SDR valuations were tied to gold when the USD was still gold-based. Needless to say Bretton Woods didn't survive that transition at all. Again, it was a faile

SDR valuations were tied to gold when the USD was still gold-based. Needless to say Bretton Woods didn't survive that transition at all. Again, it was a failed (!) experiment, not a recipe to try again. Believing otherwise is fan fiction.