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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.

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Challenge	CTF	Weight	Category	Has
Launchpad	GreyCatTheFlag 2025	32.92	Blockchain	files
Rational	GreyCatTheFlag 2025	32.92	Blockchain	files
Escrow	GreyCatTheFlag 2024 Quals	–	Blockchain	files
Greyhats_Dollar	GreyCatTheFlag 2024 Quals	–	Blockchain	files
Simple_Amm_Vault	GreyCatTheFlag 2024 Quals	–	Blockchain	files
Voting_Vault	GreyCatTheFlag 2024 Quals	–	Blockchain	files