Alright lets talk about bitcoin and other similar coins a little bit, Its theoretically a sound currency backed by book keeping, but it will never build wealth in the economy and hence have no value as such other than the agreement between two people, the one that is providing and the one that is receiving it, hence it is completely and in entirety a social contract only, not a real currency. No wonder we now have a horde of stable digital coins like USDT etc. backed by the wealth building assets like bonds and real estate.
