From: Brandon Smith <freedom@reardencode•com>
To: Gregory Maxwell <greg@xiph•org>,
Bitcoin Protocol Discussion
<bitcoin-dev@lists•linuxfoundation.org>
Cc: sara.tucci@cea•fr, Onder.GURCAN@cea•fr, a.ranchalpedrosa@gmail•com
Subject: Re: [bitcoin-dev] A BIP proposal for transactions that are 'cancellable'
Date: Thu, 6 Sep 2018 13:32:44 -0700 [thread overview]
Message-ID: <20180906203244.GQ62902@hank.reardencode.com> (raw)
In-Reply-To: <CAAS2fgQqer6nMXXdcuoXE8UyJokuLTTLBwT+w0tH2+BA2gDu0w@mail.gmail.com>
I made a similar proposal about 7 months ago, and documented some of the
discussion points here:
https://github.com/reardencode/bips/blob/reverselocktime/bip-0zzz.mediawiki
On 2018-09-06 (Thu) at 15:16:34 +0000, Gregory Maxwell via bitcoin-dev wrote:
> Functionality such as this does not currently exist not because no one
> thought of it before, but because it has been proposed many times
> before and determined to be harmful. The existing design of CLTV/CSV
> were carefully constructed to make it impossible for a transaction to
> go from valid to invalid based on the time. The most naive
> construction-- e.g. push the current time/height on the stack-- would
> have that property and was specifically avoided.
>
> When a spend goes from valid to invalid it means that a reorganization
> will destroy coins even completely absent any dishonest actions of the
> coins prior owner in the coins recent casual history. Effectively a
> coin with any kind of non-monotone validity event in its recent
> history functions like a recently generated coin: a coin that reorgs
> destroy. Bitcoin addresses the issue for recently generated coins by
> not permitting their use for 100 blocks. I've yet to see an argument
> for a use case for non-monotone validity that still sounds useful once
> the negative effects are addressed (e.g. by subjecting coins that have
> gone through them to a maturity limitation).
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists•linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
next prev parent reply other threads:[~2018-09-06 20:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-06 9:19 Alejandro Ranchal Pedrosa
2018-09-06 13:31 ` Matt Corallo
[not found] ` <CABaiX-2L9oVdta=aRH91uE=iPRv4cX6zU0=+oF+2oWqnu=64YQ@mail.gmail.com>
2018-09-06 16:33 ` Matt Corallo
2018-09-07 7:07 ` Alejandro Ranchal Pedrosa
2018-09-06 15:16 ` Gregory Maxwell
2018-09-06 20:32 ` Brandon Smith [this message]
2018-09-07 5:02 ` Terry McLaughlin
2018-09-07 7:12 ` Alejandro Ranchal Pedrosa
2018-09-07 12:51 ` Brandon Smith
2018-09-07 13:47 ` TUCCI Sara
2018-09-06 16:14 ` vizeet srivastava
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=20180906203244.GQ62902@hank.reardencode.com \
--to=freedom@reardencode$(echo .)com \
--cc=Onder.GURCAN@cea$(echo .)fr \
--cc=a.ranchalpedrosa@gmail$(echo .)com \
--cc=bitcoin-dev@lists$(echo .)linuxfoundation.org \
--cc=greg@xiph$(echo .)org \
--cc=sara.tucci@cea$(echo .)fr \
/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