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
Blinky #pointer-authentication #speculative-execution #cache-side-channel #mips	R3CTF 2026	35.95	Misc	files wu 1
stolen_backdoor #flush-reload #cache-side-channel #shared-library-cow	Pwn2Win 2020	63.56	Misc	files wu 2