From: Andy Parkins <andyparkins@gmail•com>
To: "Michael Grønager" <gronager@ceptacle•com>
Cc: bitcoin-development@lists•sourceforge.net
Subject: Re: [Bitcoin-development] Protocol extensions
Date: Thu, 22 Dec 2011 11:52:38 +0000 [thread overview]
Message-ID: <201112221152.38639.andyparkins@gmail.com> (raw)
In-Reply-To: <23F92B83-4E96-401B-8A1C-3E6FE9DD8A8B@ceptacle.com>
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On 2011 December 22 Thursday, Michael Grønager wrote:
> But, there is in fact a subtle difference: If anyone can choose to verify
> at random, you will see lazy implementations where random means none, and
> as it is random you cannot, from the outside, judge if a node is taking
> part in the validation work or if it just benefitting from others
> announcements. In the hash space part, you can monitor peers and see if
> they did not tell you about a failed validation and then disconnect from
> them as they are either malicious or lazy.
Why should they have to? Joining the network as a node is very low cost to
the other nodes. You can't force any node not to be lazy, since their option
is to disconnect themselves. As to maliciousness, that is defended against
because when a node negative announces a transaction, that transaction is
going to be checked (note that there is still no implicit trust) -- if a node
is incorrectly negative-announcing then it can justifiably be kicked.
> Besides from that, I like a setup where we scream about failed
> verifications, but keep a low profile on things that actually verifies...
Me too. It's important though to distinguish between "you must be verifying"
and "if you do verify, you must be honest about it". No node should be forced
to do any work it doesn't want to; but they should be forced to be truthful
about the work they choose to do.
Andy
--
Dr Andy Parkins
andyparkins@gmail•com
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next prev parent reply other threads:[~2011-12-22 11:52 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-17 7:41 Eric Lombrozo
2011-12-17 13:13 ` Michael Grønager
2011-12-17 13:37 ` Christian Decker
[not found] ` <CABsx9T0puk3CWH1cfNHMSVEoCPaLJJWNJ+H5ObCERZrzMbrTyA@mail.gmail.com>
2011-12-17 19:06 ` Gavin Andresen
2011-12-17 21:49 ` theymos
2011-12-18 0:44 ` Jordan Mack
2011-12-18 1:07 ` Jeff Garzik
2011-12-18 1:27 ` Jordan Mack
2011-12-18 14:16 ` Andy Parkins
2011-12-18 17:09 ` theymos
2011-12-18 18:06 ` Alan Reiner
2011-12-18 18:47 ` Amir Taaki
2011-12-18 19:37 ` Jorge Timón
2011-12-17 19:28 ` Gregory Maxwell
2011-12-17 20:34 ` Christian Decker
2011-12-18 21:19 ` Stefan Thomas
2011-12-19 21:43 ` Jordan Mack
2011-12-20 9:10 ` Wladimir
2011-12-20 10:44 ` Nicolas Fischer
2011-12-21 0:47 ` Kyle Henderson
2011-12-21 8:50 ` Michael Grønager
2011-12-21 11:42 ` Eric Lombrozo
2011-12-21 12:41 ` Michael Grønager
2011-12-21 16:10 ` Christian Decker
2011-12-22 9:18 ` Michael Grønager
2011-12-22 10:12 ` Andy Parkins
2011-12-22 10:27 ` Michael Grønager
2011-12-22 11:52 ` Andy Parkins [this message]
2011-12-22 12:14 ` Joel Joonatan Kaartinen
2011-12-22 12:26 ` Christian Decker
2011-12-22 12:42 ` Michael Grønager
2011-12-22 14:46 ` Andy Parkins
2011-12-25 2:55 ` Zell Faze
2011-12-21 17:17 ` Jordan Mack
2011-12-22 9:19 ` Michael Grønager
2011-12-21 6:19 Eric Lombrozo
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