1.      What is Blockchain?

• a)  A database technology

• b)  A cryptocurrency

• c)  A type of computer network

• d)  All of the above

2.   Who is credited with the invention of Blockchain technology?

• a)  Satoshi Nakamoto

• b)  Bill Gates

• c)  Steve Jobs

• d)  Mark Zuckerberg

3. What is the main advantage of using Blockchain technology?

• a)  Increased security

• b)  Faster transaction speeds

• c)  Lower costs

• d)  More efficient data storage

4. Which of the following is NOT a characteristic of Blockchain technology?

• a) Decentralization

• b) Transparency

• c) Scalability

• d) Immutability

5. What is a block in Blockchain technology?

• a) A group of transactions

• b) A type of cryptocurrency

• c) A database table

• d) A computer program

6. What is a smart contract?

• a) A legally binding agreement

• b) A type of cryptocurrency

• c) A computer program that executes automatically

• d) A type of database

7. What is a node in a Blockchain network?

• a) A computer connected to the network

• b) A type of cryptocurrency

• c) A database table

• d) A type of computer program

8. What is a private Blockchain?

• a) A Blockchain network that is open to anyone

• b) A Blockchain network that is closed to certain users

• c) A type of cryptocurrency

• d) A type of computer program

9. Which of the following is NOT a potential use case for Blockchain technology?

• a) Supply chain management

• b) Healthcare records management

• c) Social media

• d) Financial services

10. What is a consensus mechanism in a Blockchain network?

• a) The process by which nodes agree on the state of the network

• b) A type of cryptocurrency

• c) A database table

• d) A computer program