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Date: Tue, 28 Jun 2011 08:35:59 +0200
Message-ID: <BANLkTi=RASna0vQ0bYGc8ApWC++PsNqSAg@mail.gmail.com>
From: Mike Hearn <mike@plan99.net>
To: Doug Huff <dhuff@jrbobdobbs.org>
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Cc: Bitcoin Dev Development <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Fwd: Live mtgox.com trade matching bug.
Precedence: list

Hi Doug,

Could we keep the Mt Gox related stuff off bitcoin-development please?
It's not related to the core software.

On Tue, Jun 28, 2011 at 4:48 AM, Doug Huff <dhuff@jrbobdobbs.org> wrote:
>
>
> 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 enoug=
h 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 p=
ublicly show how this order will never execute:
>>
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>> Welcome <username removed> 0.00000000 =E0=B8=BFTC 424.44901
>> Buying =C2=A0138468.901 =C2=A00.01 =C2=A0Active =C2=A01384.69 =C2=A006/2=
6 15:27 =C2=A0cancel
>> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D
>>
>> I cannot guarantee this order will execute but from everything I've obse=
rved 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 i=
t is only a display bug.
>>
>> --
>> Douglas Huff
>>
>>
>
> --
> Doug Huff
>
>
>
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