Challenges

Search

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
encrypted_chat #many-time-pad #keystream-reuse #race-condition	TPCTF 2025	–	Crypto	files wu 1
ezguess	TPCTF 2025	–	Crypto	files
randomized_random	TPCTF 2025	–	Crypto	files
blurred_memory	TPCTF 2023	–	Crypto	files
matrix	TPCTF 2023	–	Crypto	files
nanoOTP	TPCTF 2023	–	Crypto	files
sort_level_1	TPCTF 2023	–	Crypto	files
sort_level_2	TPCTF 2023	–	Crypto	files
sort_teaser	TPCTF 2023	–	Crypto	files