# Zerion > Your crypto wallet for Solana, Ethereum, Defi Zerion helps users manage crypto portfolios across multiple blockchains through a self-custodial wallet interface. Zerion helps users manage crypto assets by providing wallet and portfolio tracking tools across blockchains. With it, users can track DeFi positions, swap tokens, manage NFTs, and connect to dApps. Zerion supports Ethereum, Solana, and multiple EVM-compatible networks while maintaining self-custodial security. - Type: Company - Sector: Custody and Wallets - Status: Active - Profile: https://thegrid.id/profiles/Zerion ## Products - [Zerion Wallet](https://thegrid.id/profiles/Zerion): Zerion Wallet implements self-custodial asset management through cross-chain portfolio tracking, enabling users to store, track, and swap tokens across Ethereum, Solana, and EVM networks. The system integrates DeFi protocol tracking and NFT management while maintaining user control of private keys. (Wallet, Live, Main Product) - [Zerion API](https://thegrid.id/profiles/Zerion): Zerion API provides developers with real-time blockchain data access through REST and WebSocket endpoints, enabling wallet balance queries, transaction history retrieval, and DeFi position tracking across multiple blockchain networks. (Developer Tooling, Live) - [Zerion DeFi SDK](https://thegrid.id/profiles/Zerion): Zerion DeFi SDK is an open-source smart contract system implementing protocol adapters for standardized integration with DeFi protocols. The SDK provides on-chain balance retrieval, derivative token metadata, and automated protocol registry updates through modular adapter contracts. Developers deploy protocol-specific adapters to the Adapter Registry enabling automatic integration across applications without manual protocol implementation. (Developer Tooling, Live) ## Links - [Main](https://zerion.io) - [Blog](https://zerion.io/blog) - [Documentation](https://docs.zerion.io) - [Privacy policy](https://zerion.io/privacy-policy) - [Terms of Service](https://zerion.io/terms-conditions) - [Media Kit/branding](https://www.notion.so/zerion/Brand-assets-b9bfad1ef7b745a7a2e09640f6374ff1) - [Farcaster](https://warpcast.com/zerion.eth) - [Twitter / X](https://x.com/zerion) - [LinkedIn](https://www.linkedin.com/company/zeriontech) ## 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