The History of Money: Barter, Fiat and Bitcoin

According to @sprouts, Money has evolved over time from bartering to the use of coins, paper, and digital transactions. Early forms of it included livestock, which then gave way to the use of precious metals like gold and silver. Paper currency was first introduced in China in the 7th century and then banks emerged. Today, some people have started to use digital currencies like Bitcoin. But what is money and how did it come about?
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