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WO2025058106A1 - Système de service de suivi et d'échange de droits d'émissions de carbone basé sur un nft et son procédé de commande - Google Patents

Système de service de suivi et d'échange de droits d'émissions de carbone basé sur un nft et son procédé de commande Download PDF

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Publication number
WO2025058106A1
WO2025058106A1 PCT/KR2023/013776 KR2023013776W WO2025058106A1 WO 2025058106 A1 WO2025058106 A1 WO 2025058106A1 KR 2023013776 W KR2023013776 W KR 2023013776W WO 2025058106 A1 WO2025058106 A1 WO 2025058106A1
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WIPO (PCT)
Prior art keywords
nft
carbon
electronic device
user terminal
service system
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Pending
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PCT/KR2023/013776
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English (en)
Korean (ko)
Inventor
피찬호
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LG Electronics Inc
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LG Electronics Inc
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Priority to PCT/KR2023/013776 priority Critical patent/WO2025058106A1/fr
Publication of WO2025058106A1 publication Critical patent/WO2025058106A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/26—Government or public services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols

Definitions

  • the present invention relates to an NFT-based tracking and carbon transaction service system and a control method thereof. More specifically, the present invention relates to an NFT-based tracking and carbon transaction service system and a control method thereof, which monitors the amount of electricity and carbon emissions used in an electronic device, records them in an NFT, and obtains carbon emission details by purchasing the NFT.
  • Blockchain is a data tampering prevention technology based on distributed computing technology that stores small data called 'blocks' of managed data in a chain-like connection-based distributed data storage environment created based on the P2P method, so that no one can arbitrarily modify it and anyone can view the results of the change.
  • Blockchain is designed to prevent arbitrary manipulation by the operator of the distributed node as a change list that records continuously changing data in all participating nodes.
  • Scope 1 direct emissions
  • Scope 2 indirect emissions
  • Scope 3 other indirect emissions
  • Scope 3 accounts for 70-80% of carbon emissions for most companies, and among them, the proportion in the product use stage is high.
  • Scope 3 emissions occur outside the direct control of the company, it is one of the most difficult areas to track and calculate.
  • One embodiment of the present invention seeks to solve the above-mentioned problem and proposes a system that provides reliable carbon emission tracking data by tracking the amount of carbon emitted during the use stage of a device product and recording it on a blockchain.
  • Another embodiment of the present invention proposes a system in which a company can obtain the record by purchasing an NFT in which the carbon emissions of a device are recorded in metadata, and perform carbon offsetting at the corporate level for this.
  • another embodiment of the present invention aims to provide a system that can analyze a user's usage pattern by recording the carbon emissions of a device on an hourly basis and provide advice on saving electricity usage to motivate carbon reduction.
  • An NFT-based tracking and carbon trading service system is characterized by including the steps of: monitoring electricity usage and carbon emissions in an electronic device; transmitting a first transaction requesting issuance of an NFT linked to the electronic device from a user terminal to a blockchain network; issuing an NFT linked to the electronic device to a user wallet existing in the user terminal in the blockchain network; generating a second transaction for recording history data of the electronic device monitoring the electricity usage and carbon emissions in a block related to the NFT linked to the electronic device; and a carbon trading service server purchasing the NFT to obtain data related to the carbon emissions.
  • the above carbon transaction service server may be characterized by performing carbon offset for the carbon emissions and providing an additional reward corresponding to the carbon emissions to the user terminal.
  • the above carbon transaction service server may be characterized by receiving history data recorded in a block regarding the NFT from a blockchain network and determining whether to purchase the NFT based on the history data.
  • the above carbon transaction service server may be characterized in that it determines the purchase of the NFT in order of the lowest electricity usage of the device from the history data recorded in the block regarding the NFT.
  • the above carbon transaction service server may be characterized by transmitting a message requesting consent to data collection to the user terminal, and transmitting a reward to the user terminal when a response agreeing to the message is received from the user terminal.
  • the above electronic device may be characterized by recording the history data monitoring the carbon emissions in a block related to the NFT at a preset power usage data generation cycle.
  • the above electronic device is characterized in that it sets a different power usage data generation cycle for each type.
  • the power usage data generation cycle is set in units of years.
  • the power usage data generation cycle is set in units of hours.
  • the power usage data generation cycle is set in units of minutes.
