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| author | Peter Todd <pete@petertodd.org> | 2017-09-04 09:51:35 -0400 |
|---|---|---|
| committer | bitcoindev <bitcoindev@gnusha.org> | 2017-09-04 18:42:35 +0000 |
| commit | e15eeb34fde353aea4eabe97cbc828d31f6a7105 (patch) | |
| tree | 1940bc96cc2f1e51ec800bbb130c4c476807e1bb | |
| parent | 1ecc9e44f3b786b55a97bf01911410473943b22b (diff) | |
| download | pi-bitcoindev-e15eeb34fde353aea4eabe97cbc828d31f6a7105.tar.gz pi-bitcoindev-e15eeb34fde353aea4eabe97cbc828d31f6a7105.zip | |
Re: [bitcoin-dev] P2WPKH Scripts, P2PKH Addresses, and Uncompressed Public Keys
| -rw-r--r-- | af/d3af6a0c11f641c9732d8699c3cad7f47a5df6 | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/af/d3af6a0c11f641c9732d8699c3cad7f47a5df6 b/af/d3af6a0c11f641c9732d8699c3cad7f47a5df6 new file mode 100644 index 000000000..dcd9c28fe --- /dev/null +++ b/af/d3af6a0c11f641c9732d8699c3cad7f47a5df6 @@ -0,0 +1,119 @@ +Return-Path: <pete@petertodd.org> +Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org + [172.17.192.35]) + by mail.linuxfoundation.org (Postfix) with ESMTPS id 6FA8CACC + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 4 Sep 2017 18:42:35 +0000 (UTC) +X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 +Received: from outmail148111.authsmtp.net (outmail148111.authsmtp.net + [62.13.148.111]) + by smtp1.linuxfoundation.org (Postfix) with ESMTPS id C8FFAA1 + for <bitcoin-dev@lists.linuxfoundation.org>; + Mon, 4 Sep 2017 18:42:34 +0000 (UTC) +Received: from mail-c245.authsmtp.com (mail-c245.authsmtp.com [62.13.128.245]) + by punt22.authsmtp.com (8.14.2/8.14.2/) with ESMTP id v84IgTwp051223; + Mon, 4 Sep 2017 19:42:29 +0100 (BST) +Received: from petertodd.org (ec2-52-5-185-120.compute-1.amazonaws.com + [52.5.185.120]) (authenticated bits=0) + by mail.authsmtp.com (8.14.2/8.14.2/) with ESMTP id v84IgRc0044045 + (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); + Mon, 4 Sep 2017 19:42:28 +0100 (BST) +Received: from [127.0.0.1] (localhost [127.0.0.1]) + by petertodd.org (Postfix) with ESMTPSA id C141A40295; + Mon, 4 Sep 2017 18:42:25 +0000 (UTC) +Received: by localhost (Postfix, from userid 1000) + id 747292224A; Mon, 4 Sep 2017 09:51:35 -0400 (EDT) +Date: Mon, 4 Sep 2017 09:51:35 -0400 +From: Peter Todd <pete@petertodd.org> +To: Alex Nagy <optimiz3@hotmail.com>, + Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org> +Message-ID: <20170904135135.GE1276@fedora-23-dvm> +References: <CY4PR1801MB181583C344B0993205D4B6C8809E0@CY4PR1801MB1815.namprd18.prod.outlook.com> + <CAAS2fgT+HHg_xuuWuGrYcX0ALcBowmY-1Kt6-dzSBOwdcr08HQ@mail.gmail.com> + <CY4PR1801MB181557B7331133954A3098DD809E0@CY4PR1801MB1815.namprd18.prod.outlook.com> +MIME-Version: 1.0 +Content-Type: multipart/signed; micalg=pgp-sha256; + protocol="application/pgp-signature"; boundary="UoPmpPX/dBe4BELn" +Content-Disposition: inline +In-Reply-To: <CY4PR1801MB181557B7331133954A3098DD809E0@CY4PR1801MB1815.namprd18.prod.outlook.com> +User-Agent: Mutt/1.5.23 (2014-03-12) +X-Server-Quench: cd63a1b7-91a0-11e7-801f-9cb654bb2504 +X-AuthReport-Spam: If SPAM / abuse - report it at: + http://www.authsmtp.com/abuse +X-AuthRoute: OCd2Yg0TA1ZNQRgX