KR20240019965A - Metaverse based exhibition system - Google Patents

Abstract

One embodiment of the present invention discloses a method in which a server provides art work exhibition and sales services within the metaverse.

Description

Metaverse based exhibition system

The present invention relates to metaverse. Additionally, the present invention relates to NFT (Non-Fungible Token). Additionally, the present invention relates to a method and server for providing art work exhibition and sales services within the metaverse.

Metaverse is a term that refers to a three-dimensional virtual world where social, economic, and cultural activities similar to the real world take place, and is a concept that first appeared in Neil Stevenson's 1992 novel <Sono Crash>. Metaverse is gradually attracting attention due to the development of information and communication technology following the commercialization of 5G and the acceleration of non-face-to-face trends due to the COVID-19 pandemic.

Reflecting the development of Metaverse-related technologies, especially information and communication technology and blockchain technology, attempts are being made to provide exhibition and sales services for works of art through Metaverse.

Various embodiments of the present invention provide a method and server for providing art work exhibition and sales services within the metaverse.

According to an embodiment of the present invention, a method is provided in which a server provides art work exhibition and sales services within a metaverse. The method includes receiving, from a first user device of a first customer, an image of a metaverse artwork for display in a virtual image space within the metaverse; A step of transmitting NFT creation request information to generate an NFT (non-fungible token) representing the copyright of the metaverse artwork image to a plurality of nodes in the blockchain platform, the first customer A smart contract request for requesting a smart contract of the NFT generated by the plurality of nodes based on the NFT creation request information from the first user device. Receiving information, based on the smart contract request information, requesting the plurality of nodes to create a smart contract account (account) for conclusion of the smart contract, the virtual image Placing the metaverse art work image and the smart contract request information on a first area of the inner wall of the virtual art exhibition hall in the space, controlled by a second user device of a second customer, Receiving acceptance information for the smart contract request information from the first avatar of the second customer located in the metaverse, accepting the acceptance from the second user device to the plurality of nodes Based on the smart contract being concluded between the first customer and the second customer in the smart contract account based on the transmission of a transaction ID (identification) related to information, the virtual image space Controlling to display smart contract conclusion information indicating that the smart contract has been concluded in the second area, wherein the plurality of nodes are external user devices or external devices using the first blockchain platform. It includes a server, and the smart contract request information may be information requesting to trade the NFT with a predetermined quantity of cryptocurrency used in a second blockchain platform.

According to various embodiments of the present invention, the server can provide art work exhibition and sales services within the metaverse.

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

Figure 1 shows an example of a communication structure between a server and a user device.
Figure 2 is a diagram for explaining a metaverse environment according to an embodiment.
Figure 3 is a diagram to explain an example of a blockchain transaction being performed.
Figure 4 is a diagram to explain examples of methods for verifying blockchain transactions.
Figure 5 is a flowchart showing the operation of a server according to one embodiment.
FIG. 6 is a flowchart illustrating a method of concluding a smart contract through mutual data transmission and reception between a server, a first user device, a second user device, and a plurality of nodes according to an embodiment.
Figure 7 is a block diagram showing the configuration of a server according to one embodiment.

Since the present invention can make various changes and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail. However, this is not intended to limit the present invention to specific embodiments, and should be understood to include all changes, equivalents, and substitutes included in the spirit and technical scope of the present invention.

Terms such as first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, a first component may be named a second component, and similarly, the second component may also be named a first component without departing from the scope of the present invention. The term “and/or” includes any of a plurality of related stated items or a combination of a plurality of related stated items.

When a component is said to be "connected" or "connected" to another component, it is understood that it may be directly connected to or connected to the other component, but that other components may exist in between. It should be. On the other hand, when it is mentioned that a component is “directly connected” or “directly connected” to another component, it should be understood that there are no other components in between.

The terms used in this application are only used to describe specific embodiments and are not intended to limit the invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as “comprise” or “have” are intended to designate the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to indicate the presence of one or more other features. It should be understood that this does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by a person of ordinary skill in the technical field to which the present invention pertains. Terms defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related technology, and unless clearly defined in this application, should not be interpreted in an ideal or excessively formal meaning. No.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the attached drawings. In order to facilitate overall understanding when describing the present invention, the same reference numerals are used for the same components in the drawings, and duplicate descriptions for the same components are omitted.

Figure 1 shows an example of a communication structure between a server and a user device.

In this specification, “server” is a type of server that communicates with external devices (e.g., user devices) or external servers (other than the self) through a network, and operates external devices or external servers. indicates the server for

You can. In one example, the server may be implemented using general server hardware and a web server program that is provided in various operating systems such as DOS, Windows, Linux, Unix, and Macintosh.

In one embodiment, the server 110 may refer to a device that provides art work exhibition and sales services within the metaverse. For example, the server 110 may be referred to by various names, such as an operation server, a metaverse server, and a metaverse exhibition platform.

In this specification, “user device” includes smartphones, cell phones, smart TVs, smart watches, electronic wristwatches, set-top boxes, tablet PCs, digital cameras, camcorders, laptop computers, desktops, and electronic devices. Book terminals, digital broadcasting terminals, PDAs (Personal Digital Assistants), PMPs (Portable Multimedia Players),

It can be implemented in a variety of devices including navigation, MP3 players, wearable devices, air conditioners, microwave ovens, audio, DVD players, etc.

