Module 4: Real-World Applications of Blockchain and Cryptocurrencies

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Questions and Answers

Which of the following is a key benefit of blockchain in financial services?

  • Slower transaction times
  • Enhanced transparency and security (correct)
  • Higher transaction costs
  • Increased paper usage

What is Decentralized Finance (DeFi)?

  • A type of blockchain consensus mechanism
  • A cryptocurrency exchange platform
  • A traditional banking system
  • Financial services using blockchain technology without intermediaries (correct)

IBM Food Trust uses blockchain technology to:

  • Increase the price of food products
  • Store financial transactions
  • Reduce employee wages
  • Track food products from farm to table (correct)

How does blockchain improve supply chain management?

<p>By reducing the need for documentation and increasing transparency (B)</p> Signup and view all the answers

Which blockchain platform is known for enabling secure, mobile voting?

<p>Voatz (C)</p> Signup and view all the answers

What does NFT stand for?

<p>Non-Fungible Token (C)</p> Signup and view all the answers

In which industry is blockchain used to enhance data security and patient privacy?

<p>Healthcare (B)</p> Signup and view all the answers

What is one of the main challenges faced by blockchain technology?

<p>Scalability issues (B)</p> Signup and view all the answers

Which of the following is a real-world example of a DeFi platform?

<p>Uniswap (C)</p> Signup and view all the answers

What is the primary function of smart contracts in blockchain technology?

<p>To automate and enforce agreements without intermediaries (B)</p> Signup and view all the answers

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