From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org [172.17.192.35]) by mail.linuxfoundation.org (Postfix) with ESMTPS id 455EE92 for ; Thu, 23 Jun 2016 11:50:53 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from plane.gmane.org (plane.gmane.org [80.91.229.3]) by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 61E99166 for ; Thu, 23 Jun 2016 11:50:51 +0000 (UTC) Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1bG39h-0003tA-8X for bitcoin-dev@lists.linuxfoundation.org; Thu, 23 Jun 2016 13:50:45 +0200 Received: from x4e37d0c8.dyn.telefonica.de ([78.55.208.200]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 23 Jun 2016 13:50:45 +0200 Received: from andreas by x4e37d0c8.dyn.telefonica.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Thu, 23 Jun 2016 13:50:45 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: bitcoin-dev@lists.linuxfoundation.org From: Andreas Schildbach Date: Thu, 23 Jun 2016 13:50:16 +0200 Message-ID: References: <576A44F1.9050108@electrum.org> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@ger.gmane.org X-Gmane-NNTP-Posting-Host: x4e37d0c8.dyn.telefonica.de User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.8.0 In-Reply-To: X-Spam-Status: No, score=-3.2 required=5.0 tests=BAYES_00,DKIM_ADSP_ALL, RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD 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] Even more proposed BIP extensions to BIP 0070 X-BeenThere: bitcoin-dev@lists.linuxfoundation.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Bitcoin Protocol Discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 23 Jun 2016 11:50:53 -0000 On 06/22/2016 04:25 PM, Erik Aronesty via bitcoin-dev wrote: > > Only large merchants are able to maintain such an infrastructure; (even > Coinbase recently failed at it, they forgot to update their > certificate). For end users that is completely unpractical. > > > Payment protocol is for when you buy stuff from purse.io > , not really needed for face-to face transfers, end > users, IMO. What Andy said, plus there is an (unencrypted) version of BIP70 via Bluetooth already in place. And its used in several thousand face-to-face trades per day.