In this specification, at least one of the server 110, the first user device 120, and the second user device 130 may communicate with each other through a communication network. The communication network may be, for example, a wireless communication network or a wired communication network. The wireless communication network may be, for example, a communication network based on Long Term Evolution (LTE) Radio Access Technology (RAT), New Radio (NR) RAT, WiFi, etc.

In one example, at least one of the server 110, the first user device 120, and the second user device 130 may perform mutual device-to-device (D2D) communication, and a base station (e.g. For example, UU communication may be performed with gNB and/or eNB). TDMA (time division multiple access) for performing the D2D communication or the UU communication, and

In frequency division multiples access (FDMA) systems, precise time and frequency synchronization may be required. If time and frequency synchronization is not accurate, system performance may deteriorate due to inter-symbol interference (ISI) and inter-carrier interference (ICI). In D2D communication according to one example, for time/frequency synchronization, a synchronization signal may be used in the physical layer, and a master information block (MIB) may be used in the radio link control (RLC) layer.

In the D2D communication process, at least one of the server 110, the first user device 120, and the second user device 130 is directly synchronized to GNSS (global navigation satellite systems), or directly synchronized to GNSS. It can be synchronized to GNSS indirectly through a terminal (within network coverage or outside network coverage). When GNSS is set as the synchronization source, the server 110, the first user device 120, and the second user device 130 ), at least one of which may calculate the DFN and subframe number using Coordinated Universal Time (UTC) and a (pre)set Direct Frame Number (DFN) offset.

Alternatively, at least one of the server 110, the first user device 120, and the second user device 130 may be synchronized directly to the base station or to another terminal time/frequency synchronized to the base station. For example, the base station may be an eNB or gNB. For example, if at least one of the server 110, the first user device 120, and the second user device 130 is within network coverage, the server 110, the first user device 120, and the second user device 130 At least one of the 2 user devices 130 receives synchronization information provided by the base station and is directly synchronized to the base station.

You can. Afterwards, at least one of the server 110, the first user device 120, and the second user device 130 may provide synchronization information to another adjacent terminal. When the base station timing is set as a synchronization reference, at least one of the server 110, the first user device 120, and the second user device 130 is connected to a cell (at the frequency) associated with the frequency for synchronization and downlink measurement. (if within cell coverage), primary cell, or serving cell (if outside of cell coverage at that frequency).

A base station (e.g., serving cell) may provide synchronization settings for carriers used for D2D or sidelink (SL) communications. In this case, at least one of the server 110, the first user device 120, and the second user device 130 may follow the synchronization settings received from the base station. If at least one of the server 110, the first user device 120, and the second user device 130 fails to detect any cell on the carrier used for the D2D or SL communication, and synchronization settings from the serving cell are also If not received, at least one of the server 110, the first user device 120, and the second user device 130 may follow preset synchronization settings.

Alternatively, at least one of the server 110, the first user device 120, and the second user device 130 may be synchronized to another terminal that has not obtained synchronization information directly or indirectly from the base station or GNSS. Synchronization source and preference can be set in advance to the terminal. Alternatively, the synchronization source and preference can be set through a control message provided by the base station.

In one embodiment, at least one of the server 110, the first user device 120, and the second user device 130 may communicate with each other through the network 100 (or communication network). For example, when the server 110 transmits data to the network 100, the network 100 may deliver (transmit) the data to the user device 120. Alternatively, when the user device 120 transmits data to the network 100, the network 100 may deliver (transmit) the data to the server 110.

In the following description of FIGS. 2 to 7, based on signal exchange or communication between at least one of the server 110, the first user device 120, and the second user device 130, the server 110 uses a meta We will specifically examine ways to provide art exhibition and sales services on buses.

Figure 2 is a diagram for explaining a metaverse environment according to an embodiment.

Metaverse refers to a virtual space platform that allows users to engage in social, economic, educational, cultural, scientific and technological activities similar to actual reality through an avatar. FIG. 2 shows an example of a user using/experiencing/experiencing a 3D virtual space 210 in the metaverse through an avatar 220. In the example of Figure 2, the virtual space is depicted in three dimensions, but the metaverse environment is not limited to three dimensions. The metaverse environment can be expressed through a two-dimensional flat virtual space, or a four-dimensional virtual space with tactile and olfactory senses.

Multiple users can use/experience/experience the metaverse environment through their respective avatars. For example, within the three-dimensional virtual space 210 in the metaverse, the first avatar performs physical activities such as moving, jumping, sitting, lying down, or exercising, and performs economic activities such as trading with the second avatar. Activities can be performed, and learning can also be performed through images displayed in the three-dimensional virtual space 210.

In one embodiment, a transaction occurs between a first avatar and a second avatar within the metaverse, or between a first avatar and a metaverse server (e.g., a first avatar purchases a work of art at a virtual museum within the metaverse). When this happens, the cryptocurrency of the blockchain platform can be used. Cryptocurrency may also be referred to as virtual currency, digital asset, digital currency, etc. The transaction method through cryptocurrency will be described later in the description of FIGS. 3 and 4.

In one embodiment, a user controlling the avatar 220 through a user device provides a perspective as if observing the avatar 220 from a specific location in the three-dimensional virtual space 210 in the metaverse from the user device. You can receive it.

