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
Crossword_1 #codeword-puzzle #substitution-cipher #ocr	KBxAc 2026	–	Crypto	files wu 1
Crossword_2 #codeword-puzzle #substitution-cipher	KBxAc 2026	–	Crypto	files wu 1