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
A2S #reduced-round-aes #differential-cryptanalysis	Pwn2Win 2021	83.41	Crypto	files wu 1
Oh_Anna_Julia #discrete-log-oracle #bit-by-bit-leak	Pwn2Win 2021	83.41	Crypto	files wu 1
cladorhizidae	Pwn2Win 2021	83.41	Crypto	files
kangurei	Pwn2Win 2021	83.41	Crypto	files
t00_rare	Pwn2Win 2021	83.41	Crypto	files