Cryptography Explained: Chandler's Secret Message to Joey

This is a submission for DEV Computer Science Challenge v24.06.12: One Byte Explainer.

Explainer

Recall Friends episode where Chandler got stuck in the bank with a supermodel? He hummed to Joey,who understood.This is like cryptography, which secures communication by converting messages into unreadable formats, readable only by the intended recipient.

Additional Context

If you don't get the Friends reference or can't recall it, watch Season 1, Episode 7, "The One with the Blackout."