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Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: Quickdraw

Achievements

Achievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: Quickdraw

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@Shielded-Protocol

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MarvyNwaokobia/README.md

Marvy Nwaokobia

Full-stack & protocol engineer. I build secure systems end-to-end — smart contracts, cryptography, backends, and the apps on top of them.

I work across the stack: designing on-chain protocols and the cryptographic primitives underneath them, writing the backend services that support them, and building the frontends people actually use. I care most about correctness and security in systems handling money, identity, or private data.

What I work with

Languages — Solidity, Rust, TypeScript, Python, Cairo

Smart contracts & protocols — EVM (Solidity), Soroban (Rust/Stellar), Cairo (Starknet)

Cryptography — zero-knowledge proofs (Circom, Groth16), fully homomorphic encryption (Zama FHEVM), Merkle trees, secret sharing, commitment schemes

Full-stack — Next.js, React, Node.js, PostgreSQL

Data — Python, pandas, Jupyter

📫 GitHub · Twitter/X

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  1. Proov Proov Public

    Proov is a habit-tracking and personal accountability dApp built on Celo. Users create habits, run focus timers, log activities with AI verification, and build daily streaks. Friends connect to for…

    TypeScript 1

  2. bityield bityield Public

    BitYield is a Bitcoin yield dashboard that connects passive BTC holders to live yield protocols on Stacks in under two minutes, with no prior knowledge of Stacks, sBTC, or DeFi required.

    TypeScript

  3. Valor Valor Public

    A Web3 real-time 1v1 stat-duel SHOOTER built on GoodDollar + Celo. Players verify their identity via GoodDollar, choose a character class, battle bots and other players to earn XP and rank up, and …

    Solidity 1

  4. Prediction-Market Prediction-Market Public

    StarkBet is a trustless, privacy-preserving prediction market protocol built on Starknet. Users deposit Bitcoin via the Lightning Network, which is atomically swapped to STRK and shielded inside a …

    TypeScript

  5. banking-system banking-system Public

    A simple command-line banking system written in Rust. This project demonstrates basic banking operations such as account creation, login, balance management, and transaction handling, using an SQLi…

    Rust

  6. roampay roampay Public

    Solidity