Cases such as blockchain-based financing platforms, carbon emissions markets, effective contract management and a concept for global action and infrastructure monitoring are expected to address some of the key challenges facing sustainable infrastructure investment, and can have a high impact on the fulfilment of investment objectives. The relevant stakeholders on intergovernmental, supranational, national, business and private consumer levels prospectively hold different roles and responsibilities in initiating, developing, and provisioning such blockchain systems. Initially, the overall concept and envisioned application with its main functionalities are outlined.