Peer-to-peer P2P Bitcoin exchanges are a great way to get bitcoins with cash. Only a legal professional can offer legal advice and Buy Bitcoin Worldwide offers no such advice with respect to the contents of its website. Chapter 1 Introduction. LocalBitcoins is private and does not require any personal details or verification, although specific sellers may request this info. Whether you are trading stocks, bonds, bitcoins, cattle, computers, or pizzas, having a marketplace to buy or sell those goods is generally beneficial to both buyers and sellers. Maybe just write a check?