From: Peter Vessenes <peter@coinlab•com>
To: Jeff Garzik <jgarzik@exmulti•com>
Cc: Bitcoin Development <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] BIP 34: Block v2, Height in Coinbase
Date: Fri, 6 Jul 2012 10:02:47 -0700 [thread overview]
Message-ID: <CAMGNxUvN5fCuXsSp7a8UCgQoqMHKZPFsHkemJr7_5GSWZ0X-fA@mail.gmail.com> (raw)
In-Reply-To: <CA+8xBpdbgkzwOvyUsJYEXNMTBwuvAbFsKx2xF1s0BMPiL9n1Qw@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1332 bytes --]
On Fri, Jul 6, 2012 at 9:49 AM, Jeff Garzik <jgarzik@exmulti•com> wrote:
> On Fri, Jul 6, 2012 at 12:45 PM, Peter Vessenes <peter@coinlab•com> wrote:
> > The proposal is simple, and it's a small change for miners, I imagine.
> >
> > My question is: why?
> >
> > I worry about stuffing too many requirements on the coinbase. I suppose
> > the coinbase is easily extendible if we run out of bytes, but I think I'd
> > like to see some more discussion / good / bad type cases for making this
> > change. What do we get over just the prev_hash by doing this?
>
> With the existing setup (sans height in coinbase), you might not have
> unique transactions, with all that entails.
>
> Yes, I've experienced that myself, actually.
> > Anyway, some background would be great; if I missed it, I'm happy to go
> > read up, but I didn't see any links on the wiki.
>
> Gavin wrote some notes on upgrades and BIP16 lessons-learned at
> https://gist.github.com/2355445
>
> This is a super coherent and excellent writeup. I may come back with more
thoughts, I want to let it percolate. Thanks!
> --
> Jeff Garzik
> exMULTI, Inc.
> jgarzik@exmulti•com
>
--
------------------------------
[image: CoinLab Logo]PETER VESSENES
CEO
*peter@coinlab•com * / 206.486.6856 / SKYPE: vessenes
811 FIRST AVENUE / SUITE 480 / SEATTLE, WA 98104
[-- Attachment #2: Type: text/html, Size: 3214 bytes --]
prev parent reply other threads:[~2012-07-06 17:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-06 15:10 Jeff Garzik
2012-07-06 16:45 ` Peter Vessenes
2012-07-06 16:49 ` Jeff Garzik
2012-07-06 16:56 ` Mark Friedenbach
2012-07-06 20:02 ` Gavin Andresen
2012-07-06 20:10 ` Gregory Maxwell
2012-07-06 20:02 ` Amir Taaki
2012-07-06 17:02 ` Peter Vessenes [this message]
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=CAMGNxUvN5fCuXsSp7a8UCgQoqMHKZPFsHkemJr7_5GSWZ0X-fA@mail.gmail.com \
--to=peter@coinlab$(echo .)com \
--cc=bitcoin-development@lists$(echo .)sourceforge.net \
--cc=jgarzik@exmulti$(echo .)com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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