Carbon credit securitization methods, programs, and systems

Abstract

Increase the liquidity of carbon credits. [Solution] The carbon credit securitization system 100 performs a splitting process to set up multiple split carbon credits corresponding to a carbon credit, a token issuance process to issue multiple non-fungible tokens linked to each of the split carbon credits on the blockchain, and a proof information presentation process to prove that the split carbon credits have been split from the carbon credit. In addition, the carbon credit securitization system 100 performs a carbon offset presentation process to indicate when a carbon credit has been invalidated (worn out).

Description

Technical Field

[0001] The present invention relates to a carbon credit liquidity method, program, and system for splitting and distributing carbon credits.

Background Art

[0002] Conventionally, a technology for tokenizing and trading carbon credits on a blockchain has been known (for example, Non-Patent Document 1, Patent Document 1). This conventional technology is mainly a technology for conducting carbon credit transactions between companies using a blockchain.

Prior Art Documents

Non-Patent Documents

[0003]

Non-Patent Document 1

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] In the prior art, since carbon credits are traded in a large unit of 1 t-Co2, there is a problem that the liquidity of carbon credits is low.

[0006] Therefore, the present invention aims to increase the liquidity of carbon credits. [Means for solving the problem]

[0007] A partitioning process that sets up multiple partitioned carbon credits corresponding to carbon credits, A token issuance process that issues multiple non-fungible tokens on the blockchain, each of which is linked to one of the aforementioned fractional carbon credits, A process for presenting proof that the partitioned carbon credit was partitioned from the carbon credit, This will be a carbon credit liquidation method executed by a computer.

[0008] A partitioning process that sets up multiple partitioned carbon credits corresponding to carbon credits, A token issuance process that issues multiple non-fungible tokens on the blockchain, each of which is linked to one of the aforementioned fractional carbon credits, A process for presenting proof that the partitioned carbon credit was partitioned from the carbon credit, This will be a carbon credit liquidation program that is executed by a computer.

[0009] A partitioning processing unit that sets up multiple partitioned carbon credits corresponding to carbon credits, A token issuance processing unit that issues multiple non-fungible tokens on the blockchain, each of the aforementioned fractional carbon credits, A certification information presentation processing unit that certifies that the partitioned carbon credit has been partitioned from the carbon credit, This system will be a carbon credit securitization system equipped with the necessary components. [Effects of the Invention]

[0010] According to the present invention, it is possible to increase the liquidity of carbon credits. [Brief explanation of the drawing]

[0011] [Figure 1] This is a block diagram showing an example configuration of a carbon credit securitization system. [Figure 2] This figure shows an example of a server computer hardware configuration. [Figure 3] This is an explanatory diagram illustrating the application of this embodiment to a home appliance distribution network. [Figure 4] This is an explanatory diagram illustrating the application of this embodiment to the travel service industry. [Modes for carrying out the invention]

[0012] Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. Figure 1 is a block diagram showing an example configuration of the carbon credit liquidation system 100 according to the present invention.

[0013] The carbon credit securitization system 100 performs a splitting process to set up multiple split carbon credits corresponding to a carbon credit, a token issuance process to issue multiple non-fungible tokens on the blockchain linked to each of the split carbon credits, and a proof information presentation process to prove that the split carbon credits have been split from the carbon credit. This increases the liquidity of carbon credits. Furthermore, the carbon credit securitization system 100 performs a carbon offset presentation process that indicates when carbon credits have been invalidated (worn out).

[0014] "Carbon offsetting" refers to compensating for greenhouse gas emissions by reducing or absorbing them elsewhere. "Carbon credits" refer to the quantifiable reduction in greenhouse gas emissions achieved through measures such as afforestation or the use of renewable energy, which are then certified as tradable credits.

[0015] The blockchain 102 shown in FIG. 1 divides the data of the above-mentioned split carbon credits into units called "blocks" using cryptographic techniques, and is a database that is distributed and processed / recorded among various terminals (so-called blockchain nodes) such as the provider terminal 103, seller terminal 104, and user terminal 105 shown in FIG. 1 that are connected to the network 106 in FIG. 1, as well as the server computer 101. Note that the provider terminal 103, seller terminal 104, and user terminal 105 are examples shown for ease of understanding of the present invention, and in the present invention, these are not essential elements. In the present invention, the owner of the terminal is not limited, and the method, program, and system of the present invention can be implemented on any terminal.

