
Blockchain Quiz
Authored by Avanish Garg
Education
University
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a blockchain?
A centralized database
A distributed ledger
A type of cryptocurrency
A computer program
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a primary goal of a consensus mechanism in a blockchain network?
Maximizing transaction fees
Centralizing control
Ensuring decentralization
Speeding up transactions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What makes data on a blockchain secure and immutable?
Centralized control
Decentralization and encryption
Frequent data updates
Public access
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a smart contract?
A legally binding document
A blockchain-based identity system
A form of cryptocurrency
A self-executing code that enforces an agreement
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Solidity is a programming language primarily used for:
Developing mobile apps
Creating web applications
Writing smart contracts for blockchain platforms
Building operating systems
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which data type in Solidity is used to store Ethereum addresses?
uint
bool
address
string
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the term "gas" refer to in the context of Ethereum and Solidity?
The cost of executing code on the Ethereum network
The fuel used to power miners
A type of cryptocurrency
A measurement of blockchain block size
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