W3C home > Mailing lists > Public > public-webid@w3.org > April 2013

Re: Public Keys and Proof of Work

From: Melvin Carvalho <melvincarvalho@gmail.com>
Date: Tue, 2 Apr 2013 11:24:10 +0200
Message-ID: <CAKaEYhJZSxemguKA6QP7y1qEAZ+_0QvJom6b+3Gen+Fb8YTVpw@mail.gmail.com>
To: public-rww <public-rww@w3.org>, public-webid <public-webid@w3.org>
On 2 April 2013 11:20, Melvin Carvalho <melvincarvalho@gmail.com> wrote:

> There is a concept that has become popular lately in cryto (particularly
> crypto currencies) which is called proof of work.
>
> http://en.wikipedia.org/wiki/Proof-of-work_system
>
> The principle behind it is that you can use cryptography to make your
> public key 'special' in some predefined way, in order to prove that it was
> a very hard key to create.
>
> These special keys are considered valuable (indeed in cryto currencies you
> can be rewarded financially for creating one)
>
> However the original idea of proof of work was an anti spam measure.
>
> I wonder if were start using proof of work public keys linked to identity
> on the web, what possible formats could we use ... perhaps 6-10 leading 1's?
>

One way of thinking of a proof of work system, is the machine equivalent of
a CAPTCHA
Received on Tuesday, 2 April 2013 09:24:43 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 6 January 2015 20:54:43 UTC