Blockchain 101
Authored by Shreyansh agarwal
Computers
University
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21 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is Blockchain?
A decentralized digital ledger that records transactions
A type of cryptocurrency exchange
A type of computer virus
A type of social media platform
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Who is the creator of blockchain technology?
Dumbledore
Satoshi Nakamoto
Tony Stark
Jeff Bezos
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
who is this crypto-fraud billionaire?
Sam bankman-fried
Barack obama
CZ
Satoshi nakamoto
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the purpose of mining in blockchain technology?
To validate transactions and add new blocks to the blockchain
To create new cryptocurrency
To secure cryptocurrency transactions
To control the supply of cryptocurrencies
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is a smart contract?
A legally binding agreement that ha to be executed manually
A type of computer virus
A legally binding agreement that is executed automatically by the blockchain network
A centralized digital ledger
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is a token in blockchain technology?
A type of poker chip used to gamble on the blockchain
A cryptocurrency that is created and managed on the blockchain network
A type of cookie
A centralized digital ledger
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
What is the main difference between Proof of Work and Proof of Stake?
Proof of Work and Proof of Stake are the same.
Proof of Work is used only in public blockchains, while Proof of Stake is used only in private blockchains.
Proof of Work requires participants to solve complex mathematical puzzles, while Proof of Stake requires participants to hold a certain amount of cryptocurrency.
Proof of Work is a more energy-efficient consensus mechanism, while Proof of Stake is more secure
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