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
|
Return-Path: <gmaxwell@gmail.com>
Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org
[172.17.192.35])
by mail.linuxfoundation.org (Postfix) with ESMTPS id 3FDCD1BB
for <bitcoin-dev@lists.linuxfoundation.org>;
Thu, 28 Sep 2017 00:22:15 +0000 (UTC)
X-Greylist: whitelisted by SQLgrey-1.7.6
Received: from mail-ua0-f171.google.com (mail-ua0-f171.google.com
[209.85.217.171])
by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 964AE1AE
for <bitcoin-dev@lists.linuxfoundation.org>;
Thu, 28 Sep 2017 00:22:14 +0000 (UTC)
Received: by mail-ua0-f171.google.com with SMTP id y5so646862uai.2
for <bitcoin-dev@lists.linuxfoundation.org>;
Wed, 27 Sep 2017 17:22:14 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025;
h=mime-version:sender:in-reply-to:references:from:date:message-id
:subject:to:cc;
bh=ucwLC0f3rzQXvCj5LDixQIR+f7B8JngSZW9Ui+ETVQo=;
b=PKvK0EZFnDtpGaTO8BqQSDa9P1EsQzf6tXSIQext94kOJv/EYTUQ7LjeUpeqU8HLuS
MW8p1jN2D2jCL0plLzt9zP/6QLwxRF8rqXkvMzJzF+p0mqXwLjQwXRn45rmLfG6INKC3
5nl1GEvsE82TnJ/BhAqTGIKYGXE6wm7C7t5n040H7DrP11lZGMiXoqYoB+sXXCw09sy9
FIGpGFrgbBRQOP0OWeJWJsUvfsM+E+I/o2dMZ0c5WCgo1bTst9SLV+Hg7sSiuYjlSFhQ
v7yeAi0GlK9oL3TAeZ8nTL8J+O2pfMyJg5XT5l/V78znfiYNUlOckDzrkqfy606ysjx4
8wdQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
d=1e100.net; s=20161025;
h=x-gm-message-state:mime-version:sender:in-reply-to:references:from
:date:message-id:subject:to:cc;
bh=ucwLC0f3rzQXvCj5LDixQIR+f7B8JngSZW9Ui+ETVQo=;
b=cil1WdafHk6fC48mG/O3vFESFqMEwSKlVn04L16Y8sLRfcc0SkD7g4VluFRchUz6Bm
i887qfxr6PCivQEkSOvFEHh9TDlC2UzyYnZ2Yik6Ao2CutQ2YFD09MyF66QRGxyWOmFd
wL3kDPToe6RG3AfUWSN1ZPQR2kNtBRs6uZbkM9KuspUbpadTJoW4qtPXlt5j+U33g0pv
831rXnBEa4ZxGVnn/Eryl0cF/EDCnOnIF30V06RrBXIBNxV24HEnokXxAXlmVf6sl7xQ
2wLOYnDnK5qHtwSiZCiH6cNbTaEdKasvUg8YFfWzojURebotuAAf5U367NumUwr10CFo
uAlQ==
X-Gm-Message-State: AHPjjUhqZDOlnERHC7Tmv1WfKC5y0qE34Ah0Ze/sRR+ST/lx188ateMV
w4ilu9vV5bX9uANepuSS7DJRLE56oFEiwdVRapYMZw==
X-Google-Smtp-Source: AOwi7QCfTq9t2KcuHyxipVSSEkyCyUWXuBXcRC1wMJA6lDAPLJYDQJ0kruxwFYMB8B2Gj3OR17sek+/F9MMFXaIJxew=
X-Received: by 10.176.94.89 with SMTP id a25mr2288090uah.109.1506558133768;
Wed, 27 Sep 2017 17:22:13 -0700 (PDT)
MIME-Version: 1.0
Sender: gmaxwell@gmail.com
Received: by 10.103.146.78 with HTTP; Wed, 27 Sep 2017 17:22:13 -0700 (PDT)
In-Reply-To: <CAAcC9yvdw4Yphs-prpckaouzaU21D=kGRqK+gG9SbPr-=27z9w@mail.gmail.com>
References: <20170927160654.GA12492@savin.petertodd.org>
<CAAcC9yvdw4Yphs-prpckaouzaU21D=kGRqK+gG9SbPr-=27z9w@mail.gmail.com>
From: Gregory Maxwell <greg@xiph.org>
Date: Thu, 28 Sep 2017 00:22:13 +0000
X-Google-Sender-Auth: jFSDFJY0QW2Xzzf6xPHZLWzGtqI
Message-ID: <CAAS2fgQqae4mdSt2eg=Q2wXquUW5qmXBxg_vuiCC4O05rh0_2g@mail.gmail.com>
To: Chris Priest <cp368202@ohiou.edu>,
Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
Content-Type: text/plain; charset="UTF-8"
X-Spam-Status: No, score=0.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID,
FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, RCVD_IN_SORBS_SPAM autolearn=disabled
version=3.3.1
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
smtp1.linux-foundation.org
Subject: Re: [bitcoin-dev] Address expiration times should be added to
BIP-173
X-BeenThere: bitcoin-dev@lists.linuxfoundation.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Bitcoin Protocol Discussion <bitcoin-dev.lists.linuxfoundation.org>
List-Unsubscribe: <https://lists.linuxfoundation.org/mailman/options/bitcoin-dev>,
<mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=unsubscribe>
List-Archive: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/>
List-Post: <mailto:bitcoin-dev@lists.linuxfoundation.org>
List-Help: <mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=help>
List-Subscribe: <https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev>,
<mailto:bitcoin-dev-request@lists.linuxfoundation.org?subject=subscribe>
X-List-Received-Date: Thu, 28 Sep 2017 00:22:15 -0000
On Wed, Sep 27, 2017 at 7:35 PM, Chris Priest via bitcoin-dev
<bitcoin-dev@lists.linuxfoundation.org> wrote:
> A better solution is to just have the sending wallet check to see if the
> address you are about to send to has been used before.
So every wallet needs all the addresses ever used and a fast index into them?
This seems pretty harmful for scalability.
> they first consult the address expiration service,
So you propose a best practice that requires contacting a service and
telling them what addresses you're planning on paying? This seems
pretty harmful for privacy.
|
