PBL Ⅲ/Ethereum and Solidity 16

Section1 : 12. What's a transaction ~ 16. block time

12. What's a transaction transaction: object that describes the transfer of funds from one account to another nonce: 트랜젝션을 sender 가 얼만큼의 횟수로 보냈는지 To: 돈이 보내질 계좌의 주소 value: 보낼 ether의 amount gasPrice: transaction의 동작과정에 sender가 지불하고자하는 gas의 startGas/gaslimit: 해당 transaction이 소비할 수 있는 gas의 unit v/r/s: sender 의 비밀키에서 생성되는 값(one way process) * vrs 로부터 보안의 레벨이 결정됨 13. why did we wait? 백엔드 서버가 트랜젝션이 con..

History & What is Ethereum? , Interfacing with Ethereum Networks

[History of ethereum] 2008. 10.31 Bitcoin Blockchain : was a tool to store a list of monetary transactions between different people : enable financial transactions -> block chain technology to create far more complex applications -> didn' t want to just use Bitcoin to transfer money -> figure out some way to use these innovations to create much more advanced applications Smart Contract : absolut..