Bitcoin mining is accomplished by "solving" a particular mathematical probl=
em.  There are plenty of good references on the web that can fill in the bl=
anks.

The answer to your question is that unless you can get FREE electricity bit=
coin mining typically does not have a positive return.

On Dec 8, 2013, at 5:14 PM, David VanHorn wrote:

> Somewhat OT as well, but there's a bit of EE in here.
>=20
> I'm seeing a lot of bitcoin mining rigs for sale, which strikes me as odd=
..
> Basically, it's a box that generates money (sort of) when you plug it in.
>=20
> Bitcoin mining is very unlike selling gear for physical mining, where you
> also need claim rights, physical labor, etc.
>=20
> If I have a box that makes money when I plug it in (profit over and above
> the cost of the box and energy to run it) then why would I sell the box?
> Immediate return vs deferred maybe, but something doesn't add up here.
>=20
> Thoughts?
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