# Keystone > Secure Cold Wallet for Effortless Transactions Keystone is a provider of air-gapped hardware wallets for secure cryptocurrency storage and management. Keystone (originally Cobo Vault) offers advanced hardware wallets with multi-coin support, featuring air-gapped technology and QR code-based transactions for enhanced security. Their products, including the Keystone 3 Pro, utilize multiple secure elements for seed generation and storage, providing a high level of protection for users' digital assets. - Type: Company - Sector: Custody and Wallets - Status: Active - Founded: 2018-01-01 - Profile: https://thegrid.id/profiles/Keystone ## Products - [Keystone 3 Pro](https://thegrid.id/profiles/Keystone): Keystone hardware wallet offers unbeatable security with 3 PCI security chips to manage Bitcoin and other crypto assets offline. (Hardware Wallet, Live, Main Product) - [Keystone Tablet](https://thegrid.id/profiles/Keystone): A physical seed phrase backup device crafted from 304 stainless steel, providing fireproof, waterproof, and corrosion-resistant storage for cryptocurrency recovery phrases through an industrial etching process on metal letter tiles. (Custody Technology Provider, Live) ## Links - [Main](https://keyst.one) - [Blog](https://blog.keyst.one) - [Documentation](https://guide.keyst.one/docs/category/keystone-3-pro) - [Media Kit/branding](https://drive.google.com/drive/folders/1MqffY73AbWE3ItSE6s_YP8SD7k1Gbz8r) - [Privacy policy](https://keyst.one/privacy-policy) - [Terms of Service](https://keyst.one/keystone-terms-of-use) - [Farcaster](https://warpcast.com/keystonewallet) - [Reddit](https://www.reddit.com/r/KeystoneWallet) - [Telegram](https://t.me/KeystoneWallet) - [Twitter / X](https://x.com/KeystoneWallet) - [YouTube](https://www.youtube.com/channel/UCaReIdawwYPPcyWGoNunF7g) ## Legal This data is provided under two licensing models. Model 1 - open data. The open data core is licensed under the Open Database License (ODbL) — a copyleft/share-alike license allowing free use, modification, and sharing for any purpose. Attribution is required: include "Powered by The Grid" linking to https://thegrid.id wherever the data is used. Derivative databases must be shared under ODbL terms. Trademarks, logos, and brand names (marked "Special TPIP") are not covered by the ODbL. For ML/AI use: training datasets that substantially extract ODbL data are Derivative Databases and must be shared under ODbL if publicly used; models must be attributed in documentation. 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. - All data is provided AS IS with no guarantees of accuracy. - The Grid does not provide investment, legal, or tax advice, and - a project's presence in The Grid's data does not imply endorsement. - [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