함수형 컴포넌트 ✔rafce react arrow functional export component import React from 'react' const Blockchain = () => { return ( ) } export default Blockchain ✔rfc react functional component import React from 'react' export default function Blockchain() { return ( ) } ✔rfce react functional export component import React from 'react' function Blockchain() { return ( ) } export default Blockchain 클래스형 컴포넌트 ✔..
