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Gem Wallet is an open-source mobile cryptocurrency wallet available on Android and iOS, designed to provide users with secure, private, and self-custodial management of digital assets. It supports multiple blockchains including Ethereum, Binance Smart Chain, Polygon, Avalanche, and Solana, enabling users to interact with a broad range of decentralized applications (dApps) and DeFi protocols. The wallet integrates features such as swaps, staking, fiat on/off ramps, and WalletConnect for seamless dApp connectivity, all wrapped in a user-friendly interface built with Kotlin/Compose for Android and a Rust-based core library for cryptographic security.

The wallet emphasizes privacy and security through advanced encryption and secure key management, giving users exclusive control over their funds without relying on third-party custody. Its open-source nature and community ownership align with Web3 principles, encouraging transparency and collaborative development. Developers can contribute to the project or customize the wallet by leveraging the modular Rust core and Android codebase, with detailed setup instructions and active community support available via Discord, Telegram, and GitHub.

Gem Wallet differentiates itself by combining multi-chain support with integrated DeFi features like staking and swaps, plus real-time market data and customizable notifications. Its architecture balances performance and security, making it suitable for both end users and developers seeking a robust wallet foundation. Getting started involves installing Android Studio, setting up Rust and NDK tools, and configuring GitHub tokens for package access, with comprehensive documentation and community channels to assist onboarding.