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[2a00:1450:4864:20::12b]) by gmr-mx.google.com with ESMTPS id 4fb4d7f45d1cf-65eaba2eab5si306991a12.4.2026.02.25.08.49.52 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 25 Feb 2026 08:49:52 -0800 (PST) Received-SPF: pass (google.com: domain of jameson.lopp@gmail.com designates 2a00:1450:4864:20::12b as permitted sender) client-ip=2a00:1450:4864:20::12b; Received: by mail-lf1-x12b.google.com with SMTP id 2adb3069b0e04-59e5ea93a1aso5649677e87.1 for ; Wed, 25 Feb 2026 08:49:52 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1772038192; cv=none; d=google.com; s=arc-20240605; b=XE9MjRRUEUQ15ehFAoo76LrFuYrKysFV9/BRE8kLuz+2i+9lfAod/ZVwd7JfR03XUd 3WqRknxqcuaz6fFGHGulEpjsfUXeifpX94NAQot2UQBsfEn+roX+YdSjX1LmHcQ0g2P5 cT+EiUpGaMwTYOWz2lzZ3gLZkPtQ0VRLDyiYaTrPIBbOaj43hvTajZD+CJ1e9G57KGQY F9NjLSunQdXG0/hzjcNtFmX8GKSwHDW5833INwFYQ9ry2O1vCi1ZjrI0hScEudNhU6Le KK6KNitxQWIg0p/f9wMZcsVlJPlq3+oGv+LpjXli5m37XaBl0avsBL2jelDVtftIpYLf c/mg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20240605; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:dkim-signature; bh=zeXpJyzAwfV5g2ZnRS9S2SX6PiWSuPsSXLlvIlv97Ho=; fh=m2IwlnuMmP6ceRgqI8U7RCh8Dkd3VeWlWEfxse0Wcvc=; b=M0JkvGxuXIny0S5ZYgt79CpTH0N0tl4MbLBW6fVP+/dK4yOO5gneqf4CAz1gU2JndG wipVOBEF95jEqUVC89PzyjyOruf6zgyfTbQZJFcoVx4LuoKLbBqD1O8tQQ2zkJXGNqQc QkcOSH2yU7DtFaectFTGUI7jfPrlzu8ao/Mf6XLUcznF0MJLg4QmPgU1cUowz2l2coMZ zYFPDi3CkHz4/fGSg12siPaM/f4IpZM4igMef89fWckLC1cle9x69Wq2feHcrn8kVLnv 5E2C+546eK8VnFINemsFs1ejl3fEWbHISldZ7TpDvNsSgiWSmjEEvqIiInusFcwoNWb3 nIvA==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; arc=none X-Gm-Gg: ATEYQzxvjJDjnBVNLQ2IP55u8DJCCGUDAOVh9piGS6xzOa/EN/Jupt2yrZKbALjYS0t vPcZ7sMXRKs2Uciw1/g/LtTXbi8eDa7tDwoKZXIV94KLxYFk+hIR8NW6SAYYSM3G4xZnX0aeKE0 2Z7tp8wX2lInFCuI4rtec+yIu4s6QNYRXalXNJ8/NNkOH4g1zg3PQm2BM8fnuC0+ZYSBLjaPE64 ddKxN5E7Xv3Ra/TbIFma92/yxyINhuq1YoKxV5HR62B8Y7zZXGri/XX/opPH7yqn0kCDKcHIEg4 xWo9/+8AIeeuLiDzkMyiiq+p3L2sB5HT4mytsXDg7HzTQxMAlcTN7e+r7MPcNhySrCwtbLh259F JkUUGP0or4RfYpSyc/G+d0dSBS+g/pyA2MQJu X-Received: by 2002:a05:6512:2216:b0:5a0:fb3d:b72e with SMTP id 2adb3069b0e04-5a105e930fcmr382017e87.21.1772038191461; Wed, 25 Feb 2026 08:49:51 -0800 (PST) MIME-Version: 1.0 References: In-Reply-To: From: Jameson Lopp Date: Wed, 25 Feb 2026 11:49:39 -0500 X-Gm-Features: AaiRm5088MfqsLxKn_6UqiS7WCUAVCSJoulLp3k5jhIDEv5ZJAf_pZIrKr10xus Message-ID: Subject: Re: [bitcoindev] BIP 54 active on Bitcoin Inquisition To: Antoine Poinsot Cc: Bitcoin Development Mailing List Content-Type: multipart/alternative; boundary="000000000000ee3835064ba8cafe" X-Original-Sender: jameson.lopp@gmail.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b=nEn1QHHb; arc=pass (i=1); spf=pass (google.com: domain of jameson.lopp@gmail.com designates 2a00:1450:4864:20::12b as permitted sender) smtp.mailfrom=jameson.lopp@gmail.com; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com; dara=pass header.i=@googlegroups.com 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: -0.5 (/) --000000000000ee3835064ba8cafe Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable The main concern I'd have is whether or not doing so would leak more information to the world about how to conduct such an attack on mainnet. It may be prudent to perform such testing privately. On Fri, Feb 13, 2026 at 5:28=E2=80=AFPM 'Antoine Poinsot' via Bitcoin Devel= opment Mailing List wrote: > Hi everyone, > > Bitcoin Inquisition 29.2 was released last week with support for BIP 54 > (Consensus Cleanup) [0]. BIP > 54 is now active on Inquisition since block 291168. > > By virtue of being a bugfix soft fork rather than introducing new > features, there is fewer avenues > for testing on the public Signet network. Perhaps we could create a Signe= t > block that is slow but > not quite as bad as the worst case, and share it here to demonstrate it i= s > now invalid on > Inquisition? > > At any rate, please let us know if you find anything in testing whether i= t > is on the public Signet > network, in private ones, or however else. > > Best, > Antoine Poinsot > > [0] https://delvingbitcoin.org/t/bitcoin-inqusition-29-2/2236 > > -- > 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 visit > https://groups.google.com/d/msgid/bitcoindev/wJZkcSEOQD5Z8rsel8TJCSkUJiwn= 7YepjyOfSDHKt3P_4Fvh9MFu_oiva3G6C-Q_1CmRTCj6lqmVm6ZeZG8WbdVrCo4IZUFg3VazRdJ= 48AQ%3D%40protonmail.com > . > --=20 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 e= mail to bitcoindev+unsubscribe@googlegroups.com. To view this discussion visit https://groups.google.com/d/msgid/bitcoindev/= CADL_X_ewFMqLuv7MVfWCZf3QhKezW9xiS19xWdROjtoT9dmU7w%40mail.gmail.com. --000000000000ee3835064ba8cafe Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
The main concern I'd have is whether or not doing so w= ould leak more information to the world about how to conduct such an attack= on mainnet. It may be prudent to perform such testing privately.

=
On Fri, Feb 13, 2026 at 5:28=E2=80=AFPM 'Antoine Poinsot= 9; via Bitcoin Development Mailing List <bitcoindev@googlegroups.com> wrote:
Hi everyone,

Bitcoin Inquisition 29.2 was released last week with support for BIP 54 (Co= nsensus Cleanup) [0]. BIP
54 is now active on Inquisition since block 291168.

By virtue of being a bugfix soft fork rather than introducing new features,= there is fewer avenues
for testing on the public Signet network. Perhaps we could create a Signet = block that is slow but
not quite as bad as the worst case, and share it here to demonstrate it is = now invalid on
Inquisition?

At any rate, please let us know if you find anything in testing whether it = is on the public Signet
network, in private ones, or however else.

Best,
Antoine Poinsot

[0] https://delvingbitcoin.org/t/bitcoin-in= qusition-29-2/2236

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