Blockchain Forks MCQs

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1. : What is a blockchain fork?



 

2. : Which fork creates a permanent divergence in the blockchain?



 

3. : Which fork is backward-compatible?



 

4. : Which fork led to the creation of Bitcoin Cash?



 

5. : What is the main reason forks occur?



 

6. : Which fork happens when two miners find a block simultaneously?



 

7. : Ethereum’s hard fork after the DAO hack created which new blockchain?



 

8. : Which fork requires all nodes to upgrade to the new rules?



 

9. : Which type of fork can lead to two separate cryptocurrencies?



 

10. : What does a soft fork usually enforce?



 

11. : Bitcoin SegWit upgrade is an example of a:



 

12. : What is a user-activated soft fork (UASF)?



 

13. : What is the purpose of forks in blockchain?



 

14. : Which fork created Bitcoin Gold?



 

15. : Which type of fork does not split the chain permanently?



 

16. : Which blockchain had a major fork leading to Ethereum Classic?



 

17. : What is an accidental fork?



 

18. : What do orphan blocks represent?



 

19. : Which fork allows both old and new rules to coexist temporarily?



 

20. : Which fork usually causes the most debate in communities?



 

21. : What is a chain split?



 

22. : Which fork can be reversed without major issues?



 

23. : Which type of fork often results in a new token distribution?



 

24. : Which fork is considered more flexible and less risky?



 

25. : What is miner-activated soft fork (MASF)?



 

26. : Which fork type is used to reverse hacks or bugs?



 

27. : Which fork in Bitcoin introduced replay protection?



 

28. : What is replay protection in forks?



 

29. : Which blockchain underwent multiple forks due to block size debates?



 

30. : Which fork was caused by disagreement over block size limit?



 

31. : Which fork resulted in Bitcoin SV?



 

32. : What is the main risk of frequent hard forks?



 

33. : Which fork is more disruptive to the blockchain?



 

34. : A fork that happens due to outdated software is called?



 

35. : What is a contentious fork?



 

36. : Which fork introduced Schnorr signatures in Bitcoin?



 

37. : Which fork can increase block size without splitting chain?



 

38. : Which fork can sometimes be called an upgrade fork?



 

39. : What is the Ethereum London Hard Fork known for?



 

40. : Which fork is temporary and resolves quickly by consensus?



 

41. : Which fork is required to change consensus mechanisms?



 

42. : Which fork allowed Ethereum’s transition towards Proof-of-Stake?



 

43. : What is a sidechain fork?



 

44. : Which fork in Ethereum introduced proof-of-stake?



 

45. : Which fork type can lead to multiple competing chains?



 

46. : What is the primary goal of a planned fork?



 

47. : Which fork is considered safer for backward compatibility?



 

48. : Which fork often needs majority community agreement?



 

49. : Which fork in Bitcoin reduced transaction malleability?



 

50. : Which fork is associated with improved privacy in Bitcoin?



 

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