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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