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

Difficulty Beginner Easy Medium Hard Insane

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Higher weight ≈ harder, more prestigious event.

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2 challenges · browse all techniques

Challenge	CTF	Weight	Category	Has
Flyer	WHY 2025 Finals	–	Web	files
Flyer	WHY 2025 Quals	–	Web	files