What happens hard fork?

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Tags

1. #terms
2. #cryptocurrency
3. #splits
4. #occurred
5. #block
6. #totally
7. #forward
8. #occurs
9. #bitcoin
10. #cryptocurrencies
11. #activation
12. #resulting
13. #changed
14. #simple
15. #became
16. #different
17. #existing
18. #after
19. #version
20. #single