public inbox for bitcoindev@googlegroups.com
 help / color / mirror / Atom feed
From: Jeff Garzik <jgarzik@exmulti•com>
To: Alan Reiner <etotheipi@gmail•com>
Cc: Bitcoin Development <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Bitcoin TX fill-or-kill deterministic behavior
Date: Thu, 12 Apr 2012 15:26:25 -0400	[thread overview]
Message-ID: <CA+8xBpctyu=VHQJMUiENY7q82hsP5Eti7gc9r4QT6aRwWsNE+A@mail.gmail.com> (raw)
In-Reply-To: <CALf2ePzvwW6VU0YA+6WNCBHzK2rGc5p1uXGvbYG2uS__S-bjoQ@mail.gmail.com>

On Thu, Apr 12, 2012 at 3:19 PM, Alan Reiner <etotheipi@gmail•com> wrote:
> My one big concern about this that users find a way to exploit this behavior
> for themselves.  If it's too easy for users to create tx they know will get
> stuck and expire, it's no different than letting them cancel their zero-conf
> transactions.  i.e. I pay 0.5 BTC in a store for a candy bar, so I send it
> using a combination of inputs and fees that I know will lead to it being
> stuck and expire.
>
> On the other hand, if such conditions are deterministic enough, it could be
> detected by the recipient and flagged.
>
> It's not a huge deal, but it's something to consider.

Do you have a -specific- concern that you feel may be exploited?

Expiration already occurs at random, as nodes shut down and restart,
log on and log off the network.

-- 
Jeff Garzik
exMULTI, Inc.
jgarzik@exmulti•com



  reply	other threads:[~2012-04-12 19:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-12 18:38 Jeff Garzik
2012-04-12 19:19 ` Alan Reiner
2012-04-12 19:26   ` Jeff Garzik [this message]
2012-04-13  8:35 ` Andy Parkins
2012-04-13 10:04 ` Mike Hearn
2012-04-13 16:41   ` Jeff Garzik
2012-04-14 15:13     ` Mike Hearn
2012-04-14 20:20       ` Jeff Garzik
2012-04-14 21:27         ` Pieter Wuille
2012-04-14 22:49           ` Jeff Garzik
2012-04-15  8:12         ` Andreas Schildbach
2012-04-15 10:54 ` Jorge Timón
2012-04-15 15:17   ` Jeff Garzik

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='CA+8xBpctyu=VHQJMUiENY7q82hsP5Eti7gc9r4QT6aRwWsNE+A@mail.gmail.com' \
    --to=jgarzik@exmulti$(echo .)com \
    --cc=bitcoin-development@lists$(echo .)sourceforge.net \
    --cc=etotheipi@gmail$(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