# KeepKey

> Take control of your crypto

KeepKey is a hardware wallet company that keeps private keys offline, requiring physical confirmation for every transaction. It serves individual holders and enterprises seeking self-custody.

KeepKey is a company that makes an open-source hardware wallet for storing cryptocurrency private keys offline. Users can store, send, and receive digital assets across a range of blockchains through desktop, browser extension, and mobile applications. The device is aimed at individuals who want direct custody of their holdings without relying on a third party to hold or access their keys, as well as organizations that manage larger treasuries.

The wallet addresses the risk of online key exposure by generating and storing private keys on a dedicated device that never connects to the internet. Every transaction is displayed on the device screen and must be confirmed with a physical button press before it executes, so a compromised computer cannot move funds without that manual approval. Its firmware and hardware schematics are published for independent review, and it is built from standard, commodity components rather than proprietary parts.

Beyond the core hardware wallet, the KeepKey lineup includes companion desktop, browser extension, and mobile apps for portfolio management, along with built-in decentralized swap functionality that routes trades across multiple protocols without a custodial intermediary. It supports native handling of several blockchains alongside broad compatibility with EVM-based tokens. Individual holders use the product for personal self-custody, while an enterprise offering targets DAOs, exchanges, and asset custodians seeking institutional key management and governance tooling.

- Type: Company
- Sector: Custody and Wallets
- Status: Active
- Founded: 2014-01-01
- Profile: https://thegrid.id/profiles/keepkey

## Products

- [KeepKey](https://thegrid.id/profiles/keepkey): KeepKey is a hardware wallet for offline private key storage and transaction signing. Keys are generated and held on the device during setup and never leave it, with every transaction reviewed on the built-in display and confirmed with a physical button before signing. The firmware and hardware schematics are open source with reproducible builds, allowing independent verification of the code and design running on the device. It natively signs Bitcoin and related forks, Ethereum and other EVM chains, Ripple, Cosmos, THORChain, Maya Protocol, Solana, TRON, and TON, and supports built-in decentralized cross-chain swaps sourced from multiple liquidity protocols. (Hardware Wallet, Live, Main Product)
- [KeepKey Vault Desktop](https://thegrid.id/profiles/keepkey): KeepKey Vault Desktop is a desktop application for KeepKey hardware wallet management on macOS, Windows, and Linux. It provides multi-chain portfolio tracking across multiple networks, device setup, firmware updates, PIN management, BIP-39 passphrase support, and cross-chain swaps via THORChain and Mayachain. A local REST API on port 1646 enables a companion Browser Extension and third-party applications to communicate with the connected hardware device. The Browser Extension uses the standard window.ethereum interface to connect the hardware wallet to EVM-compatible decentralized applications. A TypeScript SDK (keepkey-vault-sdk) is available on npm for developers building integrations. (Wallet, Live)
- [KeepKey Mobile](https://thegrid.id/profiles/keepkey): KeepKey Mobile is a read-only companion application for the KeepKey hardware wallet, available on iOS. It displays portfolio balances across supported chains without storing private keys on the mobile device. Users pair the application with their KeepKey through a QR code workflow to load wallet addresses. Android support is listed as forthcoming. (Wallet, Live)
- [KeepKey Browser Extension](https://thegrid.id/profiles/keepkey): KeepKey Browser Extension is a browser add-on that connects the KeepKey hardware wallet to decentralized applications for Chrome and Firefox. It exposes a standard Web3 provider interface so sites can request account access and transaction signing while private keys remain on the connected hardware device. Users approve connection requests and transactions through the extension, with final confirmation required on the hardware wallet screen. It supports multiple blockchains and EVM-compatible networks alongside the companion desktop and mobile applications. (Wallet, Live)

## Links

- [Main](https://keepkey.com)
- [Documentation](https://docs.keepkey.com)
- [Blog](https://keepkey.com/blog)
- [Privacy policy](https://keepkey.com/privacy-policy)
- [Terms of Service](https://keepkey.com/terms-of-use)
- [Twitter / X](https://x.com/cryptoKeepKey)
- [GitHub](https://github.com/KeepKey)

## Legal

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Model 2 - commercial licenses. The Grid Data Service (TGDS) is also available as a commercial license. See [Web Services Terms](https://about.thegrid.id/legal/web-services-terms) for commercial use that is not covered by the open data service.

The following applies to both licensing models.
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- [Data Licensing & Disclaimers](https://about.thegrid.id/legal/data-licensing-and-disclaimers): Licensing models and disclaimers
- [Open Data (ODbL)](https://about.thegrid.id/legal/open-data): Open Database License terms and scope for The Grid's open data service.
- [Attribution Guidelines](https://about.thegrid.id/legal/open-data-attribution-guidelines): How to attribute The Grid's data when using the open data service.
- [Web Services Terms](https://about.thegrid.id/legal/web-services-terms): commercial Terms for using data services.
- [All Legal Documents](https://about.thegrid.id/legal): Full index of terms, policies, and disclosures

## Optional

- [TGS Field Descriptions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-field-descriptions.md): Schema field definitions for The Grid's data model
- [TGS JSON Structure](https://github.com/The-Grid-Data/workspace-public/blob/main/references/tgs-json-structure.md): Data model structure and relationships
- [Product Type Definitions](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-definitions.md): Definitions for each product type
- [Product Type Classification](https://github.com/The-Grid-Data/workspace-public/blob/main/references/product-type-classification.md): Guide for classifying products into types
- [Grid MCP Guide](https://github.com/The-Grid-Data/workspace-public/blob/main/grid-search/skills/grid-query/references/grid-mcp-guide.md): How to query The Grid programmatically via MCP