Blockchain Quiz

Blockchain Quiz

Test your Blockchain knowledge!

1 / 10

(Multiple Choice – Multiple correct answers) What are the primary functions of a blockchain? (Select all that apply)

Decentralization

Transparency

Immutability

Security

2 / 10

(True or False) Each block in a blockchain contains a reference to the next block in the chain.

True

False

3 / 10

(Multiple Choice – One correct answer) What is the purpose of consensus mechanisms in blockchain networks?

To validate all transactions

To reach agreements on transaction validity

To centralize control

To increase transaction fees

4 / 10

(Multiple Choice – Multiple correct answers) Which of the following are examples of consensus mechanisms? (Select all that apply)

Proof of Work

Proof of Stake

Proof of Authority

Proof of Life

5 / 10

(True or False) Layer 0 in blockchain refers to the application layer where decentralized applications (dApps) and smart contracts run.

True

False

6 / 10

(Multiple Choice – One correct answer) What is the primary benefit of Layer 2 solutions in blockchain?

Slower transactions

Increased complexity

Reduced security

Enhanced scalability

7 / 10

(Multiple Choice – Multiple correct answers) Which of the following are characteristics of a blockchain? (Select all that apply)

Decentralization

Tamper-resistance

Centralization

Immutability

8 / 10

(Multiple Choice – Multiple correct answers) What are potential advantages of smart contracts? (Select all that apply)

Efficiency

Simplicity

Transparency

Cost savings

9 / 10

(True or False) Smart contracts can be read on the blockchain.

True

False

10 / 10

(Multiple Choice – One correct answer) What is a potential disadvantage of smart contracts?

Complexity

Transparency

Efficiency

Accessibility

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Test your Blockchain knowledge with the Blockchain quiz!