For example, the user may select an avatar (i.e., within an altitude range higher than the height of the avatar 220 within the three-dimensional virtual space 210) from the user device. 220) is provided, or the same view is provided as observing the avatar 220 from the side (i.e., within an altitude range lower than the height of the avatar 220 within the three-dimensional virtual space 210). You can receive it. At this time, the user device may be a device with a flat display, such as a PC, laptop, or smartphone.

In another embodiment, a user who controls the avatar 220 through a user device may be provided with the same perspective as if he were the avatar 220 and observed the three-dimensional virtual space 210 from the user device. there is. In other words, when the avatar 220 stands in front of the TV at home within the 3D virtual space 210, the user is in the 3D virtual space.

(210) You can be provided with the same perspective as if you were in front of your TV, and when the avatar (220) tilts your head up, the user can be provided with the same perspective as if you were looking at the ceiling of your home in the three-dimensional virtual space (210). You can. At this time, the user device may be a head mounted display (HMD), and the 3D virtual space 210 may be a 360-degree VR (Virtual Reality) image implemented through the HMD.

Figure 3 is a diagram to explain an example of a blockchain transaction being performed.

Block chain refers to a collection of blocks connected one after another. Here, the block forming the chain may record/include confirmed transaction details transacted over a certain period of time through the corresponding blockchain platform. In order for a block recording pre-confirmation transaction details to be approved, validity judgment must be performed by network participants. An example of the validity judgment method or consensus protocol will be described in detail later in FIG. 4.

Figure 3 shows the communication structure between participants performed within a specific blockchain platform. The first blockchain transaction participation device 310 and the second blockchain transaction participation device 320 may represent user devices of two users performing blockchain transactions, and one or all of the devices may be servers. You can. For example, each of the first blockchain transaction participation device 310 and the second blockchain transaction participation device 320 is the server 110, first user device 120, or second user device described above in FIG. 1. It may be any one of (130).

A blockchain platform can refer to a blockchain ecosystem or blockchain network that operates based on proprietary blockchain technology. There are various types of blockchain platforms, such as Bitcoin, Ethereum, Solana, and Klaytn, and each blockchain platform has blockchain consensus protocol, interface, and block size. Some of the factors may be different. The means of transaction used in each blockchain platform is cryptocurrency. Depending on the consensus protocol adopted by each blockchain platform, the methods of creating and trading cryptocurrency may vary. The consensus protocol is detailed in Figure 4. This will be described later.

Ethereum is a public blockchain platform created by Vitalik Buterin on July 30, 2015, and represents the name of the platform's native currency (i.e. cryptocurrency). While Bitcoin focuses on payment or transaction-related systems, that is, functions as currency, Ethereum is based on blockchain, a core technology, and is used not only for transactions and payments, but also for contracts, SNS (Social Network Service), email, electronic voting, etc. It can provide scalability so that various applications can be operated transparently. In other words, it is a platform that allows anyone to create and use not only a currency but also an analysis application (Decentralized Application) called dAPP. Ethereum's mainstream programming language is Solidity, a modified version of JavaScript, but it supports most major programming languages such as C++, Java, Python, and Go, providing versatility.

NFT (Non-Fungible Token), or 'non-fungible token', can refer to a blockchain-based token that cannot be exchanged or copied and thus has its own uniqueness and scarcity. As mentioned above, fungible cryptocurrencies such as Bitcoin can be exchanged 1:1 because they each have the same value, whereas NFTs have values and characteristics that cannot be replaced by each being given a unique recognition value. do. By applying NFT technology, which puts a unique serial number on assets that can be digitized, you can create (digital) assets that cannot be copied, that is, only one in the world. Assets to which NFT can be applied include videos, images, sounds, It is very diverse, ranging from digital content such as text to artwork, collectibles, game items, phonemes, various products, virtual real estate, etc.

The plurality of nodes 330 represent a plurality of servers, a plurality of devices, and a plurality of networks involved in the consensus protocol of transactions performed on the specific blockchain platform. Depending on the type of consensus protocol, the range of the plurality of nodes 330 may be different.

In Figure 3, the plurality of nodes 330, the first blockchain transaction participation device 310, and the second blockchain transaction participation device 320 are depicted as being distinct, but this is to clearly indicate the blockchain transaction participation device. In some embodiments, the plurality of nodes 330 may include the first blockchain transaction participation device 310 and the second blockchain transaction participation device 320. The plurality of nodes 330 shown in FIG. 3, the first blockchain transaction participation device 310, and the second blockchain transaction participation device 320 are connected through the network 100 described above in FIG. 1. Data can be sent and received between them.

A method of transmitting a specific cryptocurrency used within the specific blockchain platform from the first blockchain transaction participation device 310 to the second blockchain transaction participation device 320 according to an embodiment is as follows. The address of the cryptocurrency electronic wallet owned by the first user of the first blockchain transaction participation device 310, the quantity of the specific cryptocurrency to be transmitted, and the cryptocurrency electronic wallet to be transmitted (i.e. , Transaction information (or ID) including the address of the cryptocurrency electronic wallet owned by the second user of the second blockchain transaction participation device 320 is sent to the first blockchain transaction participation device 310. ) to the plurality of nodes 330, the plurality of nodes 330 can approve the transaction through a predetermined consensus protocol method. When the transaction is approved, the quantity of the specific cryptocurrency may be transferred from the cryptocurrency electronic wallet owned by the first user to the cryptocurrency electronic wallet owned by the second user. In other words, through the plurality of nodes 330, the specific cryptocurrency is reduced by the amount in the cryptocurrency electronic wallet owned by the first user, and the cryptocurrency electronic wallet owned by the second user is reduced. In , a block recording an increase in the specific cryptocurrency by the above quantity can be combined with the existing blockchain within the blockchain platform to form a new blockchain.

