In recent years, there has been increasing competition between metropolises and regions for the settlement of companies from new industries. These companies depend on a good digital infrastructure and skilled workers for future technologies. In addition to traditional digital service providers such as hosting companies, application developers or platform providers, developers of artificial intelligence, blockchain technologies and security and encryption tools are increasingly focusing on use cases in the public sphere (BNP Paribas Real Estate in https://www.realestate.bnpparibas.de/blog/trends/smart-city-die-digitale-transformation-der-staedte , 2024).