Bitcoin MCQ Questions And Answers

This section focuses on "Bitcoin" in Blockchain. These Multiple Choice Questions (MCQ) should be practiced to improve the Blockchain skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. The Bitcoin was introduced in this world by?

A. Stuart Haber
B. W. Scott Stornetta
C. Satoshi Nakamoto
D. Dave Bayer

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2. Bitcoin is a cryptocurrency invented in?

A. 2007
B. 2008
C. 2009
D. 2010

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3. Bitcoins are created as a reward for a process known as?

A. mining
B. wallet
C. bubble
D. ledger

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4. Transactions ar verified by network nodes through cryptography and recorded in a public distributed ledger called a ?

A. cryptocurrency wallet
B. blockchain
C. nodes
D. cryptocurrency

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5. Which hash function used in Ledger?

A. SHA-64
B. SHA-128
C. SHA-256
D. SHA-512

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6. What is the block time of the ledger?

A. 5 mins
B. 8 mins
C. 2 mins
D. 10 mins

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7. Nakamoto implemented the bitcoin software as open-source code

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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8. To claim the reward, a special transaction called a?

A. nonce
B. online wallets
C. hardware wallet
D. coinbase

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9. Which of the following statement is true about bitcoin?

A. There is no central server; the bitcoin network is peer-to-peer
B. There is no central storage; the bitcoin ledger is distributed
C. The ledger is public; anybody can store it on their computer
D. All of the above

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10. Bitcoin have a central authority?

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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