Decode a playfair cipher
A playfair cipher uses a 5x5 grid and keyword. Decode the DIY Playfair cipher and take a snapshot of your work.
Download Guide
Collect Badge
In this article
Cryptography
Step 1
A playfair cipher uses a 5x5 grid and keyword. Decode the DIY Playfair cipher and take a snapshot of your work.
Final steps
You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!
Complete & Share
Get 7 days of DIY for FREE!
Our Mission
To create a safe space for kid creators worldwide!
Games & Tools
2025, URSOR LIMITED. All rights reserved. DIY is in no way affiliated with Minecraft™, Mojang, Microsoft, Roblox™ or YouTube. LEGO® is a trademark of the LEGO® Group which does not sponsor, endorse or authorize this website or event. Made with love in San Francisco.