Web3/The Ethernaut

// SPDX-License-Identifier: MITpragma solidity ^0.8.0;contract CoinFlip { uint256 public consecutiveWins; uint256 lastHash; uint256 FACTOR = 57896044618658097711785492504343953926634992332820282019728792003956564819968; constructor() { consecutiveWins = 0; } function flip(bool _guess) public returns (bool) { uint256 blockValue = uint256(blockhash(block.number - 1)..

드디어 Web3를 시작하게 됐다.과연 흥미를 붙여 계속 할 수 있을진 모르겠지만.... The Ethernaut을 천천히 풀어보며 공부해보려 한다....일단 우여곡절끝에 지갑 생성 후 Level 1 Fallback을 풀었다. // SPDX-License-Identifier: MITpragma solidity ^0.8.0;contract Fallback { mapping(address => uint256) public contributions; address public owner; constructor() { owner = msg.sender; contributions[msg.sender] = 1000 * (1 ether); } modifier only..