What is the difference between private and public Blockchain?

Related questions

1. Why is Blockchain secure?
2. Does each Cryptocurrency have its own Blockchain?
3. What is the point of Blockchain?
4. Why should I use Blockchain?
5. How is Blockchain different from Bitcoin?
6. What exactly is Blockchain?
7. What is Blockchain example?
8. How does Blockchain help business?
9. What is Blockchain and Cryptocurrency?
10. How can banks benefit from Blockchain?

Tags

1. #controls
2. #private
3. #ledger
4. #decentralised
5. #access
6. #totally
7. #devices
8. #because
9. #makes
10. #blockchain
11. #multiple
12. #impossible
13. #public
14. #encrypted
15. #almost
16. #transparent
17. #users
18. #stored
19. #information
20. #secure