Telecom, Finance and Web3 Join to Protect Ishigaki's Seas: How "NFTs with Support Histories" Open a New Form of Conservation Finance

Project Overview

Announced on July 16, 2026, the project sells digital art on Okinawa Clip Marché, the online store operated by Okinawa Cellular, from July 16 to September 30, priced between ¥2,000 and ¥30,000. Part of the proceeds is channelled into umishōbu seagrass bed restoration, and buyers hold NFTs tied to the artwork as certificates of participation in the conservation effort. The distinguishing feature is that each purchaser's participation and support history is recorded on-chain, making the continuing relationship between supporters and the region visible. Depending on the purchase plan, benefits include having one's name printed on T-shirts worn by local schoolchildren participating in conservation activities, a tour of the Euglena factory on Ishigaki, and name tags affixed to the protective fences around the seagrass — the tags to be installed after application to and approval from the Ministry of the Environment. The technical foundation is "Digital Double," a blockchain technology provided by POCKET RD, a Web3 startup backed by the KDDI Open Innovation Fund. According to the three companies, this is the first initiative in Japan to use blockchain to advance endangered species conservation and support for artists with disabilities simultaneously.

Built on a Proven Conservation Programme

This NFT project was not conceived from scratch. Okinawa Cellular and Tokio Marine Asset Management have worked with Fujitsu, local operator EcoTour Fukumimi and Ishigaki City's Nosoko Elementary School on umishōbu regeneration in the Nosoko area of Ishigaki. Umishōbu is a seagrass whose northern habitat limit runs through Iriomote and Ishigaki islands, classified as Endangered Class II on the Ministry of the Environment's Red List; grazing pressure from a growing green sea turtle population is considered the main driver of its decline, with ecosystem-wide consequences feared if left unaddressed. The Nosoko area where the activity takes place became the first site in Okinawa Prefecture certified as a "Nature Symbiosis Site" by the Ministry of the Environment. Furthermore, the CO2 absorbed through the seagrass restoration led by Tokio Marine Asset Management received J Blue Credit certification in January 2026. The present project thus adds an individual-participation fundraising and relationship layer, via NFTs, on top of a conservation programme that has already achieved public certification and carbon crediting.

The Role of Technology Partner POCKET RD

POCKET RD is a startup operating the automated avatar-generation system AVATARIUM and the NFT marketplace Pocket Collection. In 2021 it raised ¥450 million with KDDI Open Innovation Fund 3 as lead investor, joined by Kodansha, Dai Nippon Printing and SMBC Venture Capital, with Square Enix among existing shareholders. This is not its first collaboration within the KDDI group: in April 2026 it provided technical support for Tokyu Stay's accommodation-rights NFT resale. For KDDI, the project exemplifies the open-innovation circuit of investment, collaboration and social implementation — deploying a CVC portfolio company's technology through a group company, Okinawa Cellular, into a regional business.

A Utility Use Case After the "NFT Winter"

Following the contraction of the speculative NFT market, Japan has seen a steady stream of utility-driven NFT implementations by infrastructure companies in telecoms, transport and hospitality — NEXCO Central's NFT trading cards aimed at easing highway congestion and Tokyu Stay's accommodation-rights NFTs among them. This project belongs to that lineage. What they share is a design philosophy that treats NFTs not as speculative assets but as media for recording participation, rights and history. The differentiation from donation-based crowdfunding is particularly clear here: a conventional donation tends to end the relationship at payment, whereas an on-chain support history connected to real-world benefits such as name tags and site visits gives the supporter-region relationship duration. As a fundraising model for regional environmental conservation — among the hardest domains to monetise — it merits attention.

Business Development Insights

1. "Certified programme × NFT" is a replicable format. The project's strength is that it layers NFTs onto an activity with public backing — Nature Symbiosis Site certification and J Blue Credit accreditation — structurally deflecting greenwashing criticism about the efficacy of support. Japan has numerous certified or certifiable conservation efforts across seagrass beds, tidal flats and forests, leaving substantial room to assemble projects of the same type. A player able to offer blue carbon credit origination support and NFT-based individual fundraising as an integrated package holds strong proposal power toward municipalities and regional financial institutions.
2. Regional implementation of a CVC portfolio reconciles startup support with core-business synergy. Five years after its 2021 investment in POCKET RD, KDDI is providing social-implementation opportunities through a regional group company. The startup gains track record and references; the corporate gains low-risk adoption of validated technology. Companies operating CVCs should design deal origination that pairs portfolio technology with the group's regional assets — retail networks, customer bases, municipal relationships — as a joint KPI shared between investment and business divisions.
3. On-chain support histories can become infrastructure for the "related population" economy. For regions facing demographic decline, cultivating continuing participants who are neither residents nor mere tourists is a policy priority. If histories of support, visits and participation accumulate on a blockchain, mechanisms can be built that capitalise depth of engagement: contribution-based benefits, links to the hometown tax donation system, priority access to local services. Telecom carriers hold advantages in identity assurance and payment/ID infrastructure, making this a promising intersection between the Web3 strategies of Japan's major carriers — wallets and ID — and regional revitalisation.

Sources

1. NADA NEWS, "KDDI and Partners Use NFTs to Protect Endangered Species on Ishigaki Island — Support Histories Recorded on Blockchain" https://www.nadanews.com/360192/
2. Okinawa Cellular, "Umishōbu (Seagrass) Regeneration Project in the Nosoko Area of Ishigaki Island" https://okinawa-cellular.jp/social-contribution/nature/project5/
3. Tokio Marine Holdings, "New Business Born from Umishōbu — Behind the J Blue Credit Certification" https://www.tokiomarinehd.com/news_insights/ni59.html
4. KDDI, "KDDI Open Innovation Fund 3 Invests in Pocket RD, Operator of a Metaverse Avatar Platform" https://news.kddi.com/kddi/corporate/newsrelease/2021/11/12/5531.html
5. PR TIMES / POCKET RD, "Pocket RD, Advancing XR Business with 3D Avatars and Blockchain, Enters Capital and Business Alliance with Square Enix, KDDI, Kodansha and DNP" https://prtimes.jp/main/html/rd/p/000000009.000069815.html
6. Atarashii Keizai, "NFT Marketplace Operator Backed by Square Enix Raises ¥450 Million from KDDI, Kodansha and DNP" https://www.neweconomy.jp/posts/167430
7. NADA NEWS, "POCKET RD Provides Technical Support for Tokyu Stay's Accommodation-Rights NFT Resale" https://www.nadanews.com/344031/
8. NADA NEWS, "NEXCO Central Uses NFT Trading Cards to Ease Highway Congestion" https://www.nadanews.com/312639/
9. Yahoo! News (NADA NEWS syndication), "KDDI and Partners Use NFTs to Protect Endangered Species on Ishigaki Island" https://news.yahoo.co.jp/articles/878c33d70938477aa760f44da5f1fefe8a481851