Bitcoin Billionaire investor Sam Zell questions Tesla and Bitcoin, predicts workers will return to offices, and warns the US dollar could be replaced as the world’s reserve currency in a new interview. – Business Insider Share Tweet Share Share Email Comments Billionaire investor Sam Zell questions Tesla and Bitcoin, predicts workers will return to offices, and warns the US dollar could be replaced as the world’s reserve currency in a new interview. Business Insider Related Items: Share Tweet Share Share Email Click to comment Leave a Reply Cancel replyYour email address will not be published.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.