개발 코어 강화 일지

1. 문제 The Ethernaut The Ethernaut is a Web3/Solidity based wargame played in the Ethereum Virtual Machine. Each level is a smart contract that needs to be 'hacked'. The game is 100% open source and all levels are contributions made by other players. ethernaut.openzeppelin.com 문지기(gatekeeper)를 지나서 입장자(entrant)로 등록하라. // SPDX-License-Identifier: MIT pragma solidity ^0.8.0; contract GatekeeperTwo {..