A method can include obtaining a physical commodity that is divided into one or more physical units. The method can further include storing the physical commodity in a secure vault. Additionally, a map can be utilized to subdivide each of the one or more physical units into a plurality of segments. Each of the plurality of segments can be tangible portions of the physical unit that are distinct and identifiable. Subdividing each of the one or more physical units can render the physical units unaltered. Further, the map can be utilized to assign ownership of the plurality of segments to one or more owner users. The method can additionally include receiving an instruction to transfer ownership of a particular segment of the plurality of segments from a particular owner user to a buying user, and assigning in the map ownership of the particular segment to the buying user.