  • the above carbon transaction service server may be characterized by analyzing the history data and providing a power usage reduction guide for the second type electronic device.
  • the above carbon transaction service server may be characterized by analyzing the history data and providing a power usage reduction guide and a power saving program for the third type electronic device.
  • Another embodiment of the present invention provides a method for controlling an NFT-based tracking and carbon trading service system, comprising: a step of monitoring electricity usage and carbon emissions in an electronic device; a step of transmitting a first transaction requesting issuance of an NFT linked to the electronic device from a user terminal to a blockchain network; a step of issuing an NFT linked to the electronic device from the blockchain network to a user wallet existing in the user terminal; a step of generating a second transaction for recording history data of the electronic device monitoring the electricity usage and carbon emissions in a block related to the NFT linked to the electronic device; and a step of a carbon trading service server purchasing the NFT and obtaining data related to the carbon emissions.
  • a company can contribute to carbon reduction by purchasing carbon emission data resulting from device usage of a trusted consumer recorded in an NFT and performing carbon offset.
  • the user's usage pattern can be analyzed, and data with lower carbon emissions can be purchased in order to motivate consumers to reduce carbon emissions.
  • FIG. 1 is a configuration diagram showing the configuration of a carbon tracking and carbon trading service system according to one embodiment of the present invention.
  • FIG. 2 is a flowchart for explaining a control method of a system according to one embodiment of the present invention.
  • FIG. 3 illustrates an example of recording carbon emissions in an NFT associated with a device in a system according to one embodiment of the present invention.
  • Figures 4 to 6 illustrate examples according to device type in a system according to one embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating a carbon trading process of a system according to one embodiment of the present invention.
  • embodiments within the scope of the present invention include computer-readable media having or carrying computer-executable instructions or data structures stored on a computer-readable medium.
  • Such computer-readable media can be any available media that can be accessed by a general-purpose or special-purpose computer system.
  • Such computer-readable media can include physical storage media such as RAM, ROM, EPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage, or any other medium that can be used to store or carry certain program code means in the form of computer-executable instructions, computer-readable instructions or data structures and that can be accessed by a general-purpose or special-purpose computer system.
  • the present invention can be practiced in a network computing environment having various types of computer system configurations including personal computers, laptop computers, handheld devices, multiprocessor systems, microprocessor-based or programmable consumer electronics, network PCs, minicomputers, mainframe computers, mobile telephones, PDAs, pagers, and the like.
  • the present invention can also be practiced in a distributed system environment where both local and remote computer systems linked by wired data links, wireless data links, or a combination of wired and wireless data links over a network perform tasks.
  • program modules can be located in local and remote memory storage devices.
  • each block of the flowchart drawings and combinations of the flowchart drawings can be performed by computer program instructions.
  • These computer program instructions can be installed in a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing apparatus, so that the instructions, which are executed by the processor of the computer or other programmable data processing apparatus, create a means for performing the functions described in the flowchart block(s).
  • These computer program instructions can also be stored in a computer-available or computer-readable memory that can be directed to a computer or other programmable data processing apparatus to implement the functions in a specific manner, so that the instructions stored in the computer-available or computer-readable memory can also produce an article of manufacture that includes an instruction means for performing the functions described in the flowchart block(s).
  • the computer program instructions may also be installed on a computer or other programmable data processing apparatus, a series of operational steps may be performed on the computer or other programmable data processing apparatus to produce a computer-executable process, so that the instructions executing the computer or other programmable data processing apparatus may also provide steps for executing the functions described in the flowchart block(s).
  • each block may represent a module, segment, or portion of code that contains one or more executable instructions for performing a particular logical function(s). It should also be noted that in some alternative implementation examples, the functions mentioned in the blocks may occur out of order. For example, two blocks shown in succession may in fact be performed substantially concurrently, or the blocks may sometimes be performed in reverse order, depending on the functionality they perform.
  • a device refers to an electronic device.
  • FIG. 1 is a configuration diagram showing the configuration of a carbon tracking and carbon trading service system according to one embodiment of the present invention.
  • a carbon tracking and carbon transaction service system (hereinafter, “the system of the present invention”) according to one embodiment of the present invention is a system that independently creates records of electricity usage and carbon emissions according to the use of the device for each device and stores the records on a blockchain, thereby creating reliable carbon emission data and providing a service that enables the purchase of the same.
