May people who on the top of hierarchy make this new instrument of investment?
It is very difficult to do, because bitcoin does not possess the basic properties of money: money must be secured by the value of goods and services, be a measure of prices, predictable and low inflation, free credit for business and consumer in an unlimited amount. Only modern fiat money can be considered as money in monetary theory.
Bitcoin is very similar to gold, and gold has shown its complete failure as money for the modern economy during the great depression. Let us remember how Roosevelt confiscated gold in order to somehow restart the economy, ROFL.