Actually hes said just the opposite (2), that hes doing this to bring devaluation to light (1).
(1) He does not want to be paid at the face value of $50 American Eagle gold coins or $1 silver American Eagle coins. He stipulates that he should be paid at their market values, currently $1,801 for the gold coin and $35.28 for the silver coin.
(2) The countrys $16 trillion debt is a warning sign we can only ignore at our peril, he wrote. It is very likely the bottom will fall out from under the U.S. dollar. Only so many dollars can be printed before they have no value.
This short explanation should be taught in every Economics class and be incorporated into every oath of office.