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Date: Sun, 8 Mar 2015 20:23:56 +0800
Message-ID: <CAM7BtUqNvCSGkaMCBd9-6jchCQyofRMEfqdSnxtwpQpvkRo19Q@mail.gmail.com>
From: Pindar Wong <pindar.wong@gmail.com>
To: Andrew Miller <amiller@cs.umd.edu>
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Cc: Bitcoin Dev <Bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] New paper: Research Perspectives and
 Challenges for Bitcoin and Cryptocurrencies
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*Spendid* work Andrew (and all the other authors). Well done.

This is a timely paper that deserves significantly wider circulation and
comment.

FWIW, Joichi Ito, from the MIT media Lab, made reference to your work
during yesterday's MIT Bitcoin Expo
<https://www.youtube.com/watch?v=3DlIgjogLipvk>[@ 2:46:54]

p.


On Wed, Mar 4, 2015 at 11:28 PM, Mike Hearn <mike@plan99.net> wrote:

> Nice, Andrew.
>
> Just one minor point. SPV clients do not need to maintain an ever growing
> list of PoW solutions. BitcoinJ uses a ring buffer with 5000 headers and
> thus has O(1) disk usage. Re-orgs past the event horizon cannot be
> processed but are assumed to be sufficiently rare that manual interventio=
n
> would be acceptable.
>
> On Mon, Mar 2, 2015 at 8:48 AM, Andrew Miller <amiller@cs.umd.edu> wrote:
>
>> We (Joseph Bonneau, myself Arvind Narayanan, Jeremy Clark, Ed Felten,
>> Josh Kroll -- from Stanford, Maryland, Concordia, Princeton) have
>> written a =E2=80=9Csystemization=E2=80=9D paper about Bitcoin-related re=
search. It=E2=80=99s
>> going to appear in the Oakland security conference later this year
>> (IEEE Security and Privacy) but we wanted to announce a draft to this
>> community ahead of time.
>>
>> http://www.jbonneau.com/doc/BMCNKF15-IEEESP-bitcoin.pdf
>>
>> One of the main goals of our work is to build a bridge between the
>> computer science research community and the cryptocurrency community.
>> Many of the most interesting ideas and proposals for Bitcoin come from
>> this mailing list and forums/wikis/irc channels, where many academic
>> researchers simply don=E2=80=99t know to look! In fact, we started out b=
y
>> scraping all the interesting posts/articles we could find and trying
>> to figure out how we could organize them. We hope our paper helps some
>> of the best ideas and research questions from the Bitcoin community
>> bubble up and inspires researchers to build on them.
>>
>> We didn=E2=80=99t limit our scope to Bitcoin, but we also decided not to
>> provide a complete survey of altcoins and other next-generation
>> cryptocurrency designs. Instead, we tried to explain all the
>> dimensions along which these designs differ from Bitcoin.
>>
>> This effort has roughly been in progress over two years, though it
>> stopped and restarted several times along the way.
>>
>> If anyone has comments or suggestions, we still have a week before the
>> final version is due, and regardless we plan to continue updating our
>> online version for the forseeable future.
>>
>>
>> ------------------------------------------------------------------------=
------
>> Dive into the World of Parallel Programming The Go Parallel Website,
>> sponsored
>> by Intel and developed in partnership with Slashdot Media, is your hub
>> for all
>> things parallel software development, from weekly thought leadership
>> blogs to
>> news, videos, case studies, tutorials and more. Take a look and join the
>> conversation now. http://goparallel.sourceforge.net/
>> _______________________________________________
>> Bitcoin-development mailing list
>> Bitcoin-development@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>>
>
>
>
> -------------------------------------------------------------------------=
-----
> Dive into the World of Parallel Programming The Go Parallel Website,
> sponsored
> by Intel and developed in partnership with Slashdot Media, is your hub fo=
r
> all
> things parallel software development, from weekly thought leadership blog=
s
> to
> news, videos, case studies, tutorials and more. Take a look and join the
> conversation now. http://goparallel.sourceforge.net/
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
>

