Railways around the world are moving towards digitalization to enhance their operations. The integration of railway data with other transport modes data becomes a vital part of the next generation of digital transport systems. One of the challenges for further digitization is data integration and security. This situation remains a challenge across organizations and industry boundaries. The blockchain is a new technology that might have the potential for acting as an enabler for the data integration and security challenge. In this paper a moderate literature review on the use of blockchain around different industries, in particular IoT applications, and in the railway context has been demonstrated. Opportunities and challenges that the blockchain technology can offer for the railway industry has been outlined.The paper has also looked at railway related blockchain current and potential applications. A simple analysis of the technology for the potential adoption rate has also been discussed. It was found that the blockchain can offer a number of benefits including added security and decentralization, however it will have a moderate technology adoption rate before it reaches it is transformative impact. In order to overcome some the adoption rate barriers in the railways, the author has developed a speech recognition and mobility based interface that can be utilized across different transport organizations, which can help in the data collection and pave the way for block chain applications. The solution was given the name of "inspectro".