Whitepaper

1. Private email (Adam Back)

   Citation of your Hashcash paper

   20 August 2008, 17:30 UTC

   I'm getting ready to release a paper that references your Hashcash paper and I wanted to make sure I have the citation right. Here's what I have: [5] A. Back, "Hashcash - a denial of service counter-measure,"…

2. Private email (Adam Back)

   RE: Citation of your Hashcash paper

   21 August 2008, 17:59 UTC

   Thanks, I wasn't aware of the b-money page, but my ideas start from exactly that point. I'll e-mail him to confirm the year of publication so I can credit him. The main thing my system adds is to also use proof-of-work to support a…

3. Private email (Wei Dai)

   Citation of your b-money page

   22 August 2008, 16:38 (time as published; timezone not given)

   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. Adam Back (hashcash.org) noticed the similarities and pointed me to your site. I need to find…

4. bitcoin.org

   Bitcoin: A Peer-to-Peer Electronic Cash System

   31 October 2008

   Bitcoin: A Peer-to-Peer Electronic Cash System Satoshi Nakamoto satoshin@gmx.com www.bitcoin.org Abstract. A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without…

5. Cryptography mailing list (metzdowd)

   Bitcoin P2P e-cash paper

   31 October 2008, 18:10 UTC

   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…

6. Cryptography mailing list (metzdowd)

   Bitcoin P2P e-cash paper

   9 November 2008, 01:58 UTC

   Hal Finney wrote: Right, nodes keep transactions in their working set until they get into a block. If a transaction reaches 90% of nodes, then each time a new block is found, it has a 90% chance of being in it. That does not need to be…

7. Cryptography mailing list (metzdowd)

   Bitcoin P2P e-cash paper

   17 November 2008, 17:24 UTC

   James A. Donald wrote: I mean a node only needs the pending-tx pool for the best branch it has. The branch that it currently thinks is the best branch. That's the branch it'll be trying to make a block out of, which is all it needs the…

8. Private email (Wei Dai)

   Re: Citation of your b-money page

   10 January 2009, 11:17 (time as published; timezone not given)

   I wanted to let you know, I just released the full implementation of the paper I sent you a few months ago, Bitcoin v0.1. Details, download and screenshots are at www.bitcoin.org I think it achieves nearly all the goals you set out to…

9. Private email (Adam Back)

   Re: Citation of your Hashcash paper

   10 January 2009, 18:46 UTC

   Thanks for the pointers you gave me to Wei Dai's b-money paper and others. I just released the open source implementation of my paper, Bitcoin v0.1. Details, download and screenshots are at www.bitcoin.org The main idea of the system is…

10. Private email (Mike Hearn)

    Questions about BitCoin

    12 April 2009, 22:44 (time as published; timezone not given)

    Hi Mike, I'm glad to answer any questions you have. If I get time, I ought to write a FAQ to supplement the paper. There is only one global chain. The existing Visa credit card network processes about 15 million Internet purchases per day…

11. Private email (Mike Hearn)

    Questions about BitCoin

    13 April 2009, 23:00 (time as published; timezone not given)

    Mike Hearn wrote: My best guess - it is the length of the global chain, and the rapid advance at the start is as the software downloads and verifies the preceding blocks in the chain as being valid. Right. I'm trying to think of more…

12. Private email (Martti Malmi)

    Re: Bitcoin

    3 May 2009, 22:32 UTC

    mmalmi@cc.hut.fi wrote: That would be great! I added you (dmp1ce) as a dev to the sourceforge project and gave you access to edit the web space and everything. Definitely. This will be an absolutely essential feature once things get…

13. Private email (Martti Malmi)

    Re: Bitcoin

    4 May 2009, 15:51 UTC

    Oh crap, I got your sourceforge usernames mixed up, sorry about that. I clicked on the wrong e-mail when I was looking for your username. You now have access. Your FAQ looks good so far! You can create whatever you want on…

14. BitcoinTalk

    Re: They want to delete the Wikipedia article

    20 July 2010, 18:38 UTC

    Bitcoin is an implementation of Wei Dai's b-money proposal http://weidai.com/bmoney.txt on Cypherpunks http://en.wikipedia.org/wiki/Cypherpunks in 1998 and Nick Szabo's Bitgold proposal…

15. Private email (Martti Malmi)

    Re: Fwd: Bitcoin question

    25 January 2011, 18:34 UTC

    The paper was published in 2008. Someone needs to correct Wikipedia; it incorrectly says the paper was published in 2009. The paper was released earlier than the software. mmalmi@cc.hut.fi wrote:

16. Private email (Mike Hearn)

    Open sourced my Java SPV impl

    9 March 2011, 17:15 (time as published; timezone not given)

    I hope you are doing well. I finally got all the lawyers happy enough to release BitCoinJ under the Google name using the Apache 2 license: It's incomplete - notably it doesn't properly handle block chain splits yet - but the rest is…

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