It can be like that.
But we don't know who they are. They (politicians) are very diligence to hide them self.
Also many of them, especially financial politicians are very smart to read the situation. They even More clever than us on this topic (crypto world).
Domithra :
Politicians do not want to announce it to the public because they fear the power cryptocurrency give to the people in terms of owning absolute control over their own transactions without any middle man interruption.
I don't think so. Most of them ,may be, just shy to the public.
But also, may be yes. May some of them are fear, like you said above .