It's also completely contrived. Being digital means infinitely replicable, or thereabouts. Do we really need this game of artificial scarcity?
People used to talk about things like property records, but if this realm of artificial scarcity is going to interface with the realm of actual scarcity in the real world, it's still going to need the systems of adjudication that already exist in the real world.
Code is law. But law is not code, otherwise legal disputes would have long since been settled and we wouldn't need systems of courts and various legal avenues to surface new areas of contention and revisit old areas in new light.
If the above wasn't an issue. How do you get past the resource hogginess? These things are currently handling a minuscule portion, if that, of what their proponents propose they take on, and they are already comically massive resource hogs. How can they scale?