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
symmetric #rsa #multi-prime	UIUCTF 2025	–	Crypto	files wu 1
too_many_primes #rsa #multi-prime	UIUCTF 2025	–	Crypto	files wu 1