MCQ

1. Blockchain offers identity authentication through a visible ledger and thus have greater potential for cyber risk. a. Falseb. True 2. We can buy cryptocurrency. a. Falseb. True 3. Both ________ and ________ automatically check your previous transactions to make sure you have enough bitcoins to send. a. Ledger and your Walletb. Bitcoin Network and your Walletc. Miners and Users 4. _______ is popularty known as DLT with difference. a. Hyperledgerb. Ethereumc. R3 corda 5. One Bitcoin could be divided down to ________ decimal point? a. 5b. 16c. 8d. 4 6. Name of the first cryptocurrency with computing power contribution? a. Gridcoinb. Litecoinc. Rippled. Bitcoin 7. Which platform could gain its best use case from financial service industry? a. Ethereumb. Hyperledgerc. R3 Cordad. All the options 8. China and Russia were among-est the first few countries to promote bitcoin in their economy? a. Trueb. False 9. A transaction without verification in bitcoin could be fastest accomplished in how much time? a. Instantaneousb. 90 secondsc. 60 Minutesd. 1 Minute 10. How many types of blockchains have emerged after bitcoin introduced blockchain to the world? a. Fiveb. Threec. Twod. Seven 11. We may use bitcoin for purchasing merchandise as well? a. Falseb. True 12. The output of Hashing is popularly known as _________. a. Plain Textb. Digital Signaturec. Contractd. Digest 13. The value of coins (Litecoin, Bitcoin) is same at a particular time. a. Trueb. False 14. Which among the following are the advantages of using Bitcoin? a. Negligible transaction feeb. Can be used to transfer money anywhere in the worldc. Your account cannot be frozend. All the options 15. Private Blockchain allows organizations who have privacy and compliance regulations to implement Blockchain. a. Falseb. True 16. Bitcoin is ____________. a. Peer to public currencyb. Public to peer currencyc. Peer to peer currencyd. Public to public currency 17. Who is miner? a. An algorithm that predict the next part of the chainb. Computers that validate and process blockchain transactionsc. A type of blockchain 18. Ethereum is a digital currency. a. Falseb. True 19. Blockchain which is popularly known as "for the people, by the people and of the people" is ________. a. Public Blockchainb. Private Blockchainc. Federated Blockchain 20. Bitcoin is an example of which type of blockchain? a. Public Blockchainb. Federated Blockchainc. Private Blockchain 21. Currencies other than Bitcoin such as Litecoin and Dash are popularly known as _________. a. Cryptocoinsb. Altcurrencyc. Altcoinsd. Cryptocurrency 22. One symbol could be substituted with a key using substitution cipher. a. Falseb. True 23. Which among the following is the most flexible cryptocurrency? a. Etherb. Ripplec. Bitcoind. Litecoin 24. Coincap is a budding cryptocurrency. a. Falseb. True 25. Blockchain offers identity authentication through a visible ledger and thus have greater potential for cyber risk. a. Trueb. False 24. Smart Contracts are reversible. a. Trueb. False 25. In asymmetric key cryptography, the private key is kept by __________. a. Everyone in the networkb. sender and receiverc. receiverd. sender 26. There is no cryptographic protocol that can be used to secure HTTP connection. a. Falseb. True 27. HASH can be used to validate the input. a. Trueb. Sometimes yesc. Falsed. None 28. Bankchain is an example of ________. a. Federated Blockchainb. Public Blockchainc. Private Blockchain 29. Encryption reduces data security. a. Trueb. False 30. The first smart contract platform is _______. a. Blockchainb. Hyperledger Fabricc. Ethereumd R3 Corda 31. New bitcoins are released every time a transaction is verified. a. Trueb. False 32. Consortium Blockchain provides a faster and more protected ecosystem than a private Blockchain? a. Trueb. False 33. Bitcoin network would make it impossible to bypass the traditional financial intermediaries. a. Falseb. True 34. The higher the computational power, the lower is the difficulty in mining. a. Trueb. False 35. Ether provides greater flexibility than Bitcoin does. a. Falseb. True 36. The rate of generation of new bitcoins is constant. a. Falseb. True 37. Crypto analysis is used ___________. a. To find some insecurity in a cryptographic schemeb. To increase the speedc. to encrypt the datad. none of the options 38. Bitcoins can be purchased in exchanges of services. a. Trueb. False 39. Blockchain could prevent robustness and transparency in the post - trade environment. a. Falseb. True 40. Where can you buy a cryptocurrency? a. At a digital bitcoin ATMb. In a smart contractc. All the optionsd. At a private transaction 41. Which of the following platforms provides a modular architecture? a. Hyperledgerb. Ethereumc. R3 Corda 42. Hyperledger allows us to customize the visibility of a transaction in a blockchain. a. Falseb. 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 Foundationb. Ethereum Developersc. Miners in blockchaind. R3 45. Ripple is an example of ____________. a. Public Blockchainb. Federated Blockchainc. Private Blockchain 46. Blockchain provides _________ database of every transaction involving value. a. Closed Centralizedb. Closed Decentralizedc. Open Centralizedd. Open Decentralized

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