Challenges

Category Web Pwn Reverse Crypto Forensics Misc OSINT Stego Blockchain Hardware Mobile

Difficulty Beginner Easy Medium Hard Insane

CTFtime weight

–

Higher weight ≈ harder, more prestigious event.

Year

–

CTF

Country

Must have Source / Docker Writeup

Sort

Reset

Challenge	CTF	Weight	Category	Has
Cyclic_Echo	LYKNCTF 2026	–	Crypto	files
Noisy_Broadcast	LYKNCTF 2026	–	Crypto	files
Replay_Jasmine	LYKNCTF 2026	–	Crypto	files
SHA256	LYKNCTF 2026	–	Crypto	files
Shortcut	LYKNCTF 2026	–	Crypto	files
Sleepless_Machine	LYKNCTF 2026	–	Crypto	files
Whispering	LYKNCTF 2026	–	Crypto	files