Daily Hack

A fresh 60-second challenge every day. Solve it, earn XP, and keep your streak alive.

Next hack in --:--:--
Daily Hack #41

Hex back to text

Security Fundamentals Difficulty Easy ~3 min +10 XP

A flag was written out as a long run of hex digits, using only the characters 0-9 and a-f. That is a tell for one specific encoding. Recognise it, tap the matching decoder, and submit the flag.

Play freely - sign up to submit your answer and earn XP.

Solved! +10 XP
First blood! You were first to crack today's hack.
How it works

Nice one!

Sign up free to claim your +10 XP and start your streak.

Claim +10 XP - sign up free
17,000+ Hackers 100+ Labs & Courses Free
Start Hacking Free