Disclaimer: Buy Bitcoin Worldwide is not offering, promoting, or encouraging the purchase, sale, or trade of any security or commodity. However, exchanges will let you buy any amount, and you can buy less than one bitcoin. Related: Bitcoin boom may be a disaster for the environment. Buy Bitcoin Worldwide does not promote, facilitate or engage in futures, options contracts or any other form of derivatives trading. The internet made information global and easy to access. So is there anything truly valuable about bitcoin?