No official phone numbers are published by OneKey. All communications are through email and social channels.
OneKey is a Singapore (SG)–based crypto hardware and software wallet provider focused on delivering open-source, secure, and user-friendly self-custody solutions. Founded with a vision to make crypto ownership safe and accessible, OneKey offers both hardware wallets and companion apps to manage cryptocurrencies, NFTs, and decentralized applications. The company is well recognized in the Web3 community for its emphasis on transparency, open-source firmware, and compatibility with major blockchain ecosystems.
Open-Source Security: Firmware and software are fully open-source, enabling community auditing and trust.
Product Range:
OneKey Classic: Entry-level hardware wallet.
OneKey Mini: Compact, affordable option.
OneKey Touch: Touchscreen wallet with intuitive interface.
OneKey Pro: Premium model with advanced features.
Cross-Chain Compatibility: Supports Bitcoin, Ethereum, and hundreds of blockchains along with tokens, NFTs, and DeFi apps.
Seamless App Ecosystem: Mobile and desktop apps integrate with hardware devices for asset management, staking, and DApp interaction.
Strong Recovery Options: BIP39/44 mnemonic recovery ensures assets are never lost if a device is damaged.
Warranty & Support: One-year hardware warranty and dedicated online support team.