From the Campaign pages of the Blender Foundation:
"The Blender Foundation is a Charity Fund, aimed at breathing
new life into Blender by means of publishing the source codes and
organizing services around it. The first goal is to organize a
campaign to get the initial $100k to pay for the sources, but once
that has been established a lot of exciting activities will be
organized around it. With Blender and its user community as a core,
but certainly with celebrating free access to 3D technology in
general. You can review the statutes to read the full goals and
means of the Foundation.
"During the campaign:
The Foundation will use the funds to continue the campaign for
as long and as effective as possible.
There's no deadline set by NaN Holding. however it might be
possible it will happen after 3-6 months.
"After a succesful campaign:
the [sic] $100k one time fee will be paid to NaN
Holding B.V. to pay for the right to open the sources.
the sources and web services will become available by means of
a gratis Membership
sponsoring and other fund-raising activities will continue to
cover the Foundation exploitation..."