The test is quite simple: * It's an investment of money * There is an expectation of profits from the investment * The investment is in a common enterprise * Any profit comes from the efforts of the one offering the investment or a third party
Cryptocurrency trading in general could be either but ICOs are clearly in the security category.
I would be curious to see Wyoming etc. try to overturn Supreme Court's decision on SEC vs. Howey. If they are successful it will be the end of SEC and the public markets in the US as we know them.
Re: Liechtenstein. They don't have a stock exchange so they don't have anything to lose.