https://www.quora.com/What-does-the-White-House-think-of-cryptocurrencies-such-as-bitcoin

Ed Felten, Deputy U.S. Chief Technology Officer of The US gvt has keenly watching the debate as they are interested in the outcome.
Claims there is no participation.

I am also watching with interest the debate within the Bitcoin community about the block size limit. (To be clear, the government is paying attention to that debate but are not participating in it.) This is a challenge to Bitcoin’s governance model, because it requires the community to come to a consensus on an issue where there seem to be high stakes and plausible arguments on each side.