Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

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Higher weight ≈ harder, more prestigious event.

Year

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CTF

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
OutOfPhase #ofdm #signal-processing #phase-encoding	ASIS 2026 Quals	90.53	Hardware	files wu 1
DarkSideOfTheDishy #iq-samples #signal-processing	HackASat 2023 Quals	–	Misc	files wu 1
BabyEncoder #fft #signal-processing	0CTF 2022	100.00	Reverse	files wu 1