Challenges

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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Challenge	CTF	Weight	Category	Has
portable_graphics #go-binary-reversing #png-chunk-crafting #custom-chunk	CTF@AC 2025 Quals	24.53	Reverse	files wu 1