I’ve done some work in the supply chain space around blockchain; the problem is that in many industries there is already an oligopoly of 2 or 3 companies that c

I’ve done some work in the supply chain space around blockchain; the problem is that in many industries there is already an oligopoly of 2 or 3 companies that control things. They have no incentive to give up any amount of control; instead preferring to lock their customers in to their products and platforms. Governments are the same in an international sense. The technical problems are solvable. The political ones are not.