The vision of Tools Chain is to become a world-class blockchain cloud technology service platform. Tools Chain provides mature solutions and application tools to help blockchain practitioners efficiently handle cumbersome problems, thereby enabling them to focus more on their unique high value-added commercial application development and achieve faster and more returns with less effort. Tools Chain encourages the sharing of high-quality applications among industry practitioners to promote industry development. The goal of Tools Chain is to become a promoter of blockchain technology and a leader in technological innovation. Building a "road and infrastructure" that better serves the public in the world of blockchain....