  • the system of the present invention may include a device (100), a user terminal (200), a carbon transaction service server (300), and a blockchain network (400).
  • a service network to which a device (100), a user terminal (200), and a carbon transaction service server are connected is linked with a blockchain network, thereby transmitting transaction information generated by entities participating in a carbon transaction service to the blockchain network (400), and allowing the transaction processing to be processed by nodes, which are entities constituting the blockchain network.
  • the device (100) may be an electronic device whose electricity usage can be measured.
  • the device (100) may include, for example, a TV, a refrigerator, a washing machine, a laptop, a tablet, a dryer, a dishwasher, a microwave, an air conditioner, a dehumidifier, a vacuum cleaner, a monitor, a styler, a water purifier, etc.
  • the types of devices to which the embodiments of the present invention can be applied are not limited to the examples described above, and may be applied to various devices that utilize electricity.
  • the user terminal (200) is a terminal managed by a subject who uses the service provided by the system of the present invention. In other words, it is a terminal managed by the actual owner, manager, and user who purchases and uses the device.
  • the user terminal (200) can store an application for accessing the carbon transaction service provided by the carbon transaction service server (300) and the blockchain network (400).
  • the user terminal (200) can access the blockchain network (400) and operate as a user node.
  • the carbon transaction service server (300) (hereinafter, service server) is a device operated by an entity providing a carbon transaction service. Users who use the service of the system of the present invention may include users who purchase and actually use the device (100).
  • the service server (300) can issue an application account (e.g., ID, password, etc.) and a blockchain account (e.g., blockchain wallet, private key, public key, etc.) to a user using the carbon transaction service for using the carbon transaction service, and store information about the issued account.
  • an application account e.g., ID, password, etc.
  • a blockchain account e.g., blockchain wallet, private key, public key, etc.
  • the user terminal (200) and the service server (300) may be implemented as various types of devices capable of transmitting and receiving information through a network.
  • they may include portable communication devices, smart phones, computer devices, portable multimedia devices, notebooks, tablet PCs, etc.
  • the user terminal (200) and the service server (300) may be connected to be operable through a communication network and may transmit and receive information.
  • the communication network may include wired and wireless communication networks such as a local area network (LAN), a wide area network (WAN), a virtual network, and remote communication.
  • FIG. 2 is a flowchart for explaining a control method of a system according to one embodiment of the present invention.
  • the device (100) may be monitoring electricity usage and carbon emissions (S2001).
  • the device (100) and the user terminal (200) may store an application for a service according to one embodiment of the present invention.
  • the device (100) may be linked with the user terminal (200) through the application (S2002).
  • the carbon transaction service server (300) may send a message to the user terminal (200) requesting consent to collect data on the carbon emission history data of the device (100) for future NFT purchase (S2003). If the user agrees to the data collection in response to the message, the user terminal may send a response indicating consent to the service server (300). At this time, the service server (300) may also provide a reward to the user terminal (200) that has agreed.
  • the device (100) can transmit device information to a user terminal through a communication unit (S2005).
  • the device information can include information that can uniquely identify the device.
  • the user terminal (200) can receive device information from the device (100), create a transaction requesting the issuance of an NFT, and transmit it to the blockchain network. At this time, the user terminal (200) can create a transaction requesting the issuance of an NFT linked to the device (100) by transmitting the device information together (S2006).
  • a smart contract is created, and according to the rules set forth in the smart contract, an NFT linked to the device (100) can be issued to a user wallet existing in a user terminal (S2007).
  • an NFT linked to a device can be issued for each device (100), and a device can be linked to one or more NFTs.
  • the user terminal (200) can own multiple NFTs for each device. For example, an NFT linked to a refrigerator, an NFT linked to a TV, and an NFT linked to a washing machine can exist in one wallet at the same time.
  • a smart contract is a set of executable software instructions that are stored and executed by a blockchain network. Smart contracts are typically stored unencrypted and are therefore visible to all participants in the blockchain network. Participants in the blockchain network can write and publish their own smart contracts, and can also typically call smart contracts that have already been deployed on the blockchain network. Since the set of instructions that can be used in smart contracts is typically Turing complete, smart contracts can support complex logic to support different business scenarios.
  • the device (100) can monitor electricity usage and carbon emissions and record the history in a block related to the NFT associated with the device (100) (S2008). In this way, by storing information related to the NFT in a block, the reliability and usability of the NFT can be increased. In addition, the owner or related parties can easily check additional information about the NFT.
