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Building secure smart contracts, DeFi protocols, and blockchain infrastructure !
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Building secure smart contracts, DeFi protocols, and blockchain infrastructure !
54 followers · 255 following

Achievements

Achievement: YOLOAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

Achievements

Achievement: YOLOAchievement: Pull Sharkx2Achievement: Arctic Code Vault Contributor

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meharab/README.md

Hi, I'm Meharab

Blockchain Engineer focused on smart contracts, DeFi systems, protocol design, blockchain infrastructure, and decentralized systems research.

I have almost 5 years of professional software engineering experience and nearly 4.5+ years of focused blockchain engineering experience across EVM ecosystems, Hyperledger Fabric, Substrate, Rust, Solidity, and blockchain backend infrastructure.

About Me

  • Building smart contracts, DeFi protocols, and blockchain infrastructure
  • Strong focus on Solidity, Rust, Go, and blockchain backend systems
  • Interested in protocol design, tokenomics, validator economics, MEV, cross-chain systems, and decentralized coordination
  • Experienced with both public blockchain ecosystems and private enterprise blockchain systems
  • Deeply interested in the intersection of blockchain, economics, infrastructure, and AI
  • Currently exploring advanced protocol engineering, Uniswap V4 Hooks, on-chain automation, Chainlink, and decentralized AI systems

Core Areas

Smart Contracts & DeFi

  • Solidity
  • Foundry
  • Hardhat
  • OpenZeppelin
  • ERC20 / ERC721 / ERC1155
  • DEXs and AMMs
  • Liquidity Provisioning
  • Tokenomics
  • Staking and Governance
  • Multisig Wallets
  • Uniswap V2 / V3 / V4 Hooks
  • Chainlink Integrations

Blockchain Infrastructure & Protocols

  • Rust
  • Substrate / Polkadot SDK
  • Hyperledger Fabric
  • Go
  • EVM Internals
  • Consensus Mechanisms
  • Validator Economics
  • Runtime Upgrades
  • Cross-Chain Systems
  • Bridges and Interoperability
  • Kubernetes-based Blockchain Deployments

Backend & DevOps

  • Node.js
  • JavaScript / TypeScript
  • Go REST APIs
  • Docker
  • Linux
  • Kubernetes
  • k3s / k3d
  • Helm
  • GitHub Actions
  • IPFS
  • The Graph

Selected Work

Argochain

A Substrate-based Layer-1 blockchain for decentralized AI workloads.

Worked across:

  • Runtime architecture
  • NPoS consensus
  • Validator economics
  • Slashing and nomination pools
  • EVM compatibility
  • Substrate ↔ EVM bridge
  • Governance and treasury
  • Tokenomics and halving
  • Runtime upgrades
  • Testnet and mainnet deployment

Autonomous Risk Sentinel Protocol

A Chainlink CRE-powered protocol that continuously monitors DeFi protocol risk and automatically triggers on-chain defensive actions.

Worked across:

  • Automated risk monitoring
  • Oracle-based trigger systems
  • On-chain defensive actions
  • Chainlink integrations
  • DeFi protocol risk analysis
  • Security-first protocol design

Hyperledger Fabric Supply Chain Platform

Designed and deployed a private blockchain infrastructure for a government-funded supply chain automation project covering fisheries, horticulture, and livestock sectors.

Worked across:

  • Hyperledger Fabric architecture
  • Go chaincodes
  • Fabric Gateway APIs
  • MSPs and certificate authorities
  • Peer and orderer topology
  • Chaincode-as-a-Service (CCaaS)
  • Kubernetes deployment with k3s
  • On-premises infrastructure

Current Focus

  • Protocol Engineering
  • Smart Contract Security
  • DeFi Infrastructure
  • Uniswap V4 Hooks
  • Rust and Substrate
  • Chainlink Automation
  • Cross-Chain Systems
  • Blockchain + AI
  • Zero-Knowledge Systems

Tech Stack

Languages: Solidity, Rust, Go, JavaScript, TypeScript, Python, Vyper, Bash, Move, Cadence, C/C++

Blockchain: Ethereum, Polygon, Substrate, Hyperledger Fabric, Polkadot, Chainlink, IPFS, The Graph

Frameworks & Libraries: Foundry, Hardhat, OpenZeppelin, Ethers.js, Web3.js, Fabric Gateway, Fabric Contract API

Infrastructure: Linux, Docker, Kubernetes, k3s, k3d, Helm

Philosophy

I approach blockchain engineering from a systems-design perspective.

I am interested not only in writing code, but also in understanding:

  • Economic incentives
  • Security assumptions
  • Failure modes
  • Trade-offs
  • Scalability constraints
  • Governance design
  • Long-term protocol sustainability

I enjoy solving difficult engineering problems that require first-principles reasoning, research, and deep technical exploration.

Open To

  • Smart Contract Engineering
  • Blockchain Infrastructure Engineering
  • DeFi / Protocol Engineering
  • Rust / Substrate Roles
  • Security-Focused Blockchain Work
  • Research-Driven Blockchain Projects
  • Open Source Collaboration

Connect

Pinned Loading

  1. Lottery-Game-Graph-Chainlink-VRF Lottery-Game-Graph-Chainlink-VRF Public

    On-Chain random winner gets all type Grambling game using THE GRAPH and Chainlink's-VRF on Polygon Network.This dapp is a representation of automatic execution of randomness without any central aut…

    JavaScript 3

  2. Metaverse-Slayer-Game Metaverse-Slayer-Game Public

    In this game user can mint his own character and can attack the boss. every hit cost 50 hp but boss hit back too. find your NFT character on open marketplace and you can also sell/buy/transfer your…

    JavaScript 3

  3. Poly-Domain-Service Poly-Domain-Service Public

    This dapp is built on the Polygon network. In this dapp users can mint their desirable name with ".dope" extension with additional information. Those minted NFTs can be bought/sold/create on open m…

    JavaScript 4 3

  4. DEX DEX Public

    Decentralize Exchange 💱 Protocol like AMM Uniswap. This dapp is a representation of a decentralized finance (Defi) system on blockchain. There is no central authorization in this market. So, everyt…

    JavaScript 4 1

  5. DAO DAO Public

    This dapp is built on the Ethereum network. In this dapp a group of people will join to execute a proposal in a decentralized manner. This dapp represents the democratic way to solve problems witho…

    JavaScript 3

  6. ICO ICO Public

    This dapp is built on the Ethereum network. In this dapp user can First mint ERC-20 token for 0.001 ether. But if the user have Crypto Dev NFT (ERC721) then they can clain 10 token for each for free.

    JavaScript 4