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From: Aaron Gustafson <jag426@cornell.edu>
To: Matt Whitlock <bip@mattwhitlock.name>
Cc: bitcoin-dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] User vote in blocksize through fees
Date: Fri, 12 Jun 2015 11:56:34 -0700	[thread overview]
Message-ID: <CAAocdpzYbCf6Tmhi6FvThPpEX4Hj4X+BPcPrNtpCK95yJmxM4g@mail.gmail.com> (raw)
In-Reply-To: <1900349.Piv8ps0gCz@crushinator>

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For the purposes of finding the median, halve < same < double. It will only
change if a majority of non-apathetic votes are for halve or a majority of
non-apathetic votes are for double.

On Fri, Jun 12, 2015 at 11:54 AM, Matt Whitlock <bip@mattwhitlock.name>
wrote:

> On Friday, 12 June 2015, at 7:44 pm, Peter Todd wrote:
> > On Fri, Jun 12, 2015 at 02:36:31PM -0400, Matt Whitlock wrote:
> > > On Friday, 12 June 2015, at 7:34 pm, Peter Todd wrote:
> > > > On Fri, Jun 12, 2015 at 02:22:36PM -0400, Matt Whitlock wrote:
> > > > > Why should miners only be able to vote for "double the limit" or
> "halve" the limit? If you're going to use bits, I think you need to use two
> bits:
> > > > >
> > > > >         0 0 = no preference ("wildcard" vote)
> > > > >         0 1 = vote for the limit to remain the same
> > > > >         1 0 = vote for the limit to be halved
> > > > >         1 1 = vote for the limit to be doubled
> > > > >
> > > > > User transactions would follow the same usage. In particular, a
> user vote of "0 0" (no preference) could be included in a block casting any
> vote, but a block voting "0 0" (no preference) could only contain
> transactions voting "0 0" as well.
> > > >
> > > > Sounds like a good encoding to me. Taking the median of the three
> > > > options, and throwing away "don't care" votes entirely, makes sense.
> > >
> > > I hope you mean the *plurality* of the three options after throwing
> away the "don't cares," not the *median*.
> >
> > Median ensures that voting "no change" is meaningful. If "double" + "no
> > change" = 66%-1, you'd expect the result to be "no change", not "halve""
> > With a plurality vote you'd end up with a halving that was supported by
> > a minority.
>
> Never mind. I think I've figured out what you're getting at, and you're
> right. We wouldn't want "halve" to win on a plurality just because the
> remaining majority of the vote was split between double and
> remain-the-same. Good catch. :)
>
>
> ------------------------------------------------------------------------------
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>



-- 
J. Aaron Gustafson
Cornell University '16 | Computer Science, Engineering | Mathematics, Arts
& Sciences
Vice President, Kappa Delta Rho
jag426@cornell.edu | Ithaca, New York

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  reply	other threads:[~2015-06-12 18:57 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-12 18:11 [Bitcoin-development] User vote in blocksize through fees Peter Todd
2015-06-12 18:20 ` Mark Friedenbach
2015-06-12 18:26   ` Matt Whitlock
2015-06-12 18:36     ` Peter Todd
2015-06-12 18:56     ` Jannes Faber
     [not found]       ` <CABr1YTfowMqgDZoWhDXiM0Bd3dwhVo6++FOvLntGc2HkApEbGw@mail.gmail.com>
2015-06-12 20:04         ` Eric Lombrozo
2015-06-12 23:01           ` Vincent Truong
2015-06-12 23:11             ` Luke Dashjr
2015-06-12 23:23           ` Aaron Gustafson
2015-06-12 18:22 ` Matt Whitlock
2015-06-12 18:34   ` Peter Todd
2015-06-12 18:36     ` Matt Whitlock
2015-06-12 18:39       ` Benjamin
2015-06-12 18:47         ` Peter Todd
2015-06-12 18:44       ` Peter Todd
2015-06-12 18:52         ` Matt Whitlock
2015-06-12 18:54         ` Matt Whitlock
2015-06-12 18:56           ` Aaron Gustafson [this message]
2015-06-13 22:20 ` Danny Thorpe
2015-06-13 22:24   ` Eric Lombrozo
2015-06-14  4:55   ` Chun Wang
2015-06-14  4:59     ` Jeff Garzik
2015-06-14  5:08     ` Eric Lombrozo
2015-06-14  5:13       ` Jeff Garzik
2015-06-14  5:20         ` Eric Lombrozo
2015-06-14  5:36           ` Jeff Garzik
2015-06-14 10:06             ` Mats Henricson
2015-06-14 10:34               ` Benjamin
2015-06-14 15:07                 ` Jeff Garzik
2015-06-14 21:59                   ` odinn
2015-06-14 20:10                 ` Eric Lombrozo
2015-06-14 14:42               ` Jeff Garzik
2015-06-14 22:26                 ` Mike Hearn
2015-06-15  3:59             ` Eric Lombrozo
2015-06-14  4:16 ` Stephen
2015-06-14  4:50   ` Eric Lombrozo
2015-06-14  4:56   ` Jeff Garzik
2015-06-14  7:19 ` Ashley Holman
2015-06-13 23:57 Raystonn
2015-06-14  4:28 ` odinn
2015-06-14  5:46   ` Aaron Voisine
2015-06-14 21:38     ` odinn

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