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abubakar-tq/README.md

Hi, I’m Abubakar 👋

Smart Contract Engineer focused on designing, testing, and stress-testing EVM smart contracts.

I primarily work with Solidity and Foundry, building protocol-level systems with a strong emphasis on correctness, testing depth, and security assumptions. My interests include DeFi primitives, account abstraction, wallet infrastructure, and cross-chain messaging.

🧠 What I Work On

  • Smart contract wallets (ERC-4337, modular architectures, minimal proxies)
  • DeFi protocols (stablecoins, LP farming, liquidation & health-factor mechanics)
  • Protocol testing (unit, fuzz, and invariant testing with Foundry)
  • Chainlink integrations (VRF, Automation, CCIP)
  • Security-minded development and failure-mode analysis

🚀 Selected Projects

  • TREZO Wallet
    ERC-4337 smart contract wallet with a modular architecture, upgradeable instances (EIP-1167), and on-chain social recovery.

  • Decentralized Stablecoin Protocol
    Overcollateralized stablecoin using Chainlink price feeds, with extensive unit, fuzz, and invariant testing to enforce solvency guarantees.

  • Cross-Chain Rebase Token (CCIP)
    Interest-accruing ERC20 minted via an ETH vault, with a custom Chainlink CCIP TokenPool preserving per-user interest rates across chains.

  • Chainlink VRF Raffle Platform
    Factory-based raffle system using Chainlink VRF v2.5 and Automation, validated with deterministic Foundry tests.

🧪 Engineering Philosophy

I treat smart contracts as financial infrastructure, not application code.

That means:

  • Designing with explicit invariants and safety constraints
  • Writing tests that attempt to break assumptions
  • Preferring simple, auditable designs over clever abstractions

🛠️ Tech Stack

  • Blockchain: Solidity, EVM, ERC-20, ERC-721, ERC-4337, OpenZeppelin
  • Tooling: Foundry (forge, cast), Chainlink, viem, wagmi
  • Frontend: React, Next.js, React Native
  • Backend: Node.js, Supabase

📫 Get in Touch

Pinned Loading

  1. Trezo Trezo Public

    ERC-4337 smart contract wallet focused on UX and security: passkeys, account abstraction, modular architecture, and on-chain social recovery.

    TypeScript

  2. DEFI-StableCoin DEFI-StableCoin Public

    An overcollateralized stablecoin using Chainlink price oracles. Includes Foundry-based unit, fuzz, and invariant test suites, mocks for local runs, and deployment scripts for local and Sepolia netw…

    Solidity

  3. Raffle Raffle Public

    Full-stack Chainlink VRF v2.5 raffle dApp with multi-raffle factory, Automation-triggered draws, and deterministic Foundry tests.

    JavaScript

  4. Cross-Chain-Rebase-Token-CCIP Cross-Chain-Rebase-Token-CCIP Public

    Interest-accruing rebase ERC20 minted by an ETH vault, with a custom Chainlink CCIP TokenPool that preserves each user’s interest rate during cross-chain bridging.

    Solidity

  5. LP-Farming LP-Farming Public

    LP farming: deposit two ERC20s, mint LP tokens, earn per-block rewards + Foundry tests

    Solidity

  6. MintLab MintLab Public

    A full-stack custom NFT minter: ERC‑721 contract built with Foundry + a Next.js UI that uploads metadata to IPFS (Pinata) and mints on chain.

    JavaScript