summaryrefslogtreecommitdiff
path: root/54/a9b9fec7e1ad246dbcab829f2bf5f7e9e21502
blob: 5ab6a3b4e27fbd9d8c862f86861b9dea7210a3a1 (plain)
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
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 1Wk8s4-0007iA-71
	for bitcoin-development@lists.sourceforge.net;
	Tue, 13 May 2014 09:19:36 +0000
Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of bitpay.com
	designates 209.85.212.178 as permitted sender)
	client-ip=209.85.212.178; envelope-from=jgarzik@bitpay.com;
	helo=mail-wi0-f178.google.com; 
Received: from mail-wi0-f178.google.com ([209.85.212.178])
	by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128)
	(Exim 4.76) id 1Wk8s3-0002ea-AB
	for bitcoin-development@lists.sourceforge.net;
	Tue, 13 May 2014 09:19:36 +0000
Received: by mail-wi0-f178.google.com with SMTP id hm4so226776wib.17
	for <bitcoin-development@lists.sourceforge.net>;
	Tue, 13 May 2014 02:19:28 -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=nZg7QX+tKlUXKsrSjSths+q9iiJKywfTiysTP4LX3IQ=;
	b=D/MUpQ6cnhf0BcP1hg6sH5m/oGbsWDN7sgK0jb7EGyjgaEcKS3xJaKxnenaln80esK
	wsh9Qvwo6wOZjbh0X2RQqyMZQ1LLpPwjCGUMcaSvbE4I5LyOy9vT6fmHezaDivhgUUO6
	2bbf1HydsnATFVa1qmu2MV///KdAFpn9dx5K2OPPA1gl6zvUSt1Q2rI/8VMPraTNA4vD
	TY+k+QUlNWEBBdGL4ZSlHxADMHLlb23HXUgAta92o6kZE/TfqVd7jzD2HfmN1eWr2jk2
	oitMWd7a3sTyOUMhbq0IW0vCiOYSa8QwDw5vjuU9AfH9TEvc1VAhWRzt/Th8Lpmid2+H
	euHw==
X-Gm-Message-State: ALoCoQl8Qk57OY5klptwH9OZkapCTj1kseX43ILuhofzDzqHk++KLquSlU+ppBLUzBqnzN1agLai
X-Received: by 10.180.14.233 with SMTP id s9mr20194705wic.53.1399972768840;
	Tue, 13 May 2014 02:19:28 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.194.243.138 with HTTP; Tue, 13 May 2014 02:19:07 -0700 (PDT)
In-Reply-To: <20140509150325.GA30436@savin>
References: <CANEZrP3VNXSc2cd3b9pz9iC2BR0-vG=tfYwMyUGBGaWPq+geXQ@mail.gmail.com>
	<20140509150325.GA30436@savin>
From: Jeff Garzik <jgarzik@bitpay.com>
Date: Tue, 13 May 2014 05:19:07 -0400
Message-ID: <CAJHLa0M1T8XyiYNqbVp2ch_J1n-eE63UzXyb0XA9bDASGEnrLQ@mail.gmail.com>
To: Peter Todd <pete@petertodd.org>
Content-Type: text/plain; charset=UTF-8
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: 1Wk8s3-0002ea-AB
Cc: Bitcoin Dev <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] ECDH in the payment protocol
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: Tue, 13 May 2014 09:19:36 -0000

On Fri, May 9, 2014 at 11:03 AM, Peter Todd <pete@petertodd.org> wrote:
> Of course we quickly rejected the idea of depending solely on a
> communications backchannel to retrieve funds. Any communications medium
> that isn't the blockchain makes the payment non-atomic, and thus creates
> opportunities for it to fail.

This is extremely simple-minded logic that encourages ephemeral, junk
data in the blockchain.  Not a scalable approach.

The implication is to put the communications medium in the blockchain
itself, which is wrong.

-- 
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc.      https://bitpay.com/