From http://ift.tt/2vbbJBe (see bolded): 2.1 Eligibility. Bittrex may not make all of the Services available in all markets and jurisdictions, and may restrict or prohibit use of all or a portion of the Services from certain states, territories, or jurisdictions (“Restricted Locations”). At this time, Restricted Locations include, but are not limited to, several U.S. states: AK, AR, CA, CT, FL, HI, ID, IA, KS, KT, LA, MD, MI, MS, NC, ND, NE, NH, NV, OH, OK, PA, SD, TX, VT, VA, WA, WY, and PR. The Services are intended solely for users who are 18 or older. You represent and warrant that you: (a) are of legal age to form a binding contract (at least 18 years old in the U.S.); (b) have not previously been suspended or removed from using our Services; (c) have full power and authority to enter into this agreement and in doing so will not violate any other agreement to which you are a party; (d) are not located in, under the control of, or a national or resident of (i) any Restricted ...