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From: "Charlie 'Charles' Shrem" <cs@charlieshrem.com>
Date: Thu, 13 Jul 2017 17:18:58 -0400
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Subject: Re: [bitcoin-dev] A Segwit2x BIP
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Andrew,

Block 475776 and block 477792 (July 26) are the last 2 difficulty
adjustment periods before Aug 1st.

Charlie

On Thu, Jul 13, 2017 at 3:48 PM, Andrew Chow via bitcoin-dev <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> What's special about block 475776?
>
> On July 13, 2017 12:23:46 PM Sergio Demian Lerner via bitcoin-dev <
> bitcoin-dev@lists.linuxfoundation.org> wrote:
>
>> The BIP has been updated.
>>
>> Changes:
>> - The technical spec has been improved: now the block size increase is
>> specified in terms of weight and not in terms of bytes.
>> - The increase in the maximum block sigops after HF has been documented.
>> - Comments added about the worst case block size.
>>
>> Happy weekend! And don't forget to start signaling something before bloc=
k
>> 475776 !  It's just 90 blocks away.
>> Bit 1 or 4,1 or whatever you wish, but please signal something.
>>
>> To the moon!
>>
>>
>> On Wed, Jul 12, 2017 at 2:38 PM, Jorge Tim=C3=B3n via bitcoin-dev <
>> bitcoin-dev@lists.linuxfoundation.org> wrote:
>>
>>>
>>>
>>> On 12 Jul 2017 2:31 pm, "Tom Zander via bitcoin-dev" <
>>> bitcoin-dev@lists.linuxfoundation.org> wrote:
>>>
>>> On Monday, 10 July 2017 20:38:08 CEST Jorge Tim=C3=B3n via bitcoin-dev =
wrote:
>>> > I think anything less than 1 year after release of tested code by som=
e
>>> > implementation would be irresponsible for any hardfork, even a very
>>> > simple one.
>>>
>>> Good news!
>>>
>>> Code to support 2x (the hard fork part of the proposal) has been out an=
d
>>> tested for much longer than that.
>>>
>>>
>>> Not true. It's different code on top of segwit. The first attempt in
>>> btc1 (very recent) didn't even increased the size (because it changed t=
he
>>> meaningless "base size" without touching the weight limit. As for the
>>> current code, I don't think it has been properly tested today, let alon=
e
>>> "for mucj longer than 1 year.
>>> Anyway, I said, one year from tested release. Segwitx2 hasn't been
>>> released, has it? If so, too late to discuss a bip imo, the bip may end=
 up
>>> being different from what has been released due to feedback (unless it =
is
>>> ignored again, of course).
>>>
>>>
>>> --
>>> Tom Zander
>>> Blog: https://zander.github.io
>>> Vlog: https://vimeo.com/channels/tomscryptochannel
>>> _______________________________________________
>>> bitcoin-dev mailing list
>>> bitcoin-dev@lists.linuxfoundation.org
>>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>>>
>>>
>>>
>>> _______________________________________________
>>> bitcoin-dev mailing list
>>> bitcoin-dev@lists.linuxfoundation.org
>>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>>>
>>>
>> _______________________________________________
>> bitcoin-dev mailing list
>> bitcoin-dev@lists.linuxfoundation.org
>> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>>
>>
> _______________________________________________
> bitcoin-dev mailing list
> bitcoin-dev@lists.linuxfoundation.org
> https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev
>
>

--001a113ad72c4bdfe80554397ca3
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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:arial,he=
lvetica,sans-serif;font-size:small;color:rgb(0,0,0)">Andrew,=C2=A0</div><di=
v class=3D"gmail_default" style=3D"font-family:arial,helvetica,sans-serif;f=
ont-size:small;color:rgb(0,0,0)"><br></div><div class=3D"gmail_default"><fo=
nt color=3D"#000000" face=3D"arial, helvetica, sans-serif">Block 475776 and=
 block 477792 (</font><span style=3D"color:rgb(0,0,0);font-family:arial,hel=
vetica,sans-serif">July 26</span><span style=3D"color:rgb(0,0,0);font-famil=
y:arial,helvetica,sans-serif">) are the last 2 difficulty adjustment period=
s before Aug 1st.=C2=A0</span></div><div class=3D"gmail_default"><span styl=
e=3D"color:rgb(0,0,0);font-family:arial,helvetica,sans-serif"><br></span></=
div><div class=3D"gmail_default"><span style=3D"color:rgb(0,0,0);font-famil=
y:arial,helvetica,sans-serif">Charlie</span></div><div class=3D"gmail_extra=
">
<br><div class=3D"gmail_quote">On Thu, Jul 13, 2017 at 3:48 PM, Andrew Chow=
 via bitcoin-dev <span dir=3D"ltr">&lt;<a href=3D"mailto:bitcoin-dev@lists.=
linuxfoundation.org" target=3D"_blank">bitcoin-dev@lists.linuxfoundation.or=
g</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margi=
n:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">


