
Blockchain and Cryptocurrency
Quiz
•
Computers
•
12th Grade
•
Practice Problem
•
Easy
Rom Pandey
Used 1+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a blockchain?
A blockchain is a decentralized, distributed ledger technology that records transactions across multiple computers in a secure and transparent manner.
A blockchain is a centralized database managed by a single entity.
A blockchain is a physical chain used in cryptography.
A blockchain is a type of cryptocurrency.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Explain the concept of NFT.
NFT is a form of traditional stock investment
NFT is a physical asset stored in a bank vault
NFT is a digital asset representing ownership or proof of authenticity of a unique item using blockchain technology.
NFT is a type of cryptocurrency
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a node in the context of blockchain?
A node is a type of cryptocurrency
A node is a computer or device that participates in the blockchain network by maintaining a copy of the entire blockchain and validating transactions.
A node is a physical location where blockchain data is stored
A node is a software used to mine bitcoins
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does PoF stand for in the blockchain space?
Point of Failure
Path of Freedom
Proof of Failure
Proof of Stake
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who is the creator of Bitcoin?
Mark Zuckerberg
Satoshi Nakamoto
Jeff Bezos
Elon Musk
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a hash function?
A hash function is used for sorting data in databases.
A hash function is a type of encryption algorithm.
A hash function is a function that takes an input (or 'message') and returns a fixed-size string of bytes.
A hash function always returns the same output for different inputs.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the process of mining in the context of cryptocurrencies?
Digging physical holes to find digital coins
Sending emails to verify transactions
Using computer power to solve mathematical problems and validate transactions on the blockchain.
Using computer power to play video games
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