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A crypto wallet & gateway to blockchain apps

Start exploring blockchain applications in seconds. Trusted by over 30 million users worldwide.

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Illustration of a hand holding a mobile device with other mobile devices swirling around it.

Buy, store, send and swap tokens

Available as a browser extension and as a mobile app, Cryptophase equips you with a key vault, secure login, token wallet, and token exchange—everything you need to manage your digital assets.

Illustration of a female user looking at a mobile device with decentralized apps swirling around her.

Explore blockchain apps

Byupter provides the simplest yet most secure way to connect to blockchain-based applications. You are always in control when interacting on the new decentralized web.

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Own your data

Byupter generates passwords and keys on your device, so only you have access to your accounts and data. You always choose what to share and what to keep private.

Get started

Download Byupter Today

Your key to blockchain applications

Byupter is the leading self-custodial wallet. The safe and simple way to access blockchain applications and web3. Trusted by millions of users worldwide.

Aave

Lending & Borrowing

MakerDAO

Decentralized Stablecoin

OpenSea

NFT Marketplace

Axie Infinity

Play to Earn Game

Compound

DeFi Protocol

Gitcoin

Open Source Funding

Rarible

NFT Platform

Uniswap

Decentralized Exchange

Curve

Stablecoin Exchange

SushiSwap

DeFi Platform

PancakeSwap

BSC DEX

Yearn Finance

Yield Farming

Aave Protocol

Aave is a decentralized non-custodial liquidity protocol where users can participate as depositors or borrowers.

Key Features:

  • Lend crypto assets to earn interest
  • Borrow assets with collateral
  • Flash loans for advanced DeFi strategies
  • Rate switching between stable and variable
Visit Aave

Uniswap Protocol

Uniswap is a decentralized exchange protocol that allows users to swap ERC-20 tokens directly from their wallets.

Key Features:

  • Swap tokens without intermediaries
  • Provide liquidity to earn fees
  • Automated market maker (AMM)
  • Permissionless and trustless
Visit Uniswap

OpenSea

OpenSea is the world's largest NFT marketplace where you can discover, collect, and sell NFTs.

Key Features:

  • Buy and sell NFTs
  • Create your own NFT collections
  • Discover trending digital art
  • Connect with creators and collectors
Visit OpenSea

Compound Protocol

Compound is an algorithmic, autonomous interest rate protocol built for developers to unlock financial applications.

Key Features:

  • Earn interest on crypto deposits
  • Borrow against your assets
  • Algorithmic interest rates
  • Governance token (COMP)
Visit Compound

Developers

Byupter is powered by a strong community from across the globe. Interested in contributing? Find out how and what to contribute using the resources below.

Open Issues Open Bounties Documentation Contributing Guidelines

🐛 Open Issues

Join our community of developers by contributing to open issues on GitHub. Help make Byupter better for millions of users worldwide.

Current Priority Areas

🔧 Bug Fixes

Help resolve reported bugs and improve wallet stability

✨ Feature Requests

Implement new features requested by the community

📱 Mobile Improvements

Enhance the mobile app experience

🔒 Security Enhancements

Strengthen wallet security and privacy features

How to Get Started

  • Browse open issues labeled "good first issue" for beginners
  • Comment on issues you're interested in working on
  • Fork the repository and create a feature branch
  • Submit a pull request with your solution
View Open Issues Repository

💰 Open Bounties

Earn rewards for contributing to Byupter development through our bounty program on Gitcoin. Get paid for your open source contributions!

Available Bounty Types

💎 High Priority

$500 - $2000+ for critical features and major improvements

🎯 Medium Priority

$100 - $500 for feature enhancements and bug fixes

🌱 Beginner Friendly

$50 - $200 for documentation and small improvements

🏆 Hackathons

Special bounties during hackathon events

How Bounties Work

  • Browse available bounties on Gitcoin
  • Apply to work on bounties that match your skills
  • Submit your work within the specified timeframe
  • Get paid in cryptocurrency upon approval

Note: Bounty amounts vary based on complexity and priority. All payments are made in ETH or other supported cryptocurrencies.

View Bounties How It Works

📚 Documentation

Comprehensive developer documentation to help you build on Byupter, integrate with our APIs, and contribute to the ecosystem.

Documentation Sections

🚀 Getting Started

Quick setup guide and basic integration examples

🔌 API Reference

Complete API documentation with code examples

🏗️ Architecture

Deep dive into Byupter's technical architecture

🛠️ Development Guide

Best practices for developing with Byupter

Popular Topics

  • Connecting to Byupter from your dApp
  • Handling transactions and signatures
  • Network switching and custom RPC
  • Security best practices
  • Testing and debugging

Community Resources

Our documentation is community-driven. Help improve it by:

  • Reporting issues or outdated information
  • Contributing examples and tutorials
  • Translating docs to other languages
View Docs Contribute

🤝 Contributing Guidelines

Welcome to the Byupter community! We're excited to have you contribute. Please read our guidelines to ensure a smooth collaboration process.

Before You Start

📋 Code of Conduct

Read and follow our community guidelines

📝 CLA Agreement

Sign the Contributor License Agreement

🔍 Issue First

Always check for existing issues before starting

💬 Discuss

Join our Discord or GitHub Discussions

Development Workflow

  • Fork & Clone: Fork the repository and clone it locally
  • Branch: Create a feature branch from the main branch
  • Development: Make your changes following our coding standards
  • Testing: Run all tests and add new ones for your changes
  • Commit: Use conventional commit messages
  • Pull Request: Create a detailed PR with description

Coding Standards

  • Follow ESLint and Prettier configurations
  • Write meaningful variable and function names
  • Add comments for complex logic
  • Ensure backward compatibility
  • Update documentation when needed

Types of Contributions Welcome

  • 🐛 Bug fixes and patches
  • ✨ New features and enhancements
  • 📚 Documentation improvements
  • 🧪 Test coverage improvements
  • 🌍 Translations and localization
  • 🎨 UI/UX improvements
Full Guidelines Join Discord

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