Our government no ban Bitcoin o. The idea of a ban from years back was from the CBN as one means to grow the Naira which was wrong and e raise reactions from various pro Bitcoin firms, investors and even get to the feds itself before, them make matters clear to be, not actually in support of the innovation rather than accepting.
As a means to protect it’s citizen from possible scams and from not being a victim of ignorance.

In the event that your investigated about your source of funds, I’ll say you don’t be shifty, you be open and bold. Should you be shifty, it sends a bad signal and that be some reason to seek out something incriminating in your dealings. That would be bad for you, really!