This project aims to save gold sleeping in the gold mine in Myanmar. Electronically generated tokens generated by the amount of gold mined and It is a project realizing the exchange of gold by O2O. We mainly issue two electronic tokens in this project. Environment protection, social reconstruction project. Preservation of forests damaged by gold mining, conservation management of mountain roads. We also provide a lacking educational environment. Then, from the mined gold to conservation management, migration is managed by IoT × Block chain and gold traceability is realized.