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Achievement: Pair ExtraordinaireAchievement: Pull SharkAchievement: Arctic Code Vault Contributor

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yan253319066/README.md

👋 Hi, I'm Neil Yan

Independent Founder & Full-Stack Developer (Web3 & AI)

Portfolio XPayLabs GetCiteFlow Telegram Email

🚀 What I Do

  • 17+ years full-stack development experience
  • 8 years deep in Web3 & blockchain (since 2018)
  • Building AI products — GetCiteFlow, an enterprise AI brand visibility (GEO) platform
  • Dual-track model: building my own products + delivering client projects

🛠 Tech Stack

Smart Contracts: Solidity | Vyper | Hardhat | Foundry | OpenZeppelin
Frontend:        React | Next.js | Vue | TypeScript | Tailwind CSS
Web3:            Ethers.js | viem | wagmi | 15+ chains (Ethereum, Polygon, Solana, Arbitrum...)
Backend:         Node.js | Java | Python | Express | Spring Boot
Database:        MySQL | PostgreSQL | Redis | Supabase
AI:              Google Gemini API | OpenAI | Alibaba Cloud Qwen
DevOps:          Vercel | Docker | AWS | Alibaba Cloud | Railway

📦 Products I've Built

Product Description Status
GetCiteFlow AI brand visibility scanner & GEO platform 🟢 Live
XPayLabs Self-hosted crypto payment gateway 🟢 Live
AI Quant Robot AI quantitative trading platform 🟢 Live
Crypto Earn USDT smart wealth management 🟢 Live
Perpetual Trading Perpetual futures trading (1-50x) 🟢 Live
Nex Exchange Hybrid exchange (CEX + DEX) 🟢 Live
Solaris RWA Real-world asset tokenization 🟢 Live
Prediction Market Decentralized prediction platform 🟢 Live
Blackhole Protocol Decentralized node network 🟢 Live

📝 Latest Blog Posts

🤝 Open to

  • Investment — I'm seeking early-stage investors who believe in the independent founder model
  • Strategic Partnerships — Wallet integration, exchange liquidity, protocol-level collaboration
  • Client Projects — Web3 DApp / DeFi / NFT / crypto payment / AI product development
  • AI Brand Visibility (GEO) — Enterprise services via GetCiteFlow

Portfolio

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  1. XPayLabs-node-sdk XPayLabs-node-sdk Public

    Self-hosted crypto payment gateway Node.js SDK. Accept USDT/USDC on TRON TRC20, EVM chains, and SUI with zero gateway fees.

    TypeScript 1

  2. XPayLabs-java-sdk XPayLabs-java-sdk Public

    Self-hosted crypto payment gateway Java/Spring Boot SDK. Non-custodial USDT/USDC payments on TRON, EVM chains, and SUI.

    Java 1

  3. XPayLabs-demo-vue XPayLabs-demo-vue Public

    Full e-commerce Vue 3 demo with XPay Labs crypto payment integration. Product catalog, cart, and USDT/USDC checkout.

    Vue 1

  4. XPayLabs-example-react XPayLabs-example-react Public

    React example app demonstrating XPay Labs self-hosted crypto payment gateway SDK integration with QR codes and webhooks.

    JavaScript 1

  5. XPayLabs-x402 XPayLabs-x402 Public

    Buyer SDK for HTTP 402 USDC micropayments — one-line pay() to access any x402-enabled API. XPay protocol client for EVM.

    TypeScript 1

  6. XPayLabs-docker XPayLabs-docker Public

    Self-hosted, non-custodial crypto payment gateway — multi-chain USDT/USDC payments with Docker Compose

    1