:: Re: [unSYSTEM] Stealth Bitcoin Addr…
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Autor: Thomas Hartman
Datum:  
To: System undo crew
Betreff: Re: [unSYSTEM] Stealth Bitcoin Addresses
Awesome if true.
On Jan 14, 2014 5:38 PM, "Amir Taaki" <genjix@???> wrote:

> I'm not sure that's true (asked Peter about it):
>
> <petertodd> stealth addresses are "I give you a chain code, you derive new
> pubkeys with random 32-byte nonces, and then encrypt that nonce in the tx
> itself so I can decrypt it and recover the funds"
>
> if so then combined with CoinJoin this is holy-grail, and we don't need to
> worry about Twister/XMPP/BitMessage for transmitting secrets around.
>
> > So sad that you're fed up with me.
> >
> > This seems great for fairly anonymous payments.
> >
> > My only problem is if the deterministic offset n is encoded in the paying
> > transaction then anyone else you also gave that mpk to, will also see the
> > address.
> >
> > So I still really prefer some solution where payment addresses are
> > contracted and signed by a key, for either a one off payment or a
> sequence
> > of payments over a period.
> >
> > Thanks
> > Bob
> > On 14 Jan 2014 00:31, "Nicolás Mendoza" <nicolasmendo@???> wrote:
> >
> >> Thanks for using Drak in your example, I'm fed up with Bob and Alice
> >>
> >>
> >> On Tue, Jan 14, 2014 at 5:29 AM, Amir Taaki <genjix@???> wrote:
> >>
> >>> great, thanks for showing me this. I know the basic idea. The only
> >>> thing
> >>> I'd add is that once you know the nonce, that the payor doesn't need to
> >>> recreate these txs repeatedly. So when I pay Drak, I only need to do
> >>> this the first ever time I pay Drak.
> >>>
> >>> On 13/01/14 19:49, Drak wrote:
> >>> > Have you guys seen this discussion on the bitcoin mailing list (and
> >>> now
> >>> > there is a working
> >>> > implementation):
> >>> http://sourceforge.net/mailarchive/message.php?msg_id=31813471
> >>> >
> >>> > Seems to be a major step forward in terms of privacy. Probably needs
> >>> a
> >>> > few more technical eyes on it but it looks really promising.
> >>> >
> >>> > Drak
> >>> >
> >>> >
> >>> > _______________________________________________
> >>> > unSYSTEM mailing list: http://unsystem.net
> >>> > https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem
> >>> >
> >>>
> >>>
> >>> _______________________________________________
> >>> unSYSTEM mailing list: http://unsystem.net
> >>> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem
> >>>
> >>>
> >>
> >>
> >> --
> >> Nicolas Mendoza
> >>
> >> PhD Researcher
> >> School of Creative Media
> >> City University of Hong Kong
> >> China PDR - HKSAR
> >>
> >>
> >> _______________________________________________
> >> unSYSTEM mailing list: http://unsystem.net
> >> https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/unsystem
> >>
> >>
> > _______________________________________________
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> >
>
>
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