Gold and silver weren't the only currencies used in biblical times, there was another B. Did the ancients know there always had to be a third form? Why bitcoin was named bitcoin beside the bit part could have been derived from that other B - Barley(just a thought from this guy)
Here is a wonderful info-graphic by the money metals guys that talks about the important roll Gold, Silver, and Bitcoin (whoops, the other B) played in the bible:
https://www.moneymetals.com/infographics/biblical-history-of-silver