[0016] The blockchain 102 may be of any type, public, private, or consortium. Non-fungible tokens corresponding to each of the split carbon credits are issued on the blockchain 102. This enables the split carbon credits to be traded securely.

[0017] In FIG. 1, the provider terminal 103 is a terminal such as a personal computer operated by a provider of a distribution target such as a manufacturer that manufactures products or a company that provides services, and is connected to a network 106 such as the Internet or a local area network.

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[0018] In FIG. 1, the seller terminal 104 is a terminal such as a personal computer or a tablet operated by a seller who sells the distribution target, such as a home appliance mass retailer or a travel agency, and is connected to a network 106 such as the Internet or a local area network.

[0019] In FIG. 1, the user terminal 105 is a terminal such as a smartphone operated by a user who purchases or uses the distribution target, and is connected to a network 106 such as the Internet or a local area network.

[0020] In Figure 1, a server computer 101 is connected to network 106. Functionally as shown in Figure 1, this server computer 101 sequentially executes the following processes: partitioning (step S1), issuance (step S2), addition (step S3), carbon credit invalidation (step S4), and carbon offset presentation (step S5), which will be described later.

[0021] Figure 2 shows an example of the hardware configuration of the server computer 101 shown in Figure 1. This configuration may be a typical server computer configuration and includes a CPU (Central Processing Unit) 201, ROM (Read-Only Memory) 202, RAM (Random Access Memory) 203, SSD (Solid State Drive) storage device 204, and network interface 205, all interconnected by a system bus 206.

[0022] In Figure 2, the CPU 201 reads the carbon offset division program stored in the ROM 202 into the RAM 203 and executes it, thereby performing a series of processes shown as steps S1 to S5 within the server computer 101 in Figure 1.

[0023] In Figure 2, the SSD storage device 204 stores various types of data, such as those handled in the processing of the carbon offset partitioning program.

[0024] In Figure 2, the network interface 205 controls communication with the provider terminal 103, seller terminal 104, or user terminal 105, or with the blockchain 102, via the network 106 in Figure 1.

[0025] The details of the carbon credit securitization process performed by server computer 101 are described below with reference to Figures 1 and 2.

[0026] The CPU 201 of the server computer 101 (Figure 2, hereafter the same) reads the carbon offset splitting program from ROM 202 into RAM 203 and starts execution. The server computer 101 performs a splitting process to set up multiple split carbon credits corresponding to carbon credits (step S1 in Figure 1). The number of split carbon credits can be set according to the product to be carbon offset. For example, if the carbon dioxide emissions of a certain product are 100 kg-CO2, the number of split carbon credits can be set to 10, which is obtained by dividing 1 t-CO2 (1000 kg-CO2) by 100 kg-CO2. By subdividing carbon credits, it is expected that the price per unit will be lowered and the liquidity of carbon credits will be increased.

[0027] Next, the server computer 101 executes an issuance process to issue non-fungible tokens corresponding to each of the fractional carbon credits on the blockchain 102 (step S2 in Figure 1). The non-fungible tokens can be circulated on the blockchain 102. Holders of the non-fungible tokens can use the fractional carbon credits for carbon offsetting. Possible holders of the non-fungible tokens include, for example, the holders of the provider terminal 103, the seller terminal 104, or the user terminal 105.

[0028] The server computer 101, in response to a request from a holder of a non-fungible token, executes a proof information presentation process (Figure 1A) to present proof information regarding the fractional carbon credits linked to the non-fungible token or the carbon credits corresponding to those fractional carbon credits to the provider terminal 103, seller terminal 104, or user terminal 105. This proof information presentation process A consists of the additional processing shown in Figure 1 below (step S3), carbon credit invalidation processing (step S4), and carbon offset presentation processing (step S5).

[0029] In the proof information presentation process A, when the server computer 101 is notified by the holder of the non-fungible token that it is time to offset carbon emissions using fractional carbon credits, it performs an additional process to record this (step S3 in Figure 1).

[0030] Server computer 101 notifies the holder of a carbon credit that the carbon credit should be invalidated (worn out) if all of the fractional carbon credits derived from a single carbon credit become carbon offset. Server computer 101 also requests that proof of the invalidation of the carbon credit be sent to server computer 101.

[0031] When the server computer 101 receives proof of invalidation of carbon credits from a carbon credit holder, it presents the proof to the holder of the non-fungible token (step S5 in Figure 1).

[0032] Figure 3 is an explanatory diagram showing how the carbon credit securitization system 100 from Figure 1 can be applied to a consumer electronics distribution network.

