Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Xi5pW-0008GU-FI for bitcoin-development@lists.sourceforge.net; Sat, 25 Oct 2014 18:12:46 +0000 Received-SPF: pass (sog-mx-3.v43.ch3.sourceforge.com: domain of bitpay.com designates 209.85.213.182 as permitted sender) client-ip=209.85.213.182; envelope-from=jgarzik@bitpay.com; helo=mail-ig0-f182.google.com; Received: from mail-ig0-f182.google.com ([209.85.213.182]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1Xi5pV-0004zz-Ix for bitcoin-development@lists.sourceforge.net; Sat, 25 Oct 2014 18:12:46 +0000 Received: by mail-ig0-f182.google.com with SMTP id hn18so2530027igb.15 for ; Sat, 25 Oct 2014 11:12:40 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=epUFFjGqfq0gvAWvXD7Z6VUi3h3D26SErh4z4GrIW2I=; b=EzMmFxZOouVZQ0uk2FsI1veC2pJUnfvpTzI8PUhmzQnimvUBg5fgSEo7FJtMnFQAwj z4gyhSjIGxSnG0qIWeSpI+uQJra+Ceq4dSkr+aHevvHbMAVBMzjiOBMIgcp0A1X2s1fs 52VDUVz1EUKlYtYxMrtqMgWsWaZH3mWyIgWDixp2PEPukjttEFY2tPJ9VYarVxRt1P0i rbHBMKcKYm5bHtJeiwXdQL72mykz+LQ6U75NByiBkFB7E88a+J8FPo7B/v9dE4ochCa3 XYr+B2NUyhq8KsLmN8fgEDQyQ4YEeImVcg0LFtwgNGWfGbA/BGSwaA0Q3IERaigPf1ab Vuog== X-Gm-Message-State: ALoCoQm4ODe0wMl9EGie2In7MXaWGgmKJLjAiq6lF43hILAwV+WUUvqlsiicrhbRGW5teD2VuiLk X-Received: by 10.50.3.4 with SMTP id 4mr11575430igy.22.1414260760178; Sat, 25 Oct 2014 11:12:40 -0700 (PDT) MIME-Version: 1.0 Received: by 10.107.156.193 with HTTP; Sat, 25 Oct 2014 11:12:19 -0700 (PDT) In-Reply-To: References: From: Jeff Garzik Date: Sat, 25 Oct 2014 14:12:19 -0400 Message-ID: To: Alex Mizrahi Content-Type: text/plain; charset=UTF-8 X-Spam-Score: -1.6 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1Xi5pV-0004zz-Ix Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] death by halving X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 25 Oct 2014 18:12:46 -0000 On Sat, Oct 25, 2014 at 2:06 PM, Alex Mizrahi wrote: > Hashrate might drop by more than 50% immediately after the halving (and > before difficulty is updated), thus a combination of the halving and slow > difficulty update pose a real threat. "Flag day" herd behavior like this is unlikely for well informed and well prepared market participants. -- Jeff Garzik Bitcoin core developer and open source evangelist BitPay, Inc. https://bitpay.com/