checkra1n — Onchain Developer & AI Architect
Location: Ukraine | Paradigm: Vibe Coding | Status: ALWAYS_BUILDING
Stats
- 15+ years in crypto (since 2011)
- Languages: Python, TypeScript, Swift, Rust, Solidity
- Platforms: Web Apps, Browser Extensions, Telegram Bots, CLI, AI Agents
Backstory
I'm a crypto native to the core with 15+ years in the game. Started in 2011 mining Bitcoin, survived every cycle. In 2025 I transformed my approach by embracing AI-assisted development. Today I build autonomous trading bots, AI audit pipelines, and onchain automation systems.
Timeline
Skills
- DeFi / Web3: 92/100
- AI Integration: 78/100
- Automation: 88/100
- Trading Bots: 75/100
Platforms: Web Apps, Browser Extensions, Desktop (Mac), Telegram Bots, CLI Tools, AI Agents
Frameworks: React, Next.js, Scaffold-ETH, Vite, FastAPI, Tauri
Projects
- SENTINEL — Self-Funding Security Oracle on X Layer. Monitors tokens, publishes on-chain verdicts. (GitHub)
- DOSSIER — On-chain wallet intelligence agent. 14 commands — analytics, token actions, monitoring. (GitHub)
- XBIRD — Twitter/X integration system + MCP skill for AI agents. Core API for Claude Code, Cursor, Windsurf. (GitHub)
- FANOVO — Uniswap v4 hooks-based prediction market and fantasy sports protocol on X Layer. (GitHub)
- POLYMARKET BOT — Rust-based Polymarket trading suite. Arbitrage bot + hedged pairs with mathematical risk controls.
- CHECKRA1N-AUDIT — AI-powered smart contract security auditor. Slither + Aderyn + LLM reasoning.
- MEXC FUTURES BOT — Automated MEXC futures trading bot with 200x leverage. Python-based position management.
- CLAUDE BRAIN — Simple Claude brain implementation in Rust. Memory and context management for AI agents.
Mission
- Architect autonomous AI agents that build, audit, and trade onchain
- Interests: MEV, intent-based architectures, AI-driven security research
- Business: SaaS automation, smart contract audits, AI consulting
- Networking: Open to collaborations on Web3 + AI intersection
Links
GITHUB | TELEGRAM | FARCASTER | TWITTER / X
FAQ
What technologies do you work with?
Solidity, Rust, TypeScript. Full-stack onchain development — smart contracts, trading bots, AI pipelines, and onchain automation systems.
Are you available for freelance or contract work?
Always open to interesting collaborations. Contact via Farcaster, Telegram, or GitHub.
What is your experience with crypto and blockchain?
15+ years in the space. Built Uniswap V4 hooks, autonomous trading bots, AI smart contract audit pipelines, and onchain automation infrastructure.
Do you speak English or Ukrainian?
Both. Bilingual developer — blog content is published in English and Ukrainian.
What projects are shown in the portfolio?
Missions range from Polymarket hedged-pairs bots to Uniswap V4 hook protocols, MEXC futures bots, AI audit tools, and full CI/CD blog pipelines.
Latest Blog Posts
- Three Bugs That Nearly Killed Our Web3 Hackathon Project — CORS, commit-reveal race conditions, and Map size exceeded — surviving a 10-day hackathon on X Layer with Uniswap V4 hooks.
- Debugging a 200x Leverage Bot When the Numbers Do Not Add Up — How I spent 3 days debugging PnL discrepancies in a MEXC futures bot. Real money, real trades, and a single wrong assumption that broke everything.
- I Built a 7-Stage Blog Pipeline with Claude Code — Build a 7-stage blog pipeline with Claude Code skills. From topic to published post with translations, SEO, and Telegram announcements.
- Claude as Copilot for Live Trading — How I use Claude Code as a copilot for live trading bot development. Real-time debugging, architecture decisions, and shipping faster.
- Vibe Coding — Vibe coding is when the code flows through you. No planning, no architecture, just pure creation.