Why did Facebook slow this project? I think the states of the world became uneasy. The dominant states in the world are still evaluating this. Because the situation is that Facebook can become stronger than many states.
The total market cap of the whole cryptocurrency market is less than trillion, I doubt the newly launched Libra project will surpass the total valuation of any state funds. The Facebook team stood well after the few threats by the several EEA countries, the end of the traditional banking is near.