# Zerion > Simply powerful crypto wallet Zerion offers a self-custodial crypto wallet and a data API for tracking and managing onchain assets across multiple blockchains. Zerion is a self-custodial crypto wallet for holding, tracking, and moving assets across multiple blockchains. Users can follow portfolios and DeFi positions, swap and bridge tokens, trade perpetuals and tokenized assets, and connect to dApps. Zerion also provides an API that gives wallets, fintechs, and apps access to wallet balances, positions, and transaction history. - Type: Company - Sector: Custody and Wallets - Status: Active - Founded: 2017-01-01 - Profile: https://thegrid.id/profiles/Zerion ## Products - [Zerion Wallet](https://thegrid.id/profiles/Zerion): Zerion Wallet is a self-custodial wallet for tracking, trading, and managing assets across multiple blockchains. Users can view portfolios and DeFi positions, swap and bridge tokens through smart routing, trade perpetuals and tokenized assets, copy other traders, and manage NFTs. It runs as a mobile app, a browser extension, and a web app, with hardware wallet support. (Wallet, Live, Main Product) - [Zerion API](https://thegrid.id/profiles/Zerion): Zerion API is an onchain data API for wallets, fintechs, and apps. Developers query token and NFT balances, DeFi positions, profit and loss, and transaction history across multiple blockchains with a single request. (Developer Tooling, Live) - [Zerion DeFi SDK](https://thegrid.id/profiles/Zerion): Zerion DeFi SDK is an open-source set of smart contracts for trading tokens through a single router and reading user assets and debt across DeFi protocols. It also resolves the underlying components of derivative tokens and gives applications a unified way to interact with multiple protocols. (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) - [YouTube](https://www.youtube.com/@ZerionWallet) - [GitHub](https://github.com/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. 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