What is a fork in a Blockchain?

Related questions

1. What is a public key in Bitcoin?
2. When was Bitcoin cash hard fork?
3. What does fork split mean?
4. How is ethereum different than Bitcoin?
5. What is a soft fork?
6. Is Bitcoin and Bitcoin cash the same?
7. Is litecoin a fork of Bitcoin?
8. Is ethereum based on Bitcoin?
9. When did Bitcoin SV fork?
10. What is the difference between a soft fork and a hard fork?

Tags

1. #divergence
2. #block
3. #abandoned
4. #valid
5. #generated
6. #reaches
7. #forks
8. #rogue
9. #miners
10. #blockchain
11. #system
12. #protocol
13. #version
14. #other
15. #previous
16. #alternative
17. #change
18. #orphan
19. #miner
20. #consensus