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💼 What I Build

const expertise = {
  smartContracts: ["DeFi Protocols", "NFT Infrastructure", "Cross-chain Bridges"],
  fullStack: ["Complete dApp Solutions", "Web3 Integration Layers"],
  architecture: ["Blockchain-Backend Systems", "High-Performance APIs", "Microservices"]
};

Building production-ready blockchain solutions with emphasis on security auditing, gas optimization, and seamless user experiences. Specialized in bridging Web2 infrastructure with Web3 innovation.

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🔗 Blockchain Expertise _{(4+ years)}

Smart Contract Development EVM Ecosystem: Advanced Solidity patterns (Proxy, Diamond, ERC standards) Hardhat & Foundry testing frameworks OpenZeppelin & custom security implementations Solana Ecosystem: Anchor Framework & Rust development Program Derived Addresses (PDAs) Token programs & SPL standards

Domain Expertise 🏦 DeFi Protocols AMMs, Defuture, Yield Optimization Liquidity Mining, Staking Mechanisms 🎨 NFT Infrastructure ERC-721/1155 implementations NFT marketplace Royalty systems & marketplaces 🌉 Cross-Chain Solutions Bridge protocols & message passing Multi-chain deployment strategies

Tools & Frameworks:

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⚙️ Backend Engineering _{(Senior Level)}

Primary Stack RESTful & GraphQL APIs gRPC microservices Event-driven architecture

Secondary Languages Systems programming Performance-critical services Concurrent processing

Infrastructure Blockchain node integration Real-time data indexing Scalable message queues

Specialization: Designing high-throughput APIs that interface with blockchain nodes, indexing on-chain data, and building microservices for Web3 applications.

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💻 Frontend Development

Modern Frameworks

Web3 Integration

Focus Areas:

• 🎯 Intuitive dApp user experiences with wallet abstractions
• 📊 Real-time blockchain data visualization & dashboards
• 🔐 Secure wallet integration (MetaMask, Phantom, WalletConnect)
• ⚡ Performance optimization for blockchain queries

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🎯 Featured Projects

Project	Chain	Description
🏦 Holdstation Defuture		Decentralized perpetual futures trading platform built on Layer 2 networks, on-chain derivatives exchange allowing leveraged trading of perpetual contracts with up to 500x leverage. Account Abstraction (AA) Wallet. #1 Paymaster user on zkSync by early 2024
🎨 NFT City		Layer-2 NFT platform with lazy minting, royalty management, and auction mechanisms. NestJS backend + SvelteKit frontend.
🌉 Cross-Chain Bridge		Token bridge connecting EVM ecosystems with message-passing infrastructure.
🤖 Solana Smart Account		Programmable wallet on Solana leveraging SPL standards, session keys, and paymaster patterns for gasless transactions, and cross-chain intent execution.

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🔬 Currently Exploring

// Pushing the boundaries of blockchain technology
mapping(string => bool) currentFocus = {
    "Zero-Knowledge Proofs (ZK-SNARKs)": true,
    "Account Abstraction (ERC-4337)": true,
    "MEV Protection Strategies": true,
    "Modular Blockchain Architecture": true
};

• 🛡️ zkEVMs and privacy-preserving smart contracts
• 🔑 Smart account implementations & session keys
• 🏗️ Layer-2 scaling solutions (Optimistic & ZK Rollups)
• 🤖 AI-enhanced smart contract auditing tools

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🤝 Let's Connect

📧 Email: namthang30791@gmail.com | 🌐 Portfolio: My portfolio

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💡 Open to collaborations on DeFi, NFT, and Web3 infrastructure projects

"Code is law, but good code is constitution."