What is the function of Blockchain?

Related questions

1. What's so special about Blockchain?
2. What does Satoshi Nakamoto mean?
3. Does each Cryptocurrency have its own Blockchain?
4. What are nodes in Blockchain?
5. Do all Cryptocurrencies use Blockchain?
6. What are applications of Blockchain?
7. What is the main purpose of Blockchain?
8. Does Blockchain change the world?
9. Why do we use Blockchain?
10. Why is Blockchain secure?

Tags

1. #digital
2. #technology
3. #database
4. #authenticate
5. #which
6. #transactions
7. #party
8. #distributed
9. #refers
10. #third
11. #blockchain
12. #eliminates