Bitcoin After MIT Find Vulnerabilities, Medici Ventures Defends Blockchain Voting App Voatz Share Tweet Share Share Email Comments Jonathan Johnson, CEO of Overstock, backs Voatz app amid circulating claims of the app’s security vulnerabilities Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published.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.