On May 28th, the Blockchain Technology Development Forum (GBF) with the theme of “Technology Innovation and Integration” was held at the Guiyang International Ecological Conference Center. Zhang Haitao, deputy director of the Guiyang Municipal People's Congress of Guizhou Province, delivered a live speech. He said that the open sharing of data mainly refers to the open sharing of government data, the strategic direction of developing big data, and the open sharing of data to blockchain technology. Application leads technology innovation and promotes social development technology. Blockchain technology will provide new ideas for the construction of a credible society. Blockchain + digital citizenship, blockchain + supply chain finance, blockchain + poverty alleviation, blockchain + logistics and other scenes bloom. In the future, blockchain technology will be combined with smart cities, digital government, and smart medical care to empower Guiyang's digital city.