November 2019
Beginner to intermediate
408 pages
9h 29m
Korean
Content preview from 밑바닥부터 시작하는 비트코인
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밑바닥부터 시작하는 비트코인
316
13.1
p2wpkh
스크립트
p2wpkh
(
Pay
-
to
-
witness
-
pubkey
-
hash
) 스크립트는
BIP0141
과
BIP0143
에서 정의
한 네 가지 유형의 스크립트 중 하나입니다. 이는
p2pkh
(
pay
-
to
-
pubkey
-
hash
)처럼 동
작하는 스마트 계약이며 그래서 이름도 이와 비슷하게 지어졌습니다.
p2pkh
와 가장 큰 차이
점은 해제 스크립트의 데이터가
증인
witness
필드
에 분리되어 있다는 점입니다. 이러한 변화는 트
랜잭션 가변성 문제를 해결합니다.
13.1.1
트랜잭션 가변성
트랜잭션 가변성
Transaction
malleability
은 트랜잭션 의미는 유지하면서 트랜잭션
ID
가 변경될 수 있는
성질을 말합니다. 마운틴곡스 거래소의
CEO
마크 카펠르
Mark
Karpeles
는
2013
년 그의 거래소가
인출을 허용하지 않은 이유가 바로 트랜잭션 가변성 때문이라고 했습니다.
라이트닝 네트워크
Lightning
Network
에서 가장 작은 단위인 결제 채널
payment
channels
을 만들 때 트랜잭
션
ID
가 변할 수 있다는 사실은 중요한 고려 사항입니다. 트랜잭션
ID
가 변할 수 있으면 결제
채널을 안전하게 만드는 것이 상당히 어려워집니다.
트랜잭션 가변성이 문제인 이유는 트랜잭션
ID
가 전체 트랜잭션을 기반으로 ...
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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.