Web3-CTF-Collection

CTF	Challenge	Chain	Platform	Bug/Solution
N1CTF 2022	Utility Payment Service	Solana	Vanilla Rust	Integer underflow
N1CTF 2022	Simple Staking	Solana	Anchor	PDA seed collision
idek CTF 2022	Blockchain 1	Solana	Anchor	Missing signer authorization
idek CTF 2022	Blockchain 2	Solana	Anchor	Integer underflow
idek CTF 2022	Blockchain 3	Solana	Anchor	Missing check leading to Admin re-initialization
Dice CTF 2023	Baby Solana	Solana	Anchor	Erroneous Rust code leading to constraint bypassing & Unchecked negative signed integers
Dice CTF 2023	Otterworld	Solana	Anchor	Creating an account whose Pubkey starts with "osec"
LACTF 2023	breakup	Ethereum	Solidity	Missing checks & public attribute on the burn method allowing any user to burn any NFT
Angstrom 2023	Sailor	Solana	Vanilla Rust	Account confusion between SailorUnion and Registration
Sekai CTF 2023	The Bidding	Solana	Anchor	Creating a fake account whose PDA collides with another account to be initialized by other user, locking them out of the bidding process