Intermediate
Blockchain & Web3
Q45 / 100
What is a "51% attack"?
Correct! Well done.
Incorrect.
The correct answer is A) A scenario where a single entity controls more than half of a network's mining power or stake, potentially allowing them to manipulate transaction ordering or double-spend
A
Correct Answer
A scenario where a single entity controls more than half of a network's mining power or stake, potentially allowing them to manipulate transaction ordering or double-spend
Explanation
With majority control of hashing power (PoW) or stake (PoS), an attacker could potentially reorganize recent blocks or censor transactions, though rewriting deep history remains very costly.
Progress
45/100