Blockchain 101

Blockchain 101

University

21 Qs

quiz-placeholder

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Blockchain 101

Blockchain 101

Assessment

Quiz

Computers

University

Practice Problem

Medium

Created by

Shreyansh agarwal

Used 31+ times

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21 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

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

Media Image

who is this crypto-fraud billionaire?

Sam bankman-fried

Barack obama

CZ

Satoshi nakamoto

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

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

Media Image

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

Media Image

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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