A secure blockchain has a plethora of uses beyond money. Currently the Bitcoin blockchain is the only blockchain to offer the kind of security necessary for innovations such as Proof of Existence, http://www.proofofexistence.com/about

In the future the same blockchain could be used for automated arbitration, estate planning, "smart" property ownership/transference.

Less than 1% of the value of gold has anything to do with its industrial/artistic uses.