About
I design and build secure, production-ready smart contract systems for DeFi, NFT, and DAO protocols. With expertise spanning smart contract development, security auditing, and technical advisory, I help Web3 teams transform complex blockchain concepts into scalable, maintainable solutions.
Core Expertise
Smart Contract Development
- EVM & Solana smart contracts
- DeFi protocol architecture
- NFT & DAO systems
- Security-first design patterns
Technical Advisory
- Protocol architecture & strategy
- Security auditing & best practices
- Full-stack Web3 development
- MVP to mainnet deployment
Tech Stack
Languages
SolidityRustPythonTypeScript
Frameworks & Tools
HardhatAnchorFastAPINestJSNext.js
Blockchain Ecosystem
EthereumSolanaAlgorandArbitrumOptimismPolygonBaseAvalancheBSC Chain
Engineering Principles
🔒
Security First
Threat modeling and comprehensive testing before deployment
⚡
Gas Optimization
Efficient, cost-effective smart contract design
📋
Audit-Ready Code
Clean, documented, and maintainable architecture
🎯
Product-Aware
Technical decisions aligned with business objectives
Get in Touch
Let's discuss how I can help bring your Web3 vision to life.
xupidong680@gmail.com
GitHub
LinkedIn