What is a major risk of using only a raw hash of the original URL as the short code?

Question

What is a major risk of using only a raw hash of the original URL as the short code?

Option A

It cannot be stored in SQL

Option B — Correct answer

It introduces collision handling concerns

Option C

It always makes redirects slower than 10 seconds

Option D

It disables caching

Quiz: Design a URL Shortener