summaryrefslogtreecommitdiff
path: root/d4/0ab63d12fdeeb34344eedb922e553dd5a7dac6
blob: cb700b97c448bc100eb13535d80518d37505351a (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
Received: from sog-mx-2.v43.ch3.sourceforge.com ([172.29.43.192]
	helo=mx.sourceforge.net)
	by sfs-ml-3.v29.ch3.sourceforge.com with esmtp (Exim 4.76)
	(envelope-from <gmaxwell@gmail.com>) id 1Qesdu-0006St-M1
	for bitcoin-development@lists.sourceforge.net;
	Thu, 07 Jul 2011 17:45:38 +0000
Received-SPF: pass (sog-mx-2.v43.ch3.sourceforge.com: domain of gmail.com
	designates 209.85.216.47 as permitted sender)
	client-ip=209.85.216.47; envelope-from=gmaxwell@gmail.com;
	helo=mail-qw0-f47.google.com; 
Received: from mail-qw0-f47.google.com ([209.85.216.47])
	by sog-mx-2.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128)
	(Exim 4.76) id 1Qesdt-0006qI-KE
	for bitcoin-development@lists.sourceforge.net;
	Thu, 07 Jul 2011 17:45:38 +0000
Received: by qwh5 with SMTP id 5so780337qwh.34
	for <bitcoin-development@lists.sourceforge.net>;
	Thu, 07 Jul 2011 10:45:32 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.229.131.66 with SMTP id w2mr802490qcs.254.1310060732035; Thu,
	07 Jul 2011 10:45:32 -0700 (PDT)
Received: by 10.229.83.196 with HTTP; Thu, 7 Jul 2011 10:45:31 -0700 (PDT)
In-Reply-To: <CANEZrP0L-8PmwLma4DJdfoj+NefXS0kH8wvVFe-vuyRnpF-+mw@mail.gmail.com>
References: <201107071049.48131.andyparkins@gmail.com>
	<CANEZrP0L-8PmwLma4DJdfoj+NefXS0kH8wvVFe-vuyRnpF-+mw@mail.gmail.com>
Date: Thu, 7 Jul 2011 13:45:31 -0400
Message-ID: <CAAS2fgRH-At6Y-MD7M77geRHMbX+F0Fpck_q2KtdDoJijySKFQ@mail.gmail.com>
From: Gregory Maxwell <gmaxwell@gmail.com>
To: Mike Hearn <mike@plan99.net>
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 FREEMAIL_FROM Sender email is commonly abused enduser mail provider
	(gmaxwell[at]gmail.com)
	-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
	0.0 AWL AWL: From: address is in the auto white-list
X-Headers-End: 1Qesdt-0006qI-KE
Cc: bitcoin-development@lists.sourceforge.net
Subject: Re: [Bitcoin-development] Suggestion for enhancements to getblock
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: Thu, 07 Jul 2011 17:45:38 -0000

On Thu, Jul 7, 2011 at 11:42 AM, Mike Hearn <mike@plan99.net> wrote:
[snip]
> You have to treat appearing deep in the chain as ipso-facto proof of
> validity. Lightweight/SPV clients simply must have that trust, it
> cannot be done any other way. See this article:
>
> http://code.google.com/p/bitcoinj/wiki/SecurityModel


It _could_ be done another way, with a protocol change:
http://forum.bitcoin.org/index.php?topic=21995.0