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
|
Return-Path: <daniele.pinna@gmail.com>
Received: from smtp1.linuxfoundation.org (smtp1.linux-foundation.org
[172.17.192.35])
by mail.linuxfoundation.org (Postfix) with ESMTPS id D807B19FE
for <bitcoin-dev@lists.linuxfoundation.org>;
Fri, 2 Oct 2015 08:31:54 +0000 (UTC)
X-Greylist: whitelisted by SQLgrey-1.7.6
Received: from mail-vk0-f53.google.com (mail-vk0-f53.google.com
[209.85.213.53])
by smtp1.linuxfoundation.org (Postfix) with ESMTPS id 5F4CAEC
for <bitcoin-dev@lists.linuxfoundation.org>;
Fri, 2 Oct 2015 08:31:54 +0000 (UTC)
Received: by vkat63 with SMTP id t63so55618703vka.1
for <bitcoin-dev@lists.linuxfoundation.org>;
Fri, 02 Oct 2015 01:31:53 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;
h=mime-version:in-reply-to:references:from:date:message-id:subject:to
:cc:content-type;
bh=0uulkCZIwhRZbWMTl0qk9UQYo8ZWEEvjQ+m3PpowvCY=;
b=VLofCumt2L+aZsjzTA4UpGBbmmOFJXutkdA+WwkMHIjSdNy1xvHXze/fqdTwTALVHf
hrNoGlZ0lXhIDt8aHzNY737Loft3JFKWuzc2gak23oG552Pi0aw1XbZeF35RWkmkAEt2
E78X+VHjcZOXRIesQZsWxqIWSKs0nBgDcwK6oTlVFkOOtd+DGN1771WQLKT1Zz1V1hvW
DKLom+hZGRq134/d2iLpoVXahWDTgy5v2/dbNhJeNvNzKMz2YZ0bGJFQINvpVkh8CZMy
HTLLLYGsJi6Cjoio2TI6MaDn5a/hxCZWVU110/jNZY+QemolKVP//VNlKSgE+LneIwgE
ierA==
X-Received: by 10.31.190.6 with SMTP id o6mr9748468vkf.120.1443774713711; Fri,
02 Oct 2015 01:31:53 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.31.1.69 with HTTP; Fri, 2 Oct 2015 01:31:34 -0700 (PDT)
In-Reply-To: <CABm2gDrOt2m6xfYjtVJne6Cm2nawXtA2-a4y7kaEA1fEgkUUUA@mail.gmail.com>
References: <CAEgR2PFQtr78B3t147=3Ko4VnTGevb0QCySk=hDSqeFHZk=MPQ@mail.gmail.com>
<CABm2gDrOt2m6xfYjtVJne6Cm2nawXtA2-a4y7kaEA1fEgkUUUA@mail.gmail.com>
From: Daniele Pinna <daniele.pinna@gmail.com>
Date: Fri, 2 Oct 2015 10:31:34 +0200
Message-ID: <CAEgR2PFwmeWQFCVX-Na9Lf4S1zoLAE57cDGteiyaYQ-GLjssqg@mail.gmail.com>
To: =?UTF-8?B?Sm9yZ2UgVGltw7Nu?= <jtimon@jtimon.cc>
Content-Type: multipart/alternative; boundary=001a11c019c0f2558905211afe14
X-Spam-Status: No, score=-2.7 required=5.0 tests=BAYES_00,DKIM_SIGNED,
DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_LOW
autolearn=ham version=3.3.1
X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on
smtp1.linux-foundation.org
Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] Dev-list's stance on potentially altering the PoW
algorithm
X-BeenThere: bitcoin-dev@lists.linuxfoundation.org
X-Mailman-Version: 2.1.12
Precedence: list
List-Id: Bitcoin Development 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: Fri, 02 Oct 2015 08:31:55 -0000
--001a11c019c0f2558905211afe14
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
Interesting! I didn't notice BIP 99's anti-miner hardfork proposal....
thanks for pointing it out to me.
Dpinna
Daniele Pinna, Ph.D
On Fri, Oct 2, 2015 at 10:20 AM, Jorge Tim=C3=B3n <jtimon@jtimon.cc> wrote:
>
> On Oct 2, 2015 10:03 AM, "Daniele Pinna via bitcoin-dev" <
> bitcoin-dev@lists.linuxfoundation.org> wrote:
> >
> > should an algorithm that guarantees protection from ASIC/FPGA
> optimization be found.
>
> This is demonstrably impossible: anything that can be done with software
> can be done with hardware. This is computer science 101.
> And specialized hardware can always be more efficient, at least
> energy-wise.
>
> On the other hand, BIP99 explicitly contemplates "anti-miner hardforks"
> (obviously not for so called "ASIC-resistance" [an absurd term coined to
> promote some altcoins], but just for restarting the ASIC and mining marke=
t
> in case mining becomes too centralized).
>
--001a11c019c0f2558905211afe14
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr"><div>Interesting! I didn't notice BIP 99's anti-mi=
ner hardfork proposal.... thanks for pointing it out to me.<br><br></div>Dp=
inna<br></div><div class=3D"gmail_extra"><br clear=3D"all"><div><div class=
=3D"gmail_signature"><div dir=3D"ltr"><div>Daniele Pinna, Ph.D</div></div><=
/div></div>
<br><div class=3D"gmail_quote">On Fri, Oct 2, 2015 at 10:20 AM, Jorge Tim=
=C3=B3n <span dir=3D"ltr"><<a href=3D"mailto:jtimon@jtimon.cc" target=3D=
"_blank">jtimon@jtimon.cc</a>></span> wrote:<br><blockquote class=3D"gma=
il_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-lef=
t:1ex"><span class=3D""><p dir=3D"ltr"><br>
On Oct 2, 2015 10:03 AM, "Daniele Pinna via bitcoin-dev" <<a h=
ref=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D"_blank">bitc=
oin-dev@lists.linuxfoundation.org</a>> wrote:<br>
><br>
> should an algorithm that guarantees protection from ASIC/FPGA optimiza=
tion be found.</p>
</span><p dir=3D"ltr">This is demonstrably impossible: anything that can be=
done with software can be done with hardware. This is computer science 101=
.<br>
And specialized hardware can always be more efficient, at least energy-wise=
. </p>
<p dir=3D"ltr">On the other hand, BIP99 explicitly contemplates "anti-=
miner hardforks" (obviously not for so called "ASIC-resistance&qu=
ot; [an absurd term coined to promote some altcoins], but just for restarti=
ng the ASIC and mining market in case mining becomes too centralized).</p>
</blockquote></div><br></div>
--001a11c019c0f2558905211afe14--
|
