may verify whether essential items of the sales order transaction 511 are included. At least some of the items included in the sales order transaction 511 may be defined as essential items necessary for selling the product. Essential items can be designed in advance through smart contracts in consideration of the characteristics of the product. The blockchain network 200 may not process the sales order transaction 511 when a description of essential items included in the sales order transaction 511 is missing.

When the producer terminal 101 recognizes that the transmitted sales order transaction 511 has failed, the producer terminal 101 may output a failure message for uploading the sales order. For example, the producer terminal 101 may receive a failure message of the sales order transaction 511 from the server device 300, and the producer terminal 101 may block using the transaction ID of the sales order transaction 511. It is possible to directly check whether the chain network 200 has failed.

The blockchain network 200 may store the sales order transaction 511 in the blockchain when all necessary items included in the sales order transaction 511 are described. For example, transactions processed in block 501 (eg, block 152) of the blockchain may be sequentially stored.

In one embodiment, the purchaser terminal 103 may execute the transaction program 122 and receive purchase order information. The purchaser terminal 103 may generate a purchase order transaction 515 based on the input purchase order information (407).

In one embodiment, the purchase order transaction 515 may be digitally signed through a blockchain account (hereinafter referred to as a second account) used by a second user of the purchaser terminal 103. The transaction digitally signed with the second account may be understood as a transaction generated by the second user of the purchaser terminal 103.

In one embodiment, the purchase order information may include data necessary to purchase a product. For example, it may include a buyer ID, a product ID, a purchase price of the product, and conditions associated with the product. When data necessary for purchase is input, a purchase order ID may be generated.

The purchaser ID may be understood as an ID of a user registered on the e-commerce service. For example, the producer ID may be an ID of the second user. The product ID can be understood as the product that the buyer wants to purchase. The purchase price of the product can be understood as the desired price at which the buyer wishes to purchase the product. The seafood purchase condition may be a fishery condition that the buyer wants to purchase. The aquatic product purchase conditions may include information on the country of origin of the seafood, the type and content of the nutrient components of the seafood, and harmful information of the seafood. The harmful information of the aquatic product may include, for example, whether the aquatic product is infected with viruses and microorganisms, the concentration of heavy metals contained in the aquatic product, and the radiation concentration of the aquatic product.

In one embodiment, the generated purchase order transaction may be sent to the blockchain network 200 (409). At least some of the input purchase order information may be included in the purchase order transaction 515. The blockchain network 200 may verify the received purchase order transaction 515 and store it in the blockchain 220 (409).

Like the sales order transaction 511, the blockchain network 200 may verify whether the required items included in the purchase order transaction 515 are included. At least some of the items included in the purchase order transaction 515 may be defined as necessary items necessary for purchasing a product. Essential items can be designed in advance through smart contracts in consideration of the characteristics of the product. The blockchain network 200 may determine whether all required items of the purchase order transaction 515 are described. The purchase order transaction 515 may be processed similarly to the purchase order transaction 511 described above.

In one embodiment, the blockchain network 200 may generate a transaction transaction 519 when the sales order transaction 511 and the purchase order transaction 515 match the blockchain 220. For example, if the product ID, sale price, and product association information of the sales order transaction 511 match the product ID, purchase price, and product association conditions of the purchase order transaction 515, the transaction transaction 519 is generated. Can be generated. The transaction transaction 519 may include a product ID, a transaction price (same as a sale price and a purchase price), and product related information. The e-commerce smart contract may be predesigned to generate a transaction transaction 519 if the sales order transaction 511 and the purchase order transaction 515 match. Thus, when a transaction between the producer and the buyer is established, the contents of the transaction may be automatically stored in the blockchain network 200.

When the transaction transaction 519 is generated, the sales order transaction 511 and the purchase order transaction 515 matched with each other may be a transaction completion process. The sales order transaction 511 and the purchase order transaction 515 matched with each other may not be used again in the creation of the transaction transaction 519. For example, the sales order transaction 511 and the purchase order transaction 515 matched with each other may be deleted on the blockchain network 200.

In one embodiment, the producer terminal 101 may generate a sales order cancellation transaction 513 that cancels the sales order transaction 511. The producer may cancel the sales order and re-create a new sales order if the user mistakenly inputs the sales order information by mistake or wants to modify a part of the sales order information. For example, the producer terminal 101 may generate a sales order cancellation transaction 513 including a sales order ID to be cancelled.

