Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WQY3I-0004xr-Ew for bitcoin-development@lists.sourceforge.net; Thu, 20 Mar 2014 08:10:12 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of m.gmane.org designates 80.91.229.3 as permitted sender) client-ip=80.91.229.3; envelope-from=gcbd-bitcoin-development@m.gmane.org; helo=plane.gmane.org; Received: from plane.gmane.org ([80.91.229.3]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.76) id 1WQY3G-0005e6-NS for bitcoin-development@lists.sourceforge.net; Thu, 20 Mar 2014 08:10:12 +0000 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1WQY39-0003qJ-2D for bitcoin-development@lists.sourceforge.net; Thu, 20 Mar 2014 09:10:03 +0100 Received: from f052022250.adsl.alicedsl.de ([78.52.22.250]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 20 Mar 2014 09:10:03 +0100 Received: from andreas by f052022250.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 20 Mar 2014 09:10:03 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: bitcoin-development@lists.sourceforge.net From: Andreas Schildbach Date: Thu, 20 Mar 2014 09:09:39 +0100 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: f052022250.adsl.alicedsl.de User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0 In-Reply-To: X-Enigmail-Version: 1.5.2 X-Spam-Score: -0.4 (/) 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 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [80.91.229.3 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 1.1 DKIM_ADSP_ALL No valid author signature, domain signs all mail -0.0 T_RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.0 SPF_PASS SPF: sender matches SPF record X-Headers-End: 1WQY3G-0005e6-NS Subject: Re: [Bitcoin-development] Payment Protocol for Face-to-face Payments 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: Thu, 20 Mar 2014 08:10:12 -0000 Afaik, BIP73 needs an external server (the web server). On 03/20/2014 04:31 AM, Jeff Garzik wrote: > Take a look at BIP 73: > https://github.com/bitcoin/bips/blob/master/bip-0073.mediawiki > > > > > On Wed, Mar 19, 2014 at 10:22 PM, Alex Kotenko > wrote: > > Hi Andreas > > > I'm implementing support for BIP70 in my POS at the moment, and I've > just realized that with options you're proposing usecase I'm looking > for is not covered. > > Right now, before BIP70, I'm sending BIP21 URI via NFC or QR code, > and I need to still be able to use it for backwards compatibility. > But at the same time I want to be able to support BIP70. And also I > want to avoid using external servers, the concept of my POS is that > everything is happening between just payer's phone and payee's POS > device. This means that BIP72 HTTP(S) link inside Bitcoin URI is not > suitable for me. > > You're also offering an option to include Base43 encoded PR body > right inside the Bitcoin URI, but in a way that is not backwards > compatible with BIP21. > > In the end this all means that there is no way for me to at the same > time keep backwards compatibility with all wallets not supporting > NFC and BIP70 (all other wallets right now), and keep things inside > POS without need for external servers. > > I understand your intention behind base43 encoding and noncompatible > URI - you want to make most possible use of QR codes. But I wonder - > did you compare this base43 to base64 encoded request in a binary QR > code format? How much do we actually win in total bytes capacity at > a price of noncompatibility and increased complexity? > > And also maybe we can extend BIP72 to include encoded payment > request in the URL directly in a backwards compatible way? > > > Best regards, > Alex Kotenko > > > 2014-03-02 11:50 GMT+00:00 Mike Hearn >: > > Thanks Andreas. > > For BIP standardisation, I think the VIEW intent seems like an > obvious one. Bluetooth support probably should come later > if/when we put encryption/auth on the RFCOMM link (probably SSL). > > ------------------------------------------------------------------------------ > Flow-based real-time traffic analytics software. Cisco certified > tool. > Monitor traffic, SLAs, QoS, Medianet, WAAS etc. with NetFlow > Analyzer > Customize your own dashboards, set traffic alerts and generate > reports. > Network behavioral analysis & security monitoring. All-in-one tool. > http://pubads.g.doubleclick.net/gampad/clk?id=126839071&iu=/4140/ostg.clktrk > > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/bitcoin-development > > > > ------------------------------------------------------------------------------ > Learn Graph Databases - Download FREE O'Reilly Book > "Graph Databases" is the definitive new guide to graph databases and > their > applications. Written by three acclaimed leaders in the field, > this first edition is now available. Download your free book today! > http://p.sf.net/sfu/13534_NeoTech > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/bitcoin-development > > > > > -- > Jeff Garzik > Bitcoin core developer and open source evangelist > BitPay, Inc. https://bitpay.com/ > > > ------------------------------------------------------------------------------ > Learn Graph Databases - Download FREE O'Reilly Book > "Graph Databases" is the definitive new guide to graph databases and their > applications. Written by three acclaimed leaders in the field, > this first edition is now available. Download your free book today! > http://p.sf.net/sfu/13534_NeoTech > > > > _______________________________________________ > Bitcoin-development mailing list > Bitcoin-development@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/bitcoin-development >