The impact of the Internet of things (IoT) attributes for a better quality of services in several domains also in transportation. The information generated from IoT devices is essential for daily activity in the domain of transportation. For the transport activities related to dangerous goods, the information shared and exchanged by stakeholders of the supply chain for dangerous goods is considered sensitive and should be protected from the access of unauthorized parties. This paper intends to show the potential of blockchain technology for securing information generated by IoT devices in the context of transportation of dangerous goods.