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Series

Ethernaut x Foundry

In this series, we will go over the solutions Ethernaut, a popular wargame which focuses on security vulnerabilities found in DeFi. As a bonus, we will use the rust-based development toolkit Foundry!

Articles in this series

Ethernaut x Foundry - 0x0 Hello Ethernaut

Feb 28, 20225 min read3.0K views

Quick Introduction and Setup Instructions · Foundry Primer Foundry is a portable, fast and modular toolkit for Ethereum application development. It is a...

Ethernaut x Foundry - 0x0 Hello Ethernaut

Ethernaut x Foundry - 0x1 Fallback

Mar 2, 20223 min read523 views

Overview This level introduces us to the following concepts: fallback() native Solidity function. Difference between send(), call() and transfer()...

Ethernaut x Foundry - 0x1 Fallback

Ethernaut x Foundry - 0x2 Fallout

Mar 4, 20222 min read145 views

Overview This level introduces us to the following concept(s): How contracts get initialized The role of the constructor() native function. GitHub...

Ethernaut x Foundry - 0x2 Fallout

Ethereum x Foundry - 0x3 Coinflip

Mar 8, 20223 min read196 views

Overview This level introduces us to the following concept(s): The problem of randomness in Solidity Deploying attack contracts and...

Ethereum x Foundry - 0x3 Coinflip

Ethereum x Foundry - 0x4 Telephone

Mar 11, 20223 min read161 views

Overview This level introduces us to the following concept(s): Differences between msg.sender and tx.origin Phishing in Web 3.0 GitHub Repository...

Ethereum x Foundry - 0x4 Telephone

Ethernaut x Foundry - 0x5 Token

Mar 18, 20223 min read207 views

Overview This level introduces us to the following concept(s): Arithmetic underflows/overflows Usage of SafeMath library (and pragma solidity...

Ethernaut x Foundry - 0x5 Token