The Ethernaut

1. Set up Metamask https://metamask.io/ko/download/ 브라우저 주로 사파리 쓰는데.. 사파리는 지원 안되어서 크롬에 설치 😞 network -> sepolia 선택 &nbsp &nbsp 2. Open the brow

https://velog.io/@oomia/로컬에서-시작하는-Ethernaut https://github.com/OpenZeppelin/ethernaut &nbsp &nbsp &nbsp &nbsp > Look carefully at the contract's c

Claim ownership of the contract below to complete this level. > Things that might help > Solidity Remix IDE &nbsp &nbsp fallout이 아니라.. Fal1out이다..

This is a coin flipping game where you need to build up your winning streak by guessing the outcome of a coin flip. To complete this level you'll need

Claim ownership of the contract below to complete this level. Things that might helpSee the "?" page above, section "Beyond the console"    알아야 할 점 :

The goal of this level is for you to hack the basic token contract below.You are given 20 tokens to start with and you will beat the level if you some

The goal of this level is for you to claim ownership of the instance you are given. Things that might helpLook into Solidity's documentation on the d

Some contracts will simply not take your money ¯\_(ツ)\_/¯The goal of this level is to make the balance of the contract greater than zero. Things that

Unlock the vault to pass the level! 

The contract below represents a very simple game: whoever sends it an amount of ether that is larger than the current prize becomes the new king. On s

The goal of this level is for you to steal all the funds from the contract. Things that might help:Untrusted contracts can execute code where you lea

This elevator won't let you reach the top of your building. Right?Things that might help:Sometimes solidity is not good at keeping promises.This Eleva

The creator of this contract was careful enough to protect the sensitive areas of its storage.Unlock this contract to beat the level.Things that might

Make it past the gatekeeper and register as an entrant to pass this level.Things that might help:Remember what you've learned from the Telephone and T

This gatekeeper introduces a few new challenges. Register as an entrant to pass this level.Things that might help:Remember what you've learned from ge

NaughtCoin is an ERC20 token and you're already holding all of them. The catch is that you'll only be able to transfer them after a 10 year lockout pe

This contract utilizes a library to store two different times for two different timezones. The constructor creates two instances of the library for ea

A contract creator has built a very simple token factory contract. Anyone can create new tokens with ease. After deploying the first token contract, t

To solve this level, you only need to provide the Ethernaut with a Solver, a contract that responds to whatIsTheMeaningOfLife() with the right 32 byte

You've uncovered an Alien contract. Claim ownership to complete the level. Things that might helpUnderstanding how array storage worksUnderstanding A

This is a simple wallet that drips funds over time. You can withdraw the funds slowly by becoming a withdrawing partner.If you can deny the owner from

Сan you get the item from the shop for less than the price asked?Things that might help:Shop expects to be used from a BuyerUnderstanding restrictions

The goal of this level is for you to hack the basic DEX contract below and steal the funds by price manipulation.You will start with 10 tokens of toke

This level will ask you to break DexTwo, a subtlely modified Dex contract from the previous level, in a different way. > You need to drain all balance

Nowadays, paying for DeFi operations is impossible, fact.A group of friends discovered how to slightly decrease the cost of performing multiple transa

Ethernaut's motorbike has a brand new upgradeable engine design.Would you be able to selfdestruct its engine and make the motorbike unusable ?Things t