How do you explain Blockchain?

Related questions

1. What is Blockchain in simple words?
2. How many types of Blockchain are there?
3. What can Blockchain do?
4. What is Bitcoin and Blockchain?
5. How are new Bitcoins created?
6. Do Bitcoin nodes get paid?
7. Is Blockchain related to Bitcoin?
8. Is all Cryptocurrency Blockchain?
9. What type of Blockchain is BankChain?
10. What is the purpose of Blockchain?

Tags

1. #change
2. #makes
3. #blockchain
4. #computers
5. #added
6. #database
7. #constant
8. #explained
9. #copies
10. #record
11. #ensure
12. #difficult
13. #checks
14. #network
15. #chain
16. #across
17. #shared