Bitcoin Alleged second teen mastermind behind Twitter’s ‘Bitcoin giveaway’ hack Share Tweet Share Share Email Comments Graham Ivan Clark may not be the only juvenile responsible for the massive Twitter breach on July 15. Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published.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.