The CHF is depending on the price of gold about 70-90% covered by gold that's stored in the Swiss national bank.
Even if it wasn't covered, the reason why the CHF is going to be worth money is because it's one of the most stable and reliable currencies in the world, just that reputation will keep it from fluctuation wildly. On top of that we had the good sense to stay away from the Euro and it's just starting to pay off. The Swiss National Bank actually just bought about $50 billion Euros in order to keep the CHF from appriciating so much that exports would suffer.
"The Swiss franc has historically been considered a safe haven currency with virtually zero inflation and a legal requirement that a minimum of 40% be backed by gold reserves.[8] However, this link to gold, which dates from the 1920s, was terminated on 1 May 2000 following a referendum.[9] By March 2005, following a gold selling program, the Swiss National Bank held 1,290 tonnes of gold in reserves which equated to 20% of its assets.[10]
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