Cows and other livestock were one of the earliest and most widespread forms of currency used by ancient human civilizations, long before the invention of metal coins or paper bills.

A closer look

Cows and other livestock were one of the earliest and most widespread forms of currency used by ancient human civilizations, long before the invention of metal coins or paper bills. The economic importance of cattle was so profound that it permanently shaped our language, with the modern English word "pecuniary," meaning relating to money, deriving directly from the Latin word "pecus," which translates to cattle. Instead of swiping a plastic card or tapping a digital wallet, our ancestors literally bartered with massive, methane-producing beasts that required constant feeding and occasionally ran away. You really have to admire an economic system where your bank account could get sick, die of old age, or get eaten by a pack of wolves. It completely redefines the concept of a liquid asset when your currency physically secretes milk and leaves massive piles of manure in your yard, making inflation a biological problem for early agricultural entrepreneurs