The development of digital economy is inseparable from digital technology? Hold on. In recent years, mobile Internet? , cloud computing,? Data, Intelligence and the Internet of Things? The cluster and interactive development with new technologies such as 5G and blockchain showed an outbreak of "nuclear fusion", which brought unprecedented expansion of technology-driven innovation, and the era of digital economy began. However? Different technologies bring different variables: Mobile Internet? It has brought us the power of connection, cooperation and enjoyment. Keep the business online at any time; Cloud computing for computing? Into socialized computing energy? , let the calculation touch? Available; ? Data enables us to collect and process massive and real-time data, so that innovation can rely on it; Intelligence allows us from intelligent interaction to intelligent perception of various business scenarios, to data-driven intelligent insight and decision-making, such intelligence? Transcendence; IOT? Connected to technology, by our side? Cut the virtual and the reality and connect them? Everywhere; Blockchain creation? A new paradigm and cooperation mode of establishing credibility at low cost in competitive environment, with its unique trust? Mechanism, step by step to achieve penetrating supervision and trust transfer, so that business trust can be operated.