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From: Anthony Towns <aj@erisian.com.au>
To: Andrew Poelstra <apoelstra@wpsoftware.net>,
	Bitcoin Development Mailing List <bitcoindev@googlegroups.com>
Subject: Re: [bitcoindev] Re: [BIP Proposal] Limit ScriptPubkey Size >= 520 Bytes Consensus.
Date: Sat, 4 Oct 2025 02:15:37 +1000	[thread overview]
Message-ID: <aN_2qZzAu9gxa1h0@erisian.com.au> (raw)
In-Reply-To: <aN_k1EAXZ0schWDs@mail.wpsoftware.net>

On Fri, Oct 03, 2025 at 02:59:32PM +0000, Andrew Poelstra wrote:
> If "it's cheaper to use witness data" were enough of a barrier, nobody
> would be using OP_RETURN outputs today except for opentimestamps and
> maybe some other super-low-load applications.

It isn't chepaer to use witness data until you're publishing more than
~143 bytes of data, due to the overhead of the setup transaction. (It's
also not cheaper if you want extremely easy proof of publication of
the data)

Excluding the couple of months between the topic of increasing the
OP_RETURN limit was raised on this list and the increased limit was
merged into Bitcoin Core master, there have, in fact, been very few
OP_RETURN outputs generated that are above the ~143B size. In particular,
between blocks 900k and 915,843 I get:

  15,003,149 total OP_RETURN outputs
         131 OP_RETURN outputs larger than 83 bytes
          81 OP_RETURN outputs of 144 bytes or more
      19,707 OP_RETURN outputs with non-zero value

cf https://github.com/bitcoin/bitcoin/pull/33453#issuecomment-3341177765

Cheers,
aj

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  reply	other threads:[~2025-10-03 16:33 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-02 20:42 [bitcoindev] " PortlandHODL
2025-10-02 22:19 ` Andrew Poelstra
2025-10-02 22:46   ` Andrew Poelstra
2025-10-02 22:47   ` 'moonsettler' via Bitcoin Development Mailing List
2025-10-03  7:11     ` Garlo Nicon
2025-10-02 22:27 ` Brandon Black
2025-10-03  1:21 ` [bitcoindev] " /dev /fd0
2025-10-03 10:46   ` 'moonsettler' via Bitcoin Development Mailing List
2025-10-03 11:26     ` /dev /fd0
2025-10-03 13:35     ` jeremy
2025-10-03 13:59   ` Andrew Poelstra
2025-10-03 14:18     ` /dev /fd0
2025-10-03 14:59       ` Andrew Poelstra
2025-10-03 16:15         ` Anthony Towns [this message]
2025-10-05  9:59           ` Guus Ellenkamp
2025-10-03 13:21 ` [bitcoindev] " Peter Todd
2025-10-03 16:52   ` 'moonsettler' via Bitcoin Development Mailing List
2025-10-03 15:42 ` Anthony Towns
2025-10-03 20:02 ` Luke Dashjr
2025-10-03 20:52   ` /dev /fd0
2025-10-04 23:12     ` jeremy
2025-10-05 10:59       ` Luke Dashjr
2025-10-08 15:03   ` Greg Tonoski
2025-10-08 18:15     ` Keagan McClelland
2025-10-15 20:04 ` [bitcoindev] " Casey Rodarmor
2025-10-16  0:06   ` Greg Maxwell
2025-10-17 17:07     ` Brandon Black
2025-10-17 18:05       ` 'Antoine Poinsot' via Bitcoin Development Mailing List
2025-10-18  1:01         ` Antoine Riard
2025-10-18  4:03           ` Greg Maxwell
2025-10-18 12:06             ` PortlandHODL
2025-10-18 16:44               ` Greg Tonoski
2025-10-18 16:54               ` /dev /fd0
2025-10-22  8:07               ` 'moonsettler' via Bitcoin Development Mailing List
2025-10-27 23:44                 ` Michael Tidwell
2025-10-30  2:26                   ` Greg Maxwell
2025-10-30  3:36                     ` Michael Tidwell
2025-10-30  6:15                       ` Greg Maxwell
2025-10-30  8:55                         ` Bitcoin Error Log
2025-10-30 17:40                           ` Greg Maxwell
2025-10-30 20:27                         ` [bitcoindev] Policy restrictions Was: " 'Russell O'Connor' via Bitcoin Development Mailing List
2025-10-30 22:23                           ` [bitcoindev] " 'Russell O'Connor' via Bitcoin Development Mailing List
2025-10-30 16:10                     ` [bitcoindev] " Tom Harding
2025-10-30 22:15                       ` Doctor Buzz
2025-10-20 15:22         ` Greg Maxwell
2025-10-21 19:05           ` Garlo Nicon

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