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

Country

Must have Source / Docker Writeup

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Challenge	CTF	Weight	Category	Has
TagSeries3 #hash-length-extension #sha1	WolvCTF 2024	35.25	Crypto	files wu 1
Merkle-Derkle #hash-length-extension #sha1	PatriotCTF 2022	24.52	Crypto	files wu 1