In one embodiment, the purchaser terminal 103 may generate a purchase order cancellation transaction 517 to cancel the purchase order transaction 515. The purchaser may cancel the purchase order and re-create a new purchase order if the user incorrectly inputs the purchase order information by mistake or wants to modify a part of the purchase order information. For example, the purchaser terminal 103 may generate a purchase order cancellation transaction 517 including a purchase order ID to be cancelled.

In various embodiments, as a transaction of a particular product is repeated along a distribution channel, a plurality of transaction transactions for a particular product may occur. The cumulative transaction transactions can reveal the distribution history for a particular product. The end consumer on the e-commerce service can purchase the product directly from the producer or distributor with reference to the product's information and distribution history.

6 is a flowchart illustrating a blockchain-based e-commerce service according to an embodiment. 7 is an example of data associated with a user and a transaction history stored in a server device according to various embodiments of the present disclosure.

6 and 7, the server device 300 included in the system 10 may supplement the e-commerce smart contract to provide an e-commerce service. The server device 300 may manage or store information (eg, personal information of a user) stored or not managed on the blockchain network 200, and use the information to allow an e-commerce service to be performed offline.

In an embodiment, the terminal device 100 may obtain an input for user information (601). For example, the terminal device 100 may execute the transaction program 122 and perform a subscription procedure for the e-commerce service provided through the transaction program 122. The server device 300 may receive user information (603) and store the received user information in the memory 320 (605). For example, the received user information may be stored in the user information database 322.

Referring to FIG. 7, the user information 701 may include a plurality of items. For example, the user information 701 may include a user ID, a blockchain account, a bank account, an address, and a phone number. The user ID may be a unique ID of a user subscribed to the e-commerce service. The blockchain account is an account registered on the blockchain network 200 and may be an account used by a user. The bank account may be an account issued by the user from the bank. The address and phone number may be the address and phone number of the user's home / office.

The blockchain network 200 stores only information about the account itself registered on the blockchain network 200, and does not store information about the user associated with the account. The server device 300 may map and store the blockchain account and other information about the user. The server device 300 may store various information of a user who uses a specific blockchain account.

In an embodiment, the server device 300 may acquire a transaction history of the e-commerce smart contract that occurred on the blockchain network 200 (607). The server device 300 may store transaction related information in the memory 320 based on the acquired transaction. For example, transactions may be stored in the transaction related information database 324.

According to various embodiments of the present disclosure, the server device 300 may use the user's blockchain account information to retrieve the digitally signed transactions with the specific user's blockchain account. The retrieved transaction details may be referred to as transaction details generated by the user. The server device 300 may map the obtained transaction details to user information and store the transaction details in the transaction related information database 324.

In an embodiment of the present disclosure, the terminal device 100 may transmit a request for transaction related information to the server device 300 (611), and the server device 300 may transmit the transaction related information to the terminal device in response to the request. 613 may be transmitted (613). The terminal device 100 may output the received transaction related information through an output device (eg, the display 140) (615).

According to various embodiments of the present disclosure, the server device 300 may acquire transactions of the e-commerce smart contract at predetermined intervals and store the obtained transactions in the memory 320. The server device 300 may access the blockchain network 200 when a request is received from the terminal device 100 and obtain a related transaction list. Alternatively, the server device 300 may be configured to acquire and store some transactions at predetermined intervals, and to obtain and provide some transactions to the terminal device 100 when a request occurs.

The server device 300 may process and edit information included in the transactions and store the information in the memory 320. Alternatively, the server device 300 may provide processed and edited information to the user terminal device 100.

Referring to FIG. 7, for example, the server device 300 may store information included in the sales order transaction 511 in the transaction related information database 324 in the form of a table 711. For example, the server device 300 may include the seller of the seafood by the sales order ID, the fish image uploaded by the seller, the type of the fish (the ID of the fish), other information (for example, the nutrition information of the fish, the harmful information of the fish), The sale price may be stored in the transaction related information database 324 in the form of a table. Alternatively, the server device 300 stores the purchase order transaction 511 itself in the memory 320, and when a sales list request is received from the terminal device 100, the server device 300 transmits information in the form of a table 711 to the terminal device 100. Can provide.

For example, the server device 300 may store the information included in the transaction transaction 519 in the transaction related information database 324 in the form of the table 713 and the table 715.

