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[2607:f8b0:4864:20::b132]) by gmr-mx.google.com with ESMTPS id a92af1059eb24-137f555640esi124972c88.3.2026.06.03.14.55.36 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Jun 2026 14:55:36 -0700 (PDT) Received-SPF: pass (google.com: domain of jose.edil@gmail.com designates 2607:f8b0:4864:20::b132 as permitted sender) client-ip=2607:f8b0:4864:20::b132; Received: by mail-yx1-xb132.google.com with SMTP id 956f58d0204a3-66061993294so79322d50.3 for ; Wed, 03 Jun 2026 14:55:36 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1780523736; cv=none; d=google.com; s=arc-20240605; b=VnWIvzHoMvhZ6JcMqSNSqLa+5peZf7Vf+BTGh9O+lQoi3k/e6Z5AgkHxrVPIaZjBGV IFiRyO1NS5mQXT5ih6ZhTBMF437zLvQUcealyivvX2joYNZNyBkoveB1G+X22/XjtCwT 2B/Npt9uaX31VXGdOT1od77yKVa+BmdBZtPyxGqzp4ymqwWjjNjTZOOCc8VK7GLuyOfX q3WNjBk96gAxKQ8zHNw9yWYGi4aaB9Y4yhHtvL1oYiLajBwZK3fL5EDhiis86o7fvQEx 0NIvk9Lwi2ZKCIyiMDBnoIGWhbbU8zPMrleM+BVz5Qltg7jVMO0tGq+q/A974cvUmbVf Z58w== 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=p6oRyMV2UjvojmxYqOYl/3NhbFJZImZ5EEeA8h5TBV0=; fh=LJvfsjjexzV3bGq/PoivPA6kPP2tYwQJ7YvOjABQf5s=; b=KB5udZHjKoR5dyrFQS94JDjF5zw3nYABEH1zSzGiDaLr5zMrTzhDpnZ0tEBmvuHoRd nNO6755ckwdl4vFJWaqdDWTYze2Sewhqquw4sVtWrb5IxWgPdgWL2SxQdjK4DJmUah1b FxOdHhF4jAITzOJWvT09C45pxhlq5bhmGaN36Goo3guYvCIADbQA52m7Sw3dZIAwsmd1 nbjTD4RU257mF/PPv+tVnAQvxsKAFNwuFRZ9bQOb5AL09QuyYlo0Fkv4u5so/ApKObR6 TlGWO0vyQFSRpsoEbAP+p+u3D55szmf1OdWgvdnV+qm9Ja2tLMvndvbtnyqbHcYtLa4i C23A==; dara=google.com ARC-Authentication-Results: i=1; mx.google.com; arc=none X-Forwarded-Encrypted: i=1; AFNElJ+YhVUQBvWVuUfbUYf8oNv7d2l3JHmlmoBzPATXfDDmzzJd0KndoBroOmlpr3KqjCrPCQ1VBpR9wNOA@googlegroups.com X-Gm-Gg: Acq92OFNWKIbyExwkSAQgPQ3KzMHth175pgpC88X/cltLIkCKq4cSB1/zgwOkSCv5Yo AnUf1H345b2bEOOVEvvVKvQkEt8Ic2s8mf6i3+9N9PSdLN+l6RGCCqUtYoOeEHFQZgMOCibl6NQ zrpTXnEIDusQCxNqBbA0Mos3ISpYy/GsDekjC8D9aGkg+60dqDEX78PKqJShvmL+jL1vZgOtbeo VWoxSjMWQJwswJskBOL9NEbjlWpct4csKN1M/trF2+RSnh5X01jYITvkzj+S9ye0kXvgpvzqeZK HTUcs+teZRFDX0Q/3VvyKWilQcA1HFFw/HZ5Js51bUm++JFL6eg= X-Received: by 2002:a53:d016:0:b0:651:bb21:e7fb with SMTP id 956f58d0204a3-660dc5b8bc3mr4396656d50.54.1780523735802; Wed, 03 Jun 2026 14:55:35 -0700 (PDT) MIME-Version: 1.0 References: <286A17B7-9FAE-4FCD-A054-58688E797EE1@gmail.com> <5e9rybLioivQv7knRGX4xCLZffObV0RGjf2DP0-0wC-K9BRTfjV2GsWUjUlYnOw7EYRDVGA4ERPqoCGynGmNQXNLRy_mhvwdITuBR2t1rJs=@protonmail.com> In-Reply-To: <5e9rybLioivQv7knRGX4xCLZffObV0RGjf2DP0-0wC-K9BRTfjV2GsWUjUlYnOw7EYRDVGA4ERPqoCGynGmNQXNLRy_mhvwdITuBR2t1rJs=@protonmail.com> From: =?UTF-8?Q?Edil_Guimar=C3=A3es_de_Medeiros?= Date: Wed, 3 Jun 2026 18:55:22 -0300 X-Gm-Features: AVHnY4JiP2xjkshccH-1mOCduzj1lj98yyn7fMZw-L6BERjm9FGF3TTxdPJF-tE Message-ID: Subject: Re: [bitcoindev] [BIP Draft] Testnet 5 To: Antoine Poinsot Cc: Pol Espinasa , bitcoindev@googlegroups.com Content-Type: multipart/alternative; boundary="000000000000c967db0653607c57" X-Original-Sender: jose.edil@gmail.com X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@gmail.com header.s=20251104 header.b=EBkVf6FG; arc=pass (i=1); spf=pass (google.com: domain of jose.edil@gmail.com designates 2607:f8b0:4864:20::b132 as permitted sender) smtp.mailfrom=jose.edil@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 (/) --000000000000c967db0653607c57 Content-Type: text/plain; charset="UTF-8" Hi Antoine, > However a risk that the network becomes temporarily unusable does not > justify introducing yet another band-aid that would inevitably make it > permanently unusable. > Agree. > Moreover, i think we are in a better position nowadays to deal with such a > situation than we were 15 years ago when that happened on testnet1. > Yes, I expect some people to contribute some hash rate to unstuck a testnet5 chain (I would be willing to contribute), but I'm not so sure that will be enough. Anyhow, I gave this scenario some thought and came to the conclusion that the odds of it happening (big miner increasing difficulty on purpose and leaving) would be pretty low. Yet, it doesn't address the problem of coins getting value (which I still think is unsolvable given a pretty stable network). Not the biggest concern to me, just that this will be an argument anytime soon. -- Edil -- 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/CANJiN3KUW8K5mAyoekzYFyBf3jtnsTxW8LfwvUq7K5FDs-XR7Q%40mail.gmail.com. --000000000000c967db0653607c57 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi A= ntoine,
=C2=A0
However a r= isk that the network becomes temporarily unusable does not justify introduc= ing yet another band-aid that would inevitably make it permanently unusable= .

Ag= ree.
=C2=A0
Moreo= ver, i think we are in a better position nowadays to deal with such a situa= tion than we were 15 years ago when that happened on testnet1.

Yes, I expect some people to contribute some hash rate to unstuck a t= estnet5 chain (I would be willing to contribute), but I'm not so sure t= hat will be enough.
Anyhow, I gave this scenario some thought and came to the conclusion that = the odds of it happening (big miner increasing difficulty on purpose and le= aving) would be pretty low.

Yet, = it doesn't address the problem of coins getting value (which I still th= ink is unsolvable given a pretty stable network).
Not the biggest concern to me, just that thi= s will be an argument anytime soon.

--
Edil

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