[0033] In Figure 3, manufacturer 300 acquires non-fungible tokens corresponding to 302(#M) from the divided carbon credits 302(#1) obtained by splitting carbon credit 301 on blockchain 102.

[0034] Next, the manufacturer 300, via the provider terminal 103, configures the server computer 101 to perform carbon offsetting for one product using one fractional carbon credit, and provides the product data to the CPU 201 via the server computer 101. The server computer 101 associates fractional carbon credits 302(#1) through 302(#M) with each product serial number.

[0035] Furthermore, the manufacturer 300 sets when carbon offsetting will be performed. For example, carbon offsetting can be performed after the consumer electronics product 306, to which fractional carbon credits are linked, has been sold to the end consumer. In this case, when the product is sold at the consumer electronics retailer 304, this fact is notified to the server computer 101 via the provider terminal 103 or the seller terminal 104.

[0036] When the server computer 101 receives notification that consumer electronics 306 has been sold for all of the fractional carbon credits set for a single carbon credit, it notifies the holder of the carbon credit to invalidate the carbon credit. Subsequently, when the server computer 101 receives proof of invalidation from the holder of the carbon credit, it automatically or upon request sends the proof to the provider terminal 103, the seller terminal 104, and the user terminal 105.

[0037] Manufacturers 300, consumer electronics retailers 304, and users 305 can view certification information confirming that the fractional carbon credits associated with each consumer electronics product 306 are based on carbon credits issued by public institutions by making a request from their terminals to the server computer 101. Furthermore, manufacturers 300, consumer electronics retailers 304, and users 305 can check the status of the fractional carbon credits corresponding to each consumer electronics product 306 by making a request from their terminals to the server computer 101. The status includes information on whether or not the carbon credit from which the fractional carbon credits originated has been invalidated. If the carbon credit has not been invalidated, the status may also include information such as, for example, how many of the other fractional carbon credits derived from that carbon credit are available for carbon offsetting / not available.

[0038] Figure 4 is an explanatory diagram illustrating the application of the carbon credit securitization system 100 of Figure 1 to the travel service industry. It assumes that a travel company acquires fractional carbon credits and sells products 405, 406, 407, or 408 linked to those fractional carbon credits. Products 405, 406, 407, or 408 circulate among travel companies 401, travel agencies 402, travelers 403, and companies 404 that conduct employee trips, etc. Each of the travel companies 401, travel agencies 402, travelers 403, and companies 404 that conduct employee trips, etc. can obtain information regarding carbon offsets for the travel packages they implement.

[0039] The above embodiments are merely illustrative and not limiting. For example, this system can be applied to any business that emits carbon dioxide, not just the aforementioned trading targets. Furthermore, the recipients to whom information regarding carbon credits, fragmented carbon credits, and fungible tokens is disclosed can be arbitrarily determined. [Explanation of Symbols]

[0040] 100 Carbon Credit Securitization System 101 Server Computers 102 Blockchain 103 Provider terminal 104 Seller terminal 105 User terminals 106 Network 201 CPU 202 ROM 203 RAM 204 SSD 205 Network Interfaces 206 System Bus 300 manufacturers 301 Carbon Credits 302 Split Carbon Credits 304 Consumer electronics store 305 User 306 Home appliances

Claims

1. A partitioning process that sets up multiple partitioned carbon credits corresponding to carbon credits, A token issuance process that issues multiple non-fungible tokens on the blockchain, each of which is linked to one of the aforementioned fractional carbon credits, A process for presenting proof that the partitioned carbon credit was partitioned from the carbon credit, A method of securitizing carbon credits that is performed by a computer.

2. Furthermore, the carbon credit liquidation method according to claim 1, wherein a computer performs a carbon offset presentation process to indicate when the carbon credit has been invalidated.

3. A partitioning process that sets up multiple partitioned carbon credits corresponding to carbon credits, A token issuance process that issues multiple non-fungible tokens on the blockchain, each of which is linked to one of the aforementioned fractional carbon credits, A process for presenting proof that the partitioned carbon credit was partitioned from the carbon credit, A carbon credit liquidation program that uses computers to perform this task.

4. A partitioning processing unit that sets up multiple partitioned carbon credits corresponding to carbon credits, A token issuance processing unit that issues multiple non-fungible tokens on the blockchain, each of the aforementioned fractional carbon credits, A certification information presentation processing unit that certifies that the partitioned carbon credit has been partitioned from the carbon credit, A carbon credit securitization system equipped with the following features.

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