In various embodiments, the server device 300 may store the information included in the purchase order transaction 515 in the transaction related information database 324 in the form of a table 711. For example, the server device 300 may store the buyer of the seafood, the type of seafood, and other conditions for each purchase order ID in the transaction related information database 324 in the form of a table. Alternatively, the server device 300 stores the sales order transaction 515 itself in the memory 320, and when a purchase list request is received from the terminal device 100, provides the terminal device with information in the form of a table 711. can do.

According to various embodiments of the present disclosure, the server device 300 may store or provide transaction details for each user ID. For example, when a transaction history inquiry request is received from the terminal device 100 of user A, the server device 300 uses the transaction history information processed for each user ID, and the transaction history A-1 of user A, transaction history A. -2 may be provided to the terminal device 100 of the A user.

In various embodiments of the present disclosure, the server device 300 may store or provide transaction details for each seafood ID. For example, when a transaction history inquiry request for a specific fishery product is received from the terminal device 100, the server device 300 displays the transaction history of the specific fishery product using the transaction history information processed for each fishery ID. Can be provided as For example, when a transaction history inquiry request for aquatic products of ID-1 is received from the terminal device 100, the server device 300 may use the transaction history 1-1 and transaction history 1-2 of aquatic products of ID-1. It may be provided to the terminal device 100.

In various embodiments, the server device 300 may provide an escrow service for an e-commerce service. When the transaction transaction 519 occurs, the server device 300 may provide an escrow service such that a transaction generated through the transaction transaction 519 is completed offline.

In one embodiment, the server device 300 may use the information of the seller corresponding to the seller ID, the buyer information corresponding to the buyer ID. When the transaction transaction 519 occurs, the server device 300 may notify the seller and the buyer of the transaction transaction 519 that the transaction has been created. For example, the server device 300 may transmit information associated with a transaction to the seller terminal and the buyer terminal using the seller information and the buyer information.

The server device 300 may provide seller information and transaction price information to the purchaser terminal in order to provide an escrow service. Seller information may include seller's personal information (eg, seller's address, phone number, email). In addition, the seller information may include payment means information provided by the seller. For example, the payment method information may include bank account information of the seller and card company information allowing payment. The server device 300 may provide buyer information (eg, buyer address information) to the seller terminal. Buyer information may include buyer's personal information (eg, buyer's address, phone number, email).

The server device 300 may be implemented to include, for example, a known escrow service module. The purchaser can pay for the product through the escrow service module based on the information provided. Once the seller confirms that the payment has been made through the escrow service module, the seller can deliver the product based on the information provided. When the purchaser confirms delivery, the server device 300 may pay the seller through the escrow service module. The server device 300 may provide user information (eg, user's address, account information, phone number, etc.) between users to whom a transaction is concluded, thereby enabling delivery and receipt of goods between users of the blockchain network 200. Can be.

8 is an example of a user interface displayed on a terminal device according to various embodiments of the present disclosure. Referring to FIG. 8, screen interfaces displayed on the display 140 of the terminal device 100 are illustrated.

According to various embodiments of the present disclosure, the terminal device 100 may transmit a query request for aquatic products currently on sale to the server device 300. The server device 300 may obtain sales order transactions (eg, sales order transaction 511) stored in the blockchain network 200, and provide the same to the terminal device 100. The terminal device 100 may display the interface 801 based on the information obtained from the server device 300, for example. The interface 801 may display a name, an image, and a purchase order ID of a seafood currently being sold. The name of the fish may be understood as the name of the fish corresponding to the fish ID. For example, when confirmation input for any one of the displayed seafood name, image, and purchase order ID is obtained, a detail page for the corresponding purchase order may be output. The detail page may include information associated with the fishery for sale.

In various embodiments, the information associated with the seafood may include nutritional information of the seafood, and harmful information of the seafood. When the harmful information of the seafood meets a preset criterion, the terminal device 100 may output a notification message for the harmful information of the seafood. The preset criteria may include, for example, a value of the heavy metal concentration included in the seafood, whether the seafood is infected with a virus / microorganism, or a radiation concentration of the seafood.

The notification message may be generated from the server device 300 and received by the terminal device 100. The notification message may include, for example, a phrase to limit intake of the seafood.

