On the afternoon of November 10th, the 2019 Cryptography Economics Seminar was officially opened at the Huashang International Conference Center in Nan'an District, Chongqing. Yu Jianing, founder of the University of Fire Capital, gave a speech on the theme of "The Voice of the Cryptography Era: Smart Business Transformation". Yu Jianing said that the legal digital currency in the era of cryptoeconomics will bring low cost, high efficiency, stability and security, and payment. Record the four major changes in controllable anonymity, transaction digitization and intelligence. Yu Jianing believes that the blockchain is largely a branch of the crypto-economy. Under the application of the crypto-economy, the transaction of all things will bring about a sharp leap in economic benefits and a great increase in productivity.