You may not use the Services if you are located in, or a citizen or resident of any state, country, territory or other jurisdiction that is embargoed by the United States or where your use of the Services would be illegal or otherwise violate any applicable law. You represent and warrant that you are not a citizen or resident of any such jurisdiction and that you will not use any Services while located in any such jurisdiction. You also may not use the Services if you are located in, or a citizen or resident of, any other jurisdiction where Bittrex has determined, at its discretion, to prohibit use of the Services. Bittrex may implement controls to restrict access to the Services from any jurisdiction prohibited pursuant to this Section 2.2. You will comply with this Section 2.2, even if Bittrex’s methods to prevent use of the Services are not effective or can be bypassed.
https://www.pmddtc.state.gov/embargoed_countries/ - РФ в этом списке.
Имхо, надо валить.
Особенно в свете: "You also may not use the Services if you are located in, or a citizen or resident of, any other jurisdiction where Bittrex has determined, at its discretion, to prohibit use of the Services.", что фактически дает битрекс право самой вводить собственные санкции.
Еще в саппорт напишу по поводу терминологии