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<div dir=3D"ltr"><div><div><div>*Spendid* work Andrew (and all the other au=
thors). Well done.<br><br></div>This is a timely paper that deserves signif=
icantly wider circulation and comment. <br><br></div>FWIW, Joichi Ito, from=
 the MIT media Lab, made reference to your work during yesterday&#39;s <a h=
ref=3D"https://www.youtube.com/watch?v=3DlIgjogLipvk">MIT Bitcoin Expo=C2=
=A0 </a>[@ 2:46:54]<br><br></div>p.<br><br></div><div class=3D"gmail_extra"=
><br><div class=3D"gmail_quote">On Wed, Mar 4, 2015 at 11:28 PM, Mike Hearn=
 <span dir=3D"ltr">&lt;<a href=3D"mailto:mike@plan99.net" target=3D"_blank"=
>mike@plan99.net</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"><d=
iv dir=3D"ltr">Nice, Andrew.<div><br></div><div>Just one minor point. SPV c=
lients do not need to maintain an ever growing list of PoW solutions. Bitco=
inJ uses a ring buffer with 5000 headers and thus has O(1) disk usage. Re-o=
rgs past the event horizon cannot be processed but are assumed to be suffic=
iently rare that manual intervention would be acceptable.</div></div><div c=
lass=3D"HOEnZb"><div class=3D"h5"><div class=3D"gmail_extra"><br><div class=
=3D"gmail_quote">On Mon, Mar 2, 2015 at 8:48 AM, Andrew Miller <span dir=3D=
"ltr">&lt;<a href=3D"mailto:amiller@cs.umd.edu" target=3D"_blank">amiller@c=
s.umd.edu</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">We (Jose=
ph Bonneau, myself Arvind Narayanan, Jeremy Clark, Ed Felten,<br>
Josh Kroll -- from Stanford, Maryland, Concordia, Princeton) have<br>
written a =E2=80=9Csystemization=E2=80=9D paper about Bitcoin-related resea=
rch. It=E2=80=99s<br>
going to appear in the Oakland security conference later this year<br>
(IEEE Security and Privacy) but we wanted to announce a draft to this<br>
community ahead of time.<br>
<br>
<a href=3D"http://www.jbonneau.com/doc/BMCNKF15-IEEESP-bitcoin.pdf" target=
=3D"_blank">http://www.jbonneau.com/doc/BMCNKF15-IEEESP-bitcoin.pdf</a><br>
<br>
One of the main goals of our work is to build a bridge between the<br>
computer science research community and the cryptocurrency community.<br>
Many of the most interesting ideas and proposals for Bitcoin come from<br>
this mailing list and forums/wikis/irc channels, where many academic<br>
researchers simply don=E2=80=99t know to look! In fact, we started out by<b=
r>
scraping all the interesting posts/articles we could find and trying<br>
to figure out how we could organize them. We hope our paper helps some<br>
of the best ideas and research questions from the Bitcoin community<br>
bubble up and inspires researchers to build on them.<br>
<br>
We didn=E2=80=99t limit our scope to Bitcoin, but we also decided not to<br=
>
provide a complete survey of altcoins and other next-generation<br>
cryptocurrency designs. Instead, we tried to explain all the<br>
dimensions along which these designs differ from Bitcoin.<br>
<br>
This effort has roughly been in progress over two years, though it<br>
stopped and restarted several times along the way.<br>
<br>
If anyone has comments or suggestions, we still have a week before the<br>
final version is due, and regardless we plan to continue updating our<br>
online version for the forseeable future.<br>
<br>
---------------------------------------------------------------------------=
---<br>
Dive into the World of Parallel Programming The Go Parallel Website, sponso=
red<br>
by Intel and developed in partnership with Slashdot Media, is your hub for =
all<br>
things parallel software development, from weekly thought leadership blogs =
to<br>
news, videos, case studies, tutorials and more. Take a look and join the<br=
>
conversation now. <a href=3D"http://goparallel.sourceforge.net/" target=3D"=
_blank">http://goparallel.sourceforge.net/</a><br>
_______________________________________________<br>
Bitcoin-development mailing list<br>
<a href=3D"mailto:Bitcoin-development@lists.sourceforge.net" target=3D"_bla=
nk">Bitcoin-development@lists.sourceforge.net</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoin-development=
" target=3D"_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-de=
velopment</a><br>
</blockquote></div><br></div>
</div></div><br>-----------------------------------------------------------=
-------------------<br>
Dive into the World of Parallel Programming The Go Parallel Website, sponso=
red<br>
by Intel and developed in partnership with Slashdot Media, is your hub for =
all<br>
things parallel software development, from weekly thought leadership blogs =
to<br>
news, videos, case studies, tutorials and more. Take a look and join the<br=
>
conversation now. <a href=3D"http://goparallel.sourceforge.net/" target=3D"=
_blank">http://goparallel.sourceforge.net/</a><br>_________________________=
______________________<br>
Bitcoin-development mailing list<br>
<a href=3D"mailto:Bitcoin-development@lists.sourceforge.net">Bitcoin-develo=
pment@lists.sourceforge.net</a><br>
<a href=3D"https://lists.sourceforge.net/lists/listinfo/bitcoin-development=
" target=3D"_blank">https://lists.sourceforge.net/lists/listinfo/bitcoin-de=
velopment</a><br>
<br></blockquote></div><br></div>

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