IjsJECJaVQIpKltL GxAVKBZePFsRUQkR + aQdMdgYUC1AEAgsB AmEbWl1eVF97W2s7 bghPaBtcak9QXgdq + T0pMXVMcUg1seEtj VR4eVh1ycwAIcHh0 bAgxCnZYDUUoclt0 + Qx9UCGwHMGB9YGAe Bl1RJFFSdQcYLB1A alQxNiYHcQ5VPz4z + GA41ejw8IwAXEH5q eiItZWkZW0cTAiV4 DyhYJRYPVWQJSz8+ + NAcrMRpUFUAdeng0 OlwkQUgVKAQfBm8W J1xHBC5Sb3oMVjFD +X-Authentic-SMTP: 61633532353630.1039:706 +X-AuthFastPath: 0 (Was 255) +X-AuthSMTP-Origin: 52.5.185.120/25 +X-AuthVirus-Status: No virus detected - but ensure you scan with your own + anti-virus system. +X-Spam-Status: No, score=0.4 required=5.0 tests=DATE_IN_PAST_03_06, + RCVD_IN_DNSWL_LOW autolearn=disabled version=3.3.1 +X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on + smtp1.linux-foundation.org +Cc: Gregory Maxwell <gmaxwell@gmail.com> +Subject: Re: [bitcoin-dev] P2WPKH Scripts, P2PKH Addresses, + and Uncompressed Public Keys +X-BeenThere: bitcoin-dev@lists.linuxfoundation.org +X-Mailman-Version: 2.1.12 +Precedence: list +List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org> +List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe> +List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/> +List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org> +List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help> +List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>, + <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe> +X-List-Received-Date: Mon, 04 Sep 2017 18:42:35 -0000 + + +--UoPmpPX/dBe4BELn +Content-Type: text/plain; charset=us-ascii +Content-Disposition: inline +Content-Transfer-Encoding: quoted-printable + +On Mon, Aug 28, 2017 at 08:55:47PM +0000, Alex Nagy via bitcoin-dev wrote: +> Thanks Gregory - to be clear should Native P2WPKH scripts only appear in = +redeem scripts? From reading the various BIPs it had seemed like Native P2= +WPKH and Native P2WSH were also valid and identifiable if they were encoded= + in TxOuts. The theoretical use case for this would be saving bytes in Txe= +s with many outputs. + +It's not a theoretical use-case: the two OpenTimestamps calendar servers I = +run +- {alice,bob}.btc.calendar.opentimestamps.org - use native P2WPKH segwit +outputs to keep transaction size to the absolute minimum possible; previous= +ly +they used bare CHECKSIG <pubkey> output scripts for the same reason. + +I enabled support for it the moment segwit activated, so I'm probably the f= +irst +ever production user of P2WPKH on mainnet, and quite possibly, the first pe= +rson +to create P2WPKH outputs on mainnet for any reason. + +--=20 +https://petertodd.org 'peter'[:-1]@petertodd.org + +--UoPmpPX/dBe4BELn +Content-Type: application/pgp-signature; name="signature.asc" +Content-Description: Digital signature + +-----BEGIN PGP SIGNATURE----- + +iQEcBAEBCAAGBQJZrVplAAoJECSBQD2l8JH7p+YH/0VLxtZMvS6oKOCvGr8T26ss +7WdDj2v4NXEcabcriXZAoG8wiNc5+5TyCVuAFi7aB9HRUTxAY20aUDe/2lM5jEfJ +y0V3Hqq9DnJE9LChDpbKgUSnI5XpTh6YS2IBlchxH2N8vcnJQ6JxDRitZHNUxr89 +Gxejl8zKotI/Da2BedJbnIijKbGc7iXv6MtdtETiIt24Z5r2gSoffrCVIQ46XLdv +/WlmrNtxRccdo9DEtpZRoTTQUAm7DPjvJzMHmwCZ+9T+p6n89QlJQwjxOKygtoCr +FgwPdtLm+nmvWCsRlfPheHPf63339excx8oQBXJLidFebbsz/gnpcY1NkX86XcI= +=BVZW +-----END PGP SIGNATURE----- + +--UoPmpPX/dBe4BELn-- + |