  • the NFT can utilize this metadata to store and share various information about each unique digital asset on the blockchain.
  • the carbon transaction service server (300) can search for NFTs by connecting to the blockchain network. At this time, a blockchain browser can also be used.
  • the carbon transaction service server can receive and store data on the address or identifier of the NFT linked to the device through the data collection consent (S2004) from the user terminal (200).
  • the service server (300) can search for metadata using the NFT address or identifier for one or more NFTs for which consent has been received. That is, the service server (300) can request the blockchain network for history data stored in a block related to the NFT (S2009).
  • the service server (300) can receive requested history data from the blockchain network (S2010). At this time, the service server can search the history data for NFTs linked to all devices that have been agreed upon, and decide on the purchase of NFTs according to preset rules. This will be described in detail later in Fig. 7.
  • the service server (300) can determine the NFT to purchase and create a transaction to purchase the NFT (S2011). When the purchase is successful, the ownership of the NFT is transferred and can be transferred from the user wallet existing in the user terminal to the service server (S2012).
  • the service server (300) can perform carbon offset for the carbon emission history stored in the purchased NFT (S2013).
  • FIG. 3 illustrates an example of recording carbon emissions in an NFT associated with a device in a system according to one embodiment of the present invention.
  • Fig. 3 illustrates an example of carbon emission history data that can be checked using the application in the user terminal (200).
  • the user terminal (200) can receive a message requesting consent for data collection from the carbon transaction service server.
  • consent can be given to the collection of power consumption and carbon emission data for the linked device (100) (S3001).
  • the device (100) can be, for example, a TV, a refrigerator, a washing machine, etc.
  • the user can check the NFT issuance status of the linked device through the application stored in the user terminal (200) (S3002). Multiple devices can be linked to one user terminal (200), and a linked NFT can be issued for each device.
  • the user terminal (200) can select and check the NFT associated with each device through the application (S3003). Metadata related to each NFT can also be searched in the application. The user can select the device for which he wants to check the carbon emissions and check the power usage history and carbon emissions history stored in the NFT associated with the device (S3004). At this time, the carbon emissions of the device can be monitored by the device and stored in the block of the associated NFT, or calculated and produced by the application.
  • history data recorded in the NFT for each device will be described.
  • Figures 4 to 6 illustrate examples according to device type in a system according to one embodiment of the present invention.
  • FIG. 4 illustrates an example of a first type device in a system according to one embodiment of the present invention.
  • the first type device may be an electronic device that is in constant use, such as a refrigerator, for example.
  • the user terminal (200) can be linked with the device (100) through an application and manage the device.
  • the user terminal (200) can be linked with the device through the application and collect power usage data of the device (S4001).
  • the user can consent to the service server's data collection through the user terminal and decide to issue an NFT of the first type device.
  • the NFT issuance cycle and power record generation cycle can be selected.
  • the power record generation cycle can be set to a daily unit.
  • the issuance cycle can be set to a yearly unit (S4002).
  • an NFT linked to the first device can be issued (S4003).
  • the first type device can store the power usage in the metadata of the linked NFT.
  • the user terminal can query the metadata using the application (S4004).
  • FIG. 5 illustrates an example of a second type device in a system according to one embodiment of the present invention.
  • a second type of device may be an electronic device that is used intermittently, but requires a constant amount of power, such as a washing machine.
  • the user terminal (200) can be linked with the device (100) through an application and manage the device.
  • the user terminal (200) can be linked with the device through the application and collect power usage data of the device (S5001).
  • the user can consent to the service server's data collection through the user terminal and decide to issue the NFT of the first device.
  • the NFT issuance cycle and power record generation cycle can be selected.
  • the power record generation cycle can be set in units of hours.
  • the issuance cycle can be set in units of months/years (S5002).
  • the use time can be stored in units of time to prove carbon emissions corresponding to the actual use time.
  • the service server (300) can search and analyze the power consumption history according to time recorded in the NFT linked to the device.
  • the service server (300) can provide a request for reducing the power usage of the device or an electricity saving guide based on the analysis result.
  • the power saving mode can be executed in conjunction with a power saving program.
  • the full-wash mode can be recommended in conjunction with a power saving program.
