Ethereum - Blockchain 2.0 MCQs Solution | TCS Fresco Play | Fresco Play | TCS | MNCAnswers

Ethereum - Blockchain 2.0 MCQs Solution | TCS Fresco Play | Fresco Play | TCS

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1. Private Blockchain is a de-centralized type of Blockchain? False

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

3. Bitcoin network would make it impossible to bypass the traditional financial intermediaries. - False

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

open decentralised

5. Bankchain is an example of _______. 

Private Blockchain

6. Mainly how many types of blockchains have emerged after bitcoin introduced blockchain to the world? Three

7. Consortium Blockchain provides a faster and more protected ecosystem than a Private Blockchain? - True

8. The three concepts used to explain the foundation of blockchain are __________________. - Business Network, Digital Assets, Ledger

9. Digital assets must always be tangible. - False

10. We can buy cryptocurrency. - False

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

12. HASH can be used to validate the input? - True

13. The two types of cryptography are ______________. 

Asymmetric and symmetric

14. Encryption reduces data security? - False

15. The value of cryptocurrency is independent of market conditions such as supply and demand. - False

16. Encrypted text is also known as ____________. - Cipher Text

17. Which among the following is the most flexible cryptocurrency? - Ether

18. Name the first cryptocurrency with computing power contribution? - Gridcoin

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

20. The output of Hashing is popularly known as _______ . - Digest

21. We may use bitcoin for purchasing merchandise as well? - True

22. Bitcoins can be purchased in exchange of services. - True

23. The higher the computational power, the lower is the difficulty in mining. - False

24. Which among the following are the advantages of using Bitcoin? - All

25. The sender and the receiver in a transaction provide miners with a fee. -False

26. Which platform could gain its best use case from supply chain industry? - Hyperledger

27. Which of the following platform(s) provides a modular architecture? - Hyperledger

28. New bitcoins are released every time a transaction is verified. - True

29. Ethereum is a digital currency. - False

30. Ether provides greater flexibility than Bitcoin does. - True

31. Which platform could gain its best use case from financial service industry? - R3 Corda

32. The first smart contract platform is _______. - Ethereum

33. In asymmetric key cryptography, the private key is kept by _________. Everyone in the network

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

35. Bitcoin is __________. Public to Public Currency(Wrong)

36. Bitcoin is an example of which type of blockchain? Pubic 

37. _______ records all the transactions in a blockchain. BLock

38. Smart Contracts are reversible. - False

39. Coincap is a budding cryptocurrency. - False

40. One symbol could be substituted with a key using substitution cipher. - False

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

42. Crypto analysis is used ___________. To find some insecurity in a cryptographic scheme

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

44. Both ________ and ________ automatically check your previous transactions to make sure you have enough bitcoins to send. - Ledger and your wallet


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