Atharva Deshpandeforatoo.hashnode.net·Jan 9, 2023Ethernaut Challenge Level 1Hey everyone, here is the second article of my series on Ethernaut journey. It's going well for now at least hahaha. NOTE: You don't need to read through the entire article if you are looking for some solution to your problem. Head down to the chall...Discuss·13 likes·58 readsEthernaut JourneySmart Contracts
Aditya DixitforAll Things Securityallthingssecurity.hashnode.net·Aug 13, 2022Ethernaut Level 06 - DelegationObjectives This level wants us to claim the ownership of the contract to win. The concept hidden in this contract is called a Delegate Call or delegatecall(). Let's dive in. Delegate Call in Solidity A delegate call is a special low-level call in S...Discuss·8 likes·1.1K readsEthernaut CTFEthernaut
Ram Ganesh LankadaforRam Ganesh's Blogsramganesh.hashnode.net·Feb 11, 2023A Deep Dive into EthereumEthereum State: Contains a key-value mapping of addresses to account objects. State: Contains the current information of an Ethereum network, including Account Balances Nonce Contract code contract storage History: Contains past events of an ...Discuss·2 likes·52 readsEthereum
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Apr 5, 2023Ethernaut - Walkthrough for Noobs - 17 - RecoveryThis is a relatively easy challenge, introducing the concepts of a token factory and RLP encoding. The whole idea of this challenge is that we have created a token contract using the token factory and deployed some Eth to it, the address of this new ...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Apr 1, 2023Ethernaut - Walkthrough for Noobs - 16 - PreservationYou would need the knowledge from Level 6 and Level 12 to solve this challenge. This challenge teaches us about libraries. They do not have storage and cannot hold state variables or functions. Hence, they should be labeled as such to avoid misusing ...Discuss·1 likeEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 28, 2023Ethernaut - Walkthrough for Noobs - 13 - Gatekeeper OneI will explain the challenge in a slightly different way this time, usually, we start with some background information, look at the code, and then write a solution. This challenge is different as there are three mini-challenges mixed in, so we will h...DiscussEthernaut - Walkthrough for Noobs Web3
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 27, 2023Ethernaut - Walkthrough for Noobs - 12 - PrivacyThis challenge is marked as a 4/5 difficulty level problem but would fail to meet your expectations. If you remember the Vault - Level 8, you pretty much understand the background required to get your hands dirty and solve the problem. Objective: Th...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 25, 2023Ethernaut - Walkthrough for Noobs - 11 - ElevatorThis challenge teaches us about interfaces and gives us some important lessons while working on smart contracts: Prevention is better than cure and never trust external actors blindly while writing your contracts. Our objective is to make the elevat...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 23, 2023Ethernaut - Walkthrough for Noobs - 10 - ReentrancyThis challenge is a good one. We learn about the famous re-entrancy attack. This attack was responsible for the infamous 'The DAO Hack'. It is the reason why there was a hard fork on the Ethereum chain and we now have two chains, the legacy chain - E...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 21, 2023Ethernaut - Walkthrough for Noobs - 9 - King👑This is a good albeit easy challenge since this begins to teach us regarding the optimal methods to send ether to others in a contract. Objective: The challenge below represents a very simple game: whoever sends it an amount of ether that is larger ...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 20, 2023Ethernaut - Walkthrough for Noobs - 8 - VaultThis challenge basically teaches how nothing is really private on the blockchain and all data can be seen by everyone. The word private or internal should not be used to store "private" things like passwords. Objective: Unlock the vault to pass the ...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 19, 2023Ethernaut - Walkthrough for Noobs - 7 - ForceThis challenge will teach you, how to shove tokens down a contract's throat, even if the contract isn't necessarily accepting them. The goal of this level is to make the balance of the contract greater than zero. Background Usually, a contract rece...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
Aditya BajajforAditya Bajajadityabajaj.hashnode.net·Mar 17, 2023Ethernaut - Walkthrough for Noobs - 6 - DelegationThis challenge is also fairly simple and introduces the concept of delegatecall. Per usual, I would give you all the tools to solve this on your own and then provide a solution. The goal of this level is for you to claim ownership of the instance yo...DiscussEthernaut - Walkthrough for Noobs 2Articles1Week
