Ch_I_BLCN-1.6.1

What is a blockchain's core feature?

• Immutable data blocks
• Centralized control
• Fast data deletion
• Third-party reliance
• None of the above

Who initially used blockchain extensively?

• Banks
• Governments
• Cryptocurrency developers
• Retailers
• Healthcare providers

What does blockchain NOT require?

• Internet connection
• Data blocks
• Third-party verification
• Cryptography
• Linked lists

Which is a benefit of blockchain's decentralization?

• Increased costs
• Single point of failure
• Improved security
• Slower transactions
• Reduced transparency

What is a key characteristic of a blockchain block?

• Mutable
• Easily deleted
• Independently verifiable
• Sequentially unordered
• Randomly generated

Name a type of blockchain.

• Linear
• Circular
• Public
• Exponential
• Logarithmic

What is a significant advantage of blockchain?

• Centralized control
• Slow transaction speeds
• High vulnerability to hacking
• Increased transparency
• Data manipulation

What is Bitcoin's classification?

• Altcoin
• Token
• Stablecoin
• Cryptocurrency
• None of the above

What is a whitepaper in the blockchain context?

• A type of cryptocurrency
• A marketing document
• A blockchain component
• A consensus mechanism
• A programming language

What is NOT a benefit of Bitcoin?

• Decentralization
• Security
• High transaction fees
• Immutability
• Transparency