[foofus-tools] off-Topic: Bitcoin and password cracking?

Richard Miles richard.k.miles at googlemail.com
Mon Aug 22 13:25:41 PDT 2011


Hi Tak

Thanks for answer and it make sense. But what about Bitcoin to crack
password hashes or own profit?

Thanks

On Mon, Aug 22, 2011 at 12:37 PM, tak shacks <tak.31337 at gmail.com> wrote:
> It made some good points about how using the bitcoin currency is a good way
> to stay anonymous when trying to scam people. If you have them send money to
> an address, or account it's difficult to stay anonymous unless the account
> is someone elses and compromised. with bitcoin it's all virtual so anonymity
> is possible.
>
> On Sun, Aug 21, 2011 at 11:04 AM, Richard Miles
> <richard.k.miles at googlemail.com> wrote:
>>
>> Hi foofus members,
>>
>> First of all sorry for off-topic, but this sound interesting and I
>> know that foofus guys are always playing with everything that is
>> related with hacking and password cracking so I decided to send it
>> here, I hope you don't mind.
>>
>> I never used Bitcoins and it's not very popular with my circle of
>> friend, but a presentation entitled "Hacking the Global Economy with
>> GPUs or How I Learned to Stop Worrying and Love Bitcoin" called my
>> attention, however it's very confuse (at least to me).
>>
>>
>> http://this-download-would-be-faster-with-a-premium-account-at-good.net/dl/1483089/0/0/1313942385/219be7f80763b020d6319ca8e9afaa03e0a035d9/k4r3lj/DEFCON19/DEFCON-19-Skunkworks-Bitcoin.pdf
>>
>> I'm a bit unsure about what is the goal of the preso and real usage of
>> GPUs and hash cracking with bitcoins. The author gave the idea that it
>> can be used as a botnet and since there is a lot of GPU systems it
>> could be a wonderful network for distributed hash password cracking if
>> the price to do it is acceptable (since Amazon EC2 is expensive).
>> Anyone has any experience with it?
>>
>> Or, maybe the goal of this people is just use Bitcoin to be rich with
>> all this power based on the GPUs "printing" money, which also is a
>> confusing concept to me and Wikipedia say it may not be that easy
>> anymore
>>
>> "The proof-of-work problems are especially suitable to GPUs and
>> specialized hardware. Because of the growing computing power behind
>> the system driving the difficulty to high levels, individual
>> contributors with typical CPUs are no longer likely to solve a block
>> on their own but can still receive part of the Bitcoin generated in a
>> new block by contributing their processing power to a mining pool.[26]
>> This increased difficulty makes it cost prohibitive for an attacker to
>> perform double-spending attacks so it is beneficial to the system."
>>
>> All answers are very welcome and sorry for off-topic.
>>
>> Cheers
>> _______________________________________________
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>
>
>
> --
> Regards,
>               -tak
> __________________________________________________________________________________
>
> ~tak
> http://www.taksmind.org/
> https://edge.launchpad.net/~tak
> irc.esper.net         - tak
> irc.freenode.com   - tak11
>
>
>
>
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