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About
UnionKey App is the official companion application for the UnionKey hardware wallet.
It is designed to help users securely manage digital assets with a strong focus on self-custody and security.
Key Features:
Secure Self-Custody
- Private keys are generated and stored securely on the hardware device
- The app never has access to users’ private keys
- Users maintain full control over their assets at all times
Hardware-Based Security
- Transactions are signed within the hardware wallet
- Sensitive operations are isolated from the mobile environment
- Designed to reduce security risks and protect user assets
Asset Management
- View and manage multi-chain digital assets
- Send and receive supported cryptocurrencies
- Track balances and transaction history
Web3 Access
- Includes a browser that allows users to access third-party websites
- The app does not provide or operate any cryptocurrency exchange services
- All external services are provided by independent third parties
UnionKey App is built to provide a secure and simple way to manage digital assets using a hardware wallet.
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What's New in UnionKey Wallet
4.6.0
April 19, 2026


