And perhaps best of all, there is no general authority, like a centralized banking system, to supervise and interfere with your transactions … or charge you exorbitant banking fees! Buy Bitcoin Worldwide is for educational purposes only. Buy Bitcoin Worldwide receives compensation with respect to its referrals for out-bound crypto exchanges and crypto wallet websites. Then in the s along came those marvelous automated teller machines, ATMs, making banking possible without a brick-and-mortar building. Bitcoin ATM Map. Buy Bitcoin Worldwide does not promote, facilitate or engage in futures, options contracts or any other form of derivatives trading.