Baguio's Blog
Series

The Ethernaut by OpenZeppelin

In this series, I will explain my understanding to the solutions of the Ethernaut wargame.

Articles in this series

Ethernaut: Introduction

Jul 22, 20221 min read

Hi! 👋 I am Vincent Baguio and I have been learning about Ethereum, the EVM, and Solidity. I recently finished the course "Solidity Path: Beginner to...

Ethernaut Level 1: Fallback

Jul 22, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import '@openzeppelin/contracts/math/SafeMath.sol'; contract Fallback { ...

Ethernaut Level 2: Fallout

Jul 22, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import '@openzeppelin/contracts/math/SafeMath.sol'; contract Fallout { ...

Ethernaut Level 3: Coin Flip

Jul 22, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import '@openzeppelin/contracts/math/SafeMath.sol'; contract CoinFlip { ...

Ethernaut Level 4: Telephone

Jul 22, 20221 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; contract Telephone { address public owner; constructor() public { ...

Ethernaut Level 5: Token

Jul 22, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; contract Token { mapping(address => uint) balances; uint public...