And how is the value of gold measured and valued? In US Dollar and other fiat currencies also.
For now, it is hard to let go of the connection because fiat still rules the monetary world. But we will of course get away with it in due time.
But the race has just started and it will probably take more than a lifetime. The winner might be known during the time of our children or our grandchildren. For now, even the fiat currency is transforming into more or less like Bitcoin. They are now embarking on a mission to shift into a digital currency. With this, I'm afraid it will last more than its old physical form. They are riding the call of the times.