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2019ethereum's Introduction

Community of Democracy(2019Summer)

설명

이더리움 스마트 컨트랙트 기반의 DApp으로, 커뮤니티 참여자들은 토큰을 구매하여 원하는 주제의 투표를 게시할 수 있고, 모든 참여자는 1회의 투표가 가능하고, 투표 후 게시판에 자신의 의견을 개진할 수 있다. 참여자들은 1회에 한해 Up, Down을 할 수 있고 이를 통해 게시글을 평가할 수 있다.

장점

블록체인의 장점인 투명성, 위조 불가능을 이용하기 위해 모든 투표와 게시글 내용, Up, Down은 블록체인에 저장되고 이는 변경될 수 없다. 누가 투표를 하고 Up, Down을 눌렀는지 기록이 되므로 중복 투표, Up, Down은 불가능하고 누구나 블록체인에 접속해서 이를 확인할 수 있다.

사용 기술

Server: Node.js, mysql, Web3, ganache

Client: Html, JS

Contract: Solidity

참고 자료

https://kamang-it.tistory.com/entry/NodeJSSocketIOSocketIO-%EB%A9%80%ED%8B%B0-%ED%86%B5%EC%8B%A0-%EB%8B%A4%EC%A4%91-%ED%86%B5%EC%8B%A0-serverclient-2?category=746442 https://victorydntmd.tistory.com/48 https://www.csvjson.com/json_beautifier https://www.webdesignrankings.com/resources/lolcolors/ https://poiemaweb.com/nodejs-mysql

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