// the blog

GhostCode Blog

Ideas and plain-spoken guides for sending a message only one person can read. New posts a few times a week.

// guide

What steganography actually is (and why it's older than most people realize)

What the word means, where it started, how it works at the pixel level, and what the phone in your pocket can do with it.

// guide

How to hide a secret message inside a photo

Tuck a private note inside an ordinary-looking photo, what it is good for, and the honest limits worth knowing before you rely on it.