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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next parent 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 ` [Bitcoin-development] Fwd: Live mtgox.com trade matching bug 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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