How blockchain works, and why it is so important

Multiple-choice questions: In order to be awarded CPD units you must answer the following five random questions correctly. If you fail the test, please re-read the article before attempting the questions again

  1. Which of these sentences best describes blockchain?

  2. When was blockchain invented and why?

  3. Which of these is not a benefit of a distributed ledger?

  4. Why is the ‘common knowledge’ effect of blockchain so valuable?

  5. How might blockchain help two IT systems to interact with one another?

  6. What does permissionless platform mean in the context of blockchain?

  7. Which of these four organisations is likely to use blockchain last?

  8. Why might blockchain end up being more user-friendly than traditional ownership records?

  9. Why might ‘permissionlessness’ be positive?

  10. Which of these is not a valid concern about blockchain?