1. ERC-20
- ERC-20: interchangeable token
Openzeppelin
Token reputation
2. Functions
- mint: _totalSupply 및 _balances 증가.
- transferFrom: EOA or Smart Contract can transfer tokens instead of me.
- from: 토큰 소유자, to: 토큰 받는 사람
- approve: 나 대신 토큰을 EOA or Contract Address가 전송할 양을 설정.
- spender: 트랜잭션을 호출할 사람(토큰을 인출해줄 대리인)
burn: supply ⬇️ - price ⬆️
buyback: repurchase own coin - supply ⬇️ - price ⬆️
3. How does ERC-20 works