Intermediate
Blockchain & Web3
Q80 / 100
Why do some Ethereum transactions specify a "nonce"?
Correct! Well done.
Incorrect.
The correct answer is A) The nonce is a sequential counter per account that ensures transaction ordering and prevents replay of the same transaction twice
A
Correct Answer
The nonce is a sequential counter per account that ensures transaction ordering and prevents replay of the same transaction twice
Explanation
Each account transaction must use the next sequential nonce; this ordering prevents the same signed transaction from being replayed and ensures transactions are processed in sequence.
Progress
80/100