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[103.168.172.146]) by gmr-mx.google.com with ESMTPS id af79cd13be357-8cb2b0bb9b3si30099585a.2.2026.02.13.14.07.05 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Feb 2026 14:07:05 -0800 (PST) Received-SPF: pass (google.com: domain of bitcoin-dev@lightco.in designates 103.168.172.146 as permitted sender) client-ip=103.168.172.146; Received: from phl-compute-04.internal (phl-compute-04.internal [10.202.2.44]) by mailfout.phl.internal (Postfix) with ESMTP id 37A64EC0567 for ; Fri, 13 Feb 2026 17:07:05 -0500 (EST) Received: from phl-imap-15 ([10.202.2.104]) by phl-compute-04.internal (MEProxy); Fri, 13 Feb 2026 17:07:05 -0500 X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeefgedrtddtgddvtdelgeduucetufdoteggodetrf dotffvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfurfetoffkrfgpnffqhgenuceu rghilhhouhhtmecufedttdenucgoufhushhpvggtthffohhmrghinhculdegledmnecujf gurhepofggfffhvffkjghfufgtgfesthejredtredttdenucfhrhhomhepnfhighhhthcu oegsihhttghoihhnqdguvghvsehlihhghhhttghordhinheqnecuggftrfgrthhtvghrnh eptdegfeeiueefgfevgfevtefgveduteeuveetleegjeeffeekgffhudehgeeghfegnecu ffhomhgrihhnpehgihhthhhusgdrtghomhdpghhoohhglhgvrdgtohhmnecuvehluhhsth gvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrhhomhepsghithgtohhinhdquggv vheslhhighhhthgtohdrihhnpdhnsggprhgtphhtthhopedupdhmohguvgepshhmthhpoh huthdprhgtphhtthhopegsihhttghoihhnuggvvhesghhoohhglhgvghhrohhuphhsrdgt ohhm X-ME-Proxy: Feedback-ID: ic4c14615:Fastmail Received: by mailuser.phl.internal (Postfix, from userid 501) id 11E06780075; Fri, 13 Feb 2026 17:07:05 -0500 (EST) X-Mailer: MessagingEngine.com Webmail Interface MIME-Version: 1.0 X-ThreadId: A-uJmYvaTvjF Date: Fri, 13 Feb 2026 17:06:29 -0500 From: Light To: bitcoindev@googlegroups.com Message-Id: <57bd09bc-1c1b-4605-82f9-65b6b61cf8a2@app.fastmail.com> In-Reply-To: <9336f5a4-5c28-4c1b-af29-a8462b7a9377n@googlegroups.com> References: <9336f5a4-5c28-4c1b-af29-a8462b7a9377n@googlegroups.com> Subject: Re: [bitcoindev] Hourglass V2 Update Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Original-Sender: bitcoin-dev@lightco.in X-Original-Authentication-Results: gmr-mx.google.com; dkim=pass header.i=@lightco.in header.s=fm2 header.b=f7eyEHlp; dkim=pass header.i=@messagingengine.com header.s=fm3 header.b="L/ipIZZ0"; spf=pass (google.com: domain of bitcoin-dev@lightco.in designates 103.168.172.146 as permitted sender) smtp.mailfrom=bitcoin-dev@lightco.in 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 (/) Bitcoin should not have an in-protocol plunge protection mechanism, and cer= tainly not one that artificially restricts people's ability to spend their = coins. I encourage you to withdraw this proposal, for the sake of bitcoin's= integrity and utility as a p2p electronic cash system. On Tue, Feb 10, 2026, at 3:47 PM, Mike Casey wrote: > In response to feedback, the Hourglass proposal to mitigate against=20 > potential mass liquidation of P2PK funds has been enhanced to further=20 > limit spend amounts from such outputs to only 1 bitcoin per block. > https://github.com/cryptoquick/bips/blob/hourglass-v2/bip-hourglass-v2.me= diawiki > > Prior discussion of the original Hourglass proposal: > https://groups.google.com/g/bitcoindev/c/zmg3U117aNc/m/lDCMs9j7EAAJ > > Thoughts & feedback welcome! > > --=20 > You received this message because you are subscribed to the Google=20 > Groups "Bitcoin Development Mailing List" group. > To unsubscribe from this group and stop receiving emails from it, send=20 > an email to bitcoindev+unsubscribe@googlegroups.com. > To view this discussion visit=20 > https://groups.google.com/d/msgid/bitcoindev/9336f5a4-5c28-4c1b-af29-a846= 2b7a9377n%40googlegroups.com=20 > . --=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/= 57bd09bc-1c1b-4605-82f9-65b6b61cf8a2%40app.fastmail.com.