Why does U.S. currency have serial numbers?
A) to make it easier to count the money supply in circulation
B) to make it readable by scanning machines
C) to make it harder to counterfeit
D) to distinguish it from other countries' currencies

Question

Quizplus · Accepted Answer

Serial numbers on U.S. currency serve as a security feature, making it more difficult for counterfeiters to produce fake bills. Each serial number is unique to a specific bill, which helps in identifying and tracking the currency, thus deterring counterfeiting.

Why Does U.S. Currency Have Serial Numbers