:: Re: [unSYSTEM] ZeroCash - zero know…
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Lähettäjä: Marvin Fernandes
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Vastaanottaja: System undo crew
Kopio: System undo crew
Aihe: Re: [unSYSTEM] ZeroCash - zero knowledge proof, seems promising
A ring-signature-group of People may be adressed as "oraganized crime"
Or "t3rror org" as soon as Someone runs An illigit operAtion through the ring?

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Marvin Fernandes
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Verstuurd vanaf mijn Sinclair Spectrum

> Op 20 mei 2014 om 02:57 heeft Kristov Atlas <author@???> het volgende geschreven:
>
> You join a group of people (ring) and share pubkeys, forming an aggregate ring pubkey. The crypto works so that others can confirm that a tx was signed with the appropriate privkey to spend, but they won't be able to tell which party in the ring signed it. I imagine this could work ad hoc using another party to orchestrate (e.g. obelisk server) or it could be arranged ahead of time and be performed asynchronously. All the parties need to do is exchange pubkeys, they don't need to continue signing each tx in the future. I'm not sure on this, but it may be even possible to scale that ring up to the size of all users of a crypto-currency willing to pre-publish their pubkey.
>
> More details: http://en.wikipedia.org/wiki/Ring_signature
>
> I talked about this in the most recent episode of Dark News (timestamp in the video description):     https://www.youtube.com/watch?v=s1oGuJv-Mbs

>
> -Kristov
>
>> On 05/19/2014 08:44 PM, Chris Pacia wrote:
>> How do the ring signatures work in practice? Does it still require connecting to server sending the outputs, disconnecting/reconnecting, sending the inputs to remain private? Or can you just upload one chunk of data to the server?
>>
>>> On 05/19/2014 05:00 PM, Kristov Atlas wrote:
>>> A multi party protocol for distributing the responsibility of generating that entropy might help.
>>>
>>> Right now I'm more excited about the ring signature tech going into the next version of Darkcoin's DarkSend. What do people think about ring signatures?
>>>
>>> -Kristov Atlas
>>>
>>> On May 19, 2014, at 13:04, Thomas Hartman <thomas@???> wrote:
>>>
>>>> You have to trust whoever generates the entropy for super duper private key as a one time thing. Otherwise the key owner can steal coins.
>>>>
>>>> Seems like a showstopper to me.
>>>>
>>>> Maybe doable with side chains, so if any one chain is compromised the other chains can still work.
>>>>
>>>> But we don't have side chains.
>>>>
>>>> So, it's very proof of concept and maybe in the future.
>>>>
>>>>
>>>>> On Mon, May 19, 2014 at 9:16 AM, Amir Taaki <genjix@???> wrote:
>>>>> http://zerocash-project.org/media/pdf/zerocash-extended-20140518.pdf
>>>>>
>>>>>
>>>>>
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