Web3 Vanguard

Web3 Vanguard
14 posts
Ethernaut Level 13 Gatekeeper One [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives Make it past the gatekeeper and register as an entrant to pass this level This level requires you to learn about bit masking and type conversions. An...
Apr 9, 20239 min read
Ethernaut Level 12 Privacy [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives Unlock this contract to beat the level. Set locked to false. Understand the storage layout of the smart contracts. Layout of State Variables in Stora...
Jan 13, 20234 min read
Ethernaut Level 11 Elevator [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives This level requires you to take the elevator to the top floor. Set the top to true. Analysis Let's take a look at the level contract, interface Build...
Jan 9, 20233 min read
Ethernaut Level 10 Reentrancy [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives Steal all the funds from the contract. In this level, you will learn about re-entrancy attacks. Reentrancy Whenever Ether is sent to a smart contract,...
Jan 5, 20235 min read
Ethernaut Level 9 King [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives Whoever sends the King contract an amount of ether that is larger than the current prize becomes the new king. Claim the kingship of the contract. When ...
Dec 28, 20223 min read
Ethernaut Level 8 Vault [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives Unlock the vault to pass, i.e., set locked storage variables to false. Each smart contract has its own storage space. Storage is a permanent data stor...
Dec 25, 20223 min read
Ethernaut Level 7 Force [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. Objectives Make the balance of the contract greater than zero. selfdestruct(address payable recipient) selfdestruct destroys the current contract, sending its fu...
Dec 22, 20223 min read
Ethernaut Level 6 Delegation [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. This level shows how to abuse the delegatecall. Objectives This level requires us to claim ownership of the contract. delegatecall delegatecall is a special low-...
Dec 20, 20224 min read
Ethernaut Level 5 Token [Foundry-Hardhat]
The Ethernaut-Solutions repository contains the solutions using Foundry and Hardhat. This level demonstrates the concept of overflow and underflow. Objectives You are funded with 20 tokens initially to get started. You need to grow your contract’s ...
Dec 16, 20224 min read

Web3 Vanguard