According to various embodiments of the present disclosure, the terminal device 100 may transmit an inquiry request for a transaction history of a specific user to the server device 300. The server device 300 is stored in the blockchain network 200, and purchase order / sales order / transaction transactions (e.g., sales order transaction 511, purchase order transaction 515 digitally signed with a particular user's blockchain account). ), A transaction transaction 519 may be obtained, and transaction history information may be generated based on the acquired transactions. The server device 300 may transmit the generated transaction history information to the terminal device 100. The terminal device 100 may display, for example, the interface 803 based on the transaction history information obtained from the server device 300. The interface 803 may display a purchase order history of a specific user corresponding to a purchase order transaction and a purchase execution history corresponding to a transaction transaction. For example, each of the details may be displayed as a purchase order ID, a sales order ID, and a purchase ID. For example, when a confirmation input for any one of the displayed details is obtained, a detail page for the corresponding details may be output.

According to various embodiments of the present disclosure, the terminal device 100 may transmit a query request for the cumulative transaction amount of a specific product to the server device 300. The server device 300 may obtain transaction transactions (eg, transaction transaction 519) stored in the blockchain network 200, and generate cumulative transaction information based on the transaction transactions. For example, the inquiry request may include a product ID corresponding to a specific product. The server device 300 may generate cumulative transaction volume information for a specific product having the product ID based on the transactions including the product ID among the acquired transaction transactions.

The server device 300 may transmit the generated cumulative transaction amount information to the terminal device 100. The terminal device 100 may display, for example, the interface 805 based on the transaction history information obtained from the server device 300. The interface 805 may display statistical information such as monthly cumulative trading volume / quarter cumulative trading volume / year cumulative trading volume according to a specific fishery type.

In various embodiments of the present disclosure, all or some of operations of the server device 300 may be set to be implemented by the transaction program 122 of the terminal device 100. In this case, an operation of the processor 310 of the server device 300 may be performed by the processor 110 of the terminal device 100, and data stored in the memory 320 of the server device 300 may be stored in an electronic device ( 100 may be stored in the memory 120.

Electronic devices according to various embodiments of the present disclosure may be various types of devices. The electronic device may include, for example, a portable communication device (eg, a smartphone), a computer device, a portable multimedia device, a portable medical device, a camera, a wearable device, or a home appliance device. An electronic device according to an embodiment of the present disclosure is not limited to the above-described devices.

Various embodiments of the present document and terms used therein are not intended to limit the technical features described in the present document to specific embodiments, but should be understood to include various modifications, equivalents, or substitutes for the embodiments. In connection with the description of the drawings, similar reference numerals may be used for similar or related components. The singular form of the noun corresponding to the item may include one or more of the items, unless the context clearly indicates otherwise. In this document, "A or B", "at least one of A and B", "at least one of A or B," "A, B or C," "at least one of A, B and C," and "A And phrases such as "at least one of B, or C" may include all possible combinations of items listed together in the corresponding one of the phrases. Terms such as "first", "second", or "first" or "second" may be used merely to distinguish a component from other corresponding components, and to separate the components from other aspects (e.g. Order). Some (eg first) component may be referred to as "coupled" or "connected" to another (eg second) component, with or without the term "functionally" or "communically". When mentioned, it means that any component can be connected directly to the other component (eg, by wire), wirelessly, or via a third component.

As used herein, the term "module" may include a unit implemented in hardware, software, or firmware, and may be used interchangeably with terms such as logic, logic block, component, or circuit. The module may be an integral part or a minimum unit or part of the component, which performs one or more functions. For example, according to one embodiment, the module may be implemented in the form of an application-specific integrated circuit (ASIC).

Various embodiments of the present disclosure may be a storage medium (eg, the memory 120 of FIG. 3) that may be read by a machine (eg, the terminal device 100 of FIG. 3 or the server device 300). It may be implemented as software (eg, transaction program 122 of FIG. 3) that includes one or more instructions stored in memory 320. For example, the processor of the device may invoke and execute at least one of the one or more instructions stored from the storage medium. This enables the device to be operated to perform at least one function in accordance with the at least one command invoked. The one or more instructions may include code generated by a compiler or code executable by an interpreter. The device-readable storage medium may be provided in the form of a non-transitory storage medium. Here, 'non-transitory' means only that the storage medium is a tangible device and does not contain a signal (e.g., electromagnetic waves), which is the case when data is stored semi-permanently on the storage medium. It does not distinguish cases where it is temporarily stored.

