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authorMarek Palatinus <marek@palatinus.cz>2016-05-11 15:08:57 +0200
committerbitcoindev <bitcoindev@gnusha.org>2016-05-11 13:09:29 +0000
commit1cee8e0d25d462bf0871fa3fdd27bce408654448 (patch)
tree44d5cdef0752a99109e9cf4326c6aeeb1031a578
parent9cbf1d7471cb2af1543b6591688b6702256c5b9a (diff)
downloadpi-bitcoindev-1cee8e0d25d462bf0871fa3fdd27bce408654448.tar.gz
pi-bitcoindev-1cee8e0d25d462bf0871fa3fdd27bce408654448.zip
Re: [bitcoin-dev] Making AsicBoost irrelevant
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+From: Marek Palatinus <marek@palatinus.cz>
+Date: Wed, 11 May 2016 15:08:57 +0200
+Message-ID: <CAJna-HjM-4D4EXMkeSSquRT3r0TMWd+zL8ZRZZ5iQfesqZdB2g@mail.gmail.com>
+To: Sergio Demian Lerner <sergio.d.lerner@gmail.com>,
+ Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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+Subject: Re: [bitcoin-dev] Making AsicBoost irrelevant
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+--94eb2c060c164dc27c053290c06d
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+
+Ehm, I though those discussions about "ASICs are bad, because X" ended
+years ago by starting "ASIC unfriendly" altcoins. ASIC industry is twisted
+even without AsicBoost. I don't see any particular reason why to change
+rules just because of 10% edge.
+
+This is opening Pandora box and it is potentially extremely dangerous for
+the health of the network. You cannot know in advance what you'll break by
+changing the rules.
+
+Disclaimer: I don't have any stake in any ASIC company/facility.
+
+slush
+
+On Wed, May 11, 2016 at 2:20 PM, Sergio Demian Lerner via bitcoin-dev <
+bitcoin-dev@lists.linuxfoundation.org> wrote:
+
+>
+>
+> On Tue, May 10, 2016 at 6:43 PM, Sergio Demian Lerner <
+> sergio.d.lerner@gmail.com> wrote:
+>
+>>
+>>
+>> You can find it here:
+>> https://bitslog.wordpress.com/2014/03/18/the-re-design-of-the-bitcoin-block-header/
+>>
+>> Basically, the idea is to put in the first 64 bytes a 4 byte hash of the
+>> second 64-byte chunk. That design also allows increased nonce space in the
+>> first 64 bytes.
+>>
+>> My mistake here. I didn't recalled correctly my own idea. The idea is to
+> include in the second 64-byte chunk a 4-byte hash of the first chunk, not
+> the opposite.
+>
+>
+> _______________________________________________
+> bitcoin-dev mailing list
+> bitcoin-dev@lists.linuxfoundation.org
+> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
+>
+>
+
+--94eb2c060c164dc27c053290c06d
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+
+<div dir=3D"ltr">Ehm, I though those discussions about &quot;ASICs are bad,=
+ because X&quot; ended years ago by starting &quot;ASIC unfriendly&quot; al=
+tcoins.=C2=A0ASIC industry is twisted even without AsicBoost. I don&#39;t s=
+ee any particular reason why to change rules just because of 10%=C2=A0edge.=
+<div><br></div><div>This is opening Pandora box and it is potentially extre=
+mely dangerous for the health of the network. You cannot know in advance wh=
+at you&#39;ll break by changing the rules.</div><div><br></div><div>Disclai=
+mer: I don&#39;t have any stake in any ASIC company/facility.</div><div><br=
+></div><div>slush</div></div><div class=3D"gmail_extra"><br><div class=3D"g=
+mail_quote">On Wed, May 11, 2016 at 2:20 PM, Sergio Demian Lerner via bitco=
+in-dev <span dir=3D"ltr">&lt;<a href=3D"mailto:bitcoin-dev@lists.linuxfound=
+ation.org" target=3D"_blank">bitcoin-dev@lists.linuxfoundation.org</a>&gt;<=
+/span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
+ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><br><div c=
+lass=3D"gmail_extra"><br><div class=3D"gmail_quote"><span class=3D"">On Tue=
+, May 10, 2016 at 6:43 PM, Sergio Demian Lerner <span dir=3D"ltr">&lt;<a hr=
+ef=3D"mailto:sergio.d.lerner@gmail.com" target=3D"_blank">sergio.d.lerner@g=
+mail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=
+=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=
+=3D"ltr"><div><div><div><div><br><div><br></div>You can find it here: <a hr=
+ef=3D"https://bitslog.wordpress.com/2014/03/18/the-re-design-of-the-bitcoin=
+-block-header/" target=3D"_blank">https://bitslog.wordpress.com/2014/03/18/=
+the-re-design-of-the-bitcoin-block-header/</a><br></div><div><br></div>Basi=
+cally, the idea is to put in the first 64 bytes a 4 byte hash of the second=
+ 64-byte chunk. That design also allows increased nonce space in the first =
+64 bytes. <br><br></div></div></div></div></blockquote></span><div>My mista=
+ke here. I didn&#39;t recalled correctly my own idea. The idea is to includ=
+e in the second 64-byte chunk a 4-byte hash of the first chunk, not the opp=
+osite. <br><div><br></div></div></div></div></div>
+<br>_______________________________________________<br>
+bitcoin-dev mailing list<br>
+<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org">bitcoin-dev@lists.=
+linuxfoundation.org</a><br>
+<a href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev" =
+rel=3D"noreferrer" target=3D"_blank">https://lists.linuxfoundation.org/mail=
+man/listinfo/bitcoin-dev</a><br>
+<br></blockquote></div><br></div>
+
+--94eb2c060c164dc27c053290c06d--
+