Can Blockchain be used in Germany?

Could you please elaborate on the potential applications of Blockchain technology in Germany? Is there any specific sector or industry where its utilization seems particularly promising? What are the challenges and obstacles that Germany might face in integrating Blockchain into its systems? Additionally, are there any existing examples or case studies of successful Blockchain implementations in Germany that we could draw inspiration from? How do experts and authorities in Germany perceive the future of Blockchain within the country? Thank you for your insights.