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[64.147.123.155]) by gmr-mx.google.com with ESMTPS id lm19-20020a0568703d9300b002397841a209si509391oab.5.2024.05.04.10.08.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 04 May 2024 10:08:30 -0700 (PDT) Received-SPF: pass (google.com: domain of pete@petertodd.org designates 64.147.123.155 as permitted sender) client-ip=64.147.123.155; Received: from compute2.internal (compute2.nyi.internal [10.202.2.46]) by mailfhigh.west.internal (Postfix) with ESMTP id 9536318000DC; Sat, 4 May 2024 13:08:28 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute2.internal (MEProxy); Sat, 04 May 2024 13:08:28 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvledrvddvvddguddutdcutefuodetggdotefrod ftvfcurfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfgh necuuegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmd enucfjughrpeffhffvvefukfhfgggtuggjsehgtderredttddvnecuhfhrohhmpefrvght vghrucfvohguugcuoehpvghtvgesphgvthgvrhhtohguugdrohhrgheqnecuggftrfgrth htvghrnhepledvleelffdtudekudffjefgfeejueehieelfedtgfetudetgeegveeutefh jedtnecuffhomhgrihhnpehpvghtvghrthhouggurdhorhhgnecuvehluhhsthgvrhfuih iivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepphgvthgvsehpvghtvghrthhouggu rdhorhhg X-ME-Proxy: Feedback-ID: i525146e8:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Sat, 4 May 2024 13:08:27 -0400 (EDT) Received: by localhost (Postfix, from userid 1000) id 79C615F834; Sat, 4 May 2024 17:08:23 +0000 (UTC) Date: Sat, 4 May 2024 17:08:23 +0000 From: Peter Todd To: Ali Sherief Cc: Bitcoin Development Mailing List Subject: Re: [bitcoindev] The Future of Bitcoin Testnet Message-ID: References: <6a787f0d-db85-48fe-9e00-217ccd2a0f2f@mattcorallo.com> <52654980-c4f1-4d8e-a305-3a34c01b8599n@googlegroups.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="WFKstYPh05zftB7E" Content-Disposition: inline In-Reply-To: <52654980-c4f1-4d8e-a305-3a34c01b8599n@googlegroups.com> X-Original-Sender: pete@petertodd.org X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@messagingengine.com header.s=fm3 header.b=T4TQ522R; spf=pass (google.com: domain of pete@petertodd.org designates 64.147.123.155 as permitted sender) smtp.mailfrom=pete@petertodd.org 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 (/) --WFKstYPh05zftB7E Content-Type: text/plain; charset="UTF-8" Content-Disposition: inline On Thu, May 02, 2024 at 12:10:43AM -0700, Ali Sherief wrote: > I think the effort required to remove testnet entirely would be too much to > work on. Replacing it with something else is a better idea to minimize > disruption. > > In the mean time, we need to figure out a process to at least lock down the > testnet3 network so that no new blocks can be mined while the replacement > chain is commissioned. Is there a BIP with a procedure for replacing > testnet? How was it done last time? It's impossible to lock down testnet and prevent new blocks from being mined. Testnet is a decentralized PoW system, just like Bitcoin, with no central points of control. The best we could do is 51% attack testnet. But that's could easily be quite expensive precisely because people are using it for valuable applications. -- https://petertodd.org 'peter'[:-1]@petertodd.org -- 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/ZjZrhw9FiYNJ6wBH%40petertodd.org. --WFKstYPh05zftB7E Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE0RcYcKRzsEwFZ3N5Lly11TVRLzcFAmY2a3MACgkQLly11TVR LzfoCw/7By7rmfwpNW6rop0IW0nf/PQSicKgsb+tMmgISnM0T/BUWHro9Zu4lPBk WrJCi5to9seNHz9Ty9ALAuUAPhk5RB+SmaF1gZv9eeXAqwBI9a9HMA8gsOpCyj+C lOv/lPuZcvU8eSyF28ojbrfnj5ZBoz0dVi4QX+UMqLhkgHGcyYr+W350aLfS2spJ N6tkdoT5GZnTg3Ijnslc+mPhzug9MiPg94X5hr4D3YrSaxjybu1LkWPC1YBAuA3V 8wsO0ofaOabq+pryYmJEJJ5bwD11GXWXiS87EG4a28xIMAmrUN4j7Vo36McFSnUF V7S9FOp2+ZQe5e2a6Omhd3A+SRgBijgvaCrCrQNdt4WEoDJDxc8iaCvhfUx0j27A HhOAzqyUPp1UqZKsqj3VQ3dIqY6Or3Jaydkxgb8JbC9Udj8WQgVxzasC5vBXmBbC Nk5FrLKpAyX28UuvVBSf4hXYEhdy+u5UKh88iV8YT0FNCwHAcN5sdeV2zGVdMzWQ lkFnAzrJtGPBTf1LpSwxENRqiBTCDbD+c7GSaeGFZDyFOz4sWiEo3Gj7QmU5uFh8 2NUfIAy8diJqghwvLK6S975Lc1tZ3XA+xwlMv1M8QfyjzPki9hd2kNVgELHzVtep fTOHPA1zPop0QcISiZNUnjf9f1+7pvcOFitqRy1ELDmqD7tbuck= =VGOI -----END PGP SIGNATURE----- --WFKstYPh05zftB7E--