آموزش کسب درامد با بازی در تلگرام

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