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Sammmmx/README.md

Samyak Narnaware

Smart Contract Security Engineer · Mumbai, India

Focused on EVM exploit research, vulnerability analysis, and secure protocol development. Proficient in Solidity and Rust with active experience in Cairo/Starknet.


Security Research

  • Exploited 30+ Ethernaut levels — multi-contract attack chains covering Reentrancy, Storage Collision, Delegatecall, TX Origin Phishing, and more. Each level documented with root-cause analysis and exploit contracts. → Ethernaut-Exploits

  • Contributed production-grade contracts to w3-kit/contracts — open-source EVM template library with Slither analysis and 60+ unit tests.


Smart Contract Engineering

Project Description Tests
MultiSig Wallet M-of-N consensus protocol, 5 transaction types, strict access controls 61
Nexus Auctions Decentralized auction protocol with front-running prevention 42
Artemis Staking ERC-20 staking with invariant testing and secure reward accounting 39
Subscription Protocol Recurring merchant payments with pause/resume and auto-renewal

Blockchain & Cairo Development

  • Rust Execution Layer — PoW blockchain from scratch. Merkle/State roots, Ed25519 signatures, difficulty adjustment, mempool, transaction pipeline.

  • Cairo/Starknet — Implementing contract primitives progressing towards Starknet testnet deployment.


Tech Stack

Solidity Rust Cairo Hardhat Foundry OpenZeppelin TypeScript JavaScript Slither Git


Education

  • MCA — Amity University (2024–2026)
  • BA — Mumbai University IDOL (2020–2023)

Certifications

  • Ethereum Blockchain Developer Bootcamp — Udemy
  • Blockchain A-Z — SuperDataScience x Udemy

Open to smart contract security internships and junior security engineer roles.

Pinned Loading

  1. Sammmmx Sammmmx Public

  2. Nexus-Auctions Nexus-Auctions Public

    An Decentralized Auction Application deployed on Sepolia Testnet that allows anyone to create auctions with owner's approval.

    JavaScript

  3. w3-kit/contracts w3-kit/contracts Public

    Smart contract templates for EVM & Solana

    TypeScript 2 4

  4. Open-Source-Contribution Open-Source-Contribution Public

    My Open-Source Contributions in Github

    Solidity

  5. rust-blockchain-core rust-blockchain-core Public

    Components implemented for a blockchain in Rust

    Rust

  6. Ethernaut-Exploits Ethernaut-Exploits Public

    Exploit scripts and root-cause analysis for 30+ Ethernaut levels covering reentrancy, storage collision, delegatecall, ECDSA and more

    Solidity