Category
web3 Write-ups
Secret Ledger
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Hardcoded secret in bytecode, keccak256 string comparison, Foundry cast interaction, legacy transaction flag
NFTrap
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Unrestricted ERC721 mint, staking reward drain, time-warp state variable, token-for-ETH swap exploit
Millennium Kombat
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Predictable on-chain RNG, block.prevrandao misuse, seed-based move prediction, brute-force first state
Administration Console
by Tania,
CTF: Hackday Quals 2026
Category: web3
Knowledge Nuggets: Solidity, keccak256 collisions, selfdestruct ether injection, access control