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
134
연습문제
4.4
다음의
16
진수 값을
bytes
형 값으로 변환하고 이를 다시
Base58
로 인코딩하시오.
•
7c076ff316692a3d7eb3c3bb0f8b1488cf72e1afcd929e29307032997a838a3d
•
eff69ef2b1bd93a66ed5219add4fb51e11a840f404876325a1e8ffe0529a2c
•
c7207fee197d27c618aea621406f6bf5ef6fca38681d82b2f06fddbdce6feab6
4.4.2
비트코인 주소 형식
압축
SEC
형식의
264
비트도 여전히 비트 수가 너무 많습니다. 게다가 보안에도 취약한 면이
있습니다 (
6
장 참고 ). 주소의 길이도 줄이고 보안성도 높이기 위해
ripemd160
해시를 사용할
수 있습니다.
그럴 경우
33
바이트의
SEC
형식을
20
바이트로 상당히 줄일 수 있습니다. 아래는 비트코인 주
소를 생성하는 방법입니다.
1
.
메인넷
Mainnet
주소는
0x00
으로 시작하고,
테스트넷
Testnet
주소는
0x6f
로 시작합니다.
2
. 압축 혹은 비압축
SEC
형식 주소를
sha256
해시함수에 넣고, 다시
ripemd160
해
시함수에 넣어 출력을 얻습니다. 이렇게 연속으로
2
개의 해시함수를 적용하는 방법을
hash160
이라고 합니다. ...
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.