According to an embodiment of the present disclosure, a method according to various embodiments of the present disclosure may be included in a computer program product. The computer program product may be traded between the seller and the buyer as a product. The computer program product is distributed in the form of a device-readable storage medium (e.g. compact disc read only memory (CD-ROM)), or through an application store (e.g. Play StoreTM) or two user devices ( Example: smartphones) can be distributed (eg downloaded or uploaded) directly or online. In the case of on-line distribution, at least a portion of the computer program product may be stored at least temporarily on a device-readable storage medium such as a server of a manufacturer, a server of an application store, or a relay server, or may be temporarily created.

According to various embodiments of the present disclosure, each component (eg, a module or a program) of the above-described components may include a singular or plural object. According to various embodiments of the present disclosure, one or more components or operations of the above-described corresponding components may be omitted, or one or more other components or operations may be added. Alternatively or additionally, a plurality of components (eg, a module or a program) may be integrated into one component. In this case, the integrated component may perform one or more functions of the component of each of the plurality of components the same as or similar to that performed by the corresponding component of the plurality of components before the integration. . According to various embodiments, operations performed by a module, program, or other component may be executed sequentially, in parallel, repeatedly, or heuristically, or one or more of the operations may be executed in a different order, or may be omitted. Or one or more other operations may be added.

Claims (17)

In the server device,
Communication circuitry for communicating with a terminal device and a blockchain network;
A memory containing instructions; And a processor;
The processor,
Receiving first information associated with a user of the terminal device from the terminal device, storing the received first information in the memory,
Obtain from the blockchain network at least one transaction stored in association with at least a portion of the first information on the blockchain network,
And transmit at least a portion of the information included in the at least one transaction to the terminal device. The method according to claim 1,
The first information includes account information of the user registered on the blockchain network,
The processor,
And obtain the at least one transaction digitally signed using the account information from the blockchain network. The method according to claim 1,
The at least one transaction comprises a purchase order transaction, a sales order transaction, a transaction transaction,
And transmit at least a portion of buyer information, seller information, product related information, and price information included in the at least one transaction to the terminal device. The method according to claim 3,
The transaction transaction includes information associated with the transaction, buyer information and seller information,
The processor,
And to transmit information associated with the transaction to a terminal device of a buyer and a terminal device of a seller using the buyer information and the seller information to provide an escrow service for the transaction. The method according to claim 4,
The information associated with the transaction includes transaction price information, payment means information of the seller. The method according to claim 1,
The processor,
Receiving a first request for transaction-related information from the terminal device,
In response to receiving the first request, transmit at least a portion of the information included in the at least one transaction to the terminal device. The method according to claim 6,
The first request includes a user ID,
And the at least one transaction is digitally signed using account information registered on the blockchain network corresponding to the user ID. The method according to claim 6,
The first request includes a product ID,
The at least one transaction
And a product ID equal to the product ID. The method according to claim 1,
The processor,
When a second request for a purchase list is received from the terminal device,
In response to receiving the second request, transmit at least a portion of the information included in the purchase order transaction of the at least one transaction to the terminal device. The method according to claim 1,
The processor,
When the third request for the sales list is received from the terminal device,
In response to receiving the third request, transmit at least a portion of the information included in the sales order transaction of the at least one transaction to the terminal device. The method according to claim 1,
The at least one transaction comprises at least one transaction transaction comprising a first product ID,
The processor,
And generate cumulative transaction amount information for the first product ID based on the at least one transaction transaction. The method according to claim 11,
The processor,
When a fourth request for cumulative transaction amount information including the first product ID is received from the terminal device,
And in response to receiving the fourth request, transmit the cumulative transaction amount information for the first product ID to the terminal device. The method according to claim 1,
And transmit information associated with a product included in the at least one transaction to the terminal device. The method according to claim 13,
The information associated with the product includes image data about the product and nutritional information about the product. The method according to claim 13,
The information associated with the product includes harmful information of the product,
The processor,
And transmit a notification message for the harmful information of the product to the terminal device based on the harmful information of the product. A system for providing an e-commerce service connected to operate with a blockchain network,
Memory devices; And
A processing device operatively coupled to the memory device; wherein the processing device comprises:
Receiving at least one transaction associated with the e-commerce service from a terminal device,
And when data is included in a required item of the received at least one transaction, the at least one transaction is set to process and store in the memory device. The method according to claim 16,
The at least one transaction comprises a sales order transaction and a purchase order transaction,
The processing device,
Determine whether the sales order transaction includes a required pre-specified item required to sell a product,
And determine whether the purchase order transaction includes a pre-specified required item as required to purchase a product.

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