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Tangem - Non-Custodial Crypto Wallet & Hardware Wallet Tangem is a self-custody, non-custodial crypto wallet that combines a hardware wallet with a mobile crypto wallet app. Designed for secure cold storage, Tangem keeps your private keys on dedicated hardware — not on company servers. Private keys are generated and stored on your Tangem Card or Tangem Ring. Tangem does not store, access, or control your funds or private keys. You approve every transaction using your NFC-enabled smartphone. Hardware Cold Wallet with Secure Chip Tangem functions as a hardware wallet and cold wallet, isolating private keys on a secure element chip certified to Common Criteria EAL6+. Security features include: Secure element chip (EAL6+) Private keys generated and stored on the card NFC-based secure communication No server-side custody Users can connect up to three Tangem cards to one wallet setup for backup and recovery. Bitcoin Wallet, Ethereum Wallet & Multi-Chain Crypto Wallet Tangem supports multiple blockchain networks and thousands of digital assets. Use Tangem as a: Bitcoin wallet (BTC wallet) Ethereum wallet (ETH wallet) Multi-chain crypto wallet Web3 wallet for decentralized applications Send and receive cryptocurrencies, view balances and transaction history, and manage supported assets in one crypto wallet app. Web3 Wallet & dApp Access Tangem acts as a Web3 wallet, allowing connections to decentralized applications (dApps) via secure wallet connectivity standards. You can: Connect to decentralized exchanges Access token swaps Interact with NFT platforms Use blockchain-based services All blockchain transactions are initiated and approved by the user. Some features connect to independent third-party providers. Tangem provides the wallet interface only and does not offer exchange, brokerage, investment, custody, or payment services. Availability of third-party services depends on provider terms and user location. Important Tangem is a non-custodial crypto wallet provider. Tangem does not hold user funds or private keys. Users are responsible for managing access to their hardware wallet devices. Learn more at [tangem.com](http://tangem.com/).