Well to me I won't encourage anyone who have crypto knowledge bitcoin precisely to go involve themselves in this kind of investment because naira can't give a profit that bitcoin would give you in a 4 years time although I believe that Naira is a kind of stable currency whereby you won't have fear to lose your investment sooner or later but bitcoin is a kind of volatile asset that can lose it value at any given time due to the volatility nature so therefore bitcoin still posses the value of investment than naira or even dollars.
Investment like this are not even reliable, it is not possible to get some shares in this banks and in the future. Most people who partake in buying shares like this they don't even have any access to what they have invested. This investment is not n investment the common man need invest his or her money because at the end of the day it will be a lose. It is just better to think of other good investment even if it is not bitcoin investment. Invest in something that you are sure about and I have access to it at anytime and not on what you need to pass through so many difficult protocol to access it and at the end no still access.