Guess the new number1. 题目
1.1 要求： The number is now generated on-demand when a guess is made
1.2 题目代码：
1234567891011121314151617181920pragma solidity ^0.4.21;contract GuessTheNewNumberChallenge &#...
Guess the random number1. 题目
1.1 This time the number is generated based on a couple fairly random sources
1.2 题目代码：
1234567891011121314151617181920212223// SPDX-License-Identifier: MITpragma soli...
Guess the secret number1. 题目
1.1 Putting the answer in the code makes things a little too easy.
This time I’ve only stored the hash of the number. Good luck reversing a cryptographic hash!
1.2 题目代...
Guess the number1. 题目
I’m thinking of a number. All you have to do is guess it.
题目代码：
12345678910111213141516171819202122// SPDX-License-Identifier: MITpragma solidity ^0.4.21;contract GuessTheNum...
Deploy a contracttips： 宝藏博客1. 题目要求
1.1 To complete this challenge, you need to:
Install MetaMask.
Switch to the Ropsten test network.
Get some Ropsten ether. Clicking the “buy” button in MetaMask...
Good Samaritan1. 题目
1.1 This instance represents a Good Samaritan that is wealthy and ready to donate some coins to anyone requesting it.
Would you be able to drain all the balance from his Wallet?...
Dex Two1. 题目要求
1.1 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 balances of token1 and token2 from th...
