How Bitcoin Begun In Oct 2008, Nakamoto introduced for the cryptography mailing list at metzdowd.com: "I have been working on a whole new electronic dollars process which is absolutely peer-to-peer, without reliable third party. The proof of work technique plus the chaining of blocks make blockchain modifications very hard, https://johnn764znb9.blogspothub.com/36100233/the-basic-principles-of-bitcoin