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Fri, 17 Feb 2023 19:03:19 -0500 (EST) Date: Sat, 18 Feb 2023 02:03:15 +0200 From: Peter Todd <pete@petertodd.org> To: Andrew Poelstra <apoelstra@wpsoftware.net>, Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>, Andrew Poelstra via bitcoin-dev <bitcoin-dev@lists.linuxfoundation.org>, vjudeu@gazeta.pl User-Agent: K-9 Mail for Android In-Reply-To: <Y/APRs3IPYapIpGg@camus> References: <TG0yVn41L6VFOHFRYqd3iGz7mxHWtjFdaBrz8mlP6Uk8bmog_isDbtq_2QyvdUs9_Q-jStmx7V7l5rAesXDfHlK9Ehft7SkK5EWQ_3mg-eQ=@protonmail.com> <177016307-23dca06637e70217317077657442d0d8@pmq7v.m5r2.onet> <Y/APRs3IPYapIpGg@camus> Message-ID: <B837E586-894E-40E8-9814-385EF59402B6@petertodd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Subject: Re: [bitcoin-dev] Testing censorship resistance of bitcoin p2p network X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.15 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: Sat, 18 Feb 2023 00:03:23 -0000 On February 18, 2023 1:35:34 AM GMT+02:00, Andrew Poelstra via bitcoin-dev= =20 >You could try statically analyze `<anything>` to determine whether the >IF branch could ever be taken=2E For example there is no path through >the "inscription script" that would result in all the crap being dropped >by the end of the script, violating the CLEANSTACK rule=2E > >This sort of filtering, assuming it could be reliably and efficiently >done, would at least force inscription scripts to be "plausible", and >would greatly increase their space cost by e=2Eg=2E requiring OP_DROP to = be >added somewhere hundreds of times=2E "greatly increase their space cost"? Tell me, what is the actual % increase to adding OP_DROPs like you propose= ?