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
TrashChain #custom-hash-collision #multiplicative-hash #modular-arithmetic	DawgCTF 2021	23.29	Crypto	files wu 3