November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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11
장
단순 지급 검증
273
9
장에서 블록 헤더 필드를 들여다볼 때 자세히 보지 않은 부분이 머클루트입니다. 머클루트의
유용성을 이해하려면 먼저 머클트리와 그 성질을 알아야 합니다. 여기서는 머클루트가 무엇인
지 살펴보겠습니다. 이는 특히 특정 트랜잭션의
블록 포함 여부
proof
of
inclusion
를 알아내는 데 유용
하며 이렇게 알아내는 과정을 단순 지급 검증
simplified
payment
verification
이라고 합니다.
11.1
단순 지급 검증의 필요성
저장 공간과 대역폭이 넓지 않고 연산 수행력이 낮은 장치의 경우 전체 블록체인을 저장하고 트
랜잭션을 수신하고 검증하는 데 어려움이 있습니다. 이 책을 쓰는 시점에서 전체 비트코인 블록
체인 크기는 약
200GB
로 대부분의 휴대폰에서는 저장하기 부담스러운 크기입니다. 게다가 이
많은 데이터를 효율적으로 내려받기 어렵고 분명히
CPU
에 부담됩니다. 전체 블록체인을 휴대
폰에 넣을 수 없다면 무엇을 할 수 있을까요? 전체 데이터가 없어도 비트코인 지갑을 만들 수
있을까요?
지갑으로 할 수 있는 시나리오는 다음과 같이 두 가지 있습니다.
1
. 누군가에게 돈을 지불하기
2
. 누군가로부터 돈을 받기
단순 지급 검증
CHAPTER
11
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.