
Blockchain and Cryptocurrency Quiz
Interactive Video
•
Computers
•
9th - 10th Grade
•
Hard
Jennifer Brown
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary focus of Ripple as a company?
Building gaming applications
Creating social media platforms
Improving international payment flows
Developing new cryptocurrencies
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does Bitcoin ensure that transactions are verified without a central authority?
By using a central server
Through peer-to-peer network verification
By employing government officials
Using traditional banking methods
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a digital signature in a blockchain network?
To manage user accounts
To create new cryptocurrencies
To verify the authenticity of transactions
To encrypt the entire blockchain
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mechanism is used to resolve disagreements about the ledger in a blockchain?
Consensus mechanism
Centralized decision-making
Random selection
Voting by users
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How are blocks connected in a blockchain?
Through a central database
By using a digital summary or hash
With physical cables
Using wireless signals
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of proof of work in a blockchain?
To simplify transaction processes
To increase transaction fees
To ensure blocks are added quickly
To prevent fraudulent activities
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is it difficult for an attacker to add a fake block to the blockchain?
Because of the high cost of computing power required
Due to government regulations
Because of limited network access
Due to lack of interest from users
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