Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id DF5F2722 for ; Sun, 6 Dec 2015 06:26:16 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-io0-f172.google.com (mail-io0-f172.google.com [209.85.223.172]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 8A496A9 for ; Sun, 6 Dec 2015 06:26:15 +0000 (UTC) Received: by ioc74 with SMTP id 74so153431979ioc.2 for ; Sat, 05 Dec 2015 22:26:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=j4sDWaYt1CtOGkx9HpEF/kaxaTsbPE1nNLUFZ5MKnaM=; b=qZA9KlDVRsTKB1MCk/rMFoWZvRBqA4U/w3+GDLBCdqNKkOhKMH0kYBgKKEpZPhtMhn qPiQ8VNEQvDeJiY0o3j+EX9aI3yLde/2Q+0Bhoi6puJRED4Yh3mVx438nUToNcOKIFzg x8mkULQL0qFO7bbMfUF4WF6++jjokggTBaYSq8gZflXCt6Jhi3WG8SB1XvJ0aNqNBcv3 nGU7fvQ/pMlV8ZfHGS5ldOLMPMI9RIQKH6aKVv8Y6qoip0f33PglayFMYttO9bB4LwHE B5siFnGpH6vNAfi4npl3U0mT2AxFkTTjG+DQXUmHMa4TM9gJBih4pp+evVewm1+2WAff aBFg== MIME-Version: 1.0 X-Received: by 10.107.34.199 with SMTP id i190mr21511840ioi.150.1449383175083; Sat, 05 Dec 2015 22:26:15 -0800 (PST) Sender: gmaxwell@gmail.com Received: by 10.107.192.70 with HTTP; Sat, 5 Dec 2015 22:26:15 -0800 (PST) In-Reply-To: References: <871tb16diz.fsf@rustcorp.com.au> Date: Sun, 6 Dec 2015 06:26:15 +0000 X-Google-Sender-Auth: Fr17RtWZMP_htVBZAqZ-4efmwPY Message-ID: From: Gregory Maxwell To: James Hilliard Content-Type: text/plain; charset=UTF-8 X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, FREEMAIL_FROM, RCVD_IN_DNSWL_LOW autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp1.linux-foundation.org Cc: Bitcoin Dev Subject: Re: [bitcoin-dev] Blockchain verification flag (BIP draft) X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Development Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Dec 2015 06:26:17 -0000 On Sun, Dec 6, 2015 at 2:47 AM, James Hilliard via bitcoin-dev wrote: > I think something that anyone who isn't validating should be aware of is > that cgminer(which powers the vast majority of the current mining network) > doesn't allow for a pool to revert to mining on the previous block due to > the way chain tracking is implemented. An interesting potential use for the flag suggested in this draft would be allowing non-monotone mining for non-verified blocks. I could add a recommendation for that as well.