Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 8FCADBE2 for ; Wed, 15 Jul 2015 14:35:26 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from mail-pa0-f42.google.com (mail-pa0-f42.google.com [209.85.220.42]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 4BC221DA for ; Wed, 15 Jul 2015 14:35:26 +0000 (UTC) Received: by pachj5 with SMTP id hj5so25240395pac.3 for ; Wed, 15 Jul 2015 07:35:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:message-id:date:from:user-agent:mime-version:to :subject:references:in-reply-to:content-type :content-transfer-encoding; bh=fUCW3iZFUy09/IXsr44OJyBjFO2Iuxqsk/RbH9WMShw=; b=NHWALICM6KgJipROWWM2W2tzCe1bp/ao9aBqWFqohlOvpVYv/tqlo1uOL1uSux57ak aUdj4GENoU3zHArKV4rl1srT2oLfuAGitGikwfNIh6PzQbgyOsSYqoUTGtN0ZdnTGcrj Z1tgttFX5uKUfh8UUHZsCRSJMv8zLK/2+PU+Ui0easOuKoKx3MzdLpi/YdTIrFqL3Wsb /ojhmBwDZwvKdEffv3hijS902+Y2r3kEnW/e+B9YoLQgBRMMe2lrJYdT3E3sX9zygc65 4ZxAI0j177WeC9BtwDSXvc33wOqA6HvvGmLjvsb14ZJwZP3g1VMUco9bbJiQPI4+Ig1d XQLw== X-Gm-Message-State: ALoCoQkZNyM20vjGyUEqn3SjjDUcjF1f9nqp5EBqFhWJUiaZc0dGQML2Sldb70yBDjYLfpegMejK X-Received: by 10.70.88.80 with SMTP id be16mr8629955pdb.37.1436970925904; Wed, 15 Jul 2015 07:35:25 -0700 (PDT) Received: from [192.168.1.89] (99-8-65-117.lightspeed.davlca.sbcglobal.net. [99.8.65.117]) by smtp.googlemail.com with ESMTPSA id ob15sm4924246pdb.40.2015.07.15.07.35.23 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 15 Jul 2015 07:35:24 -0700 (PDT) Message-ID: <55A66FA9.4010506@thinlink.com> Date: Wed, 15 Jul 2015 07:35:21 -0700 From: Tom Harding User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: bitcoin-dev@lists.linuxfoundation.org References: <24662b038abc45da7f3990e12a649b8a@airmail.cc> In-Reply-To: <24662b038abc45da7f3990e12a649b8a@airmail.cc> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.6 required=5.0 tests=BAYES_00,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 Subject: Re: [bitcoin-dev] Significant losses by double-spending unconfirmed transactions 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: Wed, 15 Jul 2015 14:35:26 -0000 You perform a valuable service with your demonstration, but you neglected to include the txid's to show that you actually did it. Your advice is must-follow for anyone relying on an unconfirmed tx: it must pay a good fee and be highly relayable/minable. On 7/14/2015 8:29 PM, simongreen--- via bitcoin-dev wrote: > tx1: To merchant, but dust/low-fee/reused-address/large-size/etc. > anything that miners don't always accept.