The internet of things and innovative approaches relating thereto quickly develop. As machines more and more get designed in a way that enables them to act autonomously, companies increasingly research options as to how payments between such machines can be implemented. Dr. Sebastian Keding analyses which questions arise from a regulatory perspective in connection with such scenario. The focus of the article lies on concepts which use distributed ledger based models, such like blockchain and directed acyclic graphs (e.g. the tangle).