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From: Wladimir <laanwj@gmail.com>
To: Jeff Garzik <jgarzik@bitpay.com>
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] On OP_RETURN in upcoming 0.9 release
Date: Mon, 24 Feb 2014 17:39:37 +0100	[thread overview]
Message-ID: <CA+s+GJC1FgCW9spkViMPvuWNS84Ys33pj=RP1ZpzBCa++e-iMQ@mail.gmail.com> (raw)
In-Reply-To: <CAJHLa0PXHY1qisXhN98DMxgp11ouqkzYMBvrTTNOtwX09T1kZg@mail.gmail.com>

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On Mon, Feb 24, 2014 at 5:03 PM, Jeff Garzik <jgarzik@bitpay.com> wrote:

> A common IRC proposal seems to lean towards reducing that from 80.
> I'll leave it to the crowd to argue about size from there. I do think
> regular transactions should have the ability to include some metadata.
>

I'd be in favor of bringing it down to 40 for 0.9.

That'd be enough for <8 byte header/identifier><32 byte hash>.

80, as the standard line length, is almost asking for "insert your graffiti
message here". I also see no need for 64 bytes hashes such as SHA512 in the
context of bitcoin, as that only offers 256-bit security (at most) in the
first place.

And if this is not abused, these kind of transactions become popular, and
more space is really needed, the limit can always be increased in a future
version.

Wladimir

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  parent reply	other threads:[~2014-02-24 16:39 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-24 16:03 [Bitcoin-development] On OP_RETURN in upcoming 0.9 release Jeff Garzik
2014-02-24 16:16 ` Pieter Wuille
2014-02-24 16:32   ` Jeff Garzik
2014-02-24 16:33   ` Jeff Garzik
2014-02-24 16:39 ` Wladimir [this message]
2014-02-24 16:45   ` Gavin Andresen
2014-02-24 16:50     ` Pavol Rusnak
2014-02-24 17:23   ` Mark Friedenbach
2014-02-24 23:06     ` Andreas Petersson
2014-02-24 23:13       ` Gregory Maxwell
2014-02-24 23:13       ` Luke-Jr
2014-02-28  5:25     ` Troy Benjegerdes
2014-02-28 14:42       ` Warren Togami Jr.
2014-02-28 19:25         ` Mark Friedenbach
2014-02-28 19:36           ` Justus Ranvier
2014-02-28 20:10         ` Drak
2014-02-24 17:10 ` Jeff Garzik
2014-02-24 22:12 ` Jeremy Spilman
2014-02-24 22:50   ` Jeff Garzik

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