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From: Jeff Garzik <jgarzik@bitpay.com>
Date: Thu, 9 Apr 2015 07:22:52 -0700
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Cc: bitcoin-development <bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Build your own nHashType
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--001a11c308644162d105134b6330
Content-Type: text/plain; charset=UTF-8
On Thu, Apr 9, 2015 at 7:10 AM, Stephen Morse <stephencalebmorse@gmail.com>
wrote:
> Is hashing transaction data once for each input really a huge bottleneck,
> though? Do mobile devices have an issue with this?
>
Think about what slow transaction verification speed means. Slower
propagation across the network. More work per node. Greater opportunity
for algorithmic attacks, races and other shenanigans by attackers.
--
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc. https://bitpay.com/
--001a11c308644162d105134b6330
Content-Type: text/html; charset=UTF-8
Content-Transfer-Encoding: quoted-printable
<div dir=3D"ltr">On Thu, Apr 9, 2015 at 7:10 AM, Stephen Morse <span dir=3D=
"ltr"><<a href=3D"mailto:stephencalebmorse@gmail.com" target=3D"_blank">=
stephencalebmorse@gmail.com</a>></span> wrote:<br><div class=3D"gmail_ex=
tra"><div class=3D"gmail_quote"><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 class=3D"gmail_extra"><div class=3D"gmail_quote"><div>Is hashing =
transaction data once for each input really a huge bottleneck, though? Do m=
obile devices have an issue with this?</div><div></div></div></div></div></=
blockquote></div><div class=3D"gmail_extra"><br></div><div class=3D"gmail_e=
xtra"><br></div>Think about what slow transaction verification speed means.=
=C2=A0 Slower propagation across the network.=C2=A0 More work per node.=C2=
=A0 Greater opportunity for algorithmic attacks, races and other shenanigan=
s by attackers.<br><br>-- <br><div class=3D"gmail_signature">Jeff Garzik<br=
>Bitcoin core developer and open source evangelist<br>BitPay, Inc. =C2=A0 =
=C2=A0 =C2=A0<a href=3D"https://bitpay.com/" target=3D"_blank">https://bitp=
ay.com/</a></div>
</div></div>
--001a11c308644162d105134b6330--
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