
Blockchain 101
Quiz
•
Computers
•
12th Grade
•
Easy
David Turner
Used 3+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a blockchain?
A type of cryptocurrency
A centralized database
A distributed and immutable ledger
A cloud storage service
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a block in a blockchain contain?
User passwords and private keys
A list of transactions, a timestamp, and a hash
Physical hardware data
Bank account details
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of cryptography in blockchain?
To encrypt the entire blockchain
To ensure data privacy and secure transactions
To mine cryptocurrency
To create internet protocols
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a key feature of blockchain that ensures security?
Centralized control
Tamper-resistant ledger
High-speed processing
Unlimited storage capacity
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the consensus mechanism in blockchain?
A method for converting cryptocurrencies
A process by which participants agree on the state of the ledger
A protocol for encrypting data
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a popular consensus mechanism in blockchain?
Data Validation Protocol (DVP)
Proof of Work (PoW)
Transaction Evaluation System (TES)
Hash Authorization Protocol (HAP)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a "smart contract"?
A contract with legal backing
A self-executing agreement with terms directly written into code
A document signed digitally
An AI-powered legal document
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