A smart contract refers to a digital contract method in which contract conditions are coded based on blockchain technology and the contract is implemented when the conditions are met. The method for the first blockchain transaction participation device 310 and the second blockchain transaction participation device 320 according to an embodiment to conclude a smart contract based on the specific blockchain platform is as follows: same. At this time, either the first blockchain transaction participation device 310 or the second blockchain transaction participation device 320 supports, for example, a Non-Fungible Token (NFT) trading platform such as opensea. It could be a server that does. When the first blockchain transaction participation device 310 requests the plurality of nodes 330 to create a smart contract account, the plurality of nodes 330 create a smart contract account. can do. At this time, the second blockchain transaction participation device 320, which agrees to the contract contents of the smart contract, sends the contract contents to the plurality of nodes 330 and the first user of the first blockchain transaction participation device 310. When transaction information (or ID) including the cryptocurrency electronic wallet address owned by the user and the cryptocurrency electronic wallet address owned by the second user of the second blockchain transaction participation device 320 is transmitted, the smart contract is It is concluded so that the contents of the above contract can be realized/executed. For example, the NFT owned by the first user is moved from the first user's cryptocurrency electronic wallet to the second user's cryptocurrency electronic wallet, and a certain cryptocurrency owned by the second user is transferred to the second user. It is possible to move from the user's cryptocurrency electronic wallet to the first user's cryptocurrency electronic wallet.

Figure 4 is a diagram to explain examples of methods for verifying blockchain transactions.

Consensus protocol methods by which a plurality of nodes 330 constituting the blockchain platform prove blockchain transactions include, for example, Proof of Work (PoW) 410 and Proof of Stake. PoS) 420 exists, and the types of consensus protocol methods are not limited to the above two.

In the proof-of-work method (410), the block creator (or miner, verifier, etc.) applies a nonce value with random characteristics and a hash algorithm to transaction record information, which is presented in the block header of the blockchain. It refers to a consensus protocol that creates a block and receives compensation by detecting a hash value that satisfies the difficulty conditions. Block creators can receive compensation, for example, in cryptocurrency used on the blockchain platform. Blockchain platforms that use the proof-of-work method 410 include, for example, Bitcoin. If the consensus protocol method of a specific blockchain platform is the proof-of-work method (410), the object that proves the blockchain transaction within the specific blockchain platform is the block creator (or miner, verifier, etc.), so the plurality of Nodes 330 may refer to the block creator.

The proof-of-stake method 420 refers to a consensus protocol that differentially grants the authority to create blocks to each node depending on the amount of stake of each node in the blockchain platform upon agreement. The stake of each node may be proportional to the amount of cryptocurrency held by each node. Each node can receive a reward for the transaction fees generated by the blockchain platform according to the proportion of each node's contribution to block creation. Blockchain platforms that use the proof-of-stake method (420) include Solana, ADA, etc. If the consensus protocol method of a specific blockchain platform is the proof-of-stake method (420), the subjects of proving blockchain transactions within the specific blockchain platform are all participants or nodes holding cryptocurrency used in the blockchain platform. Therefore, the plurality of nodes 330 may mean all participants or nodes.

Figure 5 is a flowchart showing the operation of a server according to one embodiment.

The operations disclosed in the flowchart of FIG. 5 can be performed in combination with various embodiments of the present invention. In one example, the server described in FIG. 5 may correspond to the server 110 shown in FIG. 1, the server 601 shown in FIG. 6, or the server 700 shown in FIG. 7. In one example, the operations disclosed in the flowchart of FIG. 5 may correspond to some of the operations (of the server) disclosed in FIGS. 1 to 4 and FIG. 7 .

In step S510, the server according to one embodiment may receive, from the first user device of the first customer, an image of a metaverse artwork for display in a virtual image space within the metaverse.

In one embodiment, the virtual image space may be a 3-dimensional virtual image space, a 4-dimensional virtual image space, or a 2-dimensional virtual image space.

In one example, the metaverse artwork image may be a digital artwork image obtained by digitizing an image of a physical artwork created by an artist offline based on photography.

In another example, the metaverse artwork image may be a digital artwork image created by the artist online based on a computing device such as a PC, tablet, laptop, or smartphone.

In one embodiment, the format of the metaverse artwork image is a computing image file, and the file extension may be PNG, JPG, JPEG, GIF, WEBP, MP4, etc.

In step S520, the server according to one embodiment is a plurality of nodes in a first blockchain platform based on blockchain technology, and an NFT (non-NFT) representing the copyright of the image of the metaverse artwork. You can transmit NFT creation request information to create a -fungible token).

In one embodiment, the first blockchain platform may be Ethereum. However, the first blockchain platform is not limited to Ethereum, and various blockchain platforms such as Klaytn, Solana, and Ada can operate as the first blockchain platform.

