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
seed-sPRiNG #srand-time-seed #prng-prediction	picoCTF 2019	–	Pwn	files wu 1
Back_to_the_past #srand-time-seed #lcg #bruteforce	PwnMe 2025 Quals	24.95	Reverse	files wu 1