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Cryptocurrency

What is a cryptocurrency?

A. A type of traditional currency used globally B. A digital or virtual currency that uses cryptography for security C. A physical coin that is used for online shopping D. A type of banknote that is encrypted for security AnswerOption: B

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What are UTXOs in a Bitcoin Blockchain?

A. These are actual currency that is sent to the receiver of a transaction B. These are rewards for miners C. These form the input and output for transactions D. These are transaction output that has ben expended

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