[Bitcoin-development] MtGox blames bitcoin

naman naman namanhd at gmail.com
Thu Feb 13 12:20:55 UTC 2014

Hi guys,

I with all thats happening now I think (yea no hard proof) most of it is
being done on purpose (transaction mutation) by some pool/entity.
I have posted here https://bitcointalk.org/index.php?topic=463350.0 of how
to go about finding out if its some pool doing it. This does in no way
solve "fix" the malleability issue BUT IMHO it might help "alleviate" the
problem we are facing at a network level.
Please have a look if possible.

Kind Regards,

On Wed, Feb 12, 2014 at 2:26 AM, naman naman <namanhd at gmail.com> wrote:

> Gregory Maxwell says : "Try paying a consultant if your ego demands that
> you have a technical
> expert to entertain your musing with immediate response."
> I don't know why your resorting to such an adhominem. But I have already
> said that you were the only one who responded. Your response was correct as
> is reflected in the conversation on the forums. No doubting that. But it
> does not address the full scope of the attack where a small pool would
> intentionally (or out of whatever reason) make the hash invalid for the txs
> they recieve. So that leaves a whole lot of businesses in the lurch who
> have relied on txid (albeit wrongly that) for their tracking purposes.
> Thats all I'm trying to say, without blaming anyone.
> Hope it makes sense.
> On Wed, Feb 12, 2014 at 2:19 AM, Gregory Maxwell <gmaxwell at gmail.com>wrote:
>> On Tue, Feb 11, 2014 at 12:42 PM, naman naman <namanhd at gmail.com> wrote:
>> > I was talking about a DOS attack in
>> > https://bitcointalk.org/index.php?topic=458608.0 (ofcourse only
>> applicable
>> > to entitys doing the tracking with txids).
>> >
>> > Amazing how I did not get a response from any of the devs (except Greg's
>> > response
>> > https://bitcointalk.org/index.php?topic=458608.msg5063789#msg5063789but
>> > that too was short and not concerning the attack scenario plausibiity
>> as I
>> > replied to him).
>> Try paying a consultant if your ego demands that you have a technical
>> expert to entertain your musing with immediate response.
>> My response was absolutely relevant.
>> If you reissue a transaction without respending the prior transactions
>> coins, you will end up double paying. Only spending the inputs in
>> question can prevent the prior transaction (itself or in other form)
>> from going through.
>> Once you respend the inputs there is no risk of actually losing funds
>> due to an issue regardless of how you track coins in your higher level
>> application.
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