In one embodiment, the NFT creation request information is proactively transmitted from the first user device to the server, and the server replaces the NFT creation request information received from the first user device with the plurality of nodes. It may be conveying.

In one embodiment, the NFT creation request information includes the name of the metaverse artwork image, a description of the metaverse artwork image, the name of the artist of the metaverse artwork image, and the metaverse artwork. It may include at least one of the SNS address of the artist of the image and a link where the metaverse art work image is stored or posted.

In one embodiment, the NFT creation request information may be referred to differently as NFT minting information, NFT minting request information, etc.

A plurality of nodes according to one embodiment generates a block indicating the creation of the NFT based on the received NFT creation request information, and combines the generated block with the existing blockchain to create a new blockchain. can do. Based on the creation of the new blockchain, the NFT can be created and added/included/transferred to the first customer's cryptocurrency electronic wallet.

In step S530, the server according to one embodiment sends a smart contract (smart contract) of the NFT generated by the plurality of nodes based on the NFT creation request information from the first user device of the first customer. You can receive smart contract request information that requests a contract.

In one embodiment, the smart contract related to the NFT may be about trading/exchanging the NFT with a certain cryptocurrency used in a specific blockchain platform. The smart contract request information includes the address of the first customer's cryptocurrency electronic wallet holding the NFT, the quantity of the predetermined cryptocurrency, the type of the cryptocurrency, and the auction closing time for the NFT. It may include etc.

In one example, the quantity of the predetermined cryptocurrency may represent the minimum auction quantity at the start of the auction for the smart contract of the NFT. In other words, you can start the auction from the predetermined amount of cryptocurrency and conclude a smart contract with the auctioneer who offers the highest amount among the auction quantities presented until the auction closes.

In another example, the quantity of the predetermined cryptocurrency may be reduced based on the time the metaverse artwork image is displayed in the virtual image space, the access frequency of avatars in the metaverse, etc. More specific examples and examples will be described later.

In step S540, the server according to one embodiment requests the plurality of nodes to create a smart contract account (account) for conclusion of the smart contract, based on the smart contract request information. You can.

In one embodiment, the smart contract account may be a blockchain account/address created under the first blockchain platform. For example, the smart contract account may be a blockchain account/address created under the Ethereum platform.

In step S550, the server according to one embodiment may place the metaverse artwork image and the smart contract request information on a first area of the inner wall of the virtual art exhibition hall in the virtual image space. there is.

In one embodiment, the server may place the metaverse artwork image and the smart contract request information on a first area of the interior wall of the virtual art exhibition hall where the artwork image is not yet displayed. The size of the first area may be the same as or different from the size of other art work images already displayed in the virtual art exhibition hall, and specific settings regarding the size may be set in advance by the server. The server adjusts the size of the metaverse artwork image by the size of the first area so that all parts of the first area are displayed as the metaverse artwork image, but the metaverse artwork image (or the metaverse artwork image) is displayed by the server. The smart contract request information (type and quantity of cryptocurrency requesting exchange for the NFT, auction start price and auction end date, etc.) can be displayed at the bottom right of area 1).

In step S560, the server according to one embodiment receives the smart contract request information from the first avatar of the second customer located in the metaverse and controlled by the second user device of the second customer. You can receive acceptance information about .

In one embodiment, when creating an avatar in the metaverse, avatar request information input by a customer through a user device may be used. The avatar request information may include the avatar's hairstyle selection information, the avatar's face type selection information, the avatar's body type selection information, and the avatar's clothing selection information. Selectable hairstyle options, face shape options, body shape options, clothing options, etc. may be set in advance by the server.

In one embodiment, the consent information is information indicating that the second customer agrees to the smart contract, and whether the second customer may perform a transaction to conclude the smart contract. It may include verification information and the address of the second customer's cryptocurrency electronic wallet.

The server according to one embodiment may transmit information confirming that it is possible to perform the transaction for concluding the smart contract to the second user device of the second customer. The second user device according to one embodiment may transmit a transaction ID for concluding the smart contract to the plurality of nodes.

In one example, the transaction ID may include the address of the second customer's cryptocurrency electronic wallet, the address of the smart contract account, and quantity information of the cryptocurrency for trading with the NFT.

In one embodiment, based on the transaction ID being approved by the plurality of nodes and a predetermined amount of cryptocurrency for trading with the NFT being sent to the smart contract account, the first customer and the first 2 Smart contracts can be concluded between customers.

In step S570, the server according to one embodiment, based on the transaction ID (identification) related to the acceptance information being transmitted from the second user device to the plurality of nodes, in the smart contract account Based on the smart contract being concluded between the first customer and the second customer, smart contract conclusion information indicating that the smart contract has been concluded is displayed in the second area in the virtual image space. You can control it.

In one embodiment, the plurality of nodes may include an external user device or an external server using the first blockchain platform.

In one embodiment, the smart contract request information may be information requesting to trade the NFT with a predetermined quantity of cryptocurrency used in a second blockchain platform.

In one example, the second blockchain platform may be the same as the first blockchain platform. For example, both the first blockchain platform and the second blockchain platform may be Ethereum platforms, and the cryptocurrency may be Ethereum.

