
Blockchain and Cryptocurrency Quiz
Authored by Paula Zapata
English
12th Grade
Used 9+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a blockchain?
A type of cryptocurrency
A decentralized digital ledger
A centralized database
A programming language
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does decentralization refer to?
Increasing transaction speed
Consolidating power in one place
Distributing power away from a central authority
Creating a single point of failure
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a node in a blockchain network?
A smart contract
A digital wallet
A computer that validates transactions
A type of cryptocurrency
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is cryptocurrency?
A decentralized application
A type of blockchain
Digital or virtual currency using cryptography
A physical currency
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a smart contract?
A type of cryptocurrency
A self-executing contract with terms in code
A digital wallet
A legal document
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does hashing do?
Converts input into a fixed-size string
Stores cryptocurrency
Validates transactions
Encrypts data
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Proof of Work (PoW)?
A programming language
A type of digital wallet
A consensus mechanism for validating transactions
A method of creating new cryptocurrencies
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