Skip to content
View hosein-ul's full-sized avatar
🎯
Focusing
🎯
Focusing

Block or report hosein-ul

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Content in all repositories owned by your account will be closed.
Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
hosein-ul/README.md

-Hosein

Web3 Systems Architect & Smart Contract Engineer

Typing SVG


🛰️ $ whoami

┌──(hosein㉿chain)-[~]
└─$ cat << 'EOF'
• Bio       : Web3 builder, systems architect & infrastructure writer.
• Domains   : Non-custodial payment rails, confidential EVM state (FHEVM), AI agent safety.
• Stack     : Solidity, Foundry, Zama FHEVM, Arbitrum Nitro, Circle Arc, Viem, Next.js.
• Mission   : Bringing zero-leakage financial privacy & autonomous payment layers to crypto.
EOF

📖 About Me & Engineering Focus

I am an independent Web3 systems architect and smart contract developer, active on-chain since 2021. My work is focused on the architecture of non-custodial financial rails, confidential state execution via Fully Homomorphic Encryption (FHEVM), and high-throughput L2 exchange infrastructure.

Rather than relying on centralized intermediaries or custodial escrows, I design decentralized protocols where liquidity moves directly from payer to merchant, where smart contracts compute over fully encrypted balances without revealing private financial data to the mempool, and where autonomous AI agents can safely simulate transactions before committing capital on-chain.

  • Non-Custodial Stablecoin Rails: Peer-to-merchant payment rails where every transaction is assigned a deterministic, single-use address and settles straight to the recipient's wallet with zero escrow custody. Multi-token settlement (native USDC and EURC) deployed on low-latency networks like Circle Arc.
  • Confidential On-Chain Finance (FHEVM & ERC-7984): Application-level cryptographic privacy on Ethereum using Zama's Fully Homomorphic Encryption Virtual Machine and the ERC-7984 confidential token standard. Enables contracts to perform arithmetic and balance transfers directly on encrypted ciphertexts (euint64), preserving total user privacy without sacrificing EVM composability.
  • High-Throughput L2 DEX Infrastructure: Production-grade decentralized trading platforms engineered on the Arbitrum Nitro L2 stack (such as Optima DEX on Robinhood Chain Mainnet). Combines concentrated liquidity (Uniswap V3), RFQ off-chain quote settlement for real-world equity tokens, and sub-second execution with Next.js 16 and Viem.
  • Autonomous Agent Safety & x402 Micropayments: Pre-execution bytecode simulation engines for autonomous AI agents handling on-chain treasuries. Calculates algorithmic 0–100 transaction risk scores before any private key signs, paired with HTTP 402 (x402) micropayment rails for agent-to-agent (A2A) commerce.

🛠️ Tech Stack & Arsenal

Smart Contracts & Web3 Infrastructure

Systems, Application & AI


Skill Icons

🚀 Flagship Deployments & Research

Project Description Stack / Category
🟢 Optima DEX Ultra-fast L2 DEX on Robinhood Chain Mainnet (Nitro L2). Integrates Uniswap V3, RFQ, and Pons launchpad. Arbitrum L2 Viem Next.js
⚡ Plinth Non-custodial stablecoin gateway with dedicated payment addresses. Direct merchant settlement for USDC/EURC on Arc. Circle Arc Solidity USDC
🛡️ ShadowLine Privacy-first confidential asset shielding powered by Zama FHEVM and the ERC-7984 confidential token standard. Zama FHEVM ERC-7984 Privacy
🤖 Pharos Tx Guardrail Pre-execution safety oracle for AI agents. Simulates bytecode execution and delivers 0–100 risk scoring before signing. Agent Safety Simulations TypeScript
🔮 Truth-Market Fully homomorphic encrypted prediction markets on FHEVM. Place wagers without leaking positions or odds on-chain. FHEVM DeFi Solidity
🌐 AgentOS Multi-tenant agent service layer for marketplace execution, supporting A2A workflows and x402 paid APIs. x402 A2A Micro-payments

📊 Realtime On-Chain & GitHub Metrics

GitHub Stats Streak Stats
Top Languages

🛰️ Connect & Inquiries

X (Twitter) Telegram GitHub Email

Pinned Loading

  1. ShadowLine ShadowLine Public

    Privacy-first asset shielding protocol built on Zama FHEVM. Confidentially shield, transfer, and unshield ERC-20 tokens via ERC-7984.

    TypeScript

  2. x-hooks-protocol x-hooks-protocol Public

    Solidity 1

  3. design design Public

  4. jain jain Public

    Real email infrastructure for AI agents

    TypeScript

  5. Truth-Market Truth-Market Public

    Bet on the truth. Without showing your hand. built on Zama fhevm protocol.

    TypeScript