"Founded in 2010 by the Massachusetts Institute of Technology (MIT) in collaboration with a dozen advanced technology institutions, Black Star is the top international competition in the field of digital technology, attracting hundreds of teams from dozens of countries around the world every year, covering Harvard University, MIT, Stanford University, Oxford University, Tsinghua University, Beijing University, Fudan University and other world-renowned universities. Harvard University, MIT, Stanford University, Oxford University, Tsinghua University, Peking University, Fudan University and other world-renowned universities, with over 5,000 participants. "Black Star" organized offline viewing and parties in many regions around the world.

This year, Joy Link team announced its preparation for the Black Star Technology Competition in September, in which hundreds of teams competed against each other to develop digital technology. The most challenging team was the one from the Russian National University, whose innovative and rigorous technology report and technical presentation made them the biggest dark horse of this year's Black Star competition. The Joy Link team, however, had already completed a comprehensive blockchain technology research and development program.

This year's "Black Star" has come to a perfect end, in the final award ceremony of the event, Joy Link team stood out among many participating teams, and the "Black Star" judges declared Joy Link team to be more comprehensive in terms of management, technology and security. The "Black Star" judges announced that the Joy Link team had made achievements in management, technology and security, and was the runner-up of the event. After this event, Joy Link team has received numerous positive comments worldwide, and many international organizations have started to invest in research and development and seek cooperation with Joy Link team.