4 ms·The difference is USD is backed by the U.S. government. Bitcoin is backed by nothing.by toephu2 5y agoThe difference is USD is backed by the U.S. government. Bitcoin is backed by nothing.louloulou 5y agoI guess that's why it's fallen in value so much relative to the USD over the past decade.reginold 5y agoBitcoin is backed by nothing but math.