November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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.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.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.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.
밑바닥부터 시작하는 비트코인
214
8.1
다중서명
다중서명을 지원하도록 출력을 구성하는 첫 번째 시도가 바로 베어 다중서명
Bare
Multisig
입니다.
트랜잭션 출력에 긴 잠금 스크립트가 있기 때문에 ‘
Bare
’ 다중서명이라고 합니다.
3
다중서명의
개념은 단일 실패 지점이 해킹 대응력을 갖도록 변경하는 것입니다. 다중서명을 이해하려면 먼
저
OP
_
CHECKMULTISIG
명령어를 이해해야 합니다.
6
장에서 논의했듯이 스크립트에는 많은 명
령어가 있습니다.
OP
_
CHECKMULTISIG
는 그중 하나로 오피코드는
0xae
입니다. 이 명령어는 스
택 위에 많은 서명과 공개키를 가져와서 유효한 서명의 수가 기준 이상인지 여부를
1
과
0
으로
반환합니다.
[그림
8
-
1
]은
1
-
of
-
2
다중서명 잠금 스크립트의 예입니다.
4
그림
8-1
다중서명 잠금 스크립트
다중서명 잠금 스크립트 중 위의 예는 크기가 작은 경우에 해당하지만 이것도 상당히 길다는
것을 알 수 있습니다.
p2pkh
잠금 스크립트는 겨우
25
바이트이지만, 위의 다중서명은
101
바
이트입니다 (압축
SEC
형식으로 공개키를 사용하면 길이가 어느 정도 줄어듭니다 ). 그래도 다
중서명 중 가장 길이가 짧은
1
-
of
-
2
경우입니다. [그림
8
-
2
]는 해제 스크립트의 예입니다.
3
긴 잠금 스크립트를 가지는 이유는 복수의 ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
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.