November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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6
장
스크립트
181
사토시가 비압축
SEC
형식을 사용한 이유
블록 크기가 아주 중요한 비트코인에서 비압축
SEC
형식을 사용하는 것은 이해하기 어렵습니
다. 왜 사토시는 그렇게 했을까요? 사토시가 비트코인을 개발했던
2008
년 그는
SEC
형식 변환
을 위해
OpenSSL
라이브러리를 사용하고 있었습니다. 그런데 당시의
OpenSSL
라이브러리에
는 압축 형식에 대해 문서화가 제대로 되어 있지 않았습니다. 그래서 사토시가 비압축
SEC
형식
을 사용했을 것이라 추측합니다.
피터르 바윌러
Pieter
Wuille
가
OpenSSL
라이브러리가 압축
SEC
형식도 지원한다는 것을 발견하고
나서 많은 사람들이 압축
SEC
형식을 사용하기 시작했습니다.
둘째, 공개키의 긴 길이가 미묘한 문제를 일으킵니다. 왜냐하면 긴 공개키는
UTXO
집합에 포
함되어 있기에
UTXO
집합의 크기를 커지게 합니다. 이는
UTXO
집합을 보관하기 위한 메모
리 자원과 인덱싱을 위한 계산 자원을 차지하여 풀 노드에게 부담이 됩니다.
셋째, 공개키는 누구나 볼 수 있는 잠금 스크립트 안에 있습니다. 만약 훗날
ECDSA
암호가 깨
진다면 비트코인이 해킹될 수 있습니다. 예를 들어 퀀텀 컴퓨터가
RSA
,
ECDSA
암호의 탐색
시간을 현저히 감소시킬 잠재력이 있습니다. 따라서 무언가 추가적인
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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.