From: "R.A. Hettinga" <r...@shipwright.com> To: cypherpu...@al-qaeda.net, gold-silver-cry...@rayservers.com Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Subject: Fwd: Bitcoin P2P e-cash paper Mime-Version: 1.0 (Apple Message framework v929.2) Date: Sat, 1 Nov 2008 20:20:14 -0400 References: <CHILKAT-MID-dd013ecc-8c7f-fc14-b1c5-cc9fd0181098@server123>
Begin forwarded message: > From: "Satoshi Nakamoto" <sato...@vistomail.com> > Date: October 31, 2008 2:10:00 PM GMT-04:00 > To: cryptogra...@metzdowd.com > Subject: Bitcoin P2P e-cash paper > > I've been working on a new electronic cash system that's fully > peer-to-peer, with no trusted third party. > > The paper is available at: > http://www.bitcoin.org/bitcoin.pdf > > The main properties: > Double-spending is prevented with a peer-to-peer network. > No mint or other trusted parties. > Participants can be anonymous. > New coins are made from Hashcash style proof-of-work. > The proof-of-work for new coin generation also powers the > network to prevent double-spending. > > Bitcoin: A Peer-to-Peer Electronic Cash System > > Abstract. 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 provide 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. > > Full paper at: > http://www.bitcoin.org/bitcoin.pdf > > Satoshi Nakamoto > > --------------------------------------------------------------------- > The Cryptography Mailing List > Unsubscribe by sending "unsubscribe cryptography" to majord...@metzdowd.com _______________________________________________ cryptography mailing list cryptography@randombit.net http://lists.randombit.net/mailman/listinfo/cryptography
