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Ethernaut Level 25: Motorbike

Jul 31, 20223 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity <0.7.0; import "@openzeppelin/contracts/utils/Address.sol"; import...

Ethernaut Level 24: Puzzle Wallet

Jul 30, 20225 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; pragma experimental ABIEncoderV2; import...

Ethernaut Level 23: Dex Two

Jul 30, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import...

Ethernaut Level 22: Dex

Jul 29, 20223 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import "@openzeppelin/contracts/token/ERC20/IERC20.sol"; import...

Ethernaut Level 21: Shop

Jul 29, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; interface Buyer { function price() external view returns (uint); } contract...

Ethernaut Level 20: Denial

Jul 28, 20222 min read

Solidity Code // SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import '@openzeppelin/contracts/math/SafeMath.sol'; contract Denial { ...