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.

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Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
Mirror_Hash #custom-hash #birthday-attack #subset-sum #hash-collision	PwnMe 2025 Quals	24.95	Crypto	files wu 1