  • the service server (300) can provide rewards in the order of contribution to reducing carbon emissions by making purchases in the order of lower power consumption. Accordingly, motivation for reducing power consumption of devices can be provided.
  • an NFT linked to the second type device can be issued (S5003).
  • the second type device can store the power usage in the metadata of the linked NFT.
  • the user terminal can query the metadata using the application (S5004).
  • FIG. 6 illustrates an example of a third type device in a system according to one embodiment of the present invention.
  • a third type of device could be an electronic device that is used intermittently, such as a television, but whose power usage can be controlled.
  • the user terminal (200) can be linked with the device (100) through an application and manage the device.
  • the user terminal (200) can be linked with the device through the application and collect power usage data of the device (S6001).
  • the user can consent to the service server's data collection through the user terminal and decide to issue an NFT of a third-type device.
  • the NFT issuance cycle and power record generation cycle can be selected (S6002).
  • the power record generation cycle can be set in hours or minutes.
  • the issuance cycle can be set in months/years.
  • the use time can be stored in units of hours to prove carbon emissions corresponding to the actual use time.
  • the service server (300) can search and analyze the power consumption history according to time recorded in the NFT linked to the device.
  • the service server (300) can provide a request for reducing the power usage of the device or an electricity saving guide based on the analysis result.
  • a third type device it can be linked to a power-saving program and run in power-saving mode.
  • a power-saving program for example, in the case of a TV, it can be linked to a power-saving program and recommend power-saving mode, lower the screen brightness, or recommend a time zone when electricity is cheap.
  • the service server (300) can provide rewards in the order of contribution to reducing carbon emissions by making purchases in the order of lower power consumption. Accordingly, motivation for reducing power consumption of devices can be provided.
  • an NFT linked to the third type device can be issued (S6003).
  • the third type device can store the power usage in the metadata of the linked NFT.
  • the user terminal can query the metadata using the application (S6004).
  • FIG. 7 is a flowchart illustrating a carbon trading process of a system according to one embodiment of the present invention.
  • the carbon transaction service server can receive information from the blockchain network and check the power usage of each NFT. Below, the process of checking and purchasing NFT information to offset carbon through the application provided by the carbon transaction service server is described.
  • the entity managing the carbon transaction service server can first select the type of electric device to be searched (S7001). For example, if the type of device is selected as a refrigerator, the list of NFTs associated with the refrigerator can be searched, and each NFT can be selected from the list to search the power usage for each NFT (S7002).
  • the NFT list of selected home appliances can be sorted in order of lowest power consumption (S7003). After that, the NFT to be purchased can be selected through the carbon transaction service server (S7004). At this time, the NFT to be purchased can also be selected in order of lowest power consumption.
  • a company can measure and evaluate its own carbon emissions. This can be done by considering emissions from Scope 1, Scope 2, and Scope 3 as described above. The company can then implement offset projects for the measured emissions. For example, planting forests, supporting sustainable energy projects, improving waste management, etc. If a company implements carbon offsets, an independent certification body can verify that the project has reduced or reduced carbon emissions to zero. Companies can purchase or exchange certified carbon offset rights on industrial and financial markets. Thus, companies can purchase carbon offset certificates and deduct carbon emissions within the total amount purchased.

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Abstract

Un système de service de suivi et d'échange de droits d'émissions de carbone basé sur un NFT selon un mode de réalisation de la présente invention comprend les étapes dans lesquelles : un dispositif électronique surveille une quantité d'utilisation d'électricité et une quantité d'émissions de carbone ; un terminal utilisateur transmet une première transaction pour demander l'émission d'un NFT lié au dispositif électronique à un réseau de chaîne de blocs ; le réseau de chaîne de blocs émet le NFT lié au dispositif électronique vers un portefeuille d'utilisateur existant dans le terminal utilisateur ; le dispositif électronique génère une seconde transaction pour enregistrer des données d'historique, qui est obtenue par la surveillance de la quantité d'utilisation d'électricité et de la quantité d'émissions de carbone, dans un bloc associé au NFT lié au dispositif électronique ; et un serveur de service d'échange de droits d'émissions de carbone achète le NFT pour acquérir des données sur la quantité d'émissions de carbone.
PCT/KR2023/013776 2023-09-14 2023-09-14 Système de service de suivi et d'échange de droits d'émissions de carbone basé sur un nft et son procédé de commande Pending WO2025058106A1 (fr)

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