Blockchain technology - a distributed ledger in which transactions of all kinds of values can be carried out securely, transparently and consensually without trust in a central authority - is a socio-technical innovation that has the potential to enable new business models and make existing business models obsolete. While most applications today exist in the financial sector (e.g., payment processing), the technology is suitable for various industrial applications, especially in the area of Internet of Things (IoT) applications. This article uses three propositions and various concrete examples to shed light on the possible applications of blockchain technology for new IoT business models.