They are using a private Blockchain. This means a blockchain where to participate you need to be approved by a single party or a consortium. In my opinion if

They are using a private Blockchain. This means a blockchain where to participate you need to be approved by a single party or a consortium. In my opinion if your blockchain is private then you might be better off using an existing database technology centrally controlled and allowing people to participate via an API. Expecting people to install Blockchain nodes locally to participate in this scheme might be expecting too much. The problem is that when software updates are required, which they will be, you have the job of coordinating updates across a node infrastructure installed in many companies and locations. If it goes wrong you have a chain split. Another problem is that the people who recommend or buy into the Blockchain hype might not have the skills to properly asses it's appropriateness to certain business cases.