The first reason is because the questioner is looking for an excuse to use something different. In this case, your answer is the right answer.
The second reason is because the questioner wants to learn more about how cryptography works, for educational value. In this case, your answer is not helpful.
There are two reasons to ask the question.
The first reason is because the questioner is looking for an excuse to use something different. In this case, your answer is the right answer.
The second reason is because the questioner wants to learn more about how cryptography works, for educational value. In this case, your answer is not helpful.