Solidity application example - Crowd fund ERC20 token.

1:16 - State variables
3:53 - Constructor
4:17 - Launch
7:23 - Cancel
8:43 - Pledge
11:40 - Unpledge
13:22 - Claim
15:53 - Refund
17:42 - Deploy and demo

#Solidity #SmartContract #Ethereum #スマートコントラクト

Remix
https://remix.ethereum.org

Code
https://solidity-by-example.org/app/c...

Take a course
https://www.smartcontract.engineer/

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