From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WROu2-0004Dq-EC for bitcoin-development@lists.sourceforge.net; Sat, 22 Mar 2014 16:36:10 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of bitpay.com designates 209.85.213.48 as permitted sender) client-ip=209.85.213.48; envelope-from=jgarzik@bitpay.com; helo=mail-yh0-f48.google.com; Received: from mail-yh0-f48.google.com ([209.85.213.48]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WROu1-0007dB-71 for bitcoin-development@lists.sourceforge.net; Sat, 22 Mar 2014 16:36:10 +0000 Received: by mail-yh0-f48.google.com with SMTP id z6so3624697yhz.7 for ; Sat, 22 Mar 2014 09:36:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=mLMWBTIFAsnwVUWw9zgOyleqnmRGvhaYp/V97R7c+jU=; b=cV17O70dlE/UDojqlQuKohT7eKKaGXICcXBhwkVM5qztihcoEwib1Xuw2a5jcGstiS 7Kfjs1qTEyiqlYepWd4lvPzgRmsSSKhpVZjuN+L9nzNZJt4jhRno2L+yyQyIj4ThqPgL ZjfGz2pQnDPF9Fkjv4H6d3pQKxnS/Ppsg6jt+06XyOhBZmXAVZP6xIdzLhRVeAkY3Zbt Uxl0K7JlABwc+eatwX3+yZi1dK0avF034sBo2H0SP4lFq88gcHKMJj5A3O3LbFDuctuP k+S+Gz5pd9sQJ6ebTgJ/5SPFD8YlgDpmuq5Gtb/sRrvNtxwjomSK4fayH8mZ/RlnrkNJ qZRQ== X-Gm-Message-State: ALoCoQnpHccrdqgWHOn8nQKH6NhbR0Ya6OAOR0iTViB+iTS9Wc4IrQ4qC5BB92AethafpFiPB6+C X-Received: by 10.236.94.103 with SMTP id m67mr51322798yhf.7.1395506163630; Sat, 22 Mar 2014 09:36:03 -0700 (PDT) MIME-Version: 1.0 Received: by 10.170.162.214 with HTTP; Sat, 22 Mar 2014 09:35:43 -0700 (PDT) In-Reply-To: References: <20140320121221.GA25052@netbook.cypherspace.org> From: Jeff Garzik Date: Sat, 22 Mar 2014 12:35:43 -0400 Message-ID: To: Alex Kotenko Content-Type: text/plain; charset=ISO-8859-1 X-Spam-Score: -1.6 (-) 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 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1WROu1-0007dB-71 Cc: Bitcoin Dev , Andreas Schildbach 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: Sat, 22 Mar 2014 16:36:10 -0000 Let's not pull out silly examples. Of course you can find locations that lack Internet. Those locations are completely unsuitable to bitcoin transactions, since the receiver cannot verify double-spending or anything else about the transaction. On Fri, Mar 21, 2014 at 9:59 AM, Alex Kotenko wrote: > 2014-03-21 10:28 GMT+00:00 Andreas Schildbach : >> >> On 03/20/2014 06:31 PM, Jeff Garzik wrote: >> >> >> Afaik, BIP73 needs an external server (the web server). >> > >> > Yes. Internet connectivity is not a rarity these days. Near-field >> > web servers also work fine. >> >> Unfortunately it still is. At least here in Germany. > > Yes, it is a problem. Even in the middle of London you often can get into > situation when cellphone network connectivity is not good enough for quick > and reliable payment. Basement pubs, old buildings with thick walls, > overcrowded places with overloaded radio environment. We should not rely on > mobile connectivity in things like making payments. > > >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> 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 > > > > ------------------------------------------------------------------------------ > 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/