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+Date: Wed, 29 Feb 2012 09:02:29 -0800 (PST)

+From: Amir Taaki <zgenjix@yahoo.com>

+To: "bitcoin-development@lists.sourceforge.net"

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+Subject: Re: [Bitcoin-development] Duplicate transactions vulnerability

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+

+---1562933420-65607732-1330534949=:81609

+Content-Type: text/plain; charset=us-ascii

+

+I support BIP 30.

+

+I gave it a thought. The other ways of resolving this issue, all have various niggles. This is the best way.

+

+

+________________________________

+ From: Pieter Wuille <pieter.wuille@gmail.com>

+To: Zooko Wilcox-O'Hearn <zooko@zooko.com>

+Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>

+Sent: Wednesday, February 29, 2012 4:47 PM

+Subject: Re: [Bitcoin-development] Duplicate transactions vulnerability

+

+On Tue, Feb 28, 2012 at 06:41:31PM -0700, Zooko Wilcox-O'Hearn wrote:

+> Could you spell out the attack explicitly? Presumably there aren't a

+> lot of people with the "malice energy" to perform the attack but not

+> to figure it out for themselves. I, however, have the "niceness

+> energy" to think about it for a few minutes but not to figure it out

+> for myself. If in your opinion it is realistically dangerous to post

+> it publicly, would you be so kind as to include me in the private

+> sharing of the explanation?

+

+It's not exactly a secret anymore, as the patch also references it.

+Russell O'Connor described the attack on his blog:

+http://r6.ca/blog/20120206T005236Z.html

+

+--

+Pieter

+

+------------------------------------------------------------------------------

+Virtualization & Cloud Management Using Capacity Planning

+Cloud computing makes use of virtualization - but cloud computing

+also focuses on allowing computing to be delivered as a service.

+http://www.accelacomm.com/jaw/sfnl/114/51521223/

+_______________________________________________

+Bitcoin-development mailing list

+Bitcoin-development@lists.sourceforge.net

+https://lists.sourceforge.net/lists/listinfo/bitcoin-development

+---1562933420-65607732-1330534949=:81609

+Content-Type: text/html; charset=us-ascii

+

+<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>I support BIP 30.</span></div><div><span><br></span></div><div><span>I gave it a thought. The other ways of resolving this issue, all have various niggles. This is the best way.</span></div><div><br></div> <div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "> <div style="font-size: 12pt; font-family: 'times new roman', 'new york', times, serif; "> <div dir="ltr"> <font size="2" face="Arial"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Pieter Wuille &lt;pieter.wuille@gmail.com&gt;<br> <b><span style="font-weight: bold;">To:</span></b> Zooko Wilcox-O'Hearn &lt;zooko@zooko.com&gt; <br><b><span style="font-weight: bold;">Cc:</span></b> Bitcoin Dev &lt;bitcoin-development@lists.sourceforge.net&gt; <br> <b><span style="font-weight: bold;">Sent:</span></b> Wednesday,

+ February 29, 2012 4:47 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [Bitcoin-development] Duplicate transactions vulnerability<br> </font> </div> <br>

+On Tue, Feb 28, 2012 at 06:41:31PM -0700, Zooko Wilcox-O'Hearn wrote:<br>&gt; Could you spell out the attack explicitly? Presumably there aren't a<br>&gt; lot of people with the "malice energy" to perform the attack but not<br>&gt; to figure it out for themselves. I, however, have the "niceness<br>&gt; energy" to think about it for a few minutes but not to figure it out<br>&gt; for myself. If in your opinion it is realistically dangerous to post<br>&gt; it publicly, would you be so kind as to include me in the private<br>&gt; sharing of the explanation?<br><br>It's not exactly a secret anymore, as the patch also references it.<br>Russell O'Connor described the attack on his blog:<br>http://r6.ca/blog/20120206T005236Z.html<br><br>-- <br>Pieter<br><br>------------------------------------------------------------------------------<br>Virtualization &amp; Cloud Management Using Capacity Planning<br>Cloud computing makes use of virtualization - but cloud

+ computing <br>also focuses on allowing computing to be delivered as a service.<br>http://www.accelacomm.com/jaw/sfnl/114/51521223/<br>_______________________________________________<br>Bitcoin-development mailing list<br><a ymailto="mailto:Bitcoin-development@lists.sourceforge.net" href="mailto:Bitcoin-development@lists.sourceforge.net">Bitcoin-development@lists.sourceforge.net</a><br><a href="https://lists.sourceforge.net/lists/listinfo/bitcoin-development" target="_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-development</a><br><br><br> </div> </div> </div></body></html>

+---1562933420-65607732-1330534949=:81609--

+

+