Articles in this series
Hello Ethernaut The first level in this series walks us through the setup of the CTF series. When we click on "Get new instance", it deploys the...
The challenge asks us to claim the ownership of the contract and reduce its balance to 0. In this case, we have been provided with the contract...
We are asked to claim ownership of a contract whose code is provided as such: // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import...
Overview This level presents us with a coin flipping game. We need to maintain a winning streak of 10 by guessing the outcome of a coin flip. The...
Concept The main concept being taught in this level is the difference between the use of tx.origin and msg.sender. Let’s try and understand this using...
Concept The emphasis of this level is on the concept of overflow and underflow which is a concern for contracts written in solidity version...
