From: Mike Hearn <mike@plan99.net>
To: Peter Todd <pete@petertodd.org>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Anti DoS for tx replacement
Date: Thu, 18 Apr 2013 11:32:28 +0200 [thread overview]
Message-ID: <CANEZrP1NgAyw_FL0LNHMejL_QcZ5ib2mjvbZ=NqZ0za7vY-L0g@mail.gmail.com> (raw)
In-Reply-To: <20130418092824.GA10184@savin>
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> ...and actually, that's not a problem if the defender is online, because
> they can just broadcast the highest sequence numbered tx, which blocks
> further broadcasts by the attacker.
Good point - transactions can be ordered by highest version seen before
they're signature checked. Even without that improvement it's still rather
tricky to win the race though.
I'm intending on making a prototype for myself at some point soon, probably
in bitcoinj. I've been making notes and writing some initial code - I did
successfully replace a transation on my own little testnet, then I figured
I'd submit the patch so it's easier for others to play with it. But I
haven't got the whole thing working end to end yet.
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next prev parent reply other threads:[~2013-04-18 9:40 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-16 17:39 [Bitcoin-development] Anti DoS for tx replacement Mike Hearn
2013-04-16 18:43 ` Peter Todd
2013-04-17 9:48 ` Mike Hearn
2013-04-17 19:44 ` Alan Reiner
2013-04-18 6:07 ` John Dillon
2013-04-18 8:14 ` Peter Todd
2013-04-19 4:38 ` John Dillon
2013-04-19 4:55 ` Jeff Garzik
2013-04-18 8:32 ` Mike Hearn
2013-04-18 9:04 ` Peter Todd
2013-04-18 9:28 ` Peter Todd
2013-04-18 9:32 ` Mike Hearn [this message]
2013-04-18 9:28 ` Mike Hearn
2013-04-18 9:34 ` Mike Hearn
2013-04-18 10:08 ` Peter Todd
2013-04-18 10:19 ` Mike Hearn
2013-04-18 13:37 ` Gavin Andresen
[not found] ` <CAD0SH_WOG8jQvzsNzwud3fYjaxqTJo0CS7yP6XZeKvap_yqtqg@mail.gmail.com>
2013-04-17 9:19 ` Mike Hearn
2013-04-20 1:48 Jeremy Spilman
2013-07-18 11:13 ` Peter Todd
2013-07-18 12:53 ` Jeff Garzik
2013-07-18 13:43 ` Peter Todd
2013-07-18 16:09 ` Peter Todd
2013-04-20 20:51 Jeremy Spilman
2013-04-22 11:07 ` Mike Hearn
2013-04-23 12:40 ` John Dillon
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