[143216] in cryptography@c2.net mail archive
Re: Proof of Work -> atmospheric carbon
daemon@ATHENA.MIT.EDU (Ben Laurie)
Fri Jan 30 13:40:55 2009
In-Reply-To: <200901252240.n0PMejwU002817@new.toad.com>
Date: Fri, 30 Jan 2009 13:32:11 +1100
From: Ben Laurie <benl@google.com>
To: John Gilmore <gnu@toad.com>
Cc: cryptography@metzdowd.com
On Mon, Jan 26, 2009 at 9:40 AM, John Gilmore <gnu@toad.com> wrote:
>> > If POW tokens do become useful, and especially if they become money,
>> > machines will no longer sit idle. Users will expect their computers to
>> > be earning them money (assuming the reward is greater than the cost to
>> > operate).
>
> Computers are already designed to consume much less electricity when
> idle than when running full tilt. This trend will continue and
> extend; some modern chips throttle down to zero MHz and virtually zero
> watts at idle, waking automatically at the next interrupt.
>
> The last thing we need is to deploy a system designed to burn all
> available cycles, consuming electricity and generating carbon dioxide,
> all over the Internet, in order to produce small amounts of bitbux to
> get emails or spams through.
Richard Clayton and I claim that PoW doesn't work:
http://www.cl.cam.ac.uk/~rnc1/proofwork.pdf
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