Basic research projects on blockchain technologies by Prof. Dr. Mann and colleagues funded by Metamorphoses Braun GmbH (Munich). These are a research project on changes in market structures and processes through the use of blockchains / smart contracts, which is being carried out together with Prof. Dr. Dr. Walter Blocher and Prof. Dr. Georg von Wangenheim, and a project being implemented together with Prof. Dr. Ali Sunyaev on Trusted Blockchain: Secure Blockchain Technology through Third-Party Certification.