<div>
<div style=3D"color:black">
<div style=3D"color:black">
<p style=3D"margin:0 0 1em 0;color:black">What&#39;s special about block
475776?</p>
</div><div><div class=3D"h5">
<div style=3D"color:black">
<p style=3D"color:black;font-size:10pt;font-family:Arial,sans-serif;margin:=
10pt 0">On
July 13, 2017 12:23:46 PM Sergio Demian Lerner via bitcoin-dev
&lt;<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D"_bla=
nk">bitcoin-dev@lists.<wbr>linuxfoundation.org</a>&gt; wrote:</p>
<blockquote type=3D"cite" class=3D"gmail_quote" style=3D"margin:0 0 0 0.75e=
x;border-left:1px solid #808080;padding-left:0.75ex">
<div dir=3D"ltr">The BIP has been
updated.<div><br></div><div>Changes:<br><div>- The technical spec has been
improved: now the block size increase is specified in terms of weight and
not in terms of bytes.</div><div>- The increase in the maximum block sigops
after HF has been documented.</div><div>- Comments added about the worst
case block size.</div><div><br></div><div>Happy weekend! And don&#39;t
forget to start signaling something before block 475776 !=C2=A0 It&#39;s ju=
st 90
blocks away.</div><div>Bit 1 or 4,1 or whatever you wish, but please signal
something.</div><div><br></div><div>To the
moon!</div><div><br></div></div></div><div class=3D"gmail_extra"><br><div c=
lass=3D"gmail_quote">On Wed, Jul 12, 2017 at 2:38 PM, Jorge Tim=C3=B3n via
bitcoin-dev <span dir=3D"ltr">&lt;<a href=3D"mailto:bitcoin-dev@lists.linux=
foundation.org" target=3D"_blank">bitcoin-dev@lists.<wbr>linuxfoundation.or=
g</a>&gt;</span>
wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bord=
er-left:1px #ccc solid;padding-left:1ex"><div dir=3D"auto"><span><div><br><=
div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On 12 Jul 2017 2:3=
1 pm, &quot;Tom Zander via
bitcoin-dev&quot; &lt;<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.o=
rg" target=3D"_blank">bitcoin-dev@lists.linuxfounda<wbr>tion.org</a>&gt;
wrote:<br type=3D"attribution"><blockquote class=3D"m_-1494302970760108350m=
_7641680335976316197quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc =
solid;padding-left:1ex"><div class=3D"m_-1494302970760108350m_7641680335976=
316197quoted-text">On Monday, 10 July 2017 20:38:08
CEST Jorge Tim=C3=B3n via bitcoin-dev wrote:<br>
&gt; I think anything less than 1 year after release of tested code by some=
<br>
&gt; implementation would be irresponsible for any hardfork, even a very<br=
>
&gt; simple one.<br>
<br>
</div>Good news!<br>
<br>
Code to support 2x (the hard fork part of the proposal) has been out and<br=
>
tested for much longer than that.<br></blockquote></div></div></div><div di=
r=3D"auto"><br></div></span><div dir=3D"auto">Not true. It&#39;s different
code on top of segwit. The first attempt in btc1 (very recent) didn&#39;t
even increased the size (because it changed the meaningless &quot;base
size&quot; without touching the weight limit. As for the current code, I
don&#39;t think it has been properly tested today, let alone &quot;for mucj
longer than 1 year.</div><div dir=3D"auto">Anyway, I said, one year from
tested release. Segwitx2 hasn&#39;t been released, has it? If so, too late
to discuss a bip imo, the bip may end up being different from what has been
released due to feedback (unless it is ignored again, of
course).</div><span><div dir=3D"auto"><br></div><div dir=3D"auto"><br></div=
><div dir=3D"auto"><div class=3D"gmail_extra"><div class=3D"gmail_quote"><b=
lockquote class=3D"m_-1494302970760108350m_7641680335976316197quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<font color=3D"#888888">--<br>
Tom Zander<br>
Blog: <a href=3D"https://zander.github.io" rel=3D"noreferrer" target=3D"_bl=
ank">https://zander.github.io</a><br>
Vlog: <a href=3D"https://vimeo.com/channels/tomscryptochannel" rel=3D"noref=
errer" target=3D"_blank">https://vimeo.com/channels/tom<wbr>scryptochannel<=
/a><br>
</font><div class=3D"m_-1494302970760108350m_7641680335976316197elided-text=
">______________________________<wbr>_________________<br>
bitcoin-dev mailing list<br>
<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D"_blank">=
bitcoin-dev@lists.linuxfoundat<wbr>ion.org</a><br>
<a href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev" =
rel=3D"noreferrer" target=3D"_blank">https://lists.linuxfoundation.<wbr>org=
/mailman/listinfo/bitcoin-d<wbr>ev</a><br>
</div></blockquote></div><br></div></div></span></div>
<br>______________________________<wbr>_________________<br>
bitcoin-dev mailing list<br>
<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org" target=3D"_blank">=
bitcoin-dev@lists.linuxfoundat<wbr>ion.org</a><br>
<a href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev" =
rel=3D"noreferrer" target=3D"_blank">https://lists.linuxfoundation.<wbr>org=
/mailman/listinfo/bitcoin-d<wbr>ev</a><br>
<br></blockquote></div><br></div>

______________________________<wbr>_________________<br>
bitcoin-dev mailing list<br>
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towrap" href=3D"mailto:bitcoin-dev%40lists.linuxfoundation.org" target=3D"_=
blank">bitcoin-dev@lists.<wbr>linuxfoundation.org</a><br>
<a class=3D"m_-1494302970760108350aqm-autolink m_-1494302970760108350aqm-au=
towrap" href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-=
dev" target=3D"_blank">https://lists.linuxfoundation.<wbr>org/mailman/listi=
nfo/bitcoin-<wbr>dev</a><br>
<br>
</blockquote>
</div>
</div></div></div>
</div>

<br>______________________________<wbr>_________________<br>
bitcoin-dev mailing list<br>
<a href=3D"mailto:bitcoin-dev@lists.linuxfoundation.org">bitcoin-dev@lists.=
<wbr>linuxfoundation.org</a><br>
<a href=3D"https://lists.linuxfoundation.org/mailman/listinfo/bitcoin-dev" =
rel=3D"noreferrer" target=3D"_blank">https://lists.linuxfoundation.<wbr>org=
/mailman/listinfo/bitcoin-<wbr>dev</a><br>
<br></blockquote></div><br></div></div>

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