Blockchain Multiple Choice Questions and Answers 2022

Cryptocurrency MCQ with Answers 2022 

Note: Answer marked in blue color is correct.

1. The Bitcoin was introduced in this world by?

  • Stuart Haber
  • W. Scott Stornetta
  • Satoshi Nakamoto
  • Dave Bayer

2. Bitcoin is a cryptocurrency invented in?

  • 2007
  • 2008
  • 2009
  • 2010

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

  • Mining
  • Wallet
  • Bubble
  • Ledger

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

5. Which hash function used in Ledger?

  • SHA-64
  • SHA-128
  • SHA-256
  • SHA-512

6. What is the block time of the ledger?

  • 5 mins
  • 8 mins
  • 2 mins
  • 10 mins

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

  • TRUE
  • FALSE
  • Can be true or false
  • Cannot say

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

  • Nonce
  • Online wallets
  • Hardware wallet
  • Coinbase

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

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

10. Bitcoin have a central authority?

  • TRUE
  • FALSE
  • Can be true or false
  • Can't say

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