1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
|
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 <jgarzik@bitpay.com>) 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 <bitcoin-development@lists.sourceforge.net>;
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: <CALDj+BbX+ejz+diWDGFJUyOLR6+GnbDyiiNpmEbHybNBj=jL7A@mail.gmail.com>
References: <lc5hmg$1jh$1@ger.gmane.org> <leuunm$tjk$1@ger.gmane.org>
<CANEZrP3nQfvDArKTRgje0Cus4G2JD_zpxSjA3fXfxM2TNAP80Q@mail.gmail.com>
<CALDj+BafD+6KTNcYDBEu5gNPzYozSkiC-JCxrY-PzXL2DYBRsw@mail.gmail.com>
<CAJHLa0N4J_Z907+D0ENSNKfNAW2N=7Jf4JzSCO=SU558GtGTzA@mail.gmail.com>
<lge7nk$3mf$2@ger.gmane.org>
<CANEZrP0J849oDvMWjf8LWi0xj44Q8DaUwDip5_smVBMNgeQ3mw@mail.gmail.com>
<20140320121221.GA25052@netbook.cypherspace.org>
<CAJHLa0NeFdXzioQrmK6iKzr85pL3vvTAQH2_vKM3M+T+ZWYjgQ@mail.gmail.com>
<lgh47n$tnn$2@ger.gmane.org>
<CALDj+BbX+ejz+diWDGFJUyOLR6+GnbDyiiNpmEbHybNBj=jL7A@mail.gmail.com>
From: Jeff Garzik <jgarzik@bitpay.com>
Date: Sat, 22 Mar 2014 12:35:43 -0400
Message-ID: <CAJHLa0OK1vRiqoHDNYrbO9fNTa8tcY9dMsJ5fC0qpsHS80zvbg@mail.gmail.com>
To: Alex Kotenko <alexykot@gmail.com>
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 <bitcoin-development@lists.sourceforge.net>,
Andreas Schildbach <andreas@schildbach.de>
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: <bitcoin-development.lists.sourceforge.net>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
<mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development>
List-Post: <mailto:bitcoin-development@lists.sourceforge.net>
List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
<mailto:bitcoin-development-request@lists.sourceforge.net?subject=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 <alexykot@gmail.com> wrote:
> 2014-03-21 10:28 GMT+00:00 Andreas Schildbach <andreas@schildbach.de>:
>>
>> 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/
|
