From: Pieter Wuille <pieter.wuille@gmail•com>
To: Ben Reeves <support@pi•uk.com>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Duplicate transactions vulnerability
Date: Thu, 1 Mar 2012 00:45:59 +0100 [thread overview]
Message-ID: <20120229234558.GA6573@vps7135.xlshosting.net> (raw)
In-Reply-To: <20120229232029.GA6073@vps7135.xlshosting.net>
On Wed, Feb 29, 2012 at 11:00:42PM +0000, Ben Reeves wrote:
> I'm not sure. What if they use a coinbase of a block that has already matured?
Indeed; duplicate an old coinbase, fork chain without dupe, and spend the old coinbase.
The 100-blocks maturity will not help against is.
I'm not sure how you intend to fix DisconnectBlock() to prevent this in a backward-
compatible way, though.
--
Pieter
next prev parent reply other threads:[~2012-02-29 23:46 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-28 16:48 Pieter Wuille
2012-02-28 17:12 ` Brautigam Róbert
2012-02-28 17:18 ` Pieter Wuille
2012-02-28 18:10 ` Gavin Andresen
2012-02-28 18:23 ` Luke-Jr
2012-02-28 20:24 ` Pieter Wuille
2012-02-28 20:35 ` Ben Reeves
2012-02-29 1:41 ` Zooko Wilcox-O'Hearn
2012-02-29 16:47 ` Pieter Wuille
2012-02-29 17:02 ` Amir Taaki
2012-02-29 21:00 ` Stefan Thomas
2012-02-29 22:05 ` Ben Reeves
2012-02-29 22:38 ` Matt Corallo
2012-02-29 22:46 ` Gavin Andresen
2012-02-29 23:00 ` Ben Reeves
[not found] ` <20120229232029.GA6073@vps7135.xlshosting.net>
2012-02-29 23:45 ` Pieter Wuille [this message]
2012-03-01 10:15 ` Ben Reeves
2012-03-01 13:09 ` Ben Reeves
2012-03-01 14:27 ` Gregory Maxwell
2012-03-01 17:20 ` Ben Reeves
2012-03-01 14:30 ` Pieter Wuille
2012-03-02 1:56 ` Pieter Wuille
2012-03-03 16:41 ` Pieter Wuille
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