Kraken, Poloniex and many others are registered in USA and they are unlicensed money services business.
they will be next.
Keep trolling, Poloniex have been licensed for years.
https://poloniex.com/press-releases/2015.05.19-Open-Letter
Financial Regulator Registration Poloniex isn't a regulated platform, but it did register with the FinCEN with MSB registration number 310000918440. Note that the latter isn't required and it wouldn't represent a "recommendation, certification of legitimacy, or endorsement of the business by any government agency".
Operating License Not regulated (see Financial Regulator Registration and Service Disruptions & Unbusinesslike Conduct)
Or
http://digiconomist.net/fraud-risk-assessment-poloniex
https://cointelegraph.com/news/license-required-poloniex-bitfinex-will-stop-operations-in-washington
Poloniex don't do fiat, hence money, until such time as US laws treat crypto as money, which will be a constitutional nightmare.
The Washington laws are the states attempt to wind up crypto exchanges altogether.
Expect other states to follow. BTC-e made the mistake/choice to take fiat so they stuck their head in the noose.
There is a war on, the US government is trying to kill crypto exchanges, but they will eventually fail because the next wave is decentralized exchanges via the lightning and other side chain nets.
In the meantime, crypto exchanges will be forced to ban trade with US citizens, thus forcing crypto underground, or take the government to court on constitutional grounds.
Should be entertaining to watch.