From: Gregory Maxwell <greg@xiph.org>
To: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: [bitcoin-dev] Fwd: The first successful Zero-Knowledge Contingent Payment
Date: Fri, 26 Feb 2016 23:23:09 +0000 [thread overview]
Message-ID: <CAAS2fgTLE6SH1wa_0orfuYoPeu5pasumbTW446KAyGwDaGEcHA@mail.gmail.com> (raw)
In-Reply-To: <CAAS2fgT8RE7w87Yv9Be7arH-xGCtwcq0Ynbk21ZVpqJZrEN5EQ@mail.gmail.com>
On Fri, Feb 26, 2016 at 11:06 PM, Sergio Demian Lerner
<sergio.d.lerner@gmail.com> wrote:
> Congratulations!
>
> It a property of the SKCP system that the person who performed the trusted
> setup cannot extract any information from a proof?
>
> In other words, is it proven hard to obtain information from a proof by the
> buyer?
Yes, the secrecy is information theoretic (assuming no implementation
bugs); beyond the truth of the outcome. This holds even if the
initialization is malicious.
The soundness of this scheme is computational-- we're trusting a deep
stack of cryptographic assumptions that the proofs cannot be forged.
next prev parent reply other threads:[~2016-02-26 23:23 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-26 21:42 [bitcoin-dev] The first successful Zero-Knowledge Contingent Payment Gregory Maxwell
2016-02-26 23:06 ` Sergio Demian Lerner
[not found] ` <CAAS2fgT8RE7w87Yv9Be7arH-xGCtwcq0Ynbk21ZVpqJZrEN5EQ@mail.gmail.com>
2016-02-26 23:23 ` Gregory Maxwell [this message]
2016-02-26 23:33 ` Tier Nolan
2016-02-26 23:45 ` Gregory Maxwell
2016-02-26 23:56 ` Tier Nolan
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAAS2fgTLE6SH1wa_0orfuYoPeu5pasumbTW446KAyGwDaGEcHA@mail.gmail.com \
--to=greg@xiph.org \
--cc=bitcoin-dev@lists.linuxfoundation.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox