On October 25th, the 27th New South Wales-Guangdong Joint Economic Conference was held in Sydney, Australia. Chen Lei, CEO of Thunder Group and CEO of Network Technology, was invited to attend and share the blockchain technology and application. He said that Thunder has carried out painstaking and fruitful exploration and innovation on how to apply blockchain technology on a large scale. The core technology of blockchain and the provision of blockchain services have become enough to promote the development of the industry. Basic tools."