Bitcoin ‘Robinhood Influencer’ Wants the Winklevoss Twins to Explain Bitcoin to Him Share Tweet Share Share Email Comments Dave Portnoy, also known as Davey Day Trader, now wants to learn how to buy Bitcoin from the Winklevoss twins. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published.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. Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.