OhMyDeveloper @OhMyDeveloperKr

MY Second Project!

CopyCoinGlobal @CopyCoinGlobal

7 days ago

MY Second Project!

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t is very difficult to develop a single person. I have to plan, develop, test, marketing, and respond to customers by myself... Still, I'm glad that the copy-coin.com I developed this time is very popular in Korea. I'm really busy. I don't have time to code..

Day 12 of #100DaysOfCode 🚀 Today was less about coding and more about growth: UI/UX improvements Marketing push Shot a YouTube intro video Promotion & outreach Not just building the product, but also building awareness. youtube.com/watch?v=1CfDQx…

Day 11 of #100DaysOfCode 🚀 Big milestone today — my project copy-coin.com is officially live! 🎉 ⚡ What it does: Copy trades from on-chain whales & Binance top traders in real time Track wallets, analyze positions, and mirror trades instantly Designed for traders…

Day 10 of #100DaysOfCode ✅ Deployed & Fixed: Production Deployment - Successfully deployed Rust app to Fly.io with persistent SQLite database Docker Optimization - Reduced build context from 15GB to 47MB with .dockerignore + SQLx offline builds Database…

Day 9 of #100DaysOfCode ✅ Implemented: 1. **Copy Trading System** - Real-time position mirroring with Bybit API integration 2. **Smart Trading Features** - Price offset (0-99%) for better entries + dynamic leverage control 3. **Position Management** - Live tracking with 20s…

Day 8 of #100DaysOfCode 🚀 Implemented trade history collection for Binance users. Built an algorithm that detects position changes in real time and generates trade records based on those deltas.

Day 7 of #100DaysOfCode ✅ Implemented: 1. Storing transaction history from Hyperliquid-filtered wallets 2. Social login with Google 3. Backend service to fetch Binance user positions (real-time positions work, trade history not yet) ⚠️ Challenge: Binance leaderboard…

Day 5 of #100DaysOfCode Refactored my project architecture from a single-server setup to a two-server model: Server A: Collects all on-chain wallet addresses (~300/sec now, scalable to ~10k/sec), filters by balance & PnL to identify pro traders. Server B: Stores the filtered…

Day 4 of #100DaysOfCode 🚀 Built an improved Ethereum whale & profitable trader tracker! ✅ Connected to multiple reliable public ETH nodes ✅ Analyzed real transaction data (block by block) ✅ Tracked wallets with $1M+ balance & 3%+ profit rate #Rust #Python #Ethereum

Day 3 of #100DaysOfCode 🚀 I’m building a Galaxy Watch trading app that connects to Bybit through my mobile app. Architecture: ⌚ Galaxy Watch ↔ 📱 Mobile App ↔ 🌐 Bybit (REST + WebSocket API)

Day 2 of #100DaysOfCode Built a real-time crypto trading analyzer with Rust! 🦀 ✅ Implemented WebSocket data streaming ✅ Added real-time trade statistics (no refresh needed!) ✅ Created filtered user tracking system ✅ Processed 6,600+ live trades in seconds Rust SQLite WS

A라는 사이트의 보안이 엄청 취약하다. 인증없이 누구나 Api서버로 이름/주민번호 두가지를 payload로 전송하면 Response가 아주 친절하게 반환된다. 대표적인 문제는 1. Rq 제한없음(브루드포스) 2. 인증 x 3. 토르 차단x 정부 사이트인데 이렇게 허술해도되나..? #모의해킹 #보안취약점 #해킹

1/100Day 오늘은 주말이라 게임을 함. 메이플스토리 사냥을 하던 도중, 매크로 개발을 해볼까 호기심이 생겼고, 메이플은 매크로를 0.1초 단위로 패킷검사해서 자동으로 거탐을 날리고 매크로를 잡는 구조로 보였다. 결론은 개발성공.!(거탐도 안날라옴) ^0^ #메이플스토리 #100DaysOfCode