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.
4
장
직렬화
137
if testnet:
prefix = b'\xef'
else:
prefix = b'\x80'
if compressed:
suffix = b'\x01'
else:
suffix = b''
return encode_base58_checksum(prefix + secret_bytes + suffix)
연습문제
4.6
아래의 비밀키를
WIF
형식으로 구하시오.
•
5003
(공개키는 압축
SEC
형식으로 테스트넷에서 사용 )
•
2021
5
(공개키는 비압축
SEC
형식으로 테스트넷에서 사용 )
•
0x54321deadbeef
(공개키는 압축
SEC
형식으로 메인넷에서 사용 )
4.5
비트코인에서 빅엔디언/리틀엔디언 변환
이제부터는 숫자를 빅엔디언/리틀엔디언으로 파싱하고 직렬화하는 방법을 자주 배울 것입니
다. 따라서 빅엔디언/리틀엔디언 변환 방법을 아는 것은 매우 유용합니다. 특히, 사토시는 비
트코인에서 리틀엔디언을 자주 사용했습니다. 그런데 애석하게도 어디에서 리틀엔디언을 사용
하고 어디에서 빅엔디언을 사용하는지에 대한 명확한 규칙은 없습니다.
SEC
형식에서는 빅엔
디언을 사용합니다. 주소와
WIF
형식에서도 빅엔디언을 사용합니다.
5
장 이후로는 리틀엔디
언을 많이 사용합니다. 이러한 관점에서 다음 연습문제를 풀어봅시다. 마지막 연습문제는 개인
테스트넷 ...
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.