Well, he may have been working on it, but he released the Bitcoin implementation several months after he released the whitepaper. He released the white paper t

Well, he may have been working on it, but he released the Bitcoin implementation several months after he released the whitepaper. He released the white paper to the public on Oct 31/Nov. 1 2008, and the actual Windows client (the initial client) on Jan 3, 2009. I don't have time to dig up links at the moment, but you can check the cryptography list archives for confirmation.