Buy Bitcoin Worldwide, nor any of its owners, employees or agents, are licensed broker-dealers, investment advisors, or hold any relevant distinction or title with respect to investing. It’s all explained in our guide on how to buy bitcoins with PayPal. It depends how much you trust the exchanges. Buy Bitcoin Worldwide is for educational purposes only. LocalBitcoins is a decentralized exchange, where users can trade in-person and the site acts as an escrow system.