In the 1800s people in mining towns in the West often paid for goods with gold nuggets or gold dust. What was the function of gold?

In the 1800s, gold served as a medium of exchange in mining towns, functioning as a form of currency due to its intrinsic value and universal acceptance. Gold nuggets and dust enabled miners and residents to trade for goods and services in an economy that often lacked established banking systems or paper currency. This practice reflected the scarcity and preciousness of gold during the Gold Rush era, reinforcing its role as a standard of wealth and trade.