1. Blockchain offers identity authentication through a visible ledger and thus have greater potential for cyber risk.a. False
b. True
2. We can buy cryptocurrency.a. False
b. True
3. Both ________ and ________ automatically check your previous transactions to make sure you have enough bitcoins to send.a. Ledger and your Wallet
b. Bitcoin Network and your Wallet
c. Miners and Users
4. _______ is popularty known as DLT with difference.a. Hyperledger
b. Ethereum
c. R3 corda
5. One Bitcoin could be divided down to ________ decimal point?a. 5
b. 16
c. 8
d. 4
6. Name of the first cryptocurrency with computing power contribution?a. Gridcoin
b. Litecoin
c. Ripple
d. Bitcoin
7. Which platform could gain its best use case from financial service industry?a. Ethereum
b. Hyperledger
c. R3 Corda
d. All the options
8. China and Russia were among-est the first few countries to promote bitcoin in their economy?a. True
b. False
9. A transaction without verification in bitcoin could be fastest accomplished in how much time?a. Instantaneous
b. 90 seconds
c. 60 Minutes
d. 1 Minute
10. How many types of blockchains have emerged after bitcoin introduced blockchain to the world?a. Five
b. Three
c. Two
d. Seven
11. We may use bitcoin for purchasing merchandise as well?a. False
b. True
12. The output of Hashing is popularly known as _________.a. Plain Text
b. Digital Signature
c. Contract
d. Digest
13. The value of coins (Litecoin, Bitcoin) is same at a particular time.a. True
b. False
14. Which among the following are the advantages of using Bitcoin?a. Negligible transaction fee
b. Can be used to transfer money anywhere in the world
c. Your account cannot be frozen
d. All the options
15. Private Blockchain allows organizations who have privacy and compliance regulations to implement Blockchain.a. False
b. True
16. Bitcoin is ____________.a. Peer to public currency
b. Public to peer currency
c. Peer to peer currency
d. Public to public currency
17. Who is miner?a. An algorithm that predict the next part of the chain
b. Computers that validate and process blockchain transactions
c. A type of blockchain
18. Ethereum is a digital currency.a. False
b. True
19. Blockchain which is popularly known as “for the people, by the people and of the people” is ________.a. Public Blockchain
b. Private Blockchain
c. Federated Blockchain
20. Bitcoin is an example of which type of blockchain?a. Public Blockchain
b. Federated Blockchain
c. Private Blockchain
21. Currencies other than Bitcoin such as Litecoin and Dash are popularly known as _________.a. Cryptocoins
b. Altcurrency
c. Altcoins
d. Cryptocurrency
22. One symbol could be substituted with a key using substitution cipher.a. False
b. True
23. Which among the following is the most flexible cryptocurrency?a. Ether
b. Ripple
c. Bitcoin
d. Litecoin
24. Coincap is a budding cryptocurrency.a. False
b. True
25. Blockchain offers identity authentication through a visible ledger and thus have greater potential for cyber risk.a. True
b. False
24. Smart Contracts are reversible.a. True
b. False
25. In asymmetric key cryptography, the private key is kept by __________.a. Everyone in the network
b. sender and receiver
c. receiver
d. sender
26. There is no cryptographic protocol that can be used to secure HTTP connection.a. False
b. True
27. HASH can be used to validate the input.a. True
b. Sometimes yes
c. False
d. None
28. Bankchain is an example of ________.a. Federated Blockchain
b. Public Blockchain
c. Private Blockchain
29. Encryption reduces data security.a. True
b. False
30. The first smart contract platform is _______.a. Blockchain
b. Hyperledger Fabric
c. Ethereum
d R3 Corda
31. New bitcoins are released every time a transaction is verified.a. True
b. False
32. Consortium Blockchain provides a faster and more protected ecosystem than a private Blockchain?a. True
b. False
33. Bitcoin network would make it impossible to bypass the traditional financial intermediaries.a. False
b. True
34. The higher the computational power, the lower is the difficulty in mining.a. True
b. False
35. Ether provides greater flexibility than Bitcoin does.a. False
b. True
36. The rate of generation of new bitcoins is constant.a. False
b. True
37. Crypto analysis is used ___________.a. To find some insecurity in a cryptographic scheme
b. To increase the speed
c. to encrypt the data
d. none of the options
38. Bitcoins can be purchased in exchanges of services.a. True
b. False
39. Blockchain could prevent robustness and transparency in the post – trade environment.a. False
b. True
40. Where can you buy a cryptocurrency?a. At a digital bitcoin ATM
b. In a smart contract
c. All the options
d. At a private transaction
41. Which of the following platforms provides a modular architecture?a. Hyperledger
b. Ethereum
c. R3 Corda
42. Hyperledger allows us to customize the visibility of a transaction in a blockchain.a. False
b. True
43. Chose the correct options.a. Hash algorithm takes inputs of any size and produces an output of a fixed size.
b. Hash algorithm takes analogous input and converts it into digital.
c. Hash algorithm is used for encryption.
44. Who is the founder of Hyperledger Fabric?a. Linux Foundation
b. Ethereum Developers
c. Miners in blockchain
d. R3
45. Ripple is an example of ____________.a. Public Blockchain
b. Federated Blockchain
c. Private Blockchain
46. Blockchain provides _________ database of every transaction involving value.a. Closed Centralized
b. Closed Decentralized
c. Open Centralized
d. Open Decentralized
