n00bz CTF 3
Shop
A writeup for the Blockchain/Shop challenge in n00bz CTF, about exploiting a reentrancy exploit in a etherium smart contract
Subtraction
A writeup for the Misc/Subtraction challenge in n00bz CTF (more like a programming challenge)
EVM - The Basics
A writeup for the Blockchain/EVM - The Basics challenge in n00bz CTF, about decoding some EVM runtime bytecode