[148509] in cryptography@c2.net mail archive

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Re: [Cryptography] DNSNMC deprecates Certificate Authorities and

daemon@ATHENA.MIT.EDU (Ben Laurie)
Wed Dec 18 18:05:14 2013

X-Original-To: cryptography@metzdowd.com
In-Reply-To: <29BCFE68-007F-409D-ABFE-5068DC706F98@kinostudios.com>
Date: Wed, 18 Dec 2013 22:50:27 +0000
From: Ben Laurie <ben@links.org>
To: Greg <greg@kinostudios.com>
Cc: Jerry Leichter <leichter@lrw.com>, Cryptography <cryptography@metzdowd.com>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com

On 18 December 2013 22:44, Greg <greg@kinostudios.com> wrote:
> On Dec 17, 2013, at 8:15 PM, Jerry Leichter <leichter@lrw.com> wrote:
>
> ...completely missing the point of Ben's paper.  It really comes down to =
the
> following:
>
> "So now we have either an existence proof of an efficient solution, or a
> proof that Bitcoin doesn=92t work."
>
>
> [..]
>
> The paper is offered as a proof by contrapositive that "Bitcoin doesn't
> work" - though you have to read that phrase in context.  What's being den=
ied
> is that "Bitcoin is a decentralized currency" in the sense described in t=
he
> paper.
>
>
> As far as I was able to tell, the paper was a restatement of the well-kno=
wn
> 51% problem.

Let us suppose for a moment that this is correct. What is the
well-known solution to the well-known 51% problem?
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