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Where did it come from? Andrew Smithset off to find Satoshi Nakamoto, the mysterious genius behind the hit e-currency:. Is he saying that Szabo is Satoshi?
Well, when I came up with b-money I was still in college, or just recently graduated, and Nick was at a similar age when he came up with bit gold, so I think Satoshi could be someone like that. Someone young, with the energy for that kind of commitment? What made you sure? Two reasons , he replies. Indeed, by , the bit-gold inventor is blogging in defence of bitcoin, pointing out several improvements on the system he devised.
The full emails are being provided publicly by Wei Dai to support his judgment that Satoshi is not Nick Szabo:. Nick considers his ideas to be at least an independent invention from b-money so why would Satoshi say expands on your ideas into a complete working system to me, and cite b-money but not Bit Gold in his paper, if Satoshi was Nick? The title does not mention Bitcoin, and the abstract is not identical to the final one, which is slightly better written eg no broadcasted typo ; a word-level diff of the abstracts using Mergeley.
The bit about Adam Back has been mentioned before; on 18 April , Adam Back posted to the BitcoinTalk forums a self-introduction mentioning that. Alas I own not a single bitcoin which is kind of ironic as the actual bitcoin mining is basically my hashcash invention…. If anyone has a copy of it or a tip as to where it might be or who might have it stashed away, please contact me. It would likely shed some further insight on the development of Bitcoin and how Satoshi had his key insight of proof-of-work.
A request on the original cryptography mailing list yielded a SHA hash of a draft paper earlier than the current bitcoin. Is this the earliest draft of the paper, the one Satoshi sent to Wei Dai? Home Site Me New: Emails 1 2 3 See Also External links. Andrew Smithset off to find Satoshi Nakamoto, the mysterious genius behind the hit e-currency: The full emails are being provided publicly by Wei Dai to support his judgment that Satoshi is not Nick Szabo: Emails 1 Satoshi Nakamoto: Friday, August 22, 4: Citation of your b-money page I was very interested to read your b-money page.
I'm getting ready to release a paper that expands on your ideas into a complete working system. I need to find out the year of publication of your b-money page for the citation in my paper. You can download a pre-release draft at http: A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without the burdens of going through a financial institution.
Digital signatures offer part of the solution, but the main benefits are lost if a trusted party is still required to prevent double-spending. We propose a solution to the double-spending problem using a peer-to-peer network. The network timestamps transactions by hashing them into an ongoing chain of hash-based proof-of-work, forming a record that cannot be changed without redoing the proof-of-work.
The longest chain not only serves as proof of the sequence of events witnessed, but proof that it came from the largest pool of CPU power. As long as honest nodes control the most CPU power on the network, they can generate the longest chain and outpace any attackers. The network itself requires minimal structure. Messages are broadcasted on a best effort basis, and nodes can leave and rejoin the network at will, accepting the longest proof-of-work chain as proof of what happened while they were gone.
Satoshi The title does not mention Bitcoin, and the abstract is not identical to the final one, which is slightly better written eg no broadcasted typo ; a word-level diff of the abstracts using Mergeley. Alas I own not a single bitcoin which is kind of ironic as the actual bitcoin mining is basically my hashcash invention… The pre-release draft link is now broken. I have tried to refind it: This is however an earlier draft than the final draft on bitcoin. Satoshi says in the Dai email that the URL is Here's the archived post: Thanks for letting me know about your paper.
I'll take a look at it and let you know if I have any comments or questions. Saturday, January 10, Citation of your b-money page I wanted to let you know, I just released the full implementation of the paper I sent you a few months ago, Bitcoin v0.
Details, download and screenshots are at www. The system is entirely decentralized, without any server or trusted parties. The network infrastructure can support a full range of escrow transactions and contracts, but for now the focus is on the basics of money and transactions. There was a discussion of the design on the Cryptography mailing list.
Hal Finney gave a good high-level overview: One thing I might mention is that in many ways bitcoin is two independent ideas: Solving the global, massively decentralized database problem is arguably the harder part, as James emphasizes.
The use of proof-of-work as a tool for this purpose is a novel idea well worth further review IMO.