In another example, the second blockchain platform may be different from the first blockchain platform. For example, the first blockchain platform may be an Ethereum platform, the second blockchain platform may be a Klaytn platform, and the cryptocurrency may be Klaytn.

In one embodiment, the quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: the predetermined quantity at the initial time when the smart contract request information is generated, and from the initial time Based on the elapse of a minute, it is determined as b * (the predetermined quantity), where a is a natural number and b may be a real number between 0 and 1.

For example, if the predetermined quantity is 5, the quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: 5 at the initial time when the smart contract request information is generated. , Based on the passage of 200 minutes from the initial point, it is determined as (0.8) * (5) = 4, where a = 200 and b = 0.8.

In one embodiment, the quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: the predetermined quantity at the initial time when the smart contract request information is generated, and from the initial time Based on c hours elapsed, {(total number of avatars accessing the metaverse artwork image) / (c hours)}, and [(total number displayed in the virtual art exhibition hall during the previous c hours) It is determined according to the result of comparison between (total number of avatars accessing artwork images) / {(c time)*(total number of artwork images)}], where c may be a natural number.

For example, if the predetermined quantity is 5, the quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: 5 at the initial time when the smart contract request information is generated. , based on 5 hours from the initial point in time, {(total number of avatars accessing the metaverse artwork image) / 5}, and [(total art displayed in the virtual art exhibition hall during the previous 5 hours) It may be determined according to the result of comparison between (total number of avatars accessing artwork images) / {5 * (total number of artwork images)}]. Here c is 5. In other words, the quantity of the cryptocurrency to be traded with the NFT is determined based on whether the number of avatars (customers) accessing the Metaverse artwork image during a specific time is greater or less than that of other artworks in the virtual image space. /Can be changed.

In one embodiment, the second avatar of a specific customer approaches the specific artwork image based on the fact that the second avatar is located within a preset threshold distance from the specific artwork image displayed in the virtual art exhibition hall. It can be decided that

In one example, the threshold distance may be 2m (a numerical standard in virtual image space).

In one embodiment, {(total number of avatars accessing the metaverse artwork images) / (c hours)} is equal to [(total avatars accessing the total artwork images displayed in the virtual art gallery during the previous c hours) of the cryptocurrency to be traded for the NFT, at the time c hours have elapsed from the initial time, based on being greater than (total number of images) / {(c time)*(total number of artwork images)}] The quantity is determined by d * (the predetermined quantity), and d may be a real number greater than 1.

In other words, based on the fact that the number of avatars (customers) accessing the Metaverse artwork image during a certain time is greater than that of other artworks in the virtual image space, the quantity of the cryptocurrency to be traded with the NFT is increased compared to the initial quantity. (d>1) It can be done.

In one embodiment, {(total number of avatars accessing the metaverse artwork images) / (c hours)} is [(total avatars accessing the total artwork images displayed in the virtual art gallery during the previous c hours) total number of images) / {(c time)*(the total number of artwork images)}], based on which c time has elapsed from the initial point in time.

At the time, the quantity of the cryptocurrency to be traded with the NFT is determined by e * (the predetermined quantity), and e may be a real number greater than 0 and less than 1.

In other words, based on the fact that the number of avatars (customers) accessing the Metaverse artwork image during a specific time is lower than that of other artworks in the virtual image space, the quantity of the cryptocurrency to be traded with the NFT is reduced compared to the initial quantity. (0<e<1) can be done.

In one embodiment, based on the smart contract being concluded, ownership of the metaverse art work image within the metaverse is transferred from the first customer to the second customer, and the smart contract is Based on the conclusion that the ownership of the metaverse artwork image within the metaverse has been transferred to the second customer, the metaverse artwork image is stored in the private room of the second customer within the metaverse. It can be controlled to be displayed within.

In one example, the second customer's personal space may be the second customer's home within the virtual image space of the metaverse. Based on the ownership of the metaverse artwork image within the metaverse being transferred to the second customer, the metaverse artwork image is no longer displayed in the first area of the virtual art exhibition hall, and At the same time, the metaverse artwork image may be controlled to be displayed in a specific area of the second customer's home.

In one embodiment, based on the smart contract being concluded, ownership of the metaverse art work image within the metaverse is transferred from the first customer to the second customer, and the smart contract is Based on the conclusion that the ownership of the metaverse artwork image within the metaverse has been transferred to the second customer, the first avatar of the second customer within the metaverse retrieves the metaverse artwork image. It can be controlled to enable transport within the virtual image space.

In one example, before the ownership of the metaverse artwork image within the metaverse is transferred to the second customer, the metaverse artwork image may be displayed as fixed in the first area. . Then, based on the ownership of the metaverse artwork image within the metaverse being transferred to the second customer, the first avatar of the second customer within the metaverse transfers the metaverse artwork image to the virtual It can be controlled to enable transport within the image space. For example, a message informing that it has become possible for the first avatar to carry the image of the metaverse artwork around the first area (e.g., an area spaced apart by a preset distance from the first area). can be displayed. The second customer controlling the first avatar tabs, clicks, or uses an auxiliary operation device on the first area where the metaverse artwork image is displayed through the second user device. When the first avatar's hand is controlled to reach the first area, the first avatar may carry the metaverse artwork image within the metaverse.

