Practice Blockchain Multiple Choice Questions with Answers Quiz-1

Q.1.

What is a node?

A type of cryptocurrency
A Blockchain
A computer on a Blockchain network
An exchange

Q.2.

What is a miner

A type of blockchain
An algorithm that predicts the next part of the chain
A person doing calculations to verify a transaction
Computers that validate and process blockchain transactions

Q.3.

Who is a miner

A type of blockchain
An algorithm that predicts the next part of the chain
Computers that validate and process blockchain transactions
A person doing calculations to verify a transaction

Q.4.

Where do you store your cryptocurrency?

Bank account
Exchange
Wallet
In your pocket

Q.5.

What is immutability?

Running without the concept of “human trust”
The majority of the nodes need to come to a consensus
Data in a block in a blockchain cannot be tampered with
Peer to peer digital ledger of transactions

Q.6.

What does PStand for?

Password to Protect
Protection to Product
Peer to Peer
Private Key to Public Key

Q.7.

What are smart contracts?

define the rules and penalties around a specific agreement
define the procedure of using wallet
define the standard operational procedures
None of these

Q.8.

What is a genesis block?

The first block of a Blockchain
A famous block that hard coded a hash of the Book of Genesis onto the blockchain
The first block after each block halving
The 2nd transaction of a Blockchain

Q.9.

Asymmetric encryption uses

Public Keys only
Private Keys only
Public and Private Keys
Proof of Stake

Q.10.

Where can you buy cryptocurrency

A private transaction
An exchange
A Bitcoin ATM
All of the above

Q.11.

Where is the LEAST SAFE place to keep your cryptocurrency

In your pocket
On an exchange
On a hot wallet
At your work desk

Q.12.

Maximum number of bitcoins that can be created

100 Million
12 Million
21 Million
No Maximum

Q.13.

Maximum number of bitcoins that can be created

100 Million
12 Million
21 Million
No Maximum

Q.14.

How are blockchains linked?

IoT
Cryptography
Cloud
VPNs

Q.15.

When was blockchain first created?

2008
2000
2011
2003

Q.16.

Are blockchain fully public?

Yes
No
It depends

Q.17.

Who is the creator of Ethereum?

Vitalik Buterin
Jihan Wu
Satoshi Nakamoto
Roger Ver

Q.18.

Each block of a Blockchain consists of which of the following?

A hash pointer to the previous block
Timestamp
List of transactions
All of the above

Q.19.

Each block of a Blockchain consists of which of the following?

A hash pointer to the previous block
Timestamp
List of transactions
All of the above

Q.20.

Bitcoin was first coined by

Satoshi Nakamoto
Blockchain
Santhosh Samsung
China

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