Confuse Skull: Blockchain MCQ's

Blockchain MCQ's

1. Blockchain which is popularly known as ‘for the people, by the people and of the people” is ___________.

public

2. Bitcoin network would make it impossible to bypass the traditional financial intermediaries.

False

3. The three concepts used to explain the foundation of blockchain are __________________.

business n/w,digital assets,ledger

4. Private Blockchain is a de-centralized type of Blockchain?

False

5. The value of coins ( litecoin, bitcoin) is same at a particular time.

False

6. Encryption reduces data security?

False

7. The value of cryptocurrency is independent of market conditions such as supply and demand.

False

8. HASH can be used to validate the input?

True

9. Name the first cryptocurrency with computing power contribution?

Gridcoin

10. We can buy cryptocurrency.

True

11. The two types of cryptography are ______________.

asyymmetric,symmetric

12. Which among the following is the most flexible cryptocurrency?

Ether

13. encrypted text---

Cipher Text

14. We may use bitcoin for purchasing merchandise as well?

True

15. The output of Hashing is popularly known as _______ .

Digest

16. The sender and the receiver in a transaction provide miners with a fee.

False

17. Which among the following are the advantages of using Bitcoin?

All

18. Bitcoins can be purchased in exchange of services.

True

19. The rate of generation of new bitcoins is constant.

False

20. The higher the computational power, the lower is the difficulty in mining.

False

21. Ethereum is a digital currency

False

22. Which platform could gain its best use case from supply chain industry?

Hyperledger

23. Ether provides greater flexibility than Bitcoin does.

True

24. Which of the following platform(s) provides a modular architecture?

Hyperledger

25. New bitcoins are released every time a transaction is verified.

True

26. Which platform could gain its best use case from financial service industry?

Codra

27. The first smart contract platform is _______.

Ehtereum

28. China and Russia were amongst the first few countries to promote bitcoin in their economy?

False

29. One symbol could be substituted with a key using substitution cipher.

False

30. A transaction without verification in bitcoin could be fastest accomplished in how much time?

Instanteous

31. Number of bitcoins to be ever created would depend upon demand-supply in the market?

False

32. BlockChain provides ___________ database of every transaction involving value.

Open Decentralized

33. Bitcoin is an example of which type of blockchain?

Public

34. There is no cryptographic protocol that can be used to secure HTTP connection.

False

35. Blockchain could soon replace central banks?

True

36. Consortium Blockchain provides a faster and more protected ecosystem than a Private Blockchain?

True

37. Coincap is a budding cryptocurrency.

False

38. Blockchain offers identity authentication through a visible ledger and thus have greater potential for cyber risk.

False

39. Private Blockchain allows organizations who have privacy and compliance regulations to implement Blockchain.

True

40. Blockchain could prevent robustness and transparency in the post – trade environment.

False

41. Chose the correct options(s).

Fixed Size

42. Currencies other than Bitcoin such as Litecoin and Dash are popularly known as ___________.

Altcoins

43. _______ records all the transactions in a blockchain.

Block

44. One bitcoin could be divided down to ____ decimal point?

8

45. Bitcoin is an example of which type of blockchain?

Public

46. Who is a miner?

computers that validate

47. Bitcoin is __________

peer ro peer

48. Smart Contracts are reversible.

False

49. Crypto analysis is used ___________.

To Find

50. How many types of blockchains have emerged after bitcoin introduced blockchain to the world?

Three

51. Bankchain is an example of __________

Private Blockchain

52. Where can you buy a cryptocurrency?

at a private transaction

53. Ripple is an example of _________

Federated blockchain

54. Hyperledger allows us to customize the visibility of a transaction in a blockchain.

True

55. In asymmetric key cryptography, the private key is kept by _________.

everyone in the network

56. _____________ is popularly known as DLT with a difference.

Etherum

57. Both and automatically check your previous transactions to make sure you have enough bitcoins to send.

ledger and your wallet

58. Digital assets must always be tangible.

False

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