Kevin Pang, advisor of Space Travel, discussed about the current proliferating trend of crypto currency, with BTC become the world’s sixth largest currency in circulation. Crypto boom gave birth to Spacetime technology, company located in Singapore devoted itself to bringing people future technology through innovations for global navigational satellite industry. The existing problems are no available indoor map, limited functions and Chinese tourists can’t use map such as Google map. Space travel’s lifestyle app named “BUBU”（步步）solve those problems. BUBU combines superior military-grade satellite tech with government-supplied map data, integrates Chinese social media and Union pay.