In one embodiment, the quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: the predetermined quantity at the initial time when the smart contract request information is generated, and from the initial time Based on c hours elapsed, {(total number of avatars accessing the metaverse artwork image) / (c hours)}, and [(total number displayed in the virtual art exhibition hall during the previous c hours) Total number of avatars accessing artwork images) / {(c time)*(Total number of artwork images)}], and the second avatar of a specific customer is located in the virtual art exhibition hall. Based on being located within a preset threshold distance from the image of a specific work of art displayed in total number of avatars) / (c hours)} is [(total number of avatars accessing the total artwork images displayed in the virtual art gallery during the previous c hours) / {(c hours)*(the total artwork images number)}], based on the fact that the c time has elapsed from the initial time, the quantity of the cryptocurrency to be traded with the NFT is determined as d* (the predetermined quantity), where d is 1 A bigger mistake is that {(total number of avatars accessing the metaverse artwork images) / (c hours)} is [(total avatars accessing the artwork images displayed in the virtual art gallery during the previous c hours) of the cryptocurrency to be traded with the NFT, at the time c hours have elapsed from the initial time, based on something less than (total number of) / {(c time)*(total number of artwork images)}] The quantity is determined by e Based on the transfer from the first customer to the second customer, and the smart contract being concluded, the ownership of the metaverse artwork image within the metaverse is transferred to the second customer, the meta The first avatar of the second customer in the bus may be controlled to carry the metaverse artwork image within the virtual image space.

In one embodiment, the quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: the predetermined quantity at the initial time when the smart contract request information is generated, and from the initial time Based on c hours elapsed, {(total number of avatars accessing the metaverse artwork image) / (c hours)}, and [(total number displayed in the virtual art exhibition hall during the previous c hours) Total number of avatars accessing artwork images) / {(c time)*(Total number of artwork images)}], and the second avatar of a specific customer is located in the virtual art exhibition hall. Based on being located within a preset threshold distance from the image of a specific work of art displayed in total number of avatars) / (c hours)} is [(total number of avatars accessing the total artwork images displayed in the virtual art gallery during the previous c hours) / {(c hours)*(the total artwork images number)}], based on the fact that the c time has elapsed from the initial time, the quantity of the cryptocurrency to be traded with the NFT is determined as d* (the predetermined quantity), where d is 1 A bigger mistake is that {(total number of avatars accessing the metaverse artwork images) / (c hours)} is [(total avatars accessing the total artwork images displayed in the virtual art gallery during the previous c hours) of the cryptocurrency to be traded with the NFT, at the time c hours have elapsed from the initial time, based on something less than (total number of) / {(c time)*(total number of artwork images)}] The quantity is determined by e Based on the transfer from the first customer to the second customer, and the smart contract being concluded, the ownership of the metaverse artwork image within the metaverse is transferred to the second customer, the meta The bus artwork image may be controlled to be displayed in the private room of the second customer within the metaverse.

FIG. 6 is a flowchart illustrating a method of concluding a smart contract through mutual data transmission and reception between a server, a first user device, a second user device, and a plurality of nodes according to an embodiment.

In the flowchart of FIG. 6, S605, S610, S620, S625, S635, S640, and S655 may be steps corresponding to S510 to S570 of FIG. 5.

In step S605, the server 601 according to one embodiment may receive a metaverse artwork image for display in a virtual image space in the metaverse from the first user device 602.

In step S610, the server 601 according to one embodiment may transmit NFT creation request information for generating an NFT representing the copyright of the metaverse artwork image to a plurality of nodes 604.

In step S615, a plurality of nodes 604 according to one embodiment may generate an NFT related to an image of a metaverse artwork.

In step S620, the server 601 according to an embodiment may receive smart contract request information requesting a smart contract of NFT from the first user device 602.

In step S625, the server 601 according to one embodiment requests the plurality of nodes 604 to create a smart contract account for entering into a smart contract, based on the smart contract request information. You can.

In step S630, a plurality of nodes 604 according to one embodiment may create a smart contract account.

In step S635, the server 601 according to one embodiment may place the metaverse artwork image and smart contract request information on a first area of the inner wall of the virtual art exhibition hall in the virtual image space.

In step S640, the server 601 according to one embodiment may receive consent information for smart contract request information from the second user device 603.

In step S650, the second user device 603 according to one embodiment may transmit a transaction ID related to acceptance information to a plurality of nodes 604.

In step S655, a smart contract may be concluded between the first customer and the second customer in the smart contract account. At this time, the smart contract may be concluded based on the completion of transaction approval by a plurality of nodes 604 for the transaction ID.

In step S660, the server 601 according to one embodiment may control smart contract execution information indicating that a smart contract has been concluded to be displayed in the second area in the virtual image space. At this time, prior to step S660, the server 601 may receive information indicating that a smart contract between the first customer and the second customer has been concluded in the smart contract account from the plurality of nodes 604. .

Figure 7 is a block diagram showing the configuration of a server according to one embodiment.

As shown in FIG. 7, the server 700 according to one embodiment may include a database (DB) 710, a transceiver 720, and a processor 730. However, in some cases, not all of the components shown in FIG. 7 may be essential components of the server 700, and the server 700 may be implemented with more or fewer components than those shown in FIG. 7. You can.

In the server 700 according to one embodiment, the database 710, the transceiver 720, and the processor 730 are each implemented as a separate chip, or at least two or more components are implemented through one chip. It may be possible.

