PayPal is a reversible transaction where they know their customer (who you are paying), so they don't take risk when accepting your credit card. In BTC unless y

PayPal is a reversible transaction where they know their customer (who you are paying), so they don't take risk when accepting your credit card. In BTC unless you have it already you need to become the customer of an exchange to first buy BTC and the laws there make it such that they need government ID. There are alternatives like mining it yourself (very hard) or meeting someone in person and paying cash (you'll pay a premium).