Joshua Adesanyaadesanyajoshua.hashnode.dev·Mar 6, 2024Cracking the Code: Ethernault (Level 9 - King) CTF ChallengeThe Ethernaut is a Web3/Solidity-based wargame inspired by overthewire.org, played in theEthereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. This challenge tests the player's knowledge about the implication of not usin...DiscussEthernaut
Joshua Adesanyaadesanyajoshua.hashnode.dev·Mar 5, 2024Cracking the Code: Ethernault (Level 8 - Vault) CTF ChallengeThe Ethernaut is a Web3/Solidity-based wargame inspired by overthewire.org, played in theEthereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. This challenge tests the player's knowledge about private data in solidity. T...DiscussEthernaut
Joshua Adesanyaadesanyajoshua.hashnode.dev·Mar 5, 2024Cracking the Code: Ethernault (Level 7 - Force) CTF ChallengeThe Ethernaut is a Web3/Solidity-based wargame inspired by overthewire.org, played in theEthereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. This challenge tests the player's knowledge about selfdestruct. The challenge...DiscussCTF
Abdulsamad sadiqot41k1.hashnode.dev·Feb 29, 2024Ethernaut(Lvl 15): Locked Out ; Try to get in and drain it.ERC20, short for Ethereum Request for Comment 20, is a protocol within the Ethereum ecosystem that facilitates the creation and management of tokens on the blockchain. It defines a standard interface for smart contracts, outlining ownership and trans...DiscussSmart Contracts
Abdulsamad sadiqot41k1.hashnode.dev·Feb 29, 2024Ethernaut(Lvl 13):Gatekeeper 1 . Make it past and gain entryIn Ethereum, performing computations incurs costs. These costs are determined by multiplying the amount of gas required by the current gas price. Gas represents a unit of computation, and the gas price adjusts according to the Ethereum network's acti...DiscussSmart Contracts
Joshua Adesanyaadesanyajoshua.hashnode.dev·Feb 28, 2024Cracking the Code: Ethernault (Level 6 - Delegation) CTF ChallengeThe Ethernaut is a Web3/Solidity-based wargame inspired by overthewire.org, played in the Ethereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. This challenge tests the player's knowledge about delegatecall. The challeng...DiscussSolidity
Joshua Adesanyaadesanyajoshua.hashnode.dev·Feb 27, 2024Cracking the Code: Ethernault (Level 5 - Token) CTF ChallengeThe Ethernaut is a Web3/Solidity-based wargame inspired by overthewire.org, played in theEthereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. This challenge tests the player's knowledge about overflow and underflow. The...DiscussSolidity
Joshua Adesanyaadesanyajoshua.hashnode.dev·Feb 26, 2024Cracking the Code: Ethernault (Level 4 - Telephone) CTF ChallengeThe Ethernaut is a Web3/Solidity-based wargame inspired by overthewire.org, played in the Ethereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. This challenge tests the player's knowledge about msg.sender and tx.origin. ...DiscussCTF
Abdulsamad sadiqot41k1.hashnode.dev·Feb 26, 2024Ethernaut(Lvl 11): Interfaces , ModifiersSolidity functions come with function modifiers that execute at the beginning of each function call. While you're already acquainted with visibility modifiers like public and private, which dictate who can invoke these functions, pure and view serve ...DiscussSolidity
Abdulsamad sadiqot41k1.hashnode.dev·Feb 26, 2024Ethernaut(Lvl 10): Legendary DAO hack all over againUnderstanding Re-entrancy Re-entrancy occurs in single-thread computing environments when the execution stack jumps or invokes subroutines before returning to the original execution flow. While this single-thread execution ensures the atomicity of co...Discuss·1 likeSmart Contracts