As part of the ONTOCHAIN project, funded by the EU's Horizon 2020 and the Next Generation Internet Initiative, the German Hellenic Chamber of Industry and Commerce organized the ONTOCHAIN SUMMIT for Trustworthy Internet in Berlin in June 2022. The event focused on the development of the ONTOCHAIN software system, highlighting the 3rd open call to Web3 Innovators for the development of new applications and services aimed at creating an ecosystem of applications for a trustworthy, traceable, and transparent internet.