<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?fed watafiti wanasema, tangu frikoppling kutoka kiwango cha dhahabu katika miaka ya 1970, karibu wote wa dunia hifadhi fedha kutegemea kitu lakini imani kwa kazi kama njia ya fedha thamani.  <response>: fed researchers point out, since decoupling from the gold standard in the early 1970s, almost all global reserve currencies rely on nothing but trust to function as a medium of value exchange. 