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
Blindspot #schnorr #nonce-reuse #signature-forgery	SAS 2025 Quals	20.72	Web	files wu 1
snore #schnorr #nonce-reuse #lattice	RaRCTF 2021	24.53	Crypto	files wu 1