From an analytical perspective, payment systems typically increase in value as more people use a system and the more attractive it becomes to others. In addition, there is an inverse relationship between the volume of users of a system and the cost of production—more users lower the cost of production.
And any attempt to turn back time, any attempt to isolate one country from the rest of the world is not only a pipe dream; it is a perilous dream. 2/3  BIS central bankers' speeches  That is particularly true in the case of finance and banking.