OneKey

• Name: OneKey
• URL: https://onekey.so/
• Category: hardware wallet / wallet control plane / hardware-backed signing and offline-signing infrastructure
• Tags: bitcoin-ecosystem ethereum-ecosystem solana-ecosystem
• Summary: OneKey is a multichain hardware-wallet stack with the usual companion-app sprawl: devices, wallet software, transport libraries, provider APIs, and QR signing. Useful note, but keep it in proportion. This is signing infrastructure, not a new custody model.
• What it does:
  • Sells hardware devices and backup accessories for self-custody, including battery-powered and battery-free variants plus a BTC-only edition
  • Operates software wallet surfaces across desktop, mobile, browser extension, and web app contexts
  • Publishes a developer portal for hardware transport integrations over USB and BLE, dApp provider APIs, and wallet-connection UI kits
  • Supports offline signing flows using UR-encoded QR exchanges for Ethereum/EVM, Bitcoin PSBT, Solana, and Tron transactions
  • Maintains open-source app and firmware repositories and positions the product as non-custodial, with private keys and recovery seeds kept out of OneKey custody
• Key claims:
  • The official homepage positions OneKey as a hardware wallet and crypto DeFi wallet with multiple device SKUs, backup products, and broad asset support
  • The GitHub organization states that OneKey will not store private keys or recovery seeds and that its hardware and software are open source
  • The developer portal frames OneKey as infrastructure for integrating secure hardware-backed signing into dApps, wallets, and blockchain stacks
  • The Provider API docs describe a unified interface for requesting accounts, signing, and sending transactions across EVM, Bitcoin, Solana, Cosmos, Move, and other ecosystems
  • The air-gap docs show a device-stays-offline signing flow using animated QR payloads and signature exchange, with example implementations in the public hardware SDK repository
• Whitepaper: No canonical OneKey whitepaper or litepaper surfaced in this pass. The clearest current source of truth is the official developer docs, GitHub organization and repositories, and product site; see ../whitepapers/onekey-primary-sources-2026-04-28.md.
• Sources:
  • https://onekey.so/
  • https://developer.onekey.so/en/
  • https://developer.onekey.so/en/connect-to-software/provider/
  • https://developer.onekey.so/en/air-gap/
  • https://github.com/OneKeyHQ
  • https://raw.githubusercontent.com/OneKeyHQ/app-monorepo/refs/heads/onekey/README.md

Internal linkages

• Best upward reads: foundation-devices, coinkite, and sparrow-wallet.

• OneKey is mostly a broad multichain signer stack. Compare it upward to stronger hardware roots and to software-heavy operator surfaces, not sideways to every wallet vendor with a browser extension.

• Last reviewed: 2026-05-27 UTC