1. Why can't someone cheat on the blockchain?
- Everyone has a copy and will know if it's been tampered with
2. What makes blockchain faster for cross- border payments?
- It removes the middleman, like banks
3. What is blockchain compared to in the video?
- A big digital notebook everyone can see
4. What industries use blockchain?
- Healthcare, supply chains, and finance
5. What's the key takeaway from the video?
- Blockchain is a secure, fair, and decentralized system
6. What's an example of blockchain's usefulness in daily life?
- Checking if a designer bag is authentic
7. What does "decentralized" mean in blockchain?
- No one person or organization controls it
8. What happens if someone changes a record in one block?
- Everyone else's copy says it's wrong
9. What happens when a block is full?
- A new block is added to the chain
10. What's the chain in blockchain made of?
- Connected blocks of information
11. Why is blockchain secure?
- Everyone has a copy, and changes are easily detected
12. What does the "block" in blockchain represent?
- A page of records
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