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
this_is_not_lsb #rsa #lsb-oracle #lll (lll-lattice-reduction)	SECCON 2022 Quals	97.90	Crypto	files wu 1
Bits #rsa #lsb-oracle #discrete-log #binary-search-factoring	CSAW 2021 Quals	20.54	Crypto	files wu 3