Erik Voorhees Reacts as Elon Musk Names Big Hurdle in Getting to Mars Bitcoiner Erik Voorhees responded to Elon Musk’s tweet about big obstacle in flying to Mars anytime soon Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. Filed under: Bitcoin - @ January 1, 1970 12:00 am