Return-Path: Received: from smtp2.linuxfoundation.org (smtp2.linux-foundation.org [172.17.192.36]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 45E209D for ; Fri, 17 Jul 2015 03:31:06 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from bitcoin.co.th (support.bitcoin.co.th [162.213.249.178]) by smtp2.linuxfoundation.org (Postfix) with ESMTPS id E3F241DB97 for ; Fri, 17 Jul 2015 03:31:05 +0000 (UTC) Received: from node-n84.pool-101-108.dynamic.totbb.net ([101.108.117.148]:22168 helo=[192.168.1.174]) by server1.advancedstyle.com with esmtpsa (TLSv1.2:DHE-RSA-AES128-SHA:128) (Exim 4.85) (envelope-from ) id 1ZFwMV-000178-Cx; Thu, 16 Jul 2015 23:30:59 -0400 Message-ID: <55A876F0.2080402@bitcoin.co.th> Date: Fri, 17 Jul 2015 10:30:56 +0700 From: "David Barnes | Bitcoin Co. Ltd." User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.7.0 MIME-Version: 1.0 To: Paul Rabahy References: <55A867B9.202@bitcoin.co.th> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server1.advancedstyle.com X-AntiAbuse: Original Domain - lists.linuxfoundation.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - bitcoin.co.th X-Get-Message-Sender-Via: server1.advancedstyle.com: authenticated_id: david.barnes@bitcoin.co.th X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_20,RP_MATCHES_RCVD autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on smtp2.linux-foundation.org Cc: bitcoin-dev@lists.linuxfoundation.org Subject: Re: [bitcoin-dev] BIP0074 Draft (Dynamic Rate Lookup) 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: Fri, 17 Jul 2015 03:31:06 -0000 There are a number of services that offer Bitcoin payment notification via SMS. If the cashier only has a dumb-phone (or smart phone without Bitcoin app) they can receive notification of the payment...all without any need for an app or internet access. I envision that their dynamic rate provider will also be offer the SMS notification service; but independent services are also available. David Barnes On 7/17/2015 10:21 AM, Paul Rabahy wrote: > The biggest hole I see in this scheme is how does the cashier verify > that the payment has been made successfully? If both the cashier and > the customer need to scan this new QR code, how is that any better > than just the cashier scanning the QR code and showing the customer an > aggregate QR code. > > I understand wanting to make IRL bitcoin purchases easier, but I do > not believe that this proposal will actually help. >