A cryptographic hash function is a mathematical algorithm that takes an input (or 'message') and returns a fixed-length string of characters ...

They use algorithms, of course, but how do these algorithms work? A series of corporate leaks over the past few years provides a remarkable window in the hidden engines powering social media.

YouTube explains how its Shorts algorithm recommends quality videos viewers want, not those aimed at exploiting the system.

Bcrypt passwords are considered safe and difficult to crack due to their advanced hashing algorithm.