Question

According to "From Barter to Bitcoin," which statement about bitcoin is true?

It was introduced in the 1940s.

Its value can change dramatically.

It is a form of fiat money, whose value is backed by the U.S. government.

It exists online as a digital currency and in the real world as a metal coin.

Answer 1

It exists online as a digital currency and in the real world as a metal coin.It is a form of fiat money whose value is backed by the U. S.government. Its value can change dramatically.It was introduced in the 1940s.

Step-by-step explanation:

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Answer 2

I'd say.. "Its value can change dramatically."

Step-by-step explanation: