Ineresting numbers in this article on the distribution of btc nodes.

40%+ in USA, then Europe then well almost no one.

http://bitcoinalgorithm.com/news/usa-control-of-bitcoin-nodes/

So maybe the US regulations pushes btc out into a broader network, a good thing for wealth distribution world wide.

So much for Satoshi being from Japan, they are not even 2% of the node network.