From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp4.osuosl.org (smtp4.osuosl.org [IPv6:2605:bc80:3010::137]) by lists.linuxfoundation.org (Postfix) with ESMTP id 66D48C002B for ; Tue, 7 Feb 2023 18:12:45 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp4.osuosl.org (Postfix) with ESMTP id 2D1694093F for ; Tue, 7 Feb 2023 18:12:45 +0000 (UTC) DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 2D1694093F Authentication-Results: smtp4.osuosl.org; dkim=pass (2048-bit key, unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.a=rsa-sha256 header.s=fm3 header.b=klYH64kz X-Virus-Scanned: amavisd-new at osuosl.org X-Spam-Flag: NO X-Spam-Score: -2.6 X-Spam-Level: X-Spam-Status: No, score=-2.6 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no Received: from smtp4.osuosl.org ([127.0.0.1]) by localhost (smtp4.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id Wd_3H-CmfxZE for ; Tue, 7 Feb 2023 18:12:43 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 DKIM-Filter: OpenDKIM Filter v2.11.0 smtp4.osuosl.org 83F9C40905 Received: from out2-smtp.messagingengine.com (out2-smtp.messagingengine.com [66.111.4.26]) by smtp4.osuosl.org (Postfix) with ESMTPS id 83F9C40905 for ; Tue, 7 Feb 2023 18:12:43 +0000 (UTC) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.nyi.internal (Postfix) with ESMTP id 742395C011D; Tue, 7 Feb 2023 13:12:42 -0500 (EST) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Tue, 07 Feb 2023 13:12:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-type:date:date:feedback-id :feedback-id:from:from:in-reply-to:in-reply-to:message-id :mime-version:references:reply-to:sender:subject:subject:to:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm3; t=1675793562; x=1675879962; bh=yyGVs04G7eIUnl7Re/qigJ1VWCS9 pUq+IWLRwvrm0U8=; b=klYH64kz/HR536TnbZR8ceCqG0J9PHbuKEy4zn7LvWOT 8iPtSnhGRZEyEojY7qbk/gc+Z/PtxYssvA9BdwdAUAC2Pwt4pmXTS9iUDo95SbKU naNhpTq1rjpXZ3QfXN79Rh1+sCfUodN5ZjNg5lKNUCcxPhADRE9Dq/6fx2aTLdR1 CdmiY6dTh6agkkB6atoFK+uTBhw2MtORGe8gov30YCeQWCnFWgHRbsvWG52KNz1C QtDk83nsSyMRdtrU+Z+6xroWnt9umQGwSuiyF/SeSnGXw2Otex4lKzp/yc5cqeH5 Rj1oW6k72+boGqSPqNbUVceUm6J7OfMEUZCThRNSbA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrudegkedguddtjecutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvvefukfhfgggtuggjsehgtderredttddvnecuhfhrohhmpefrvght vghrucfvohguugcuoehpvghtvgesphgvthgvrhhtohguugdrohhrgheqnecuggftrfgrth htvghrnhepledvleelffdtudekudffjefgfeejueehieelfedtgfetudetgeegveeutefh jedtnecuffhomhgrihhnpehpvghtvghrthhouggurdhorhhgnecuvehluhhsthgvrhfuih iivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepphgvthgvsehpvghtvghrthhouggu rdhorhhg X-ME-Proxy: Feedback-ID: i525146e8:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Tue, 7 Feb 2023 13:12:40 -0500 (EST) Received: by localhost (Postfix, from userid 1000) id 09D755F936; Tue, 7 Feb 2023 13:12:36 -0500 (EST) Date: Tue, 7 Feb 2023 13:12:36 -0500 From: Peter Todd To: Andrew Poelstra , Bitcoin Protocol Discussion Message-ID: References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="IM69eT6w3lu7+Msw" Content-Disposition: inline In-Reply-To: Subject: Re: [bitcoin-dev] Unenforceable fee obligations in multiparty protocols with Taproot inputs X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Feb 2023 18:12:45 -0000 --IM69eT6w3lu7+Msw Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 07, 2023 at 01:46:22PM +0000, Andrew Poelstra via bitcoin-dev w= rote: > Peter Todd also suggests in this thread that the use of uncompressed > keys can cause "surprise" witness inflation, but (a) since segwit > uncompressed keys are also banned, so keys are a fixed 33 bytes (32 in > Taproot) To be clear, I was just pointing out that this problem has existed, in theo= ry at least, since the beginning of Bitcoin (compressed pubkeys were supported= in v0.1.0). P2PKH addresses are the pre-P2SH ones that start with 1. --=20 https://petertodd.org 'peter'[:-1]@petertodd.org --IM69eT6w3lu7+Msw Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE0RcYcKRzsEwFZ3N5Lly11TVRLzcFAmPilIwACgkQLly11TVR Lzep6hAArHXsr/wfYumyPAMOC0rn8Ys85PZnlZq7Bttqh5CrvJ0sZkBv3dt6ocYn RZ6SX3u7m0pKKSv71kVTf1ZcOyPtNY/AZwxXXTzYadSlLixxKOljAfWOIfSvbPYd BY33TJra3B/gVSKnWQ3LP/N/k4hIj+JCvvsC/ybM0YTJQWljmqJyS9zbqVVfGTl1 LJ5AuL/YA6L+5tBYrahM0tLsgzM1lCwCM9PV5IseJjX4G5akBtgSbNmpN4vwbOvL FOHc+w1lO0yy4mVBHmySQbKwGMKH+bg9+3DmpO4Nn8MPzD9PNkX+VMeHBO393DmB l+i8SR1qLmFeF50rcefkHb0DMiFq2FNFewXazKTrDzn7cjeVTuNT2lbS+LcqFSNO XTZNzrWSgkZsm4gJLFjLzoUYe1lGGHPZUYWBMggsIvBSc+fuHdPA8CeEMwHnJav5 GdCyhKv1ljimUw49bSyqo1IzDzUpE+UFyCeA4OKDzHTSYSn8didqcShsBaw3S/4k JfLpJBH267bNyBkP2qRZyDASfhVcT8+d2TEq4KnD/mZ0mYqo/HZ/UyLjFYdh2EGG +x8QaH6ExDE4NFN8QQp2AYzgoyVogC9zE8nW6vjf4OkAX7SXUjZgvnnu5jsnhuNf Ifs5OHOD7pDqBi5L+jmF76yx37f16xyPOZNkBicf9IAkAuwN2qU= =NYhs -----END PGP SIGNATURE----- --IM69eT6w3lu7+Msw--