Private Keys You will generate a private key which is like a secret code that gives you ownership of the public address. Now 11 years later, the Bitcoin whitepaper remains the founding document that birthed the cryptocurrency revolution. Two firsts today! Make sure that you complete the necessary research about the other party involved before you either buy or sell your Bitcoin. Interested in purchasing your first bitcoin from one of our machines? Find us for the first time in Cape Coral, Florida.