There is a list of restricted countries unfortunately:
Afghanistan, Bosnia and Herzegovina, Central African Republic, China, Crimea, Cuba, Democratic Republic of the Congo, Democratic People's Republic of Korea, Eritrea, Ethiopia, Guinea-Bissau, Iran, Iraq, Libya, Lebanon, New Zealand, Somalia, South Sudan, Sudan, Syria, Sri Lanka, Tunisia, United States of America, Vanuatu, and Yemen
For US citizens, we can only accept accredited investors with assets greater than $1m and annual salary greater than $250k per year, because of SEC laws.
~ Pete Mardell, CEO TriForce Tokens
Really interesting and diverse group of countries.But their loss i guess.Still shame for US tho,big market.