블록체인 간단하게 : 블록의 연결 Creating a Block 1. 블록 구조 생성 class Block { public index: number; public hash: string; public previousHash: string; public data: string; public timestamp: number; constructor( index: number, hash: string, previousHash: string, data: string, timestamp: number ) { this.index = index; this.hash = hash; this.previousHash = previousHash; this.data = data; this.timestamp = timestamp;..
