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Mining and Staking MCQs

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1. : What is cryptocurrency mining primarily used for?





2. : Which consensus mechanism is associated with mining?





3. : What do miners receive as a reward for mining blocks?





4. : Which hardware is commonly used for Bitcoin mining today?





5. : What does staking involve?





6. : Which network first popularized staking as a consensus mechanism?





7. : In staking, validators are chosen based on:





8. : Mining difficulty adjusts to maintain what?





9. : Which of the following is a disadvantage of staking?





10. : Ethereum transitioned from mining to staking in which upgrade?





11. : What is the reward system in Proof of Stake called?





12. : Which of these coins still relies on mining with Proof of Work?





13. : The process of verifying transactions in staking is done by:





14. : Which of the following is a major drawback of mining?





15. : What is a mining pool?





16. : In staking, if a validator acts maliciously, what can happen?





17. : What is the main environmental advantage of staking over mining?





18. : Which blockchain uses delegated Proof of Stake (DPoS)?





19. : What determines mining profitability?





20. : What happens when staking rewards are compounded?





21. : Which of these is NOT a staking-based cryptocurrency?





22. : What is “hash rate” in mining?





23. : In staking, users can participate without running a node by:





24. : Which of the following is an advantage of mining?





25. : What is the term used when staked funds are temporarily inaccessible?





26. : Which cryptocurrency is famous for privacy-focused mining?





27. : In Proof of Stake, the probability of validating a block depends on:





28. : What is a 51% attack in mining?





29. : Which of these is NOT required for staking?





30. : Which blockchain uses Proof of History combined with staking?





31. : In mining, the process of finding a valid hash is called:





32. : Staking is considered more:





33. : Which mining algorithm is used in Bitcoin?





34. : In staking, rewards are usually distributed in:





35. : Which blockchain uses Ouroboros PoS protocol?





36. : Mining pools exist mainly to:





37. : What is “slashing” in staking?





38. : Litecoin mining uses which algorithm?





39. : What is required to run a staking node?





40. : Which of these best describes mining centralization risk?





41. : In staking, validators must remain:





42. : What is block reward halving in Bitcoin mining?





43. : Which staking model allows users to stake without technical setup?





44. : Mining requires solving:





45. : Which blockchain uses Nominated Proof of Stake (NPoS)?





46. : What happens when too many validators go offline in staking?





47. : Which country once accounted for the majority of Bitcoin mining?





48. : Cold staking means:





49. : In mining, what is an “orphan block”?





50. : Staking helps prevent:





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