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Harshdev098/README.md

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Hi, I'm Harsh πŸ‘‹

Bitcoin / Rust Developer

I build open-source Bitcoin and financial infrastructure, with a focus on Rust, Fedimint, ecash, cryptographic protocols, and decentralized payment systems.

Currently working on the Fedimint Escrow Module, including escrow protocol design, Rust implementation, federation integration, and FROST-based multi-arbiter infrastructure.

I'm interested in contributing to Bitcoin, Lightning, ecash, Nostr, and open-source protocol infrastructure.

GitHub Β· X Β· LinkedIn Β· Email

πŸ§‘β€πŸ’» Tech Stacks

JavaScript Solidity Rust Typescript

HTML5 CSS3 MySQL React Docker Bitcoin

NodeJS WebRTC Markdown Git GraphQL

🟠 What I Work On

  • Bitcoin & Bitcoin-adjacent infrastructure
  • Fedimint & ecash
  • Rust systems and protocol development
  • Bitcoin payment infrastructure
  • Nostr integrations
  • Wallets & SDKs
  • Open-source infrastructure

🚧 Current Work

Fedimint Escrow Module

A protocol-level escrow module for Fedimint enabling funds to be locked under a contract between a funder, recipient and arbiter(s).

Current work includes:

  • Escrow contract and state-machine design
  • Cryptographic contract binding
  • Buyer release and arbiter-mediated resolution
  • Timeout-based refund flow
  • Federation-side validation
  • Rust module implementation
  • Client / CLI integration
  • FROST-based multi-arbiter infrastructure
  • Distributed Key Generation (DKG)

Technologies: Rust Β· Fedimint Β· Bitcoin Β· Schnorr signatures Β· FROST Β· DKG Β· Iroh


πŸš€ Featured Projects

πŸ” Fedimint Escrow Module

Protocol-level escrow infrastructure built on Fedimint.

Repository Β· Design


🟠 Haze Wallet

A web-based Fedimint wallet built during Summer of Bitcoin 2025. Worked on Fedimint web SDK integration, wallet functionality, WASM/client infrastructure and Nostr Wallet Connect integration.

Technologies: TypeScript Β· React Β· Rust Β· Fedimint Β· WASM Β· Nostr

Repository


πŸ’΅ Paper Ecash

A web application for issuing printable physical ecash notes backed by a Fedimint federation. Worked on the application workflow, note generation, spending UX, SDK integration and end-to-end testing.

Technologies: TypeScript Β· React Β· Fedimint Β· Playwright

Repository


πŸ… Achievements & Recognitions

  • πŸ† Have successfully completed my Summer of Bitcoin internship at Fedimint πŸ”—Link
  • πŸŽ–οΈ Finalist - HackSwift Hackathon,HackWeb3Conf Hackathon
  • πŸ† Gold Badge - C4GT Community πŸ”—Link
  • πŸš€ Completed Hacktoberfest & 24PullRequests
  • πŸ‘¨β€πŸ’» Selected as a Project Admin - GSSoC

Github Stats

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πŸŽ— Holopin Badges

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πŸ†Github Trophies

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🀝🏻 Connect with Me

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  1. Research-Nexas/Unify Research-Nexas/Unify Public

    A web application that seamlessly connects students and researchers with stakeholders in a collaborative research ecosystem.

    HTML 44 88

  2. THubSpace THubSpace Public

    A web application for team collaboration. Implementing WebRTC,WebSocket and version control

    JavaScript 1

  3. Supply-Chain Supply-Chain Public

    JavaScript 1

  4. haze-wallet haze-wallet Public

    Haze Wallet, a fedimint web wallet using Chaumian Ecash to custody and transact bitcoin privately

    TypeScript 5 3

  5. Paper-Ecash Paper-Ecash Public

    A Web-Based Physical Ecash Issuance System for Fedimint

    TypeScript 1