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Long ago, people traded goods: a basket of fish for a bag of grain. This is called barter.
Barter is hard if nobody wants what you have! So people began using money.
Some places used shells or beads. Later, people made coins from metal. China and Lydia made some of the first coins.
China also made some of the first paper money, over 1,000 years ago!
Today many people pay with cards and phones. Money keeps changing!
