Who were the people to first use money?

Metals objects were introduced as money around 5000 B.C. By 700 BC, the Lydians became the first in the Western world to make coins
The Native Americans were the first people to use money as currency. They used wampum. Wampum was used to trade also. Wampum was made out of beads.
The first people thought to use coin money were the Lydians. Prior to this, many cultures used barter systems, or shell money - seashells instead of paper/coin money.