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From: Doug Huff <dhuff@jrbobdobbs•org>
To: Bitcoin Dev Development <bitcoin-development@lists•sourceforge.net>
Subject: [Bitcoin-development] Fwd: Live mtgox.com trade matching bug.
Date: Mon, 27 Jun 2011 21:48:17 -0500	[thread overview]
Message-ID: <C9421AA2-D741-4989-9DA8-395D1F532F52@jrbobdobbs.org> (raw)
In-Reply-To: <D024B465-AD6C-4AAD-A07F-956223929B6F@jrbobdobbs.org>


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Begin forwarded message:

> From: Doug Huff <mith@jrbobdobbs•org>
> Date: June 27, 2011 9:46:13 PM CDT
> To: full-disclosure@lists•grok.org.uk, "Mt.Gox" <info@mtgox•com>
> Cc: Bitcoin Dev Development <bitcoin-development@lists•sourceforge.net>
> Subject: Live mtgox.com trade matching bug.
> 
> Step 1: Have USD available for spending on mtgox.com.
> Step 2: Put in a buy order large enough to drain your account. Low enough under the current trading price that it will not execute immediately.
> Step 3: Withdraw all USD funds.
> Step 4: Wait for market to fall enough to meet your order.
> Step 5: ...(self explanatory)...
> 
> There's a bit of luck in being able to take advantage, obviously.
> 
> I would suggest you take the site down asap until this is corrected or publicly show how this order will never execute:
> 
> ==========
> Welcome <username removed> 0.00000000 ฿TC 424.44901
> Buying  138468.901  0.01  Active  1384.69  06/26 15:27  cancel
> ==========
> 
> I cannot guarantee this order will execute but from everything I've observed about the new trade matching code I have no reason to believe it will not.
> 
> At the very least this could be used to influence market conditions if it is only a display bug.
> 
> -- 
> Douglas Huff
> 
> 

-- 
Doug Huff



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       reply	other threads:[~2011-06-28  2:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <D024B465-AD6C-4AAD-A07F-956223929B6F@jrbobdobbs.org>
2011-06-28  2:48 ` Doug Huff [this message]
2011-06-28  6:35   ` Mike Hearn
2011-06-28  6:57     ` Luke-Jr
2011-06-28  9:52       ` Mike Hearn
2011-06-28 11:54         ` Matt Corallo
2011-06-28 13:24     ` Doug Huff

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