The transmission of tangible assets requires the creation of a digital twin, a digital representation or simulation of a physical object, which enables digital surveillance of the object (Deloitte, 2018a). Blockchain basics for government”, Deloitte (2017). Using other consensus mechanisms than PoW, as described in section 1.2, energy consumption can be significantly reduced. In addition, any comparison would need to consider the degree of energy efficiency in traditional centralised systems.