Gubi has collected more than 4,000 e-books and more than 33 million collection materials through five years of precipitation. It is hoped to provide art collectors with an easy-to-use large database of art through image search technology. At the same time, the blockchain technology is introduced into the online sales of artworks and the identification and valuation links. Build a highly complete and credible large database of artwork data, expert database, and user credit system to become the infrastructure in the field of online artwork transactions. Gubi is the built-in token of the ecology.