✍ Blockchain Knowledge Quiz

Test what you’ve learned about blockchain! This quiz covers topics from all sections of the site. No peeking! 😉

Note: This is an HTML-only quiz using form elements. Answers are revealed in the answer key at the bottom of the page!


📝 Section 1: Multiple Choice (Select one answer)
Question 1: Who created Bitcoin?



Question 2: What year was the Bitcoin Genesis Block mined?



Question 3: What is the maximum supply of Bitcoin?



Question 4: What consensus mechanism does Ethereum currently use?



Question 5: What hash function does Bitcoin use?



Question 6: What was the first real-world Bitcoin purchase?



Question 7: Which country was the first to make Bitcoin legal tender?



✅ Section 2: True or False
Question 8: Blockchain data can be modified after it has been recorded.   

Question 9: A private key should be shared publicly so others can send you crypto.   

Question 10: Ethereum supports smart contracts while Bitcoin does not (natively).   

Question 11: The Bitcoin halving occurs approximately every 10 years.   

Question 12: A hot wallet is connected to the internet.   

Question 13: Stablecoins are designed to have volatile prices.   

💬 Section 3: Short Answer














🔀 Section 4: Matching (Select the correct match from the dropdown)







☑ Section 5: Select All That Apply
Question 23: Which of the following are properties of blockchain?





Question 24: Which of these are types of cryptocurrency wallets?





Question 25: Which of these are consensus mechanisms?





📝 Section 6: Long Answer








🎓 Student Information






1 = Not sure at all  |  10 = Very confident



  


🔑 Answer Key

Scroll down only after you’ve completed the quiz!









⚠ SPOILER WARNING – ANSWERS BELOW!









Click to reveal Section 1 answers (Multiple Choice)
  1. Q1: b) Satoshi Nakamoto — See History page
  2. Q2: c) 2009 — See History page
  3. Q3: b) 21 million — See Cryptocurrencies page
  4. Q4: b) Proof of Stake — See How It Works page
  5. Q5: c) SHA-256 — See How It Works page
  6. Q6: b) Two pizzas — See History page
  7. Q7: c) El Salvador — See Gallery page

Click to reveal Section 2 answers (True or False)
  1. Q8: False — Blockchain is immutable. Learn more
  2. Q9: False — Private keys must be kept secret! Your public key is for receiving. Learn more
  3. Q10: True — Ethereum was designed for smart contracts. Learn more
  4. Q11: False — The halving occurs approximately every 4 years. Learn more
  5. Q12: True — Hot wallets are internet-connected. Learn more
  6. Q13: False — Stablecoins are designed to maintain a stable value. Learn more

Click to reveal Section 3 answers (Short Answer)
  1. Q14: The Genesis Block (also called Block 0)
  2. Q15: Non-Fungible Token
  3. Q16: A Satoshi (0.00000001 BTC)
  4. Q17: Any of: Deterministic, one-way, fast to compute, avalanche effect, collision resistant
  5. Q18: A seed phrase is used to recover/restore a cryptocurrency wallet if you lose access to it

Click to reveal Section 4 answers (Matching)
  1. Q19: Bitcoin → b) First cryptocurrency / digital gold
  2. Q20: Ethereum → a) Smart contract platform
  3. Q21: XRP → c) Cross-border payments
  4. Q22: Chainlink → d) Oracle network

Click to reveal Section 5 answers (Select All)
  1. Q23: Correct: a) Decentralized, c) Immutable, d) Transparent, f) Peer-to-Peer
  2. Q24: Correct: a) Hardware, b) Paper, d) Mobile, e) Desktop
  3. Q25: Correct: a) Proof of Work, b) Proof of Stake, d) Delegated PoS, e) Proof of Authority

Click to reveal Section 6 guidance (Long Answer)

Q26 should mention:

Q27 should compare:

Q28 should explain:


📊 Scoring Guide

Score Range Rating Message
25–28 correct 🏆 Blockchain Expert! Amazing! You really know your stuff!
20–24 correct ⭐ Great Job! Solid understanding. Review a few topics and you’ll be an expert!
15–19 correct 👍 Good Effort! You’re getting there! Re-read the highlighted pages.
10–14 correct 📚 Keep Learning! Go through the site again, paying close attention to details.
Below 10 🔍 Start From the Top! No worries! Start with the Home page and work through each section.

← Previous: Gallery  |  Next: Contact →