public inbox for bitcoindev@googlegroups.com
 help / color / mirror / Atom feed
From: Joel Joonatan Kaartinen <joel.kaartinen@gmail•com>
To: Jeff Garzik <jgarzik@exmulti•com>
Cc: Bitcoin Development <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Punishing empty blocks?
Date: Thu, 24 May 2012 20:13:32 +0300	[thread overview]
Message-ID: <CAGKSKfUzTce+d_nyWvHeXc9vdXu=34oRgaL=tbLrvO00iwuyNQ@mail.gmail.com> (raw)
In-Reply-To: <CA+8xBpdBe4yR6xkCODL6JQ41Gyx9eWcGGGvcQVt7DCmaEnAhbg@mail.gmail.com>

[-- Attachment #1: Type: text/plain, Size: 1941 bytes --]

I think the strong verification would go well if you add it along with an
optimization that avoids rechecking transactions that have already been
verified as valid. Any transactions it doesn't have to verify are from the
pool, of course :)

On Thu, May 24, 2012 at 7:33 PM, Jeff Garzik <jgarzik@exmulti•com> wrote:

> There appears to be some non-trivial mining power devoted to mining
> empty blocks.  Even with satoshi's key observation -- hash a fixed
> 80-byte header, not the entire block -- some miners still find it
> easier to mine empty blocks, rather than watch the network for new
> transactions.
>
> Therefore I was wondering what people thought about a client
> implementation change:
>
>     - Do not store or relay empty blocks, if time since last block < X
>       (where X = 60 minutes, perhaps)
>
> or even stronger,
>
>     - Ensure latest block includes at least X percent of mempool
> unconfirmed TXs
>
> The former is easier to implement, though there is the danger that
> no-TX miners simply include a statically generated transaction or two.
>
> The latter might be considered problematic, as it might refuse to
> relay quickly found blocks.
>
> Comments?  It wouldn't be a problem if these no-TX blocks were not
> already getting frequent (1 in 20).
>
> --
> Jeff Garzik
> exMULTI, Inc.
> jgarzik@exmulti•com
>
>
> ------------------------------------------------------------------------------
> Live Security Virtual Conference
> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists•sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>

[-- Attachment #2: Type: text/html, Size: 2628 bytes --]

  parent reply	other threads:[~2012-05-24 17:13 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-24 16:33 Jeff Garzik
2012-05-24 17:05 ` Arthur Britto
2012-05-24 17:13 ` Joel Joonatan Kaartinen [this message]
2012-05-24 17:23   ` Jeff Garzik
2012-05-24 17:27 ` Robert McKay
2012-05-24 18:16   ` Jeff Garzik
2012-05-24 20:31 ` Luke-Jr
2012-05-24 21:00   ` Jeff Garzik
2012-05-25  0:45 ` Luke-Jr
2012-05-25  0:51   ` Jeff Garzik
2012-05-25  0:57     ` Luke-Jr
2012-05-25  1:17       ` Jeff Garzik
2012-05-25  7:47         ` Christian Decker
2012-05-25 13:44           ` Alan Reiner
2012-05-25 14:00             ` Peter Vessenes
2012-05-25  1:00     ` Gregory Maxwell
2012-05-26  5:03 ` Zooko Wilcox-O'Hearn
2012-05-26 11:52   ` Stefan Thomas
2012-05-28 14:54     ` Peter Vessenes
     [not found]       ` <1338222334.48856.YahooMailNeo@web121001.mail.ne1.yahoo.com>
2012-05-28 16:25         ` [Bitcoin-development] Fw: " Amir Taaki
2012-05-29  8:52       ` [Bitcoin-development] " Michael Grønager
2012-05-29 14:47         ` Luke-Jr
2012-05-29 15:05           ` Peter Vessenes
2012-05-29 15:18             ` Luke-Jr
2012-05-29 15:28               ` Peter Vessenes
2012-05-29 15:34                 ` Luke-Jr
2012-05-29 15:36                   ` Peter Vessenes
2012-05-29 15:39                     ` Luke-Jr
2012-05-29 15:45                       ` Peter Vessenes
2012-05-29 16:30     ` Rebroad (sourceforge)
2012-05-29 15:33 ` Gregory Maxwell

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='CAGKSKfUzTce+d_nyWvHeXc9vdXu=34oRgaL=tbLrvO00iwuyNQ@mail.gmail.com' \
    --to=joel.kaartinen@gmail$(echo .)com \
    --cc=bitcoin-development@lists$(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