SUSTAINABLE LIFE AND DIGITAL ASSET: A SELF-SOVEREIGN FRAMEWORK FOR TRACEABLE AND INCENTIVIZED ENVIRONMENTAL ACTIONS THROUGH DECENTRALIZED TOKENS AND RE-EXPERIENCABLE CIVIC ENGAGEMENT. - Suzuki, Junichi; Minoda, Yuki; Kodama, Motoki; Achtem, Theodore; Kawahara, Yasuhiro (Proceedings of the International Multidisciplinary Scientific GeoConference SGEM, 2025)