The database (DB) 710 may store data received from the transceiver 720 or the processor 730. In one embodiment, database 710 may store at least one program. In one example, the at least one program may be used when the processor 730 executes a learning model.

The transceiver unit 720 can be used for communication between modules within the server and/or for transmitting and receiving data/signals, and can communicate with external devices. In one example, the transceiver 720 may transmit and receive data with an external device (eg, an external user device, an external server, etc.).

The processor 730 according to one embodiment may control the overall operation of the server 700. In one example, the processor 730 can generally control the database 710 and the transceiver 720 by executing programs stored in the database 710 of the server 700. In one example, the processor 730 may perform some of the operations of the server 700 in FIGS. 1 to 6 by executing programs stored in the database of the server 700.

The processor 730 according to one embodiment uses a transceiver unit 720 to receive a metaverse artwork image for display in a virtual image space in the metaverse from a first user device of a first customer. ) can be controlled.

The processor 730 according to one embodiment is a plurality of nodes in the first blockchain platform based on blockchain technology, and NFT (non-NFT) representing the copyright of the image of the metaverse artwork. The transceiver unit 720 can be controlled to transmit NFT creation request information for generating a fungible token.

The processor 730 according to one embodiment is a smart contract of the NFT generated by the plurality of nodes based on the NFT creation request information from the first user device of the first customer. ) can be controlled to receive smart contract request information.

The processor 730 according to one embodiment, based on the smart contract request information, requests the plurality of nodes to create a smart contract account (account) for conclusion of the smart contract. The transceiver unit 720 can be controlled.

The processor 730 according to one embodiment may place the metaverse artwork image and the smart contract request information on a first area of the interior wall of the virtual art exhibition hall in the virtual image space. .

Processor 730 according to one embodiment, controls the smart contract request information from the first avatar of the second customer located in the metaverse, controlled by the second user device of the second customer. The transceiver 720 may be controlled to receive acceptance information. The processor 730 according to one embodiment may perform a transaction related to the acceptance information from the second user device to the plurality of nodes. (transaction) Based on the smart contract being concluded between the first customer and the second customer in the smart contract account based on the ID (identification) being transmitted, a second area in the virtual image space It can be controlled so that smart contract conclusion information indicating that the smart contract has been concluded is displayed.

In one embodiment, the plurality of nodes may include external user devices or external servers that use the first blockchain platform.

In one embodiment, the smart contract request information may be information requesting to trade the NFT with a predetermined quantity of cryptocurrency used in a second blockchain platform.

Some embodiments may also be implemented in the form of a recording medium containing instructions executable by a computer, such as program modules executed by a computer. Computer-readable media can be any available media that can be accessed by a computer and includes both volatile and non-volatile media, removable and non-removable media. Additionally, computer-readable media may include both computer storage media and communication media. Computer storage media includes both volatile and non-volatile, removable and non-removable media implemented in any method or technology for storage of information such as computer-readable instructions, data structures, program modules or other data. Communication media typically includes computer readable instructions, data structures, program modules, or other data in a modulated data signal such as a carrier wave, or other transmission mechanism, and includes any information delivery medium.

So far, the present invention has been examined focusing on its preferred embodiments. A person skilled in the art to which the present invention pertains will understand that the present invention may be implemented in a modified form without departing from the essential characteristics of the present invention. Accordingly, the scope of the present invention is not limited to the above-described embodiments, but should be construed to include various embodiments within the scope equivalent to the content described in the patent claims.

Claims (1)

In the server that provides art exhibition and sales services within the metaverse,
transceiver; and
Including a processor,
The processor:
Controlling the transceiver to receive, from a first user device of a first customer, an image of a metaverse artwork for display in a virtual image space within the metaverse,
NFT creation request information to generate an NFT (non-fungible token) representing the copyright of the Metaverse artwork image with a plurality of nodes in the first blockchain platform based on blockchain technology Controlling the transceiver to transmit,
A smart contract that requests a smart contract of the NFT generated by the plurality of nodes based on the NFT creation request information from the first user device of the first customer. Controlling the transceiver to receive request information,
Based on the smart contract request information, control the transceiver to request the plurality of nodes to create a smart contract account for conclusion of the smart contract,
Place the metaverse art work image and the smart contract request information on a first area of the inner wall of the virtual art exhibition hall in the virtual image space,
The transmission and reception to receive acceptance information for the smart contract request information from the first avatar of the second customer located in the metaverse, controlled by the second user device of the second customer. control the wealth,
The smart contract between the first customer and the second customer in the smart contract account is based on a transaction ID (identification) related to the consent information being transmitted from the second user device to the plurality of nodes. Based on the contract being concluded, smart contract execution information indicating that the smart contract has been concluded is controlled to be displayed in the second area in the virtual image space,
The plurality of nodes include external user devices or external servers using the first blockchain platform,
The smart contract request information is information requesting to trade the NFT with a predetermined quantity of cryptocurrency used in the second blockchain platform,
The quantity of the cryptocurrency to be traded with the NFT, indicated by the smart contract request information, is: the predetermined quantity at the initial time when the smart contract request information is generated, and is a minute from the initial time. Based on this elapsed time, b * (the predetermined quantity) is determined, where a is a natural number and b is a real number between 0 and 1.