Blockchain is not just for bitcoin, it's a powerful business tool being utilized in insurance, aeronautics, shipping, and more. Subscribe to Fortune - http://www.youtube.com/subscription_center?add_user=FortuneMagazineVideo FORTUNE is a global leader in business journalism with a worldwide circulation of more than 1 million and a readership of nearly 5 million, with major franchises including the FORTUNE 500 and the FORTUNE 100 Best Companies to Work For.