[148500] in cryptography@c2.net mail archive
Re: [Cryptography] DNSNMC deprecates Certificate Authorities and
daemon@ATHENA.MIT.EDU (Jerry Leichter)
Tue Dec 17 22:52:35 2013
X-Original-To: cryptography@metzdowd.com
From: Jerry Leichter <leichter@lrw.com>
In-Reply-To: <6BCC5551-1C59-4EFC-AE36-E0C6C7048221@kinostudios.com>
Date: Tue, 17 Dec 2013 20:15:38 -0500
To: Greg <greg@kinostudios.com>
Cc: Cryptography <cryptography@metzdowd.com>, Ben Laurie <ben@links.org>
Errors-To: cryptography-bounces+crypto.discuss=bloom-picayune.mit.edu@metzdowd.com
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On Dec 16, 2013, at 4:33 PM, Greg 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."
All the criticisms of the "efficient solution" are irrelevant, as the =
point of the paper was that *no one knows of an efficient solution (to =
the group consensus problem) and few believe there is one*. 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 denied is =
that "Bitcoin is a decentralized currency" in the sense described in the =
paper.
Note the title of the paper! Or just read the last paragraph of the =
abstract:
"Both Bitcoin and my alternative proposal suffer from a problem for =
which there is no known solution: creating consensus in a group with =
open, changing membership. But at least my proposal fails in an energy =
efficient way, unlike Bitcoin."
-- Jerry
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<html><head></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space; =
"><div><div>On Dec 16, 2013, at 4:33 PM, Greg =
wrote:</div></div>...completely missing the point of Ben's paper. =
It really comes down to the following:<div><br></div><div>"<span =
class=3D"Apple-style-span" style=3D"font-family: CMR10; font-size: 13px; =
">So now we have either an existence proof of an efficient solution, or =
a proof that
Bitcoin doesn=92t work."</span></div><div><span class=3D"Apple-style-span"=
style=3D"font-family: CMR10; font-size: 13px; =
"><br></span></div><div><span class=3D"Apple-style-span" =
style=3D"font-family: CMR10; font-size: 13px; "><span =
class=3D"Apple-style-span" style=3D"font-family: Courier; font-size: =
medium; ">All the criticisms of the "efficient solution" are irrelevant, =
as the point of the paper was that *no one knows of an efficient =
solution (to the group consensus problem) and few believe there is one*. =
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 denied is that "Bitcoin is a decentralized currency" =
in the sense described in the paper.</span></span></div><div><span =
class=3D"Apple-style-span" style=3D"font-family: CMR10; font-size: 13px; =
"><span class=3D"Apple-style-span" style=3D"font-family: Courier; =
font-size: medium; "><br></span></span></div><div><span =
class=3D"Apple-style-span" style=3D"font-family: CMR10; font-size: 13px; =
"><span class=3D"Apple-style-span" style=3D"font-family: Courier; =
font-size: medium; ">Note the title of the paper! Or just read the =
last paragraph of the abstract:</span></span></div><div><span =
class=3D"Apple-style-span" style=3D"font-family: CMR10; font-size: 13px; =
"><span class=3D"Apple-style-span" style=3D"font-family: Courier; =
font-size: medium; "><br></span></span></div><div><span =
class=3D"Apple-style-span" style=3D"font-family: CMR10; font-size: 13px; =
"><span class=3D"Apple-style-span" style=3D"font-family: Courier; =
font-size: medium; ">"</span></span><span class=3D"Apple-style-span" =
style=3D"font-family: CMR10; font-size: 13px; ">Both Bitcoin and my =
alternative proposal suffer from a problem for which there
is no known solution: creating consensus in a group with open, changing =
membership. But at least my proposal fails in an energy efficient way, =
unlike Bitcoin."</span></div><div><div> =
=
=
-- =
Jerry</div></div><div><br></div><div><br></div><div><br></div></body></htm=
l>=
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