There must be some law or corollary to the effect of "In any decentralized network, 20% of the nodes will control 80% of the transaction value (Pareto Principle

There must be some law or corollary to the effect of "In any decentralized network, 20% of the nodes will control 80% of the transaction value (Pareto Principle)." Critical mass adoption of blockchain will just trigger major capital investments by existing centralized agencies.