From: Arthur Britto <ahbritto@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 10:05:29 -0700 [thread overview]
Message-ID: <CAFjXj6NjVnTAoKFvA==w6ZCMo7fQA-DdaVweS4scAe8M__uosA@mail.gmail.com> (raw)
In-Reply-To: <CA+8xBpdBe4yR6xkCODL6JQ41Gyx9eWcGGGvcQVt7DCmaEnAhbg@mail.gmail.com>
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I think you need the stronger change. Otherwise, the mystery miner could
just put in a few transactions to himself to mask his block. His block
would appear to be of some use while not being helpful.
-Arthur
On Thu, May 24, 2012 at 9:33 AM, 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
>
>
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next prev parent reply other threads:[~2012-05-24 17:05 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 [this message]
2012-05-24 17:13 ` Joel Joonatan Kaartinen
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
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