Blockchain MCQs

Blockchain MCQs: Multiple Choice Q&A about Blockchain

Blockchain MCQs: Multiple Choice Question and Answers about BlockChain technology.

 

Blockchain MCQs

 

1- In Blockchain, what does a node mean ?

(A) An exchange

(B) A type of cryptocurrency

(C) A blockchain

(D) A computer on a Blockchain network

 

2- What does Asymmetric Encryption use ??

(A) Public and private keys

(B) Proof of stake

(C) Public keys only

(D) Only private keys

 

3- P2P stands for ??

(A) Product to Product

(B) Peer to Peer

(C) Password to Password

(D) Public key to private key

 

4- Who is the founder of “Bitcoin” ??

(A) Warren Buffet

(B) Satoshi Nakamoto

(C) Nokia

(D) Microsoft

 

5- On which Blockchain Bitcoin is based ??

(A) Permissioned

(B) Private

(C) Public

(D) Public Permissioned

 

6- Cryptocurrency is stored in ??

(A) Compact Disk

(B) Bank account

(C) Wallet

(D) USB

 

7- Blockchain can be stored as which of the following ??

(A) A Database

(B) A flat file

(C) both (a) and (b)

(D) None of these

 

8- The least safe place to keep your Cryptocurrency is ?? 

(A)  On an exchange

(B) in your pocket

(C) Floppy Disk

(D) None of the above

 

9- Blockchain forks can result in which of the following ??

(A) Multiple children block

(B) Multiple parent block

(C) Both (a) and (b)

(D) None of these

 

10- What is a miner in terms of Blockchain ??

(A) transactions picking algorithm

(B) Calculations to verify transactions

(C) Computers that validate and process blockchain transactions

(D) A type of blockchain

 

Blockchain MCQs

 

11- How blocks are linked in Blockchain ?

(A) Forward to the next block

(B) Not linked with each other

(C) Backward to the previous block

(D) Both (a) and (c)

 

12- The different types of tokens are ??

(A) Currency

(B) Platform

(C) Privacy

(D) All of the above

 

13- What is Blockchain ??

(A) An exchange

(B) A distributed ledger on a peer to peer network

(C) An algorithm

(D) A type of cryptocurrency

 

14- From where one can buy Cryptocurrency ??

(A) A Bitcoin ATM

(B) Private Transaction

(C) an exchange

(D) All of the above

 

15- What is the meaning of a private Key ??

(A)  A key to open a secret door

(B) A key not to be given to the public

(C) A key on your keychain

(D) The master key

 

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