I disagree tottally with the above assertion that "politicians believe that bitcoin will stop corruption".
As a matter of fact, bitcoin helps politicians to be more corrupt without anyone noticing.
So politicians like bitcoin.
They can launder money with bitcoin untraced.
I think so too. Politicians are not at all afraid of crypto currency in the sense that it can in some way stop the corruption. Since corruption is a crime, politicians will be more than happy to use crypto currency for these purposes in order to remain in the shadow. Anonymity of crypto currency can use absolutely everything, including politics.