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Hi 👋, I'm Guillaume

A Web/Blockchain developer from Paris




  • 🔭 I’m currently working on MetaMask

  • 🌱 I’m currently learning Solidity, Smart Contracts, Electron

  • 👯 I’m looking to collaborate on Ethereum

  • 👨‍💻 All of my projects are available at

  • 💬 Ask me about Typescript, Node, React, Ethers.js, C

  • 📫 How to reach me

  • Fun fact I studied at 42 - A school with no teachers

Connect with me:

guiiiiiiillaume guillaumerx

Languages and Tools:

arduino aws babel bash c css3 docker electron express gatsby git html5 javascript jest linux mongodb mysql nginx nodejs postgresql react typescript webpack







  1. 🌐 🔌 The MetaMask browser extension enables browsing Ethereum blockchain enabled websites

    JavaScript 8.3k 3.2k

  2. MyCrypto is an open-source tool that allows you to manage your Ethereum accounts privately and securely. Developed by and for the community since 2015, we’re focused on building awesome products th…

    TypeScript 1.2k 657

  3. Monorepo for Snaps dependencies.

    TypeScript 45 22

  4. Collection of platform-agnostic modules for creating secure data models for cryptocurrency wallets

    TypeScript 117 93

524 contributions in the last year

Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun Mon Wed Fri
Activity overview
Contributed to MetaMask/metamask-extension, MyCryptoHQ/MyCrypto, MyCryptoHQ/wallet-list and 14 other repositories

Contribution activity

July 2022

2 contributions in private repositories Jul 1

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