Avoid using PayPal. They prohibit direct dealing and you will run into multiple problems if you use them.
Brokerage such as eToro and Robinhood do not deal with cryptocurrencies they give you shares that have the same value as Bitcoin.
you speculate on the price and not the currency itself, and your account may be blocked because it is a central platform.


Using Bitcoin requires decentralized there are many of them you can find many ways to buy by peer-to-peer.