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.
7
장
트랜잭션 검증과 생성
203
7.2.1
트랜잭션 설계
트랜잭션을 설계하려면 다음의 기본적인 질문에 답할 수 있어야 합니다.
1
. 비트코인을 어느 주소로 보내고자 하는가?
2
. 어느
UTXO
를 사용할 수 있는가?
3
. 얼마나 빨리 트랜잭션이 (블록체인에 기록되어 ) 처리되기를 원하는가?
여기서는 테스트넷을 사용하는 예를 들겠습니다. 물론 메인넷에도 똑같이 적용될 수 있습니다.
첫 번째는 누구에게 비트코인을 주고 싶은지에 관한 질문입니다. 한 번에 하나 이상의 주소로
비트코인을 보낼 수 있습니다. 예에서는
0
.
1tBTC
(테스트 비트코인 )을 비트코인 주소
mnrVtF
8DWjMu839VW3rBfgYaAfKk8983Xf
로 보내겠습니다.
두 번째는 보낼 비트코인이 얼마나 있는가 하는 질문입니다. 예에서는 다음과 같은 트랜잭션
해시값 (
txid
)과 출력 번호 (
index
)를 사용합니다.
txid : 0d6fe5213c0b3291f208cba8bfb59b7476dffacc4e5cb66f6eb20a080843a299
index : 13
테스트넷 블록 탐색기로 이번 출력을 조회하면 (그림
7
-
6
) 출력 비트코인이
0
.
44tBTC
인 것을
볼 수 있습니다.
10
10
여기서 활용한 테스트넷 블록 탐색기 사이트 -
https
://
live
.
blockcypher
.
com
/
btc
-
testnet ...
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.