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[185.26.156.235]) by gmr-mx.google.com with ESMTPS id a640c23a62f3a-a7a3c8bd9b4si2429366b.2.2024.07.19.11.26.45 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 19 Jul 2024 11:26:45 -0700 (PDT) Received-SPF: pass (google.com: domain of murch@murch.one designates 185.26.156.235 as permitted sender) client-ip=185.26.156.235; Received: (qmail 25984 invoked by uid 989); 19 Jul 2024 18:26:45 -0000 Received: from unknown (HELO unkown) (::1) by farbauti.uberspace.de (Haraka/3.0.1) with ESMTPSA; Fri, 19 Jul 2024 20:26:45 +0200 Message-ID: <6f6177b4-4fd3-4c22-ad13-97d430d7d0bc@murch.one> Date: Fri, 19 Jul 2024 14:26:44 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [bitcoindev] A "Free" Relay Attack Taking Advantage of The Lack of Full-RBF In Core To: bitcoindev@googlegroups.com References: Content-Language: en-US From: Murch In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed X-Rspamd-Bar: -- X-Rspamd-Report: BAYES_HAM(-2.700022) XM_UA_NO_VERSION(0.01) MIME_GOOD(-0.1) X-Rspamd-Score: -2.790022 X-Original-Sender: murch@murch.one X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@murch.one header.s=uberspace header.b=Mojkrpvz; spf=pass (google.com: domain of murch@murch.one designates 185.26.156.235 as permitted sender) smtp.mailfrom=murch@murch.one Precedence: list Mailing-list: list bitcoindev@googlegroups.com; contact bitcoindev+owners@googlegroups.com List-ID: X-Google-Group-Id: 786775582512 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Score: -0.8 (/) On 7/18/24 11:56, Peter Todd wrote: > # Summary > > This is a public disclosure of a vulnerability that I previously disclosed to > the bitcoin-security mailing list. It seems redundant to point out that some transactions are only relayed by a subset of a node population if there are multiple diverging mempool policies with significant adoption. However, I concur that Bitcoin Core should match its default setting for `mempoolfullrbf` to the behavior of miners, and there appears to be palpable evidence that a supermajority of the hashrate has enabled `mempoolfullrbf`. Murch -- You received this message because you are subscribed to the Google Groups "Bitcoin Development Mailing List" group. To unsubscribe from this group and stop receiving emails from it, send an email to bitcoindev+unsubscribe@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/bitcoindev/6f6177b4-4fd3-4c22-ad13-97d430d7d0bc%40murch.one.